BNN Blk 4 Reprocessed | PGS

West Africa Transform Margin - Benin - 1997

BNN Blk 4 Reprocessed 3D

Broadband reprocessed 1 790 sq. km 3D survey covering part of the Benin offshore acreage
Website Map for Survey BNN_B4_MC3D
These seismic data also covers the Hihon-1 and Fifa-1 discovery wells, giving subsurface insight into how the petroleum system works across this part of the transform margin

Specifications

Survey summary

  • Type: 3D
  • Geometry: Standard
  • Size: 1 780 sq.km
  • Acquisition year: 1997
  • Completion of processing: 2016
  • Reprocessing: Yes
  • Water depth: 1 000 - 2 500 m
  • Vessel: Ramform Explorer
  • In partnership with: Government of Benin

Acquisition parameters

  • Number of streamers: 8
  • Streamer length: 4 500 m
  • Streamer separation: 25 m
  • Shot interval: 50 m
  • Record length: 8 ms
  • Sample rate: 2 ms
  • Fold: 45

Processing

  • 3D Surface Related Multiple Elimination (SRME)
  • High Resolution Radon Demultiple
  • Kirchhoff Pre-Stack Time Migration (PSTM)
  • RBO/SBO

Time products

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