BM-S-31 | PGS

Santos Basin - Brazil - 2003

BM-S-31 3D

The survey is located in the northern part of the Santos Basin.
Website Map for Survey BM-S-31
Potential targets of prospectivity are carbonates and Cretaceous sands.

Specifications

Survey summary

  • Type: 3D
  • Geometry: Standard
  • Size: 1199.7 sq.km
  • Acquisition year: 2003
  • Completion of processing: 2003
  • Reprocessing: Yes
  • Water depth: 130 - 810 m
  • Shooting direction: 90 / 270
  • Vessel: Ramform Viking

Acquisition parameters

  • Number of streamers: 10
  • Streamer length: 4650 m
  • Streamer separation: 100 m
  • Shot interval: 25 m
  • Record length: 8700 ms
  • Sample rate: 2 ms
  • Bin dimensions (Acquisition): 6.25 x 25 m
  • Bin dimensions (Processing): 12.5 x 25 m
  • Fold: 47

Processing

  • 3D surface related multiple elimination (SRME)
  • Beam depth migration
  • SRME + radon
  • Kirchhoff prestack time migration (PSTM)

Depth products

  • Final beam PSDM stack
  • Velocity model

Time products

  • Final Kirchhoff PSTM Stack
  • Angle stack near
  • Angle stack mid
  • Angle stack far
  • PSTM gathers
  • Stacking velocity
  • Migration velocity