Golfinho HD | PGS

Brazil - 2005

Golfinho HD 3D

The Golfinho HD3D is a 4D baseline survey designed to repeatedly monitor reservoir production life.
Website Map for Survey Golfinho HD3D
The Golfinho reservoir produces both oil and gas from a sandstone in the Miocene interval approximately 3.4 km beneath the sea floor.

Specifications

Survey summary

  • Type: 3D
  • Size: 398 sq.km
  • Acquisition year: 2005
  • Completion of processing: 2006
  • Water depth: 800 - 1700 m
  • Shooting direction: 140 / 220
  • Vessels: Ramform Valiant, Falcon Explorer

Acquisition parameters

  • Number of streamers: 12
  • Streamer length: 6000 m
  • Shot interval: 18.75 m
  • Record length: 6500 ms
  • Sample rate: 2 ms
  • Bin dimensions (Acquisition): 6.25 x 12.5 m
  • Bin dimensions (Processing): 6.25 x 12.5 m
  • Fold: 80

Processing

  • Kirchhoff Pre-Stack Time Migration (PSTM)
  • Radon and residual

Time products

  • Final Kirchhoff PSTM Stack
  • Angle Stack Near
  • Angle Stack Mid
  • Angle Stack Far
  • PSTM Gathers
  • Stacking Velocity
  • Migration Velocity