Merluza | PGS

Brazil - 2009

Merluza 3D

3D covering a post-salt discovery in Santos Basin.
Website Map for Survey Merluza
Turbidite sands

Specifications

Survey summary

  • Type: 3D
  • Geometry: Standard
  • Size: 1995 sq.km
  • Acquisition year: 2009
  • Completion of processing: 2009
  • Reprocessing: Yes
  • Water depth: 100 - 1000 m
  • Shooting direction: 112 / 292
  • Vessel: Ramform Valiant

Acquisition parameters

  • Number of streamers: 10
  • Streamer length: 8000 m
  • Shot interval: 50, 25 flip-flop 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: 60

Processing

  • Beam depth migration
  • 3D SRME
  • Radon and residual
  • Kirchhoff prestack time migration (PSTM)
  • 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

  • Final Kirchhoff PSTM Stack
  • Angle stack near
  • Angle stack mid
  • Angle stack far
  • PSTM gathers
  • Stacking velocity
  • Migration velocity