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The MacCulloch Field, Block 15/24b, UK North Sea

By
C. Gunn
C. Gunn
ConocoPhillips (UK) Ltd, Rubislaw House, N. Anderson Drive, Aberdeen AB15 6FZ, UK
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J. A. MacLeod
J. A. MacLeod
ConocoPhillips (UK) Ltd, Rubislaw House, N. Anderson Drive, Aberdeen AB15 6FZ, UK
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P. Salvador
P. Salvador
ConocoPhillips (UK) Ltd, Rubislaw House, N. Anderson Drive, Aberdeen AB15 6FZ, UK
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J. Tomkinson
J. Tomkinson
ConocoPhillips (UK) Ltd, Rubislaw House, N. Anderson Drive, Aberdeen AB15 6FZ, UK
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Published:
January 01, 2003

Abstract

The MacCulloch Field lies within Block 15/24b in the UK Central North Sea and is located on the northern flank of the Witch Ground Graben. It was discovered by Conoco well 15/24b-3 in 1990.

MacCulloch Field is a four-way dip closure at Top Paleocene over a deeper Mesozoic structure. The reservoir consists of Upper Balmoral Sandstones containing 32-37° API oils derived from Kimmeridge Clay Formation shales and sealed by shales belonging to the Sele Formation. The field contains recoverable reserves of 60-90 MMBOE.

Reservoir quality is generally very good, with an average porosity of 28% and core permeabilities (Kh) between 200 mD and 2D. AVO anomalies and a seismic flat spot are associated with oil filled reservoir and the oil-water contact in certain areas of the field.

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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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