CORPUS D

Lia R.
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  1. digitalize
    put into digital form, as for use in a computer
    The quality of each digitalized depth shall be checked by means of the processes available in the equipment. 4.5.2.2
  2. echo sounder
    a method of finding objects under water using sound waves
    4.3 Testing of Equipment and Systems The equipment items to be tested before and during each service are: 3.5 kHz subbottom profiler, side scan sonar, echo sounder, magnetometer, multichannel seismic seismograph, resistivimeter, gravity corer, acoustic positioning, wave compensator, DGPS and communications.
  3. corer
    a device for removing the core from apples
    3.7 Gravity Corer (Kullenberg) An equipment which, through the action of gravity, is used for collecting surface samples from the seafloor.
  4. bathymetric
    of or relating to measurements of the depths of oceans or lakes
    3.1 Geophysical Investigations Any process intended for gathering precision sonographic and seismic bathymetric data, checking the occurrence and behavior of sedimentary layers on the surface and subsurface of the seafloor, the morphology of the area, as well as for searching for submerged obstacles, or submerged natural and anthropic obstacles, posing risks to the operations conducted in the area under study.
  5. bathymetry
    measuring the depths of the oceans
    3.2 Precision Bathymetry A geophysical method used to determine the water depth and morphology of the seafloor in the area under study.
  6. datum
    an item of factual information from measurement or research
    3.1 Geophysical Investigations Any process intended for gathering precision sonographic and seismic bathymetric data, checking the occurrence and behavior of sedimentary layers on the surface and subsurface of the seafloor, the morphology of the area, as well as for searching for submerged obstacles, or submerged natural and anthropic obstacles, posing risks to the operations conducted in the area under study.
  7. representative sample
    the population is divided into strata and a random sample is taken from each stratum
    3.15 Non Representative Samples Samples in which, during the extraction process, materials from different layers have mixed together or in which some mineral constituents have been removed or replaced by the action of the drilling fluid.
  8. exabyte
    a unit of information equal to 1000 petabytes or 10^18 bytes
    6.25 m; e) shotpoint interval = 6.25 m or 12.5 m; f) minimum number of depth indicators = 3; g) sampling ratio = 0.25 ms; h) length of record = 1 second to 2 seconds; i) fixed gain: 36 dB; j) plotting of seismograms: 100 %; k) system for recording seismic data on 8 mm EXABYTE tapes; l) saving format = multiplexed SEGD, 8048 format; on channel 1 the time break shall be recorded and on channel 2 the signature of the source shall be recorded; m) cables: deck cable, lead-in, 3 live sections (48
  9. densification
    an increase in the density of something
    b) specific weight of solid particles (see standard ABNT NBR 6508); c) moisture content (see standards ABNT NBR 7180 and ASTM D 2216); d) liquidity and plasticity limit (see standards ABNT NBR 6459, ABNT NBR 7180 and ASTM D 4318); e) grain size distribution with sedimentation (see standard ABNT NBR 7181); f) indices of minimum, maximum and natural voids; g) carbonate content; h) permeability tests (see standard ASTM D 2434); i) densification tests (see standard ASTM D 2435); j) triaxial tests
  10. kHz
    one thousand periods per second
    4.2 Geophysical Methods The geophysical methods used offshore to assist in the installations of jack-up platforms, semi-submersible platforms, drilling platforms and submarine pipelines are as follows: a) electrical tomography at water depths not exceeding 40 m; b) sonar; c) bathymetry; d) 3.5 kHz monochannel seismic; e) multichannel seismic; f) magnetometry; g) bottom samples; h) “Kullenberg” type samples; i) total station positioning; and j) DGPS positioning.
  11. magnetic medium
    any storage medium in which different patterns of magnetization are used to represent stored bits or bytes of information
    All data shall be recorded on magnetic medium and on paper. 4.6.5
  12. nonmandatory
    not required by rule or law
    It is characterized by the verbal form “should” and equivalent expressions such as “it is recommended that...” and “ought to...” (verbs of a nonmandatory nature).
  13. drilling platform
    drilling rig consisting of an offshore platform (floating or fixed to the sea bed) from which many oil wells can be bored radially
    1.2 This Standard is applicable to offshore services, on jack-up and semi-submersible drilling platforms, drillships, geotechnical vessels, production platforms and to the installation of flow systems.
  14. parameter
    a constant in the equation of a curve that can be varied
    B ENGLISH MAR / 2004 9 4.6 Minimum Specifications for Sonographic Surveys Acquisition parameters may vary depending on the objective and depth.
  15. transducer
    an electrical device that converts one form of energy into another
    The equipment items that also monitor the neutral pressures (or pore pressures) generated during the pushing process through pressure transducers are called piezocones (PCPT).
  16. geophysical
    of or concerned with geophysics
    B ENGLISH 03 / 2004 PROPRIEDADE DA PETROBRAS Offshore Geophysical and Geotechnical Investigations CONTEC Comissão de Normalização Técnica SC-04 Civil Construction Revalidation Revalidated in 05/2010.
  17. sparker
    a wire net to stop sparks from an open fireplace or smokestack
    Sparker or Slave Gum (power determined by PETROBRAS); c) number of channels: up to 48 channels, considering 5 hydrophones per channel; d) interval between station (IE) = 6.25 m; e) shotpoint interval = 6.25 m or 12.5 m; f) minimum number of depth indicators = 3; g) sampling ratio = 0.25 ms; h) length of record = 1 second to 2 seconds; i) fixed gain: 36 dB; j) plotting of seismograms: 100 %; k) system for recording seismic data on 8 mm EXABYTE tapes; l) saving format = multiplexed SEGD, 8048
  18. sampler
    someone who samples food or drink for its quality
    3.4 Seafloor Sampler A type of dragging sampler used to remove surface samples from the seafloor.
  19. anthropic
    relating to mankind or the period of mankind's existence
    3.1 Geophysical Investigations Any process intended for gathering precision sonographic and seismic bathymetric data, checking the occurrence and behavior of sedimentary layers on the surface and subsurface of the seafloor, the morphology of the area, as well as for searching for submerged obstacles, or submerged natural and anthropic obstacles, posing risks to the operations conducted in the area under study.
  20. undrained
    not drained
    Determination of Water (Moisture) Content of Soil and Rock by Mass; ASTM D 2434 - Standard Test Method for Permeability of Granular Soils (Constant Head); ASTM D 2435 - Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading; ASTM D 2850 - Standard Test Methods for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils; ASTM D 3080 - Standard Test Methods for Direct Shear Test of Soils Under Consolidated Drained Conditions; ASTM D
  21. sampling
    (statistics) the selection of a suitable sample for study
    ABNT NBR 6508 - Grãos de Solos que Passam na Peneira de 4,8 mm - Determinação da Massa Específica; ABNT NBR 7180 - Solo - Determinação do Limite de Plasticidade; ABNT NBR 7181 - Solo - Análise Granulométrica; ABNT NBR 9820 - Coleta de Amostras Indeformadas de Solos de Baixa Consistência em Furos de Sondagem; ASTM D 854 - Standard Test Methods for Specific Gravity of Soil Solids by Water Pycnometer; ASTM D 1586 - Standard Test Method for Standard Penetration Test (SPT) and Split-Barrel Sampling
  22. depth gauge
    a gauge for measuring the depth of grooves or holes or other concavities
    The sensor shall have a depth gauge and the data from the sensor shall be digitally recorded. 4.7.1.2
  23. sample
    a small part intended as representative of the whole
    ABNT NBR 6508 - Grãos de Solos que Passam na Peneira de 4,8 mm - Determinação da Massa Específica; ABNT NBR 7180 - Solo - Determinação do Limite de Plasticidade; ABNT NBR 7181 - Solo - Análise Granulométrica; ABNT NBR 9820 - Coleta de Amostras Indeformadas de Solos de Baixa Consistência em Furos de Sondagem; ASTM D 854 - Standard Test Methods for Specific Gravity of Soil Solids by Water Pycnometer; ASTM D 1586 - Standard Test Method for Standard Penetration Test (SPT) and Split-Barrel Sampling
  24. unconsolidated
    loose and unstratified
    Determination of Water (Moisture) Content of Soil and Rock by Mass; ASTM D 2434 - Standard Test Method for Permeability of Granular Soils (Constant Head); ASTM D 2435 - Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading; ASTM D 2850 - Standard Test Methods for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils; ASTM D 3080 - Standard Test Methods for Direct Shear Test of Soils Under Consolidated Drained Conditions; ASTM D
  25. sensor
    a device that responds to a signal or stimulus
    A motion sensor connected to the subbottom profiler (SBP) and echo sounder shall be used and the data shall be saved with automatic correction. 4.4.3
  26. permeability
    the property of something that can be pervaded by a liquid
    Determination of Water (Moisture) Content of Soil and Rock by Mass; ASTM D 2434 - Standard Test Method for Permeability of Granular Soils (Constant Head); ASTM D 2435 - Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading; ASTM D 2850 - Standard Test Methods for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils; ASTM D 3080 - Standard Test Methods for Direct Shear Test of Soils Under Consolidated Drained Conditions; ASTM D
  27. simultaneous operation
    the simultaneous execution of two or more operations
    for the following equipment: - single beam echo sounder; - sonar; - EPC; - SBP; - remote navigation from bridge (with universal top); e) the navigation system shall consider software for geophysical surveys allowing real time, simultaneous operation with the submarine roster of PETROBRAS, in DXF, DGN and DWG format (SGO - “Sistema de Gerenciamento de Obstáculos” or Obstacle Management System); f) the equipment items comprising the navigation system shall be tested according to the routines
  28. seismic
    subject to or caused by an earthquake or earth vibration
    3.1 Geophysical Investigations Any process intended for gathering precision sonographic and seismic bathymetric data, checking the occurrence and behavior of sedimentary layers on the surface and subsurface of the seafloor, the morphology of the area, as well as for searching for submerged obstacles, or submerged natural and anthropic obstacles, posing risks to the operations conducted in the area under study.
  29. submersible
    capable of being immersed in water
    1.2 This Standard is applicable to offshore services, on jack-up and semi-submersible drilling platforms, drillships, geotechnical vessels, production platforms and to the installation of flow systems.
  30. Beaufort scale
    a scale from 0 to 12 for the force of the wind
    Operations in sea conditions exceeding force 3 (according to the Beaufort scale) shall be carried out after consulting PETROBRAS inspection as to the quality of the records and continuity of the work. 4.6.9
  31. time signal
    a signal indicating the precisely correct time
    These records are used to exhibit signals from all source groups, the firing instant and time signals for the nominal duration of the record. 4.9.8
  32. tomography
    (medicine) obtaining pictures of the interior of the body
    4.2 Geophysical Methods The geophysical methods used offshore to assist in the installations of jack-up platforms, semi-submersible platforms, drilling platforms and submarine pipelines are as follows: a) electrical tomography at water depths not exceeding 40 m; b) sonar; c) bathymetry; d) 3.5 kHz monochannel seismic; e) multichannel seismic; f) magnetometry; g) bottom samples; h) “Kullenberg” type samples; i) total station positioning; and j) DGPS positioning.
  33. satellite receiver
    a receiver on a communications satellite
    satellite receiver for the GPS system; the data shall be integrated by computer, with the positioning corrections received through link via radio and/or communication satellite; the navigation computer shall also operate all recording systems and determine the tops of all systems, both automatically and simultaneously; c) any line or any redone line section shall have, at the beginning and end, a constellation of satellites with proper geometry and configuration effect in the horizontal
  34. in situ
    in the original or natural place or site
    3.6 Geotechnical Investigation Any process use for gathering data for the design of foundations for a particular job, consisting of sampling, “in situ” testing and laboratory testing.
  35. sonar
    a method of finding objects under water using sound waves
    3.3 Side Scan Sonar Method used for mapping the geology and obstacles found on the seafloor.
  36. positioning
    the act of putting something in a certain place
    Modern drillships are equipped with dynamic positioning controls, which enable them to be kept at the same position under different sea conditions.
  37. signal-to-noise ratio
    the ratio of signal intensity to noise intensity
    The signal-to-noise ratio shall be at least approximately 15:1. 4.7.2
  38. PVC
    a polymer of vinyl chloride used instead of rubber in electric cables
    3.25 Liner Rigid PVC lining containing the soil sample.
  39. seismograph
    an instrument for measuring movements of the ground
    4.3 Testing of Equipment and Systems The equipment items to be tested before and during each service are: 3.5 kHz subbottom profiler, side scan sonar, echo sounder, magnetometer, multichannel seismic seismograph, resistivimeter, gravity corer, acoustic positioning, wave compensator, DGPS and communications.
  40. specification
    the act of naming explicitly
    B ENGLISH MAR / 2004 7 4.4 Minimum Specifications for Seismic Surveys Using a Subbottom Profiler (3.5 kHz) 4.4.1
  41. spare part
    an extra component of a machine or other apparatus
    B ENGLISH MAR / 2004 17 d) only samples with a reduced level of remolding and which are continuous, without intermediate voids or indication of occurrence of flow-in may be tested; e) keep onboard the necessary quantity of spare parts to ensure continuity of the work, considering: the quantity of the programmed locations, the types of soil expected to be found and the possibility of occurrence of damages to equipment; f) for geotechnical sampling only PVC linings shall be used.
  42. signal-to-noise
    the ratio of signal intensity to noise intensity
    The signal-to-noise ratio shall be at least approximately 15:1. 4.7.2
  43. geodesic
    relating to or determined by the study of the earth's shape
    Unless otherwise specified, PETROBRAS shall maintain the position/coordinates of the seismic source and receiver at the official and legal geodesic datum, in the horizontal and vertical planes, of the country in which the work is being done. 4.9.11.2
  44. calibration
    the act of checking or adjusting (by comparison with a standard) the accuracy of a measuring instrument
    Correction of Bathymetric Soundings: a) correct the depth of the draft value at the transducer’s position, determined by means of the vessel’s plans; b) check on a daily basis the calibration of the echo sounder, making the necessary adjustments during the entire period of the survey; bathymetry may be corrected from the effect of speed variation by means of suspended plate calibration; [Recommended Practice] c) correct the effect of tides on shallow water surveys.
  45. magnetometer
    a meter to compare strengths of magnetic fields
    4.3 Testing of Equipment and Systems The equipment items to be tested before and during each service are: 3.5 kHz subbottom profiler, side scan sonar, echo sounder, magnetometer, multichannel seismic seismograph, resistivimeter, gravity corer, acoustic positioning, wave compensator, DGPS and communications.
  46. work day
    a day on which work is done
    Note: The set of daily tests shall be performed for each work day. 4.4.5
  47. plasticity
    the property of being physically malleable
    ASTM D 2435 - Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading; ASTM D 2850 - Standard Test Methods for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils; ASTM D 3080 - Standard Test Methods for Direct Shear Test of Soils Under Consolidated Drained Conditions; ASTM D 3441 - Standard Test Method for Mechanical Cone Penetration Tests of Soil; ASTM D 4318 - Standard Test Methods for Liquid Limit, Plastic Limit, and Plasticity
  48. cohesive
    combining well to form a unified whole
    Cohesive Soil; ASTM D 2216 - Standard Test Method for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass; ASTM D 2434 - Standard Test Method for Permeability of Granular Soils (Constant Head); ASTM D 2435 - Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading; ASTM D 2850 - Standard Test Methods for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils; ASTM D 3080 - Standard Test Methods for Direct Shear
  49. semi
    a truck consisting of a tractor and trailer together
    1.2 This Standard is applicable to offshore services, on jack-up and semi-submersible drilling platforms, drillships, geotechnical vessels, production platforms and to the installation of flow systems.
  50. redo
    make new
    Whenever, for any particular reason, it is necessary to interrupt records and redo a part of the line, recovering shall be done on at least 200 m in relation to the preceding line, even for lines in opposite directions.
  51. drilling fluid
    a mixture of clays and chemicals and water
    3.15 Non Representative Samples Samples in which, during the extraction process, materials from different layers have mixed together or in which some mineral constituents have been removed or replaced by the action of the drilling fluid.
  52. shear
    cut or cut through with scissors
    Determination of Water (Moisture) Content of Soil and Rock by Mass; ASTM D 2434 - Standard Test Method for Permeability of Granular Soils (Constant Head); ASTM D 2435 - Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading; ASTM D 2850 - Standard Test Methods for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils; ASTM D 3080 - Standard Test Methods for Direct Shear Test of Soils Under Consolidated Drained Conditions; ASTM D
  53. mar
    cause to become imperfect
    B ENGLISH MAR / 2004 PROPERTY OF PETROBRAS 27 pages and Index of Revisions OFFSHORE GEOPHYSICAL AND GEOTECHNICAL INVESTIGATIONS Procedure This Standard replaces and cancels its previous revision.
  54. unconfined
    not restricted
    Unconfined Compressive Strength of Cohesive Soil; ASTM D 2216 - Standard Test Method for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass; ASTM D 2434 - Standard Test Method for Permeability of Granular Soils (Constant Head); ASTM D 2435 - Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading; ASTM D 2850 - Standard Test Methods for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils; ASTM D 3080 -
  55. tactile
    of or relating to or proceeding from the sense of touch
    The following information shall be determined at the laboratory facilities onboard: a) tactile-visual classification of samples (see standards ABNT NBR 6484 and NBR 6490); b) moisture content (see standards ABNT NBR 7180 and ASTM D 2216); c) specific weight (see standard ASTM D 854); d) undrained shear strength (Su) of cohesive samples by means of a pocket penetrometer, torvane, vane, swedish cone and simple compression (see standard ASTM D 2166); e) carbonatic reaction.
  56. alphanumeric
    of or pertaining to alphanumeric characters
    Proposed revisions to this Standard shall be submitted to the CONTEC - Authoring Subcommittee, indicating the alphanumeric identification and revision of the Standard, the clause(s) to be revised, the proposed text, and technical/economic justification for revision.
  57. intersperse
    introduce into one's writing or speech (certain expressions)
    for Continuing the Work The work shall not continue when any of the following conditions occurs: a) loss of 5 m of coverage of successive data, or a total of 300 m interspersed in 4 000 m of surveyed data; b) loss of more than 2 % of records on any line; c) loss of digital record; d) loss of primary navigation; e) malfunction of motion sensor; f) sea conditions exceeding Beaufort force 3 without consulting PETROBRAS inspection as to the quality of the records and continuity of the
  58. cantilever
    a projecting horizontal beam fixed at one end only
    3.19 Cantilever Part of a structure laterally designed to extend beyond its support base.
  59. subsurface
    beneath the surface
    3.1 Geophysical Investigations Any process intended for gathering precision sonographic and seismic bathymetric data, checking the occurrence and behavior of sedimentary layers on the surface and subsurface of the seafloor, the morphology of the area, as well as for searching for submerged obstacles, or submerged natural and anthropic obstacles, posing risks to the operations conducted in the area under study.
  60. coordinate
    of equal importance, rank, or degree
    The positions of the coordinates of the side scan sonar sensor (“fish”) shall be recorded by the navigation system. 4.6.4
  61. jack up
    lift with a special device
    B ENGLISH MAR / 2004 6 3.23 Jack-Up Platform Type of platform supported on the seafloor by 3 or more legs, fitted with a mechanism for jacking up the deck for its adaptation at different water depth heights; these platforms are generally used in waters not more than 100 m deep.
  62. standard
    a basis for comparison
    B, incorporated the 1st amendment and it is used to alter the text of the Standard in the parts indicated below: NOTE 1 The news pages with the performed amendments are placed in its corresponding positions.
  63. penetration
    the act of entering into or through something
    NBR 6497 - Levantamento Geotécnico; ABNT NBR 6508 - Grãos de Solos que Passam na Peneira de 4,8 mm - Determinação da Massa Específica; ABNT NBR 7180 - Solo - Determinação do Limite de Plasticidade; ABNT NBR 7181 - Solo - Análise Granulométrica; ABNT NBR 9820 - Coleta de Amostras Indeformadas de Solos de Baixa Consistência em Furos de Sondagem; ASTM D 854 - Standard Test Methods for Specific Gravity of Soil Solids by Water Pycnometer; ASTM D 1586 - Standard Test Method for Standard Penetration
  64. submerge
    put under water
    3.1 Geophysical Investigations Any process intended for gathering precision sonographic and seismic bathymetric data, checking the occurrence and behavior of sedimentary layers on the surface and subsurface of the seafloor, the morphology of the area, as well as for searching for submerged obstacles, or submerged natural and anthropic obstacles, posing risks to the operations conducted in the area under study.
  65. format
    the general appearance of a publication
    A Subbottom Profiler System (SBP) with frequencies of 2 kHz to 7 kHz and with an interface for saving digital data in SEGY format shall be used. 4.4.2
  66. analog
    something having a similarity to something else
    Analog Records 4.4.3.1
  67. calibrate
    make fine adjustments for optimal measuring
    The equipment shall be lowered by means of a catch-line within the drill string and there are 3 types involved: a) dynamic sampling equipment: obtain samples through a metallic thin wall Shelby tube sampler or through an SPT sampler; this driving is obtained by hammer blows with a calibrated weight (75 kg) and a standard fall height (1.5 m); -PUBLICON- 2000 REV.
  68. one-dimensional
    of or in or along or relating to a line
    Determination of Water (Moisture) Content of Soil and Rock by Mass; ASTM D 2434 - Standard Test Method for Permeability of Granular Soils (Constant Head); ASTM D 2435 - Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading; ASTM D 2850 - Standard Test Methods for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils; ASTM D 3080 - Standard Test Methods for Direct Shear Test of Soils Under Consolidated Drained Conditions; ASTM D
  69. sedimentation
    the accumulation of matter deposited by some natural process
    b) specific weight of solid particles (see standard ABNT NBR 6508); c) moisture content (see standards ABNT NBR 7180 and ASTM D 2216); d) liquidity and plasticity limit (see standards ABNT NBR 6459, ABNT NBR 7180 and ASTM D 4318); e) grain size distribution with sedimentation (see standard ABNT NBR 7181); f) indices of minimum, maximum and natural voids; g) carbonate content; h) permeability tests (see standard ASTM D 2434); i) densification tests (see standard ASTM D 2435); j) triaxial tests
  70. dimensional
    relating to coordinates that determine a position in space
    Determination of Water (Moisture) Content of Soil and Rock by Mass; ASTM D 2434 - Standard Test Method for Permeability of Granular Soils (Constant Head); ASTM D 2435 - Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading; ASTM D 2850 - Standard Test Methods for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils; ASTM D 3080 - Standard Test Methods for Direct Shear Test of Soils Under Consolidated Drained Conditions; ASTM D
  71. jack
    tool for exerting pressure or lifting
    1.2 This Standard is applicable to offshore services, on jack-up and semi-submersible drilling platforms, drillships, geotechnical vessels, production platforms and to the installation of flow systems.
  72. morphology
    the study of the structure of animals and plants
    3.1 Geophysical Investigations Any process intended for gathering precision sonographic and seismic bathymetric data, checking the occurrence and behavior of sedimentary layers on the surface and subsurface of the seafloor, the morphology of the area, as well as for searching for submerged obstacles, or submerged natural and anthropic obstacles, posing risks to the operations conducted in the area under study.
  73. axial
    situated on or along or in the direction of an axis
    Rock Cores The following tests shall be performed: a) carbonate content; b) axial compression.
  74. drilling
    the act of drilling
    1.2 This Standard is applicable to offshore services, on jack-up and semi-submersible drilling platforms, drillships, geotechnical vessels, production platforms and to the installation of flow systems.
  75. magnetic intensity
    the amount of magnetic flux in a unit area perpendicular to the direction of magnetic flow
    The following information shall be recorded by the navigation computer: a) total magnetic intensity; b) depth; c) coordinates and time. 4.7.2.1
  76. remold
    cast again
    B ENGLISH MAR / 2004 17 d) only samples with a reduced level of remolding and which are continuous, without intermediate voids or indication of occurrence of flow-in may be tested; e) keep onboard the necessary quantity of spare parts to ensure continuity of the work, considering: the quantity of the programmed locations, the types of soil expected to be found and the possibility of occurrence of damages to equipment; f) for geotechnical sampling only PVC linings shall be used.
  77. onshore
    (of winds) coming from the sea toward the land
    5.5 Laboratory Tests The physico-chemical soil parameter results shall be obtained in the onboard and/or onshore laboratories. 5.5.1
  78. resistivity
    a material's opposition to the flow of electric current
    The electrical method is used to determine the physical properties (resistivity) of the layers beneath the seafloor and shall also be used in the splash zone. 4.8.2
  79. sounder
    a device for making soundings
    4.3 Testing of Equipment and Systems The equipment items to be tested before and during each service are: 3.5 kHz subbottom profiler, side scan sonar, echo sounder, magnetometer, multichannel seismic seismograph, resistivimeter, gravity corer, acoustic positioning, wave compensator, DGPS and communications.
  80. antenna
    one of a pair of mobile appendages on the head of insects
    It is essential to record in detail transducer offsets in relation to the vessel’s antenna. 4.4.4
  81. test
    standardized procedure for measuring sensitivity or aptitude
    NBR 6490 - Reconhecimento e Amostragem para Fins de Caracterização de Ocorrência de Rochas; ABNT NBR 6497 - Levantamento Geotécnico; ABNT NBR 6508 - Grãos de Solos que Passam na Peneira de 4,8 mm - Determinação da Massa Específica; ABNT NBR 7180 - Solo - Determinação do Limite de Plasticidade; ABNT NBR 7181 - Solo - Análise Granulométrica; ABNT NBR 9820 - Coleta de Amostras Indeformadas de Solos de Baixa Consistência em Furos de Sondagem; ASTM D 854 - Standard Test Methods for Specific Gravity
  82. segmented
    having the body divided into successive metameres or segments, as in earthworms or lobsters
    a wet chamber for storage of samples; d) do not transport samples by aircraft; e) refrain from vibrating samples; f) do not allow samples to be dropped; g) cover the vehicle used for transportation so as to dampen its jolts; h) during the period between sampling and unloading from the ship, the samples shall be kept in an environment not exposed to direct sunlight, within special boxes, kept in PVC lining, segmented in lengths of 1 m (with indication of depth below the sea bed on top and on the
  83. physical property
    any property used to characterize matter and energy and their interactions
    The electrical method is used to determine the physical properties (resistivity) of the layers beneath the seafloor and shall also be used in the splash zone. 4.8.2
  84. annotate
    add explanatory notes to or supply with critical comments
    Each record shall contain a reference signal whose RMS is recorded on the monitor and annotated by the observer.
  85. compression
    the act of applying force
    Determination of Water (Moisture) Content of Soil and Rock by Mass; ASTM D 2434 - Standard Test Method for Permeability of Granular Soils (Constant Head); ASTM D 2435 - Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading; ASTM D 2850 - Standard Test Methods for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils; ASTM D 3080 - Standard Test Methods for Direct Shear Test of Soils Under Consolidated Drained Conditions; ASTM D
  86. sedimentary
    formed by or containing the accumulation of deposited matter
    3.1 Geophysical Investigations Any process intended for gathering precision sonographic and seismic bathymetric data, checking the occurrence and behavior of sedimentary layers on the surface and subsurface of the seafloor, the morphology of the area, as well as for searching for submerged obstacles, or submerged natural and anthropic obstacles, posing risks to the operations conducted in the area under study.
  87. acoustic
    relating to the study of the physical properties of sound
    4.3 Testing of Equipment and Systems The equipment items to be tested before and during each service are: 3.5 kHz subbottom profiler, side scan sonar, echo sounder, magnetometer, multichannel seismic seismograph, resistivimeter, gravity corer, acoustic positioning, wave compensator, DGPS and communications.
  88. mapping
    (mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function)
    3.3 Side Scan Sonar Method used for mapping the geology and obstacles found on the seafloor.
  89. solo
    any activity that is performed alone without assistance
    Solo - Determinação do Limite de Liquidez; ABNT NBR 6484 - Solo - Soldagens de Simples Reconhecimento com SPT - Método de Ensaio; ABNT NBR 6490 - Reconhecimento e Amostragem para Fins de Caracterização de Ocorrência de Rochas; ABNT NBR 6497 - Levantamento Geotécnico; ABNT NBR 6508 - Grãos de Solos que Passam na Peneira de 4,8 mm - Determinação da Massa Específica; ABNT NBR 7180 - Solo - Determinação do Limite de Plasticidade; ABNT NBR 7181 - Solo - Análise Granulométrica; ABNT NBR 9820 - Coleta
  90. Julian calendar
    the solar calendar introduced in Rome in 46 b.c. by Julius Caesar and slightly modified by Augustus, establishing the 12-month year of 365 days with each 4th year having 366 days and the months having 31 or 30 days except for February
    roster of PETROBRAS, in DXF, DGN and DWG format (SGO - “Sistema de Gerenciamento de Obstáculos” or Obstacle Management System); f) the equipment items comprising the navigation system shall be tested according to the routines of their manufacturers, with the vessel at port and in motion; special attention shall be paid to the DPGS system calibration test at port and calibration of sensors in motion; g) the entire navigation shall be referenced to the Greenwich mean time (GMT) and Julian calendar
  91. laboratory
    a workplace for the conduct of scientific research
    Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass; ASTM D 2434 - Standard Test Method for Permeability of Granular Soils (Constant Head); ASTM D 2435 - Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading; ASTM D 2850 - Standard Test Methods for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils; ASTM D 3080 - Standard Test Methods for Direct Shear Test of Soils Under Consolidated Drained Conditions;
  92. towline
    (nautical) a rope used in towing
    Before beginning to collect sonographic data, the vessel shall position itself on the extension of the desired line at a sufficient distance so that when data gathering begins the sensor is positioned at the extension of that line and the towline is fully stretched out.
  93. lead-in
    the introductory section of a story
    6.25 m; e) shotpoint interval = 6.25 m or 12.5 m; f) minimum number of depth indicators = 3; g) sampling ratio = 0.25 ms; h) length of record = 1 second to 2 seconds; i) fixed gain: 36 dB; j) plotting of seismograms: 100 %; k) system for recording seismic data on 8 mm EXABYTE tapes; l) saving format = multiplexed SEGD, 8048 format; on channel 1 the time break shall be recorded and on channel 2 the signature of the source shall be recorded; m) cables: deck cable, lead-in, 3 live sections (48
  94. subsoil
    the layer of soil between the topsoil and bedrock
    The number, type, location and depth of the investigations depend on the nature and dimensions of the job and on the level of complexity and conditions of the subsoil. 5.1.3
  95. gyroscopic
    having the characteristics of a gyroscope
    A gyroscopic needle connected to the sonographic system shall be used. 4.6.11
  96. clayey
    resembling or containing clay
    Do not use core catcher in clayey soils. 4.10.4
  97. platform
    a raised horizontal surface
    1.2 This Standard is applicable to offshore services, on jack-up and semi-submersible drilling platforms, drillships, geotechnical vessels, production platforms and to the installation of flow systems.
  98. static
    not in physical motion
    3.8 Piston Core Sampler An equipment which, through static driving, is used for collecting surface samples from the seafloor.
  99. ocean bottom
    the bottom of a sea or ocean
    The height of the “fish” in relation to the ocean bottom shall be within the limits of 10 % to 15 % of the range used in the acquisition. 4.6.7
  100. annotation
    the act of adding notes
    Analog records shall have tops at every 10 m, annotation of vertical scale in time (scan) and shall be delivered with the bathymetric data of each acquired line. 4.4.3.2
  101. data
    a collection of facts from which conclusions may be drawn
    3.1 Geophysical Investigations Any process intended for gathering precision sonographic and seismic bathymetric data, checking the occurrence and behavior of sedimentary layers on the surface and subsurface of the seafloor, the morphology of the area, as well as for searching for submerged obstacles, or submerged natural and anthropic obstacles, posing risks to the operations conducted in the area under study.
  102. item
    a distinct part that can be specified separately in a group
    - Chapter 2: Inclusion of standards ABNT NBR 6484 and ASTM D 4318. (1nd Amendment) Exclusion of standards ABNT NBR 7250, ASTM D 423, ASTM D 424 e ASTM D 2938. (1nd Amendment) Alteration of the titles of ABNT NBR 6484, ASTM D 854, D 1586, D 1587, D 2113, D 2166, D 2216, D 2434, D 2435, D 2850, D 3080 and D 3441. (2nd Amendment) - Item 5.5.1.1: (1nd Amendment) Alteration of the text.
  103. CD-ROM
    a compact disk that is used with a computer
    The data shall be delivered to PETROBRAS in CD-ROM.
  104. Piston
    United States neoclassical composer (1894-1976)
    3.8 Piston Core Sampler An equipment which, through static driving, is used for collecting surface samples from the seafloor.
  105. reference point
    an indicator that orients you generally
    cables (including depth detectors and streamer compasses), in relation to the group of cables, between them and the positions of the satellite antenna; b) table showing typical distances from the reference point to the satellite antennas, the center of each arrangement of sources and the group closest to and farthest from each cable and terminal buoy; c) layout of the arrangement of the seismic source, showing the number of each source (sleeve gun, sparker or boomer); d) location of
  106. free fall
    the ideal motion of something subject only to gravity
    Onboard reports: a) area; b) name of hole; c) UTM design coordinate; d) UTM laying coordinate; e) water depth; f) free fall height; g) corer weight and length; h) soil penetration and recovery; i) results of onboard tests; j) comments; k) all information regarding the project. 4.10.8
  107. calibrated
    marked with or divided into degrees
    The equipment shall be lowered by means of a catch-line within the drill string and there are 3 types involved: a) dynamic sampling equipment: obtain samples through a metallic thin wall Shelby tube sampler or through an SPT sampler; this driving is obtained by hammer blows with a calibrated weight (75 kg) and a standard fall height (1.5 m); -PUBLICON- 2000 REV.
  108. raw data
    unanalyzed data; data not yet subjected to analysis
    Notes: 1) A report shall be provided with the interpretation of each profile, with raw data, TXT files, profile and the electrical tomography sections processed in the GEO and TIF program format.
  109. sea floor
    the bottom of a sea or ocean
    The results of geophysical surveys shall be presented through the following plans to a scale of 1:5 000: a) location of area surveyed; b) positioning in UTM coordinates; c) isobath map; d) side scan, containing the detailed mapping of the sea floor; e) isopach map; f) anomaly map; g) profiles of the surveyed area. 4.12.4
  110. drilling rig
    rig used in drilling for oil or gas
    3.21 Drilling Platform Offshore platform equipped with a drilling rig.
  111. shearing
    removing by cutting off or clipping
    Samples The types of tests are: a) specific weight (see standard ASTM D 854); b) specific weight of solid particles (see standard ABNT NBR 6508); c) moisture content (see standards ABNT NBR 7180 and ASTM D 2216); d) liquidity and plasticity limits (see standards ABNT NBR 6459, ABNT NBR 7180 and ASTM D 4318); e) grain size distribution (see standard ABNT NBR 7181); f) indices of minimum, maximum and natural voids; g) carbonate content; h) direct shearing (see standard ASTM D 3080).
  112. methodology
    the techniques followed in a particular discipline
    The reports shall contain at least the following topics: a) introduction; b) methodology; c) acquisition; d) processing and interpretation.
  113. cone
    a shape with a circular base and sides tapering to a point
    of Soil and Rock by Mass; ASTM D 2434 - Standard Test Method for Permeability of Granular Soils (Constant Head); ASTM D 2435 - Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading; ASTM D 2850 - Standard Test Methods for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils; ASTM D 3080 - Standard Test Methods for Direct Shear Test of Soils Under Consolidated Drained Conditions; ASTM D 3441 - Standard Test Method for Mechanical Cone
  114. soil
    material in the top layer of the surface of the earth
    - Reconhecimento e Amostragem para Fins de Caracterização de Ocorrência de Rochas; ABNT NBR 6497 - Levantamento Geotécnico; ABNT NBR 6508 - Grãos de Solos que Passam na Peneira de 4,8 mm - Determinação da Massa Específica; ABNT NBR 7180 - Solo - Determinação do Limite de Plasticidade; ABNT NBR 7181 - Solo - Análise Granulométrica; ABNT NBR 9820 - Coleta de Amostras Indeformadas de Solos de Baixa Consistência em Furos de Sondagem; ASTM D 854 - Standard Test Methods for Specific Gravity of Soil
  115. rotary
    describing or moving in a circle
    3.12 Rotary Sampler A sampler which, through rotary action, is used for removing resistant material or rock cores.
  116. survey
    determining opinions by interviewing people
    1 SCOPE 1.1 This Standard establishes the criteria to be followed for the performance of services and presentation of results of geophysical surveys and geotechnical investigations.
  117. perform
    get done
    B, incorporated the 1st amendment and it is used to alter the text of the Standard in the parts indicated below: NOTE 1 The news pages with the performed amendments are placed in its corresponding positions.
  118. rev
    rate of revolution of a motor
    N-2000 REV.
  119. scan
    examine minutely or intensely
    3.3 Side Scan Sonar Method used for mapping the geology and obstacles found on the seafloor.
  120. depth
    the extent downward or backward or inward
    3.2 Precision Bathymetry A geophysical method used to determine the water depth and morphology of the seafloor in the area under study.
  121. granular
    composed of or covered with particles resembling meal
    Determination of Water (Moisture) Content of Soil and Rock by Mass; ASTM D 2434 - Standard Test Method for Permeability of Granular Soils (Constant Head); ASTM D 2435 - Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading; ASTM D 2850 - Standard Test Methods for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils; ASTM D 3080 - Standard Test Methods for Direct Shear Test of Soils Under Consolidated Drained Conditions; ASTM D
  122. para
    100 para equal 1 dinar in Yugoslavia
    NBR 6490 - Reconhecimento e Amostragem para Fins de Caracterização de Ocorrência de Rochas; ABNT NBR 6497 - Levantamento Geotécnico; ABNT NBR 6508 - Grãos de Solos que Passam na Peneira de 4,8 mm - Determinação da Massa Específica; ABNT NBR 7180 - Solo - Determinação do Limite de Plasticidade; ABNT NBR 7181 - Solo - Análise Granulométrica; ABNT NBR 9820 - Coleta de Amostras Indeformadas de Solos de Baixa Consistência em Furos de Sondagem; ASTM D 854 - Standard Test Methods for Specific Gravity
  123. foreword
    a short introductory essay preceding the text of a book
    Foreword PETROBRAS Technical Standards are prepared by Working Groups – GTs (consisting of specialists from PETROBRAS and its Subsidiaries), are commented by PETROBRAS Units and PETROBRAS Subsidiaries, are approved by the Authoring Subcommittees - SCs (consisting of specialists from the same specialty, representing the various PETROBRAS Units and PETROBRAS Subsidiaries), and ratified by the CONTEC Plenary Assembly (consisting of representatives of the PETROBRAS Units and PETROBRAS Subsidiaries).
  124. moisture
    wetness caused by water
    Determination of Water (Moisture) Content of Soil and Rock by Mass; ASTM D 2434 - Standard Test Method for Permeability of Granular Soils (Constant Head); ASTM D 2435 - Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading; ASTM D 2850 - Standard Test Methods for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils; ASTM D 3080 - Standard Test Methods for Direct Shear Test of Soils Under Consolidated Drained Conditions; ASTM D
  125. minimum
    the smallest possible quantity
    B ENGLISH MAR / 2004 7 4.4 Minimum Specifications for Seismic Surveys Using a Subbottom Profiler (3.5 kHz) 4.4.1
  126. issuance
    the act of providing an item for general use or for official purposes (usually in quantity)
    1.3 This Standard applies to procedures started after its date of issuance.
  127. requirement
    necessary activity
    CONTEC Comissão de Normas Técnicas Technical Requirement: a provision established as the most adequate and which shall be used strictly in accordance with this Standard.
  128. piston
    mechanical device that has a plunging or thrusting motion
    Use a stationary piston. 4.10.5
  129. exceed
    be or do something to a greater degree
    4.2 Geophysical Methods The geophysical methods used offshore to assist in the installations of jack-up platforms, semi-submersible platforms, drilling platforms and submarine pipelines are as follows: a) electrical tomography at water depths not exceeding 40 m; b) sonar; c) bathymetry; d) 3.5 kHz monochannel seismic; e) multichannel seismic; f) magnetometry; g) bottom samples; h) “Kullenberg” type samples; i) total station positioning; and j) DGPS positioning.
  130. carbonate
    treat with carbon dioxide
    Samples The types of tests are: a) specific weight (see standard ASTM D 854); b) specific weight of solid particles (see standard ABNT NBR 6508); c) moisture content (see standards ABNT NBR 7180 and ASTM D 2216); d) liquidity and plasticity limits (see standards ABNT NBR 6459, ABNT NBR 7180 and ASTM D 4318); e) grain size distribution (see standard ABNT NBR 7181); f) indices of minimum, maximum and natural voids; g) carbonate content; h) direct shearing (see standard ASTM D 3080).
  131. interface
    a surface forming a common boundary between two things
    A Subbottom Profiler System (SBP) with frequencies of 2 kHz to 7 kHz and with an interface for saving digital data in SEGY format shall be used. 4.4.2
  132. Split
    an old Croatian city on the Adriatic Sea
    Geotécnico; ABNT NBR 6508 - Grãos de Solos que Passam na Peneira de 4,8 mm - Determinação da Massa Específica; ABNT NBR 7180 - Solo - Determinação do Limite de Plasticidade; ABNT NBR 7181 - Solo - Análise Granulométrica; ABNT NBR 9820 - Coleta de Amostras Indeformadas de Solos de Baixa Consistência em Furos de Sondagem; ASTM D 854 - Standard Test Methods for Specific Gravity of Soil Solids by Water Pycnometer; ASTM D 1586 - Standard Test Method for Standard Penetration Test (SPT) and Split
  133. undisturbed
    untroubled by interference or disturbance
    3.11 Static Shelby Sampler A thin-walled, tubular sampler which penetrates into the soil through static driving and is used for collecting undisturbed samples from the layers of the seafloor.
  134. short circuit
    accidental contact between two points in an electric circuit that have a potential difference
    Records shall not be started, at any line or time, if any of the following conditions occurs: a) more than 3 dead channels; b) seismograph not working properly; or c) channels on short circuit. 4.9.12.2
  135. installation
    the act of setting something up for use
    1.2 This Standard is applicable to offshore services, on jack-up and semi-submersible drilling platforms, drillships, geotechnical vessels, production platforms and to the installation of flow systems.
  136. equipment
    an instrumentality needed for an undertaking
    3.7 Gravity Corer (Kullenberg) An equipment which, through the action of gravity, is used for collecting surface samples from the seafloor.
  137. navigation
    guidance of ships, planes, or vehicles from place to place
    Procedures for Continuing the Work Works shall not continue when any of the following conditions occur: a) loss of primary navigation; b) operation in sea conditions exceeding Beaufort force 3 without consulting PETROBRAS inspection, with regard to the quality of the records and continuity of the work; c) wavy records, demonstrating that they were acquired from an improper vessel without a motion sensor.
  138. shoe
    footwear shaped to fit the foot (below the ankle) with a flexible upper of leather or plastic and a sole and heel of heavier material
    Geotechnical services to be performed on jack-up platforms are aimed at analyzing the bearing capacity of the foundation terrain, estimating penetrations of platform shoes and checking the possibility of rupture occurring in the terrain by punching. 5.6.1.2
  139. record
    anything providing permanent evidence about past events
    The resistance to cone penetration (lateral friction and tip resistance) is continuously recorded by means of load cells.
  140. boomer
    a member of the large generation born in the 1950s
    Boomer, Sparker or Slave Gum (power determined by PETROBRAS); c) number of channels: up to 48 channels, considering 5 hydrophones per channel; d) interval between station (IE) = 6.25 m; e) shotpoint interval = 6.25 m or 12.5 m; f) minimum number of depth indicators = 3; g) sampling ratio = 0.25 ms; h) length of record = 1 second to 2 seconds; i) fixed gain: 36 dB; j) plotting of seismograms: 100 %; k) system for recording seismic data on 8 mm EXABYTE tapes; l) saving format = multiplexed SEGD,
  141. comprise
    be made of
    3.20 Semi-Submersible Platform A vessel comprised of decks supported by vertical columns that sit on large submarine flotation pontoons.
  142. spacing
    the time between occurrences of a repeating event
    The spacing between electrodes shall be 5 m at most and may be adjusted for smaller spacing.
  143. profile
    an outline of something, especially a face from the side
    In beach regions, the profile shall start at a beach point specified by PETROBRAS and shall extend continuously 1 km into the sea.
  144. liquidity
    the state in which a substance exhibits a readiness to flow
    Samples The types of tests are: a) specific weight (see standard ASTM D 854); b) specific weight of solid particles (see standard ABNT NBR 6508); c) moisture content (see standards ABNT NBR 7180 and ASTM D 2216); d) liquidity and plasticity limits (see standards ABNT NBR 6459, ABNT NBR 7180 and ASTM D 4318); e) grain size distribution (see standard ABNT NBR 7181); f) indices of minimum, maximum and natural voids; g) carbonate content; h) direct shearing (see standard ASTM D 3080).
  145. electrode
    a conductor used to make electrical contact with some part of a circuit
    The spacing between electrodes shall be 5 m at most and may be adjusted for smaller spacing.
  146. paraffin
    from crude petroleum
    Samples (“liner”) shall be cut at every meter, plugged with paraffin so as to avoid moisture loss and be duly identified (name of hole, type and base, depth below seafloor).
  147. core
    the center of an object
    ABNT NBR 7181 - Solo - Análise Granulométrica; ABNT NBR 9820 - Coleta de Amostras Indeformadas de Solos de Baixa Consistência em Furos de Sondagem; ASTM D 854 - Standard Test Methods for Specific Gravity of Soil Solids by Water Pycnometer; ASTM D 1586 - Standard Test Method for Standard Penetration Test (SPT) and Split-Barrel Sampling of Soil; ASTM D 1587 - Standard Practice for Thin-Walled Tube Sampling of Soil for Geotechnical Purposes; ASTM D 2113 - Standard Practice for Rock Core
  148. ping
    a sharp high-pitched resonant sound
    Procedures for Continuing the Work The work may not continue when any of the following conditions occur: a) loss of 10 m of coverage of successive data or a total of 100 m interspersed in 2 000 m of surveyed data; b) loss of more than 2 % of pings in any line; c) loss of primary navigation; d) operations in sea conditions above Beaufort force 3 without consulting PETROBRAS Inspection, as to the quality of the records and continuity of the work. 4.6.13
  149. specific
    stated explicitly or in detail
    External circulation shall be regulated by a specific clause of Secrecy and Confidentiality pursuant to the terms of intellectual and industrial property law.”
  150. real time
    the actual time that it takes a process to occur
    for the following equipment: - single beam echo sounder; - sonar; - EPC; - SBP; - remote navigation from bridge (with universal top); e) the navigation system shall consider software for geophysical surveys allowing real time, simultaneous operation with the submarine roster of PETROBRAS, in DXF, DGN and DWG format (SGO - “Sistema de Gerenciamento de Obstáculos” or Obstacle Management System); f) the equipment items comprising the navigation system shall be tested according to the routines
  151. referenced
    supported with written references or citations
    real time, simultaneous operation with the submarine roster of PETROBRAS, in DXF, DGN and DWG format (SGO - “Sistema de Gerenciamento de Obstáculos” or Obstacle Management System); f) the equipment items comprising the navigation system shall be tested according to the routines of their manufacturers, with the vessel at port and in motion; special attention shall be paid to the DPGS system calibration test at port and calibration of sensors in motion; g) the entire navigation shall be referenced
  152. offshore
    (of winds) coming from the land
    B ENGLISH 03 / 2004 PROPRIEDADE DA PETROBRAS Offshore Geophysical and Geotechnical Investigations CONTEC Comissão de Normalização Técnica SC-04 Civil Construction Revalidation Revalidated in 05/2010.
  153. procedure
    a particular course of action intended to achieve a result
    B ENGLISH MAR / 2004 PROPERTY OF PETROBRAS 27 pages and Index of Revisions OFFSHORE GEOPHYSICAL AND GEOTECHNICAL INVESTIGATIONS Procedure This Standard replaces and cancels its previous revision.
  154. Monitor
    an ironclad vessel built by Federal forces to do battle with the Merrimac
    Testing of Noise and Monitor Records 4.9.7.1
  155. percussion
    the act of exploding a detonator that explodes when struck
    3.10 Percussion Sampler An equipment which, through driving by means of the dynamic action of a sliding hammer, is used for collecting samples from the layers beneath the seafloor.
  156. mooring
    a place where a craft can be made fast
    Semi-submersible Platform, Drillship and Geotechnical Vessel In order to check the conditions of the subsoil for mooring the semi-submersible platform, a sampling program without drilling shall be conducted. 5.6.2.1
  157. revision
    the act of altering
    B ENGLISH MAR / 2004 PROPERTY OF PETROBRAS 27 pages and Index of Revisions OFFSHORE GEOPHYSICAL AND GEOTECHNICAL INVESTIGATIONS Procedure This Standard replaces and cancels its previous revision.
  158. approximately
    imprecise but fairly close to correct
    The signal-to-noise ratio shall be at least approximately 15:1. 4.7.2
  159. layer
    a single thickness of some substance or material
    3.1 Geophysical Investigations Any process intended for gathering precision sonographic and seismic bathymetric data, checking the occurrence and behavior of sedimentary layers on the surface and subsurface of the seafloor, the morphology of the area, as well as for searching for submerged obstacles, or submerged natural and anthropic obstacles, posing risks to the operations conducted in the area under study.
  160. specific gravity
    the density of a substance relative to the density of water
    NBR 6490 - Reconhecimento e Amostragem para Fins de Caracterização de Ocorrência de Rochas; ABNT NBR 6497 - Levantamento Geotécnico; ABNT NBR 6508 - Grãos de Solos que Passam na Peneira de 4,8 mm - Determinação da Massa Específica; ABNT NBR 7180 - Solo - Determinação do Limite de Plasticidade; ABNT NBR 7181 - Solo - Análise Granulométrica; ABNT NBR 9820 - Coleta de Amostras Indeformadas de Solos de Baixa Consistência em Furos de Sondagem; ASTM D 854 - Standard Test Methods for Specific Gravity
  161. liner
    a protective covering that protects an inside surface
    3.25 Liner Rigid PVC lining containing the soil sample.
  162. sea level
    level of the ocean's surface
    to the group of cables, between them and the positions of the satellite antenna; b) table showing typical distances from the reference point to the satellite antennas, the center of each arrangement of sources and the group closest to and farthest from each cable and terminal buoy; c) layout of the arrangement of the seismic source, showing the number of each source (sleeve gun, sparker or boomer); d) location of transducers of the echo sounder in relation to the vessel’s antenna, sea level
  163. Rock
    United States gynecologist and devout Catholic who conducted the first clinical trials of the oral contraceptive pill (1890-1984)
    de Plasticidade; ABNT NBR 7181 - Solo - Análise Granulométrica; ABNT NBR 9820 - Coleta de Amostras Indeformadas de Solos de Baixa Consistência em Furos de Sondagem; ASTM D 854 - Standard Test Methods for Specific Gravity of Soil Solids by Water Pycnometer; ASTM D 1586 - Standard Test Method for Standard Penetration Test (SPT) and Split-Barrel Sampling of Soil; ASTM D 1587 - Standard Practice for Thin-Walled Tube Sampling of Soil for Geotechnical Purposes; ASTM D 2113 - Standard Practice for Rock
  164. subcommittee
    a small working group that is part of a larger group
    The CONTEC - Authoring Subcommittee provides guidance on the interpretation of this Standard when questions arise regarding its contents.
  165. dynamic
    characterized by action or forcefulness of personality
    3.10 Percussion Sampler An equipment which, through driving by means of the dynamic action of a sliding hammer, is used for collecting samples from the layers beneath the seafloor.
  166. stabilized
    made stable or firm
    The shoes shall be stabilized for the deck of the platform to be jacked up until draft zero is reached; a partial preload equivalent to approximately 30 % of the addition needed for the total preload to be reached shall be applied. 5.6.1.5
  167. diameter
    the length of a straight line through the center of a circle
    Use corer with internal liner 4” in inside diameter. 4.10.2
  168. underlie
    be underneath
    In the sounding performed for analyzing the bearing capacity and estimating shoe penetrations, the platform shall be at the desired location so that the legs are lowered into the marine subsoil until the resistance of the underlying soil is equal to the total load of the platform (its own weight). 5.6.1.4
  169. investigation
    an inquiry into unfamiliar or questionable activities
    B ENGLISH 03 / 2004 PROPRIEDADE DA PETROBRAS Offshore Geophysical and Geotechnical Investigations CONTEC Comissão de Normalização Técnica SC-04 Civil Construction Revalidation Revalidated in 05/2010.
  170. wash away
    remove by the application of water or other liquid and soap or some other cleaning agent
    Non-representative samples are intended solely for material classification purposes, except for washed samples (whose fine fraction has been washed away).
  171. malfunction
    fail to work properly
    for Continuing the Work The work shall not continue when any of the following conditions occurs: a) loss of 5 m of coverage of successive data, or a total of 300 m interspersed in 4 000 m of surveyed data; b) loss of more than 2 % of records on any line; c) loss of digital record; d) loss of primary navigation; e) malfunction of motion sensor; f) sea conditions exceeding Beaufort force 3 without consulting PETROBRAS inspection as to the quality of the records and continuity of the
  172. ventilate
    furnish with an opening to allow air to circulate or escape
    ventilated place, if possible with air conditioning; b) transport samples as quickly as possible to the lab that runs the tests; c) the lab shall have a wet chamber for storage of samples; d) do not transport samples by aircraft; e) refrain from vibrating samples; f) do not allow samples to be dropped; g) cover the vehicle used for transportation so as to dampen its jolts; h) during the period between sampling and unloading from the ship, the samples shall be kept in an environment not exposed
  173. GPS
    a navigational system involving satellites and computers that can determine the latitude and longitude of a receiver on Earth by computing the time difference for signals from different satellites to reach the receiver
    The basic parameters of this projection are as follows: a) DGPS; b) the differential GPS system (DGPS) shall be capable of multiple operation of differential GPS stations; DGPS positioning shall be available 24 hours a day for the entire duration of the survey; c) the executor shall ensure that all base stations, if a link is used via radio, are positioned within 0.2 m. 4.9.12
  174. classification
    the basic cognitive process of arranging into categories
    The following information shall be determined at the laboratory facilities onboard: a) tactile-visual classification of samples (see standards ABNT NBR 6484 and NBR 6490); b) moisture content (see standards ABNT NBR 7180 and ASTM D 2216); c) specific weight (see standard ASTM D 854); d) undrained shear strength (Su) of cohesive samples by means of a pocket penetrometer, torvane, vane, swedish cone and simple compression (see standard ASTM D 2166); e) carbonatic reaction.
  175. working group
    a group of people working together temporarily until some goal is achieved
    Foreword PETROBRAS Technical Standards are prepared by Working Groups – GTs (consisting of specialists from PETROBRAS and its Subsidiaries), are commented by PETROBRAS Units and PETROBRAS Subsidiaries, are approved by the Authoring Subcommittees - SCs (consisting of specialists from the same specialty, representing the various PETROBRAS Units and PETROBRAS Subsidiaries), and ratified by the CONTEC Plenary Assembly (consisting of representatives of the PETROBRAS Units and PETROBRAS Subsidiaries).
  176. collect
    gather
    3.7 Gravity Corer (Kullenberg) An equipment which, through the action of gravity, is used for collecting surface samples from the seafloor.
  177. deform
    assume a different shape
    Onboard tests: a) shall be performed by a laboratory technician specialized in geotechnical tests; b) the occurrence of flow in shall be detected; c) any sample with a deformed or cracked liner shall be rejected; d) for samples accepted in quality control, the following shall de determined at every 1 m section: - natural specific weight; - moisture content; - undrained strength with pocket penetrometer; - undrained strength with pocket torvane. 4.10.7
  178. visual
    relating to or using sight
    The following information shall be determined at the laboratory facilities onboard: a) tactile-visual classification of samples (see standards ABNT NBR 6484 and NBR 6490); b) moisture content (see standards ABNT NBR 7180 and ASTM D 2216); c) specific weight (see standard ASTM D 854); d) undrained shear strength (Su) of cohesive samples by means of a pocket penetrometer, torvane, vane, swedish cone and simple compression (see standard ASTM D 2166); e) carbonatic reaction.
  179. quality control
    maintenance of standards of quality of manufactured goods
    Onboard tests: a) shall be performed by a laboratory technician specialized in geotechnical tests; b) the occurrence of flow in shall be detected; c) any sample with a deformed or cracked liner shall be rejected; d) for samples accepted in quality control, the following shall de determined at every 1 m section: - natural specific weight; - moisture content; - undrained strength with pocket penetrometer; - undrained strength with pocket torvane. 4.10.7
  180. submerged
    beneath the surface of the water
    3.1 Geophysical Investigations Any process intended for gathering precision sonographic and seismic bathymetric data, checking the occurrence and behavior of sedimentary layers on the surface and subsurface of the seafloor, the morphology of the area, as well as for searching for submerged obstacles, or submerged natural and anthropic obstacles, posing risks to the operations conducted in the area under study.
  181. exceeding
    far beyond what is usual in magnitude or degree
    4.2 Geophysical Methods The geophysical methods used offshore to assist in the installations of jack-up platforms, semi-submersible platforms, drilling platforms and submarine pipelines are as follows: a) electrical tomography at water depths not exceeding 40 m; b) sonar; c) bathymetry; d) 3.5 kHz monochannel seismic; e) multichannel seismic; f) magnetometry; g) bottom samples; h) “Kullenberg” type samples; i) total station positioning; and j) DGPS positioning.
  182. continuity
    uninterrupted connection or union
    Procedures for Continuing the Work Works shall not continue when any of the following conditions occur: a) loss of primary navigation; b) operation in sea conditions exceeding Beaufort force 3 without consulting PETROBRAS inspection, with regard to the quality of the records and continuity of the work; c) wavy records, demonstrating that they were acquired from an improper vessel without a motion sensor.
  183. meter
    a basic unit of length (approximately 1.094 yards)
    Samples (“liner”) shall be cut at every meter, plugged with paraffin so as to avoid moisture loss and be duly identified (name of hole, type and base, depth below seafloor).
  184. tube
    a hollow cylindrical shape
    mm - Determinação da Massa Específica; ABNT NBR 7180 - Solo - Determinação do Limite de Plasticidade; ABNT NBR 7181 - Solo - Análise Granulométrica; ABNT NBR 9820 - Coleta de Amostras Indeformadas de Solos de Baixa Consistência em Furos de Sondagem; ASTM D 854 - Standard Test Methods for Specific Gravity of Soil Solids by Water Pycnometer; ASTM D 1586 - Standard Test Method for Standard Penetration Test (SPT) and Split-Barrel Sampling of Soil; ASTM D 1587 - Standard Practice for Thin-Walled Tube
  185. converter
    a device for changing one substance or form or state into another
    This format shall have the maximum bit A/D converter range so that the maximum dynamic range of the system is not degraded. 4.9.9
  186. determine
    find out or learn with certainty, as by making an inquiry
    3.2 Precision Bathymetry A geophysical method used to determine the water depth and morphology of the seafloor in the area under study.
  187. gravity
    the force of attraction between all masses in the universe
    NBR 6490 - Reconhecimento e Amostragem para Fins de Caracterização de Ocorrência de Rochas; ABNT NBR 6497 - Levantamento Geotécnico; ABNT NBR 6508 - Grãos de Solos que Passam na Peneira de 4,8 mm - Determinação da Massa Específica; ABNT NBR 7180 - Solo - Determinação do Limite de Plasticidade; ABNT NBR 7181 - Solo - Análise Granulométrica; ABNT NBR 9820 - Coleta de Amostras Indeformadas de Solos de Baixa Consistência em Furos de Sondagem; ASTM D 854 - Standard Test Methods for Specific Gravity
  188. evaluation
    the act of ascertaining or judging the quality of
    For evaluation of soil settlements the test shall be performed to a depth exceeding the largest dimension of the base of the structure. 5.7.1.3
  189. geometry
    the mathematics of points and lines and curves and surfaces
    Notes: 1) The geometry of the electrode arrays used shall be of the Wenner type.
  190. posing
    the act of assuming a certain position
    3.1 Geophysical Investigations Any process intended for gathering precision sonographic and seismic bathymetric data, checking the occurrence and behavior of sedimentary layers on the surface and subsurface of the seafloor, the morphology of the area, as well as for searching for submerged obstacles, or submerged natural and anthropic obstacles, posing risks to the operations conducted in the area under study.
  191. analyze
    break down into components or essential features
    Geotechnical services to be performed on jack-up platforms are aimed at analyzing the bearing capacity of the foundation terrain, estimating penetrations of platform shoes and checking the possibility of rupture occurring in the terrain by punching. 5.6.1.2
  192. echo
    the repetition of a sound from reflection of the sound waves
    4.3 Testing of Equipment and Systems The equipment items to be tested before and during each service are: 3.5 kHz subbottom profiler, side scan sonar, echo sounder, magnetometer, multichannel seismic seismograph, resistivimeter, gravity corer, acoustic positioning, wave compensator, DGPS and communications.
  193. obstacle
    something that stands in the way and must be surmounted
    3.1 Geophysical Investigations Any process intended for gathering precision sonographic and seismic bathymetric data, checking the occurrence and behavior of sedimentary layers on the surface and subsurface of the seafloor, the morphology of the area, as well as for searching for submerged obstacles, or submerged natural and anthropic obstacles, posing risks to the operations conducted in the area under study.
  194. consolidate
    form into a solid mass or whole
    Determination of Water (Moisture) Content of Soil and Rock by Mass; ASTM D 2434 - Standard Test Method for Permeability of Granular Soils (Constant Head); ASTM D 2435 - Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading; ASTM D 2850 - Standard Test Methods for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils; ASTM D 3080 - Standard Test Methods for Direct Shear Test of Soils Under Consolidated Drained Conditions; ASTM D
  195. alteration
    the act of revising
    - Chapter 2: Inclusion of standards ABNT NBR 6484 and ASTM D 4318. (1nd Amendment) Exclusion of standards ABNT NBR 7250, ASTM D 423, ASTM D 424 e ASTM D 2938. (1nd Amendment) Alteration of the titles of ABNT NBR 6484, ASTM D 854, D 1586, D 1587, D 2113, D 2166, D 2216, D 2434, D 2435, D 2850, D 3080 and D 3441. (2nd Amendment) - Item 5.5.1.1: (1nd Amendment) Alteration of the text.
  196. drill
    a tool for making holes in hard materials
    Jack-up shall be performed up to approximately 5 m in relation to sea level and to the movement of the cantilever up to an intermediate position sufficient for the drill string to be lowered. 5.6.1.7
  197. technical
    of or relating to aptitude in a practical skill
    CONTEC Comissão de Normas Técnicas Technical Requirement: a provision established as the most adequate and which shall be used strictly in accordance with this Standard.
  198. pursuant
    in conformance to or agreement with
    - PETROBRAS, for internal use in the Company, and any reproduction for external use or disclosure, without previous and express authorization from the owner, will imply an unlawful act pursuant to the relevant legislation through which the applicable responsibilities shall be imputed.
  199. digital
    relating to or performed with the fingers
    A Subbottom Profiler System (SBP) with frequencies of 2 kHz to 7 kHz and with an interface for saving digital data in SEGY format shall be used. 4.4.2
  200. representative
    serving to typify
    Foreword PETROBRAS Technical Standards are prepared by Working Groups – GTs (consisting of specialists from PETROBRAS and its Subsidiaries), are commented by PETROBRAS Units and PETROBRAS Subsidiaries, are approved by the Authoring Subcommittees - SCs (consisting of specialists from the same specialty, representing the various PETROBRAS Units and PETROBRAS Subsidiaries), and ratified by the CONTEC Plenary Assembly (consisting of representatives of the PETROBRAS Units and PETROBRAS Subsidiaries).
  201. revise
    make changes to
    Proposed revisions to this Standard shall be submitted to the CONTEC - Authoring Subcommittee, indicating the alphanumeric identification and revision of the Standard, the clause(s) to be revised, the proposed text, and technical/economic justification for revision.
  202. integrate
    make into a whole or make part of a whole
    integrated by computer, with the positioning corrections received through link via radio and/or communication satellite; the navigation computer shall also operate all recording systems and determine the tops of all systems, both automatically and simultaneously; c) any line or any redone line section shall have, at the beginning and end, a constellation of satellites with proper geometry and configuration effect in the horizontal precision - HDOP - less than 3; d) the navigation system shall
  203. executor
    a person appointed to carry out the terms of the will
    The executor shall become familiar with the local geodesic datum and coordinate its use or future alterations according to PETROBRAS inspection.
  204. technician
    someone who is trained in a specific process
    Onboard tests: a) shall be performed by a laboratory technician specialized in geotechnical tests; b) the occurrence of flow in shall be detected; c) any sample with a deformed or cracked liner shall be rejected; d) for samples accepted in quality control, the following shall de determined at every 1 m section: - natural specific weight; - moisture content; - undrained strength with pocket penetrometer; - undrained strength with pocket torvane. 4.10.7
  205. specify
    be particular about
    In beach regions, the profile shall start at a beach point specified by PETROBRAS and shall extend continuously 1 km into the sea.
  206. recording
    a storage device on which information have been recorded
    Procedures for Beginning the Work Records may not be started, at any line or time, if any of the following conditions occurs: a) transducer operating in disagreement with the manufacturer’s specifications; b) recording instrument of onboard section is not working properly; or c) wavy records, demonstrating that they were acquired from an improper vessel without a motion sensor.
  207. quasi
    having some resemblance
    Water (Moisture) Content of Soil, Rock and Soil-Aggregate Mixtures; ASTM D 2434 - Permeability of Granular Soils (Constant Head), Test for; ASTM D 2435 - One-Dimensional Consolidation Properties of Soils, Test for; ASTM D 2850 - Unconsolidated, Undrained Strength of Cohesive Soils in Triaxial Compression, Test for; ASTM D 2938 - Unconfined Compressive Strength of Intact Rock Core Specimens; ASTM D 3080 - Direct Shear Test of Soils Under Consolidated Drained Conditions; ASTM D 3441 - Deep, Quasi
  208. digitally
    by means of the fingers
    The sensor shall have a depth gauge and the data from the sensor shall be digitally recorded. 4.7.1.2
  209. correlate
    bear a reciprocal or mutual relation
    Seismic Energy Source The location and interval between the sources shall be shown on the correlated diagrams. 4.9.5
  210. location
    the act of putting something in a certain place
    At very shallow water depths, a diagram is required to allow a clear view of the location of the DGPS antenna in relation to the “fish”.
  211. geology
    science of the history of the earth as recorded in rocks
    3.3 Side Scan Sonar Method used for mapping the geology and obstacles found on the seafloor.
  212. acquisition
    something gained
    4.5 Minimum Specifications for Bathymetric Surveys Bathymetric data acquisition shall be present during 3.5 kHz seismic surveys, and magnetometric and sonographic surveys.
  213. streamer
    a long flag; often tapering
    cables (including depth detectors and streamer compasses), in relation to the group of cables, between them and the positions of the satellite antenna; b) table showing typical distances from the reference point to the satellite antennas, the center of each arrangement of sources and the group closest to and farthest from each cable and terminal buoy; c) layout of the arrangement of the seismic source, showing the number of each source (sleeve gun, sparker or boomer); d) location of
  214. overlap
    extend over and cover a part of
    2) Overlapping between sections shall be defined in the design.
  215. recorded
    set down or registered in a permanent form especially on film or tape for reproduction
    The resistance to cone penetration (lateral friction and tip resistance) is continuously recorded by means of load cells.
  216. flotation
    the phenomenon of remaining on the surface of a liquid
    3.20 Semi-Submersible Platform A vessel comprised of decks supported by vertical columns that sit on large submarine flotation pontoons.
  217. recommend
    express a good opinion of
    Recommended Practice: a provision that may be adopted under the conditions of this Standard, but which admits (and draws attention to) the possibility of there being a more adequate alternative (not written in this Standard) to the particular application.
  218. limit
    as far as something can go
    Granular Soils (Constant Head); ASTM D 2435 - Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading; ASTM D 2850 - Standard Test Methods for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils; ASTM D 3080 - Standard Test Methods for Direct Shear Test of Soils Under Consolidated Drained Conditions; ASTM D 3441 - Standard Test Method for Mechanical Cone Penetration Tests of Soil; ASTM D 4318 - Standard Test Methods for Liquid Limit
  219. maximum
    the greatest or most complete or best possible
    The sensor shall be leveled at the working depth, allowing a maximum variation of 2 % of its depth. 4.6.2
  220. reconnaissance
    the act of scouting, especially to gain information
    4 GEOPHYSICAL SURVEYS 4.1 Site Reconnaissance Geophysical reconnaissance in the sea shall precede any geological or geotechnical reconnaissance so as to permit the detection of positions posing risks to structures.
  221. type
    a subdivision of a particular kind of thing
    3.4 Seafloor Sampler A type of dragging sampler used to remove surface samples from the seafloor.
  222. amendment
    a statement that is added to a proposal or document
    B ENGLISH 05 / 2009 PROPERTY OF PETROBRAS 1 page Offshore Geophysical and Geotechnical Investigations CONTEC Comissão de Normalização Técnica SC-04 Civil Construction 2nd Amendment This is the 2nd Amendment to PETROBRAS N-2000 REV.
  223. incremental
    increasing gradually by regular degrees or additions
    Determination of Water (Moisture) Content of Soil and Rock by Mass; ASTM D 2434 - Standard Test Method for Permeability of Granular Soils (Constant Head); ASTM D 2435 - Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading; ASTM D 2850 - Standard Test Methods for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils; ASTM D 3080 - Standard Test Methods for Direct Shear Test of Soils Under Consolidated Drained Conditions; ASTM D
  224. testing
    experimentation to determine how well something works
    3.6 Geotechnical Investigation Any process use for gathering data for the design of foundations for a particular job, consisting of sampling, “in situ” testing and laboratory testing.
  225. supplementary
    functioning in a supporting capacity
    2 SUPPLEMENTARY DOCUMENTS The documents listed below are mentioned in the text and contain valid requirements for the present Standard.
  226. dimension
    a construct distinguishing objects or individuals
    Offshore geotechnical investigations for engineering purposes shall be conducted according to the dimension and type of structure that the soil shall support (see standard ABNT NBR 6497). 5.1.2
  227. operation
    process or manner of functioning
    3.1 Geophysical Investigations Any process intended for gathering precision sonographic and seismic bathymetric data, checking the occurrence and behavior of sedimentary layers on the surface and subsurface of the seafloor, the morphology of the area, as well as for searching for submerged obstacles, or submerged natural and anthropic obstacles, posing risks to the operations conducted in the area under study.
  228. contain
    hold or have within
    1.4 This Standard contains Technical Requirements and Recommended Practices.
  229. non
    negation of a word or group of words
    If a decision is taken not to follow the requirement (“non-conformity” to this Standard) it shall be based on well-founded economic and management reasons, and be approved and registered by the Department of PETROBRAS that uses this Standard.
  230. differential
    a quality that distinguishes between similar things
    The basic parameters of this projection are as follows: a) DGPS; b) the differential GPS system (DGPS) shall be capable of multiple operation of differential GPS stations; DGPS positioning shall be available 24 hours a day for the entire duration of the survey; c) the executor shall ensure that all base stations, if a link is used via radio, are positioned within 0.2 m. 4.9.12
  231. ballast
    any heavy material used to stabilize a ship or airship
    Each cable shall be ballasted to be neutrally buoyant along the researched area. 4.9.5.2
  232. follow
    travel behind, go after, or come after
    If a decision is taken not to follow the requirement (“non-conformity” to this Standard) it shall be based on well-founded economic and management reasons, and be approved and registered by the Department of PETROBRAS that uses this Standard.
  233. stabilize
    support and make steadfast
    The shoes shall be stabilized for the deck of the platform to be jacked up until draft zero is reached; a partial preload equivalent to approximately 30 % of the addition needed for the total preload to be reached shall be applied. 5.6.1.5
  234. document
    a representation of a person's thinking with symbolic marks
    2 SUPPLEMENTARY DOCUMENTS The documents listed below are mentioned in the text and contain valid requirements for the present Standard.
  235. connect
    fasten or put together two or more pieces
    A motion sensor connected to the subbottom profiler (SBP) and echo sounder shall be used and the data shall be saved with automatic correction. 4.4.3
  236. vibratory
    moving very rapidly to and fro or up and down
    3.9 Vibracorer An equipment which, through vibratory driving, is used for collecting surface samples from the seafloor.
  237. use
    put into service
    B, incorporated the 1st amendment and it is used to alter the text of the Standard in the parts indicated below: NOTE 1 The news pages with the performed amendments are placed in its corresponding positions.
  238. terrain
    a piece of ground having specific characteristics
    Geotechnical services to be performed on jack-up platforms are aimed at analyzing the bearing capacity of the foundation terrain, estimating penetrations of platform shoes and checking the possibility of rupture occurring in the terrain by punching. 5.6.1.2
  239. inoperative
    not working or taking effect
    Procedures for Beginning the Work Records shall not be started, at any line or time, if any of the following conditions occurs: a) echo sounder working in disagreement with specifications; b) motion sensor working in disagreement with specifications; c) inoperative analog recorder.
  240. processed
    subjected to a special treatment
    Backups Backups shall be made of all data recorded on any magnetic medium, of the observer’s records and navigation records, of processed positioning data and of all information needed for processing and positioning seismic data before the end of the works.
  241. overlapping
    with a design in which one element covers a part of another
    2) Overlapping between sections shall be defined in the design.
  242. criterion
    the ideal in terms of which something can be judged
    1 SCOPE 1.1 This Standard establishes the criteria to be followed for the performance of services and presentation of results of geophysical surveys and geotechnical investigations.
  243. confidentiality
    discretion in keeping secret information
    External circulation shall be regulated by a specific clause of Secrecy and Confidentiality pursuant to the terms of intellectual and industrial property law.”
  244. consult
    seek information from
    Note: For documents for which only the Portuguese version is available, the PETROBRAS department that uses this Standard should be consulted for any information required for the specific application.
  245. precision
    the quality of being exact
    3.1 Geophysical Investigations Any process intended for gathering precision sonographic and seismic bathymetric data, checking the occurrence and behavior of sedimentary layers on the surface and subsurface of the seafloor, the morphology of the area, as well as for searching for submerged obstacles, or submerged natural and anthropic obstacles, posing risks to the operations conducted in the area under study.
  246. method
    a way of doing something, especially a systematic way
    NBR 6490 - Reconhecimento e Amostragem para Fins de Caracterização de Ocorrência de Rochas; ABNT NBR 6497 - Levantamento Geotécnico; ABNT NBR 6508 - Grãos de Solos que Passam na Peneira de 4,8 mm - Determinação da Massa Específica; ABNT NBR 7180 - Solo - Determinação do Limite de Plasticidade; ABNT NBR 7181 - Solo - Análise Granulométrica; ABNT NBR 9820 - Coleta de Amostras Indeformadas de Solos de Baixa Consistência em Furos de Sondagem; ASTM D 854 - Standard Test Methods for Specific Gravity
  247. area
    the extent of a two-dimensional surface within a boundary
    3.1 Geophysical Investigations Any process intended for gathering precision sonographic and seismic bathymetric data, checking the occurrence and behavior of sedimentary layers on the surface and subsurface of the seafloor, the morphology of the area, as well as for searching for submerged obstacles, or submerged natural and anthropic obstacles, posing risks to the operations conducted in the area under study.
  248. diagram
    a drawing intended to explain how something works
    At very shallow water depths, a diagram is required to allow a clear view of the location of the DGPS antenna in relation to the “fish”.
  249. subsidiary
    functioning in a supporting capacity
    Foreword PETROBRAS Technical Standards are prepared by Working Groups – GTs (consisting of specialists from PETROBRAS and its Subsidiaries), are commented by PETROBRAS Units and PETROBRAS Subsidiaries, are approved by the Authoring Subcommittees - SCs (consisting of specialists from the same specialty, representing the various PETROBRAS Units and PETROBRAS Subsidiaries), and ratified by the CONTEC Plenary Assembly (consisting of representatives of the PETROBRAS Units and PETROBRAS Subsidiaries).
  250. polarity
    a relation between two opposite attributes or tendencies
    Polarity checks shall be made on the cable before the survey begins and, in case any distortion is found, the wires and cubes shall be replaced. 4.9.6
  251. sediment
    matter that has been deposited by some natural process
    After the sonographic survey, it is necessary to collect surface sediments from the seafloor at points determined by PETROBRAS using a GIBBS type dredge or the like. 4.11.2
  252. load
    weight to be borne or conveyed
    Determination of Water (Moisture) Content of Soil and Rock by Mass; ASTM D 2434 - Standard Test Method for Permeability of Granular Soils (Constant Head); ASTM D 2435 - Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading; ASTM D 2850 - Standard Test Methods for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils; ASTM D 3080 - Standard Test Methods for Direct Shear Test of Soils Under Consolidated Drained Conditions; ASTM D
  253. tape
    a long thin piece of cloth or paper as used for binding or fastening
    6.25 m; e) shotpoint interval = 6.25 m or 12.5 m; f) minimum number of depth indicators = 3; g) sampling ratio = 0.25 ms; h) length of record = 1 second to 2 seconds; i) fixed gain: 36 dB; j) plotting of seismograms: 100 %; k) system for recording seismic data on 8 mm EXABYTE tapes; l) saving format = multiplexed SEGD, 8048 format; on channel 1 the time break shall be recorded and on channel 2 the signature of the source shall be recorded; m) cables: deck cable, lead-in, 3 live sections (48
  254. correction
    the act of fixing a mistake
    A motion sensor connected to the subbottom profiler (SBP) and echo sounder shall be used and the data shall be saved with automatic correction. 4.4.3
  255. classify
    arrange or order by categories
    Tested samples are classified as: a) non-representative samples; b) representative samples; c) undisturbed samples. 5.5.1.3
  256. greased
    smeared with oil or grease to reduce friction
    The equipment shall be completely washed with fresh water at the end of the work day and the rope shall be greased. 4.6.8
  257. accord
    concurrence of opinion
    Operations in sea conditions exceeding force 3 (according to the Beaufort scale) shall be carried out after consulting PETROBRAS inspection as to the quality of the records and continuity of the work. 4.6.9
  258. correlation
    a reciprocal connection between two or more things
    Each profile shall be positioned at the datum to be provided by PETROBRAS (with coordinates identified at the beginning, middle and end of each rope) for subsequent geological/geotechnical correlation. 4.8.3
  259. uniformly
    in a uniform manner
    For uniform soil conditions, at least four holes shall be made with sampling to be uniformly distributed in the platform installation area.
  260. equip
    provide with, usually for a specific purpose
    3.21 Drilling Platform Offshore platform equipped with a drilling rig.
  261. air conditioning
    a system that keeps air cool and dry
    air conditioning; b) transport samples as quickly as possible to the lab that runs the tests; c) the lab shall have a wet chamber for storage of samples; d) do not transport samples by aircraft; e) refrain from vibrating samples; f) do not allow samples to be dropped; g) cover the vehicle used for transportation so as to dampen its jolts; h) during the period between sampling and unloading from the ship, the samples shall be kept in an environment not exposed to direct sunlight, within special
  262. tested
    tested and proved to be reliable
    4.3 Testing of Equipment and Systems The equipment items to be tested before and during each service are: 3.5 kHz subbottom profiler, side scan sonar, echo sounder, magnetometer, multichannel seismic seismograph, resistivimeter, gravity corer, acoustic positioning, wave compensator, DGPS and communications.
  263. disagreement
    a conflict of people's opinions or actions or characters
    Procedures for Beginning the Work Records may not be started, at any line or time, if any of the following conditions occurs: a) transducer operating in disagreement with the manufacturer’s specifications; b) recording instrument of onboard section is not working properly; or c) wavy records, demonstrating that they were acquired from an improper vessel without a motion sensor.
  264. complement
    something added to embellish or make perfect
    3 DEFINITIONS For the purposes of this Standard the definitions in standard PETROBRAS N-1812 are adopted, complemented by items 3.1 to 3.26.
  265. interval
    the distance between things
    interval between station (IE) = 6.25 m; e) shotpoint interval = 6.25 m or 12.5 m; f) minimum number of depth indicators = 3; g) sampling ratio = 0.25 ms; h) length of record = 1 second to 2 seconds; i) fixed gain: 36 dB; j) plotting of seismograms: 100 %; k) system for recording seismic data on 8 mm EXABYTE tapes; l) saving format = multiplexed SEGD, 8048 format; on channel 1 the time break shall be recorded and on channel 2 the signature of the source shall be recorded; m) cables: deck cable,
  266. satellite
    any celestial body orbiting around a planet or star
    cables (including depth detectors and streamer compasses), in relation to the group of cables, between them and the positions of the satellite antenna; b) table showing typical distances from the reference point to the satellite antennas, the center of each arrangement of sources and the group closest to and farthest from each cable and terminal buoy; c) layout of the arrangement of the seismic source, showing the number of each source (sleeve gun, sparker or boomer); d) location of
  267. weight
    the vertical force exerted by a mass as a result of gravity
    Onboard tests: a) shall be performed by a laboratory technician specialized in geotechnical tests; b) the occurrence of flow in shall be detected; c) any sample with a deformed or cracked liner shall be rejected; d) for samples accepted in quality control, the following shall de determined at every 1 m section: - natural specific weight; - moisture content; - undrained strength with pocket penetrometer; - undrained strength with pocket torvane. 4.10.7
  268. foundation
    the basis on which something is grounded
    3.6 Geotechnical Investigation Any process use for gathering data for the design of foundations for a particular job, consisting of sampling, “in situ” testing and laboratory testing.
  269. consist
    have its essential character
    Foreword PETROBRAS Technical Standards are prepared by Working Groups – GTs (consisting of specialists from PETROBRAS and its Subsidiaries), are commented by PETROBRAS Units and PETROBRAS Subsidiaries, are approved by the Authoring Subcommittees - SCs (consisting of specialists from the same specialty, representing the various PETROBRAS Units and PETROBRAS Subsidiaries), and ratified by the CONTEC Plenary Assembly (consisting of representatives of the PETROBRAS Units and PETROBRAS Subsidiaries).
  270. particle
    (nontechnical usage) a tiny piece of anything
    Samples The types of tests are: a) specific weight (see standard ASTM D 854); b) specific weight of solid particles (see standard ABNT NBR 6508); c) moisture content (see standards ABNT NBR 7180 and ASTM D 2216); d) liquidity and plasticity limits (see standards ABNT NBR 6459, ABNT NBR 7180 and ASTM D 4318); e) grain size distribution (see standard ABNT NBR 7181); f) indices of minimum, maximum and natural voids; g) carbonate content; h) direct shearing (see standard ASTM D 3080).
  271. consolidation
    combining into a solid mass
    Determination of Water (Moisture) Content of Soil and Rock by Mass; ASTM D 2434 - Standard Test Method for Permeability of Granular Soils (Constant Head); ASTM D 2435 - Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading; ASTM D 2850 - Standard Test Methods for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils; ASTM D 3080 - Standard Test Methods for Direct Shear Test of Soils Under Consolidated Drained Conditions; ASTM D
  272. map
    a diagrammatic representation of the earth's surface
    3.3 Side Scan Sonar Method used for mapping the geology and obstacles found on the seafloor.
  273. cable
    a very strong thick rope made of twisted hemp or steel wire
    6.25 m; e) shotpoint interval = 6.25 m or 12.5 m; f) minimum number of depth indicators = 3; g) sampling ratio = 0.25 ms; h) length of record = 1 second to 2 seconds; i) fixed gain: 36 dB; j) plotting of seismograms: 100 %; k) system for recording seismic data on 8 mm EXABYTE tapes; l) saving format = multiplexed SEGD, 8048 format; on channel 1 the time break shall be recorded and on channel 2 the signature of the source shall be recorded; m) cables: deck cable, lead-in, 3 live sections (48
  274. monitor
    someone who observes to ensure fairness or prevent mistakes
    The equipment items that also monitor the neutral pressures (or pore pressures) generated during the pushing process through pressure transducers are called piezocones (PCPT).
  275. interpretation
    the act of expressing something in an artistic performance
    The CONTEC - Authoring Subcommittee provides guidance on the interpretation of this Standard when questions arise regarding its contents.
  276. graph
    a visual representation of the relations between quantities
    The results of the analysis shall be expressed through a graph of “ultimate load on shoe x penetration at shoe end”, in which provision is made for a penetration range for platform shoes up to the total preload. 5.6.1.13
  277. obligatory
    required by compulsion or convention
    It is obligatory to use a wave compensator connected to the echo sounder (single beam).
  278. projection
    the act of expelling or ejecting
    Datum and Mapping Projection 4.9.11.1
  279. occurrence
    an instance of something happening
    3.1 Geophysical Investigations Any process intended for gathering precision sonographic and seismic bathymetric data, checking the occurrence and behavior of sedimentary layers on the surface and subsurface of the seafloor, the morphology of the area, as well as for searching for submerged obstacles, or submerged natural and anthropic obstacles, posing risks to the operations conducted in the area under study.
  280. well-founded
    based on sound reasoning or evidence
    If a decision is taken not to follow the requirement (“non-conformity” to this Standard) it shall be based on well-founded economic and management reasons, and be approved and registered by the Department of PETROBRAS that uses this Standard.
  281. conditions
    the context that influences the performance of a process
    Recommended Practice: a provision that may be adopted under the conditions of this Standard, but which admits (and draws attention to) the possibility of there being a more adequate alternative (not written in this Standard) to the particular application.
  282. dampen
    lessen in force or effect
    a wet chamber for storage of samples; d) do not transport samples by aircraft; e) refrain from vibrating samples; f) do not allow samples to be dropped; g) cover the vehicle used for transportation so as to dampen its jolts; h) during the period between sampling and unloading from the ship, the samples shall be kept in an environment not exposed to direct sunlight, within special boxes, kept in PVC lining, segmented in lengths of 1 m (with indication of depth below the sea bed on top and on the
  283. analysis
    abstract separation of something into its various parts
    The results of monthly tests, including field records, shall be supplied immediately to PETROBRAS for analysis.
  284. moor
    come into or dock at a wharf
    Semi-submersible Platform, Drillship and Geotechnical Vessel In order to check the conditions of the subsoil for mooring the semi-submersible platform, a sampling program without drilling shall be conducted. 5.6.2.1
  285. specialize
    become more focused on an area of activity or field of study
    Onboard tests: a) shall be performed by a laboratory technician specialized in geotechnical tests; b) the occurrence of flow in shall be detected; c) any sample with a deformed or cracked liner shall be rejected; d) for samples accepted in quality control, the following shall de determined at every 1 m section: - natural specific weight; - moisture content; - undrained strength with pocket penetrometer; - undrained strength with pocket torvane. 4.10.7
  286. discard
    anything that is cast aside
    B ENGLISH 06 / 2008 21 Note: Washed samples shall be discarded. 5.5.1.4
  287. channels
    official routes of communication
    channels: up to 48 channels, considering 5 hydrophones per channel; d) interval between station (IE) = 6.25 m; e) shotpoint interval = 6.25 m or 12.5 m; f) minimum number of depth indicators = 3; g) sampling ratio = 0.25 ms; h) length of record = 1 second to 2 seconds; i) fixed gain: 36 dB; j) plotting of seismograms: 100 %; k) system for recording seismic data on 8 mm EXABYTE tapes; l) saving format = multiplexed SEGD, 8048 format; on channel 1 the time break shall be recorded and on channel 2
  288. segment
    one of several parts that fit with others to make a whole
    a wet chamber for storage of samples; d) do not transport samples by aircraft; e) refrain from vibrating samples; f) do not allow samples to be dropped; g) cover the vehicle used for transportation so as to dampen its jolts; h) during the period between sampling and unloading from the ship, the samples shall be kept in an environment not exposed to direct sunlight, within special boxes, kept in PVC lining, segmented in lengths of 1 m (with indication of depth below the sea bed on top and on the
  289. vane
    the flattened weblike part of a feather
    The following information shall be determined at the laboratory facilities onboard: a) tactile-visual classification of samples (see standards ABNT NBR 6484 and NBR 6490); b) moisture content (see standards ABNT NBR 7180 and ASTM D 2216); c) specific weight (see standard ASTM D 854); d) undrained shear strength (Su) of cohesive samples by means of a pocket penetrometer, torvane, vane, swedish cone and simple compression (see standard ASTM D 2166); e) carbonatic reaction.
  290. channel
    a deep and relatively narrow body of water
    channels: up to 48 channels, considering 5 hydrophones per channel; d) interval between station (IE) = 6.25 m; e) shotpoint interval = 6.25 m or 12.5 m; f) minimum number of depth indicators = 3; g) sampling ratio = 0.25 ms; h) length of record = 1 second to 2 seconds; i) fixed gain: 36 dB; j) plotting of seismograms: 100 %; k) system for recording seismic data on 8 mm EXABYTE tapes; l) saving format = multiplexed SEGD, 8048 format; on channel 1 the time break shall be recorded and on channel 2
  291. electrical
    relating to or concerned with electricity
    4.2 Geophysical Methods The geophysical methods used offshore to assist in the installations of jack-up platforms, semi-submersible platforms, drilling platforms and submarine pipelines are as follows: a) electrical tomography at water depths not exceeding 40 m; b) sonar; c) bathymetry; d) 3.5 kHz monochannel seismic; e) multichannel seismic; f) magnetometry; g) bottom samples; h) “Kullenberg” type samples; i) total station positioning; and j) DGPS positioning.
  292. fin
    organ of locomotion and balance in fishes and some other aquatic animals
    NBR 6490 - Reconhecimento e Amostragem para Fins de Caracterização de Ocorrência de Rochas; ABNT NBR 6497 - Levantamento Geotécnico; ABNT NBR 6508 - Grãos de Solos que Passam na Peneira de 4,8 mm - Determinação da Massa Específica; ABNT NBR 7180 - Solo - Determinação do Limite de Plasticidade; ABNT NBR 7181 - Solo - Análise Granulométrica; ABNT NBR 9820 - Coleta de Amostras Indeformadas de Solos de Baixa Consistência em Furos de Sondagem; ASTM D 854 - Standard Test Methods for Specific Gravity
  293. pontoon
    (nautical) a floating structure (as a flat-bottomed boat) that serves as a dock or to support a bridge
    3.20 Semi-Submersible Platform A vessel comprised of decks supported by vertical columns that sit on large submarine flotation pontoons.
  294. characterize
    be typical of
    It is characterized by the verb forms “shall,” “it is necessary...,” “is required to...,” “it is required that...,” “is to...,” “has to...,” “only ... is permitted,” and other equivalent expressions having an imperative nature.
  295. plenary
    full in all respects
    Foreword PETROBRAS Technical Standards are prepared by Working Groups – GTs (consisting of specialists from PETROBRAS and its Subsidiaries), are commented by PETROBRAS Units and PETROBRAS Subsidiaries, are approved by the Authoring Subcommittees - SCs (consisting of specialists from the same specialty, representing the various PETROBRAS Units and PETROBRAS Subsidiaries), and ratified by the CONTEC Plenary Assembly (consisting of representatives of the PETROBRAS Units and PETROBRAS Subsidiaries).
  296. rupture
    the act of making a sudden noisy break
    Geotechnical services to be performed on jack-up platforms are aimed at analyzing the bearing capacity of the foundation terrain, estimating penetrations of platform shoes and checking the possibility of rupture occurring in the terrain by punching. 5.6.1.2
  297. content
    satisfied or showing satisfaction with things as they are
    The CONTEC - Authoring Subcommittee provides guidance on the interpretation of this Standard when questions arise regarding its contents.
  298. facility
    a building or place that provides a particular service
    Laboratory Facilities Onboard 5.5.1.1
  299. collecting
    the act of gathering something together
    3.7 Gravity Corer (Kullenberg) An equipment which, through the action of gravity, is used for collecting surface samples from the seafloor.
  300. vessel
    an object used as a container, especially for liquids
    1.2 This Standard is applicable to offshore services, on jack-up and semi-submersible drilling platforms, drillships, geotechnical vessels, production platforms and to the installation of flow systems.
  301. crosswise
    transversely
    DGN and DWG format (SGO - “Sistema de Gerenciamento de Obstáculos” or Obstacle Management System); f) the equipment items comprising the navigation system shall be tested according to the routines of their manufacturers, with the vessel at port and in motion; special attention shall be paid to the DPGS system calibration test at port and calibration of sensors in motion; g) the entire navigation shall be referenced to the Greenwich mean time (GMT) and Julian calendar; h) deviations crosswise
  302. reflector
    device that reflects radiation
    3.5 kHz subbottom profile data (SBP): a) analog records shall be presented on sensitive paper (EPC type) showing the 3.5 kHz subbottom profile of each line with identification of the line number, together with the bathymetric data, as per item 4.11.4.1; b) digital data shall be presented in SEGY format; c) profiles, in DGN format, showing the interpretation of reflectors.
  303. silt
    mud or clay or small rocks deposited by a river or lake
    Electrical tomography data: a) data of each section in the original format (DAT); b) sections interpreted in DWG (3D) and DGN (3D) format, indicating the seafloor composition (sand, clay, silt, rocks and others); c) observer’s report. 4.11.4.6
  304. laterally
    to or by or from the side
    3.19 Cantilever Part of a structure laterally designed to extend beyond its support base.
  305. consolidated
    joined together into a whole
    Determination of Water (Moisture) Content of Soil and Rock by Mass; ASTM D 2434 - Standard Test Method for Permeability of Granular Soils (Constant Head); ASTM D 2435 - Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading; ASTM D 2850 - Standard Test Methods for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils; ASTM D 3080 - Standard Test Methods for Direct Shear Test of Soils Under Consolidated Drained Conditions; ASTM D
  306. check
    examine to determine accuracy or quality
    3.1 Geophysical Investigations Any process intended for gathering precision sonographic and seismic bathymetric data, checking the occurrence and behavior of sedimentary layers on the surface and subsurface of the seafloor, the morphology of the area, as well as for searching for submerged obstacles, or submerged natural and anthropic obstacles, posing risks to the operations conducted in the area under study.
  307. lateral
    situated at or extending to the side
    The resistance to cone penetration (lateral friction and tip resistance) is continuously recorded by means of load cells.
  308. packaged
    enclosed in a package or protective covering
    The remainder of the sample shall then be covered with paraffin and packaged for laboratory testing. 5.6.2.8
  309. wavy
    (of hair) having waves
    Procedures for Beginning the Work Records may not be started, at any line or time, if any of the following conditions occurs: a) transducer operating in disagreement with the manufacturer’s specifications; b) recording instrument of onboard section is not working properly; or c) wavy records, demonstrating that they were acquired from an improper vessel without a motion sensor.
  310. pile
    a collection of objects laid on top of each other
    Pile Foundation Structures Local and laboratory investigations for piled foundations shall provide a basis for the following foundation design calculations, in accordance with standard ABNT NBR 6122: a) provisional stability of non-piled structure, supported on bottom; b) lateral load capacity of pile; c) axial load capacity of pile; d) pile drivability conditions expected to occur.
  311. accordance
    concurrence or agreement of opinion
    CONTEC Comissão de Normas Técnicas Technical Requirement: a provision established as the most adequate and which shall be used strictly in accordance with this Standard.
  312. backup
    the act of providing approval and support
    Backups Backups shall be made of all data recorded on any magnetic medium, of the observer’s records and navigation records, of processed positioning data and of all information needed for processing and positioning seismic data before the end of the works.
  313. used
    previously owned by another
    B, incorporated the 1st amendment and it is used to alter the text of the Standard in the parts indicated below: NOTE 1 The news pages with the performed amendments are placed in its corresponding positions.
  314. structure
    a complex entity made of many parts
    3.16 Representative Samples Samples which preserve all mineral constituents of the soil, but whose structure has been disturbed by the extraction process.
  315. index
    alphabetical listing of names and topics with page numbers
    B ENGLISH MAR / 2004 PROPERTY OF PETROBRAS 27 pages and Index of Revisions OFFSHORE GEOPHYSICAL AND GEOTECHNICAL INVESTIGATIONS Procedure This Standard replaces and cancels its previous revision.
  316. condition
    a mode of being or form of existence of a person or thing
    Recommended Practice: a provision that may be adopted under the conditions of this Standard, but which admits (and draws attention to) the possibility of there being a more adequate alternative (not written in this Standard) to the particular application.
  317. base
    lowest support of a structure
    If a decision is taken not to follow the requirement (“non-conformity” to this Standard) it shall be based on well-founded economic and management reasons, and be approved and registered by the Department of PETROBRAS that uses this Standard.
  318. applicable
    having relevance
    - PETROBRAS, for internal use in the Company, and any reproduction for external use or disclosure, without previous and express authorization from the owner, will imply an unlawful act pursuant to the relevant legislation through which the applicable responsibilities shall be imputed.
  319. winch
    a lifting device consisting of a cylinder turned by a crank
    The following instructions shall be followed: a) do not operate under sea conditions that might jeopardize the safety of operators without consulting PETROBRAS as to the continuity of the works; b) winch operations shall be carried out very carefully so as to avoid damages to the conductor/tow rope; c) all equipment shall be washed with fresh water at the end of the work day and the cable shall be greased; -PUBLICON- 2000 REV.
  320. tow
    drag behind
    The sensor shall be towed at a minimum distance of 3 times the length of the vessel and near the seafloor. 4.7.1.1
  321. adopt
    take into one's family
    The Department of PETROBRAS that uses this Standard is responsible for adopting and applying the clauses thereof.
  322. manufacturer
    someone who constructs or produces something
    Procedures for Beginning the Work Records may not be started, at any line or time, if any of the following conditions occurs: a) transducer operating in disagreement with the manufacturer’s specifications; b) recording instrument of onboard section is not working properly; or c) wavy records, demonstrating that they were acquired from an improper vessel without a motion sensor.
  323. occur
    come to pass
    Procedures for Beginning the Work Records may not be started, at any line or time, if any of the following conditions occurs: a) transducer operating in disagreement with the manufacturer’s specifications; b) recording instrument of onboard section is not working properly; or c) wavy records, demonstrating that they were acquired from an improper vessel without a motion sensor.
  324. carry out
    put in effect
    Operations in sea conditions exceeding force 3 (according to the Beaufort scale) shall be carried out after consulting PETROBRAS inspection as to the quality of the records and continuity of the work. 4.6.9
  325. jeopardize
    pose a threat to; present a danger to
    The following instructions shall be followed: a) do not operate under sea conditions that might jeopardize the safety of operators without consulting PETROBRAS as to the continuity of the works; b) winch operations shall be carried out very carefully so as to avoid damages to the conductor/tow rope; c) all equipment shall be washed with fresh water at the end of the work day and the cable shall be greased; -PUBLICON- 2000 REV.
  326. integrated
    formed or united into a whole
    integrated by computer, with the positioning corrections received through link via radio and/or communication satellite; the navigation computer shall also operate all recording systems and determine the tops of all systems, both automatically and simultaneously; c) any line or any redone line section shall have, at the beginning and end, a constellation of satellites with proper geometry and configuration effect in the horizontal precision - HDOP - less than 3; d) the navigation system shall
  327. pose
    assume a bearing as for artistic purposes
    3.1 Geophysical Investigations Any process intended for gathering precision sonographic and seismic bathymetric data, checking the occurrence and behavior of sedimentary layers on the surface and subsurface of the seafloor, the morphology of the area, as well as for searching for submerged obstacles, or submerged natural and anthropic obstacles, posing risks to the operations conducted in the area under study.
  328. extraction
    taking out something
    3.15 Non Representative Samples Samples in which, during the extraction process, materials from different layers have mixed together or in which some mineral constituents have been removed or replaced by the action of the drilling fluid.
  329. documentation
    confirmation that some fact or statement is true
    Primary DGPS Positioning: a) the datum to be used by navigation during the data survey shall be supplied at all times according to the work area and shall always be very clear in any documentation submitted by the executor to PETROBRAS; -PUBLICON- 2000 REV.
  330. provide
    give something useful or necessary to
    The CONTEC - Authoring Subcommittee provides guidance on the interpretation of this Standard when questions arise regarding its contents.
  331. distribute
    give to several people
    For uniform soil conditions, at least four holes shall be made with sampling to be uniformly distributed in the platform installation area.
Created on Wed Feb 20 11:55:20 EST 2013 (updated Wed Feb 20 12:21:20 EST 2013)

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