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BM-J-4-5

This 3D survey covers the Round 5 block BM-J-4 and Round 6 block BM-J-5. It encompasses the shelf to deeper water area of the northern part of the Jequitinhonha Basin. Prospective targets include sandstones and/or carbonates in the Cretaceous.

PROPOSED DATA DELIVERABLES (SEGY)

1.	Prestack migration (25 m x 25 m)
2.	Prestack time migrated gathers
3.	Navigation appended shot gathers

OTHER DELIVERABLES

1.	Migration and residual velocity fields (ASCII format)
2.	Bin center data
3.	Acquisition and processing reports

SUMMARY OF ACQUISITION AND PROCESSING

Configuration	10 m x 6000 m, dual source
Shooting direction	900° / 2700°
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	1000 m – 3500 m
Demultiple techniques
Migration techniques	Kirchhoff PSTM with ray bending, high order NMO
Velocity grid	500 m x 500 m
Survey size	3,843 km²
Acquisition date	2005
Delivery date

Contact

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

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

Data Library

BM-J-4-5

PROPOSED DATA DELIVERABLES (SEGY)

OTHER DELIVERABLES

SUMMARY OF ACQUISITION AND PROCESSING

Contact

Contact