BM-PAMA-1/2 | PGS

Pará-Maranhão Basin - Brazil - 2002

BM-PAMA-1/2 3D

Encompassing the shelf slope of the south-central part of the Pará-Maranhão Basin.
Website Map for Survey BM-PAMA-1-2
Prospective carbonates and Cretaceous sands are potential targets.

Specifications

Survey summary

  • Type: 3D
  • Geometry: Standard
  • Size: 2531 sq.km
  • Acquisition year: 2002
  • Completion of processing: 2003
  • Water depth: 50 - 2700 m
  • Shooting direction: 48 / 228
  • 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 12.5 m
  • Fold: 60

Processing

  • Radon and residual
  • Kirchhoff prestack time migration (PSTM)

Time products

  • Final Kirchhoff PSTM Stack
  • Angle stack near
  • Angle stack mid
  • Angle stack far
  • PSTM gathers
  • Stacking velocity
  • Migration velocity
  • Migration volume at 12.5m x 12.5m bin size
  • Acquisition and processing reports

Additional products

  • Gravity