Monuments | PGS

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Australia

Monuments 3D

This modern conventional 3D survey covers acreage in Carnarvon basin
Website Map for Survey Monuments 3D
The modern conventional 3D survey was designed to image the deep Permo-Triassic of the Carnarvon Basin.
Class 3 AVO anomalies are the general play type pursued for gas in this province.
3D seismic data to better understand structural complexity of survey area.

Specifications

Survey summary

  • Type: 3D
  • Geometry: Standard
  • Size: 2 321 sq.km
  • Acquisition year: 2015
  • Completion of processing: 2015
  • Water depth: 1 000-1 500 m
  • Shooting direction: 090-270
  • Vessel: Sanco Swift
  • In partnership with: TGS

Acquisition parameters

  • Number of streamers: 10
  • Streamer length: 8 100 m
  • Streamer separation: 150 m
  • Shot interval: 18.75 m
  • Record length: 12 060 ms
  • Sample rate: 2 ms

Processing

  • 3D surface related multiple elimination (SRME)
  • High resolution radon demultiple
  • Kirchhoff prestack depth migration (PSDM)

Depth products

  • Final Kirchhoff PSDM stack
  • PSDM gathers
  • Velocity model
  • Final Kirchhoff PSDM angle stacks