DW IV | PGS

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Garden Banks - USA - 1997

DW IV 3D

3D Full Volume Depth Migration - Multiple Depth Products
Website Map for Survey DW IV
This Multi-Client 3D survey was acquired with conventional streamers in 1997

Specifications

Survey summary

  • Type: 3D
  • Geometry: Standard
  • Size: 4534 sq.km
  • Acquisition year: 1997
  • Completion of processing: 1998
  • Shooting direction: E-W
  • Vessels: Edison Chouest, Malene Ostervold, C-Searcher, Geo Explorer, Walther Herwig, Gary Chouest

Acquisition parameters

  • Number of streamers: 6-10
  • Streamer length: 8200 m
  • Shot interval: 47.25 m
  • Record length: 9000 ms
  • Sample rate: 2 ms
  • Bin dimensions (Acquisition): 12.5 x 40 m
  • Bin dimensions (Processing): 12.5 x 20 m
  • Fold: 43

Depth products

  • Final Kirchhoff PSDM stack
  • Final beam PSDM stack
  • Final WEM PSDM stack
  • PSDM gathers
  • Velocity model

Additional products

  • Gravity
  • Magnetics