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BM-S-4

BM-S-4

This 3D survey covers the northeast & southern part of original Round 1 block BM-S-4 and is located in the north central part of the Santos Basin. Prospective targets are carbonates and sands in the upper cretaceous between discovery areas both to the east and west of this dataset.

DATA DELIVERABLES (SEGY)

  1. Poststack migration (25 m x 25 m)
  2. Near- and far- offset stacks, poststack migrated
  3. Velocity semblance gathers
  4. Stack volume
  5. Navigation appended shot gathers
  6. 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 (South)

10 x 8000 m, dual source (CLO)

Configuration (North)

8 x 6000 m, dual source

Shooting direction

158° / 338°

Longest offset (South)

8250 m

Longest offset (North)

6250 m

Fold

South – 54 / North – 60

Bin dimensions (acquisition)

6.25 m x 25 m

Bin dimensions (processing)

12.5 m x 12.5 m

Record length

8500 ms

Bathymetry

200 m – 2000 m

Demultiple techniques

Radon + residual

Migration technigues

Poststack finite difference

Velocity grid

500 m x 500 m

Survey size

6,078 km2

Acquisition date

2001

Delivery date

2001

Contact

Petroleum Geo-Services
15150 Memorial Drive
Houston, TX
77079 USA
Tel:+1 281 509 8000
Fax:+1 281 509 8500
Email: brazilinfo@pgs.com

Contact

Petroleum Geo-Services
Rua Victor Civita 77
Bloco 1
Edifício 6.2
Barra da Tijuca
CEP 22775-044
Rio de Janeiro RJ
Brazil
Tel:(+55) 21 3970-7300
Fax:(+55) 21 3970-7345
Email: brazilinfo@pgs.com