SEAL-100 | PGS

Brazil - 2002

SEAL-100 3D

Located in the southwestern part of the Sergipe-Alagoas Basin extending from the shelf to deepwater.
Website Map for Survey SEAL-100
Prospective targets are Tertiary turbidite sands as proven by the light oil discovery within the survey.

Specifications

Survey summary

  • Type: 3D
  • Geometry: Standard
  • Size: 606 sq.km
  • Acquisition year: 2002
  • Completion of processing: 2002
  • Water depth: 50 - 2200 m

Acquisition parameters

  • Number of streamers: 8
  • Streamer length: 6000 m
  • Streamer separation: 100 m
  • Shot interval: 25 m
  • Record length: 9000 ms
  • Sample rate: 2 ms
  • Bin dimensions (Acquisition): 6.25 x 25 m
  • Bin dimensions (Processing): 12.5 x 25 m
  • Fold: 60

Processing

  • Radon and residual
  • Kirchhoff prestack time migration (PSTM)

Time products

  • Final Kirchhoff PSTM Stack
  • Angle stack near
  • Angle stack far
  • PSTM gathers
  • Stacking velocity
  • Migration velocity