BM-S-4 | PGS

Santos Basin - Brazil - 2001

BM-S-4 3D

The survey is located in the north central part of the Santos Basin.
Website Map for Survey BM-S-4
Prospective targets are carbonates and sands in the Upper Cretaceous between discovery areas both to the east and west of this data set.

Specifications

Survey summary

  • Type: 3D
  • Geometry: Standard
  • Size: 6074.2 sq.km
  • Acquisition year: 2001
  • Completion of processing: 2001
  • Reprocessing: Yes
  • Water depth: 200 - 2000 m
  • Shooting direction: 158 / 338
  • Vessel: Ramform Explorer

Acquisition parameters

  • Number of streamers: 10
  • Streamer length: 8000 m
  • Streamer separation: 100 m
  • Shot interval: 25 m
  • Record length: 8500 ms
  • Sample rate: 2 ms
  • Bin dimensions (Acquisition): 6.25 x 25 m
  • Bin dimensions (Processing): 12.5 x 12.5 m
  • Fold: 54 / 60

Processing

  • 3D surface related multiple elimination (SRME)
  • Radon and residual
  • Poststack finite difference
  • Kirchhoff prestack depth migration (PSDM)

Depth products

  • Final beam PSDM stack
  • Velocity model

Time products

  • Angle stack near
  • Angle stack far
  • Stacking velocity
  • Migration velocity
  • Final post-stack time migration

Additional products

  • Gravity