BM-SEAL-10/11 | PGS

Sergipe-Alagoas Basin - Brazil - 2014

BM-SEAL-10/11 3D GeoStreamer®

This 3D survey covers the central part of the Sergipe-Alagoas Basin
Website Map for Survey BM-SEAL-10/11
The survey extends from the shelf into mostly deepwater

Specifications

Survey summary

  • Type: 3D
  • GeoStreamer®
  • Size: 4541 sq.km
  • Acquisition year: 2014
  • Completion of processing: 2015
  • Shooting direction: 119 / 299
  • Vessel: Ramform Viking

Acquisition parameters

  • Number of streamers: 12
  • Streamer length: 8000 m
  • Streamer separation: 75 m
  • Shot interval: 25 m
  • Record length: 10000 ms
  • Sample rate: 2 ms
  • Fold: 80

Processing

  • 3D surface related multiple elimination (SRME)
  • Beam depth migration
  • Radon and residual
  • Anisotropic Kirchhoff Pre-Stack Depth Migration (PSDM)
  • Kirchhoff prestack time migration (PSTM)

Depth products

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

Time products

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

Additional products

  • Gravity
  • Magnetics