BC-200 | PGS

South-Central Campos Basin - Brazil - 2000

BC-200 3D

Encompasses the deepwater area of south central Campos Basin.
Website Map for Survey BC-200
Prospective Albian carbonates, cretaceous sands and tertiary turbidites are the potential targets.
Pre-salt limestones are becoming important targets in the area.

Specifications

Survey summary

  • Type: 3D
  • Geometry: Standard
  • Size: 5860 sq.km
  • Acquisition year: 2000
  • Completion of processing: 2001
  • Reprocessing: Yes
  • Water depth: 2650 - 3000 m
  • Shooting direction: 90 / 270
  • Vessels: Ramform Explorer, Ramform Viking

Acquisition parameters

  • Number of streamers: 10
  • Streamer length: 8000 m
  • Streamer separation: 100 m
  • Shot interval: 37.5 m
  • Record length: 9000 ms
  • Sample rate: 2 ms
  • Bin dimensions (Acquisition): 6.25 x 25 m
  • Bin dimensions (Processing): 12.5 x 12.5 m
  • Fold: 54

Processing

  • Beam depth migration
  • Radon and residual
  • Poststack finite difference
  • Kirchhoff prestack depth migration (PSDM)

Depth products

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

Time products

  • Angle stack near
  • Angle stack far
  • Stacking velocity
  • Migration velocity
  • Final post-stack time migration