Makassar | PGS

Kutei Basin - Indonesia - 2000

Makassar 3D

This high quality dataset provides insight into the highly prospective Kutei Basin
Website Map for Survey Makassar MC3D
The Kutei Basin is regarded as one of the most prolific basins in Indonesia, where at least 24 BBOE have been discovered. The focus in this area has shifted over the last 10 years to deeper water exploration after several oil and gas discoveries in water depths of 600-1 800 meters.
The offshore Kutei Basin is still largely underexplored, although numerous discoveries made offshore of SE Kalimantan (closer to the shelf) have generated optimism about the prospectivity of the area. The recent reprocessing has resulted in multiple Tcf added to the reserve estimates.
In 2006 1 370 sq km of the Makassar MC3D was reprocessed to anisotropic prestack time migration, predominately over the SE Mahakam block. In 2012 the remaining portion of the 3D dataset was reprocessed utilizing state-of the- art 3D SRME, high resolution Radon demultiple and prestack time migration.

Specifications

Survey summary

  • Type: 3D
  • Geometry: Standard
  • Size: 8 229 sq.km
  • Acquisition year: 2000
  • Completion of processing: 2012
  • Reprocessing: Yes
  • Water depth: 40-2 200 m
  • Shooting direction: SSW/NNE (29/209)
  • Vessels: Ramform Challenger, Nordic Explorer
  • In partnership with: MIGAS

Acquisition parameters

  • Number of streamers: 10-6
  • Streamer length: 4 500 m
  • Shot interval: 25 m
  • Record length: 8 000-6 144 ms
  • Sample rate: 2 ms
  • Bin dimensions (Acquisition): 6.25 x 25 m
  • Bin dimensions (Processing): 12.5 x 12.5 m
  • Fold: 60

Processing

  • 3D surface related multiple elimination (SRME)
  • High resolution radon demultiple
  • Anisotropic Kirchhoff prestack time migration (PSTM)

Time products

  • Final Kirchhoff PSTM Stack
  • PSTM gathers
  • Stacking velocity
  • Migration velocity
  • PSTM Angle stacks