This 3D survey covers the southern half of the Round-3 block, BM-PAMA-2, and the northeastern side of the Round- 2 block, BM-PAMA-1. It encompasses the shelf slope of the south-central part of the Pará-Maranhão Basin. Prospective carbonates and cretaceous sands are potential targets.
DATA DELIVERABLES (SEGY)
Poststack migration (25 m x 25 m)
Velocity semblance gathers
Stack volume
Navigation-appended shot gathers
Prestack demultiple gathers
Other Deliverables
Stack and migration velocity fields (ASCII format)
Bin center data
Migration volume available at 12.5 m x 12.5 m bin size
Acquisition and processing reports
Gravity data
Summary of Acquisition and Processing
Configuration | 8 x 6000 m, dual source |
Shooting direction | 48° / 228° |
Longest offset | 6250 m |
Fold | 60 |
Bin dimensions (acquisition) | 6.25 m x 25 m |
Bin dimensions (processing) | 12.5 m x 12.5 m |
Record length | 8000ms |
Bathymetry | 50m – 2700 m |
Demultiple techniques | Radon + residual |
Migration techniques | Poststack finite difference |
Velocity grid | 500 m x 500 m |
Survey size | 2,536 km2 |
Acquisition date | 2002 |
Delivery date | 2003 |
