BM-SEAL-5 | PGS

Sergipe-Alagoas Basin - Brazil - 2002

BM-SEAL-5 3D

The survey is located in the central part of the Sergipe-Alagoas Basin.
Website Map for Survey BM-SEAL-5

Specifications

Survey summary

  • Type: 3D
  • Geometry: Standard
  • Size: 495 sq.km
  • Acquisition year: 2002
  • Completion of processing: 2002
  • Reprocessing: Yes
  • Water depth: 1200 - 2200 m
  • Shooting direction: 38 / 218
  • Vessel: Ramform Explorer

Acquisition parameters

  • Number of streamers: 8
  • 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

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

Depth products

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

Time products

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