Snark OBC | PGS

A Clearer Image

Barrow Sub-basin - Australia

Snark OBC 3D

Ocean Bottom Survey (OBS)
Website Map for Survey Snark OBC Reprocessed MC3D
Full PSTM solution providing superior imaging and fault definition at all target levels, primarily Lower Cretaceous.
Targeting the Lower Cretaceous sandstones of the deltaic Barrow Group.
3D seismic data to better understand structural complexity of survey area.

Specifications

Survey summary

  • Type: 3D
  • Geometry: Other
  • Size: 189 sq.km
  • Acquisition year: 1996
  • Completion of processing: 2004
  • Reprocessing: Yes
  • Water depth: 2-80 m
  • Shooting direction: 127/307

Acquisition parameters

  • Shot interval: 50 m
  • Record length: 6 000 ms
  • Sample rate: 2 ms
  • Bin dimensions (Acquisition): 25x25 m
  • Fold: 60

Processing

  • XT / Tau-P Deconvolution
  • 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