BM-SEAL-4 | PGS

Sergipe-Alagoas Basin - Brazil - 2002

BM-SEAL-4 3D

The survey is located in the southwestern part of the Sergipe-Alagoas Basin extending to deep water.
Website Map for Survey BM-SEAL-4

Specifications

Survey summary

  • Type: 3D
  • Geometry: Standard
  • Size: 770 sq.km
  • Acquisition year: 2002
  • Completion of processing: 2002
  • Water depth: 50 - 2200 m
  • Shooting direction: 28 / 228
  • Vessel: Ramform Victory

Acquisition parameters

  • Number of streamers: 8
  • Streamer length: 6000 m
  • Streamer separation: 100 m
  • Shot interval: 25 m
  • Record length: 9000 ms
  • Sample rate: 2 ms
  • Bin dimensions (Acquisition): 6.25 x 25 m
  • Bin dimensions (Processing): 12.5 x 25 m
  • Fold: 60

Processing

  • Kirchhoff Pre-Stack Time Migration (PSTM)
  • Radon and residual

Time products

  • Final Kirchhoff PSTM Stack
  • Angle Stack Near
  • Angle Stack Far
  • PSTM Gathers
  • Stacking Velocity
  • Migration Velocity

Additional products

  • Gravity