Violao 2D4C | PGS

Brazil - 2004

Violao 2D4C 2D

The 3 line 2D program was designed to illuminate oil and gas reservoirs from 3,400 – 4,300 m depth
Website Map for Survey MCS Violao 2D4C
The design was to discern between hydrocarbons and basalt anomalies.

Specifications

Survey summary

  • Type: 2D
  • Size: 845 km
  • Acquisition year: 2004
  • Completion of processing: 2005
  • Water depth: 200 - 1250 m
  • Vessels: Ocean Explorer, Falcon Explorer, Bergen Surveyor

Acquisition parameters

  • Number of streamers: 1
  • Record length: 6144 ms
  • Bin dimensions (Acquisition): 12.5 m
  • Fold: 180

Processing

  • Kirchhoff Pre-Stack Time Migration (PSTM)
  • Dual sensor summation

Time products

  • Final Kirchhoff PSTM Stack
  • Angle Stack Near
  • Angle Stack Far
  • PSTM Gathers
  • Stacking Velocity
  • Migration Velocity