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The AAPG/Datapages Combined Publications Database
GCAGS Transactions
Abstract
East Cameron Block 270, A Pleistocene Field
D. S. Holland (1), Clark E. Sutley (1), R. E. Berlitz (2), J. A. Gilreath (2)
ABSTRACT
Exploration of the Plio-Pleistocene in the Gulf of Mexico since 1970 has discovered significant hydrocarbon reserves. One of the better gas fields to date has been the Block 270 East Cameron Field. Utilization of a coordinated exploitation plan with Schlumberger has allowed Pennzoil as operator, to develop and put on production the Block 270 Field in a minimum time period.
Block 270 Field is a north-south trending faulted nose at 6,000 feet. At G-Sand depth (8,700 feet) the structure has closed, forming an elongated north-south structure with dip in all directions from the Block 270 area. Closure is the result of contemporaneous growth of the east-bounding regional fault.
Structural and stratigraphic interpretations from Dipmeters were used to help determine the most favorable offset locations. The producing zones were found to consist of various combinations of bar-like, channel-like and distributary front sands. The sediment source for most of the producing zones was located to the southwest of the area. The two zones which are exceptions derived their sediments from the north through a system of channels parallel to the east-bounding fault.
Computed logs were used to convert conventional logging measurements into a more readily usable form for evaluation. The computed results were used for reserve calculations, reservoir quality determinations, and confirmation of depositional environments as determined from other sources.
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