BM-S-22 | PGS

Santos Basin - Brazil - 2005

BM-S-22 3D

The survey is located in deep water in the central part of the Santos Basin.
Website Map for Survey BM-S-22
Potential targets are pre-salt.

Specifications

Survey summary

  • Type: 3D
  • Geometry: Standard
  • Size: 1668 sq.km
  • Acquisition year: 2005
  • Completion of processing: 2006
  • Reprocessing: Yes
  • Water depth: 2150 - 2385 m
  • Shooting direction: 90 / 270
  • Vessel: Ramform Valiant

Acquisition parameters

  • Number of streamers: 10
  • Streamer length: 6000 m
  • Streamer separation: 100 m
  • Shot interval: 25 m
  • Record length: 8000 ms
  • Sample rate: 2 ms
  • Bin dimensions (Acquisition): 6.25 x 25 m
  • Bin dimensions (Processing): 12.5 x 25 m
  • Fold: 60

Processing

  • Radon and residual
  • Kirchhoff prestack time migration (PSTM)
  • Kirchhoff prestack depth migration (PSDM)

Depth products

  • Final Kirchhoff PSDM stack
  • Final beam PSDM stack
  • Final WEM PSDM stack
  • PSDM gathers
  • PSDM angle stack near
  • PSDM angle stack mid
  • PSDM angle stack far
  • Velocity model

Time products

  • Final Kirchhoff PSTM Stack
  • PSTM near, mid, far angle stacks
  • Prestack time migrated gathers
  • Navigation-appended shot gathers
  • Prestack demultiple gathers
  • migration and residual velocity fields
  • Bin center data
  • Acquisition and processing reports
  • Velocity semblance gathers