North Sumatra | PGS

North Sumatra - Andaman Sea - Indonesia - 2018

North Sumatra 3D GeoStreamer (In Processing)

PGS is covering the Andaman basin with MultiClient 3D GeoStreamer
Website Map for Survey North Sumatra MC3D
This survey targets the central and western margin of the North Sumatra Basin, expanding the understanding beyond existing discoveries and shelfal-related wells along the southern and eastern margin of the basin.
The current plays are Miocene carbonates, Miocene/Pliocene clastics and an Oligocene syn-rift, with a deeper untested syn-rift play and kitchen extension.
PGS GeoStreamer technology will provide high quality resolution at all depths, from overburden to target structures to allow for better understanding of the rift section and the structural definition of the basement.

Specifications

Survey summary

  • Type: 3D (In Processing)
  • GeoStreamer
  • Geometry: Standard
  • Size: 9276 sq.km
  • Acquisition year: 2018
  • Completion of processing: 2020
  • Water depth: 60-1500 m
  • Shooting direction: NW-SE
  • Vessel: PGS Apollo
  • In partnership with: NA

Acquisition parameters

  • Number of streamers: 10
  • Streamer length: 8025 m
  • Streamer separation: 112.5 m
  • Shot interval: 16.667 m
  • Record length: 10 ms
  • Sample rate: 2 ms
  • Bin dimensions (Acquisition): 6.25 x 18.75 m
  • Bin dimensions (Processing): 12.5 x 12.5 m
  • Fold: 80

Processing

  • P-UP generation
  • 3D surface related multiple elimination (SRME)
  • Wave equation 3D SRME
  • High resolution radon demultiple
  • HyperTomo velocity model building
  • Full waveform inversion (FWI)
  • Kirchhoff prestack time migration (PSTM)
  • Kirchhoff prestack depth migration (PSDM)

Depth products

  • Anisotropy and velocity models
  • Final Kirchhoff PSDM Stack
  • Angle PSDM Stack Near
  • Angle PSDM Stack Mid
  • Angle PSDM Stack Far
  • Angle PSDM Stack UFar
  • PSDM Gathers

Time products

  • Final Kirchhoff PSTM Stack
  • PSTM gathers
  • Stacking velocity
  • Migration velocity
  • Angle Stack Near
  • Angle Stack Mid
  • Angle Stack Far
  • Angle Stack UFar

Additional products

  • Gravity
  • Magnetics