ANG Blk 25 Reprocessed | PGS

Benguela Basin - Angola - 1999

ANG Blk 25 Reprocessed 3D

Broadband reprocessed volume covering the entirety of offshore Angola Block 25
Website Map for Survey ANG_25_MC3D
Angola offshore acreage has world-class potential, with a petroleum system within the syn-rift pre-salt section. This is similar to the proven producing systems along the conjugate margin of Brazil (Campos and Santos Basins).

Specifications

Survey summary

  • Type: 3D
  • Geometry: Standard
  • Size: 4 906 sq.km
  • Acquisition year: 1999
  • Completion of processing: 2013
  • Reprocessing: Yes
  • Water depth: 200 – 2 200 m
  • Shooting direction: 90/270
  • Vessel: Ramform Valiant
  • In partnership with: Sonangol

Acquisition parameters

  • Number of streamers: 12
  • Streamer length: 4 800 m
  • Streamer separation: 104 m
  • Shot interval: 25 m
  • Record length: 8 000 ms
  • Sample rate: 2 ms
  • Bin dimensions (Acquisition): 12.5 x 12.5 m
  • Bin dimensions (Processing): 12.5 x 12.5 m
  • Fold: 48

Processing

  • 3D Surface Related Multiple Elimination (SRME)
  • High Resolution Radon Demultiple
  • Kirchhoff Pre-Stack Depth Migration (PSDM)

Depth products

  • Final Kirchhoff PSDM Stack
  • Final BEAM PSDM Stack
  • PSDM Gathers
  • Velocity Model
  • Angle Stacks

Additional products

  • Gravity
  • Magnetics