Hernando | PGS

DeSoto Canyon - USA - 2008

Hernando 3D GeoStreamer

Website Map for Survey Hernando

Specifications

Survey summary

  • Type: 3D
  • GeoStreamer
  • Geometry: Standard
  • Size: 8624 sq.km
  • Acquisition year: 2008
  • Completion of processing: 2010
  • Shooting direction: NE / SW
  • Vessel: Atlantic Explorer
  • In partnership with: TGS

Acquisition parameters

  • Number of streamers: 6
  • Streamer length: 7500 m
  • Streamer separation: 100 m
  • Shot interval: 37.5 m
  • Record length: 14000 ms
  • Sample rate: 2 ms
  • Bin dimensions (Acquisition): 6.25 X 25 m
  • Bin dimensions (Processing): 25 X 12.5 m
  • Fold: 100

Processing

  • 3D surface related multiple elimination (SRME)
  • Beam depth migration
  • P-UP generation
  • Kirchhoff prestack time migration (PSTM)
  • Kirchhoff prestack depth migration (PSDM)

Depth products

  • Final Kirchhoff PSDM stack
  • Final beam PSDM stack
  • Final WEM PSDM stack
  • PSDM gathers
  • Velocity model

Time products

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