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SEAL-100

SEAL-100

This 3D survey covers the northwest part of Round 0 block SEAL-100 and is located in the southwestern part of the Sergipe-Alagoas Basin extending from the shelf to deepwater. Prospective targets are tertiary turbidite sands as proven by the light oil discovery within the survey.

DATA DELIVERABLES (SEGY)

  1. Prestack time migration (25 m x 25 m)
  2. Near- and far- offset stacks, prestack time migrated
  3. Prestack time migrated gathers
  4. Velocity semblance gathers
  5. Navigation-appended shot gathers
  6. Prestack demultiple gathers

Other Deliverables

  • Migration and residual velocity fields (ASCII format)
  • Bin center data
  • Acquisition and processing reports

Summary of Acquisition and Processing

Configuration

8 x 6000 m, dual source

Shooting direction

23° / 203°

Longest offset

6250 m

Fold

60

Bin dimensions (acquisition)

6.25 m x 25 m

Bin dimensions (processing)

12.5 m x 25 m

Record length

9000 ms

Bathymetry

50 m – 2200 m

Demultiple techniques

Radon + residual

Migration techniques

Kirchhoff PSTM with raybending, high order NMO

Velocity Grid

500 m x 500 m

Survey size

606 km2

Acquisition date

2002

Delivery date

2002

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