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The AAPG/Datapages Combined Publications Database

Journal of Petroleum Geology

Abstract

Journal of Petroleum Geology, Vol.13, No.4, pp. 367-396, 1990

©Copyright 2000 Scientific Press, Ltd.

THE SEDIMENTOLOGY OF THE BRENT GROUP IN THE CORMORANT BLOCK IV OILFIELD

S. E. LIVERA*(1) and B. CaIine*(2)

* KSEPL., Shell Research, Postbus 60, 2280 AB Rijswijk, Netherlands.

(1) present address: Petroleum Development Oman LLC, P.O. Box 81, Muscat, Sultanate of Oman.

(2) present address: PEG, Sarawak Shell Berhad, Locked Bag No. 1, 98009 Miri, Sarawak, Federation of Malaysia.

Abstract

Cormorant Block IV is one of four, Iarge-scale fault-bounded accumulations which together comprise the Cormorant oilfield. The field lies some 150 kms NE of the Shetland Islands, in the East Shetland Basin. Oil is trapped in the Middle Jurassic (Aalenian-Bathonian) Brent Group. Block IV is a separate accumulation in a downthrown area formed by a large synsedimentary listric fault, which produced a dome-shaped structure with further internal fault-block compartmentalisation. A concerted data-gathering effort on the accumulation included the coring of 43% of the reservoir section penetrated by wells.

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