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The Maureen Field, Block 16/29a, UK Central North Sea

By
Peter M. Chandler
Peter M. Chandler
Phillips Petroleum Company United Kingdom Ltd, 35 Guildford Road, Woking, Surrey GU22 7QT, UK Present address: East House, Threeways, Star Hill, Churt, Surrey GU10 2HW, e-mail: petermchandler@aol.com
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Barbara Dickinson
Barbara Dickinson
Phillips Petroleum Company United Kingdom Ltd, 35 Guildford Road, Woking, Surrey GU22 7QT, UK Present address: East House, Threeways, Star Hill, Churt, Surrey GU10 2HW, e-mail: petermchandler@aol.com
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Published:
January 01, 2003

Abstract

The Maureen Field comprises the Maureen, Mary and Morag accumulations, the reservoirs being Palaeocene sandstones, Upper Jurassic sandstones and Permian dolomites respectively. The field lies about 10 km NNE of the Moira Palaeocene field. Maureen was discovered in 1973, came on-stream in 1983 and produced 217.4 MMBBL (from an estimated STOIIP of 397 MMBBL). The field ceased production in October 1999. It is trapped in a four-way dip closure over a salt dome and sealed by the overlying Lista Formation mudstones. The reservoir is up to 450 ft gross thickness, with core porosity from 18-28% and good sand connectivity. Morag was discovered in 1979, came on-stream in 1991 and produced 2.6 MMBBL before being shut-in in 1994. It produced from clean fractured dolomites in a stratigraphic trap. Mary was discovered and came on-stream in 1991. The intial well died after 1 year. A later well was put on-stream in 1997. Mary produced 2.83 MMBBL before final shut-in in June 1999. Reservoir quality is reasonable, but sand distribution is problematic. All the oils are sourced from the Kimmeridge Clay Formation on the adjacent Maureen Shelf area.

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Contents

Geological Society, London, Memoirs

United Kingdom Oil and Gas Fields Commemorative Millennium Volume

J. G. Gluyas
J. G. Gluyas
Acorn Oil Gas Ltd, Staines, Middlesex, UK
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H. M. Hichens
H. M. Hichens
Oil and Gas Directorate, London, UK
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Geological Society of London
Volume
20
ISBN electronic:
9781862393950
Publication date:
January 01, 2003

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