NWS Australia | PGS

Australia - Australia - 2007-2010

NWS Australia 2D GeoStreamer®

32 800 line km of true broadband GeoStreamer and conventional long offset MC2D seismic data
Website Map for Survey NWS Australia MC2D
Since 2007 PGS has acquired true broadband GeoStreamer and conventional long offset MC2D seismic data covering the Northwest Shelf Australia and the Timor Sea.
Lines positioned to tie key wells across the Northwest Shelf aligned to optimally image key geological trends which has shown the PGS MC2D data to be the foundation for regional understanding of the Westralia SuperBasin.
Long offset and long record length 2D seismic data for structural framework geological studies including true broadband Dual sensor GeoStreamer lines with pre-stack AVO/AVA fidelity.

Specifications

Survey summary

  • Type: 2D
  • GeoStreamer®
  • Geometry: Standard
  • Size: 32 846 km
  • Acquisition year: 2007-2010
  • Completion of processing: 2008-2011
  • Shooting direction: Various
  • Vessel: Beaufort

Acquisition parameters

  • Number of streamers: 1
  • Streamer length: 7 000-8 100 m
  • Shot interval: 25-37.5 m
  • Record length: 8 000-12 000 ms
  • Sample rate: 2 ms

Processing

  • 2D Surface Related Multiple Elimination (SRME)
  • High Resolution Radon Demultiple
  • XT / Tau-P Deconvolution
  • Kirchhoff Pre-Stack Time Migration (PSTM)

Time products

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