BM-S-4 Northwest | PGS

Santos Basin - Brazil - 2006

BM-S-4 Northwest 3D

Website Map for Survey BM-S-4_NW

Specifications

Survey summary

  • Type: 3D
  • Geometry: Standard
  • Size: 1375 sq.km
  • Acquisition year: 2006
  • Completion of processing: 2007
  • Reprocessing: Yes
  • Water depth: 400 - 1200 m
  • Shooting direction: 68 / 248
  • Vessel: Ramform Challenger

Acquisition parameters

  • Number of streamers: 10
  • Streamer length: 6000 m
  • Streamer separation: 100 m
  • Shot interval: 50, 25 flip-flop m
  • Record length: 9200 ms
  • Sample rate: 2 ms
  • Bin dimensions (Acquisition): 6.25 x 25 m
  • Bin dimensions (Processing): 12.5 x 12.5 m
  • Fold: 60

Processing

  • 3D surface related multiple elimination (SRME)
  • SRME
  • Radon and residual
  • Kirchhoff prestack time migration (PSTM)
  • Kirchhoff prestack depth migration (PSDM)

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