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The Davy, Bessemer, Beaufort and Brown Fields, Blocks 49/23, 49/30a, 49/30c, 53/5a, UK North Sea

C. W. McCrone
C. W. McCrone
BP Amoco Exploration, Dyce, Aberdeen AB21 7PB, UK Present address: BP Exploration, Chertsey Road, Sunbury on Thames, Middlesex TW16 7LN, UK
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January 01, 2003


Davy, Bessemer, Beaufort and Brown are a series of small to moderate (30-200 BCF) dry gas fields, which span the southeastern corner of the UK Southern North Sea Rotliegend Play fairway. Davy was discovered in 1970; however, it was not until 1989 that Bessemer and subsequently Beaufort in 1991 were drilled. These fields were developed and brought on-stream by Amoco licence groups in 1995/96. More recently the Brown Field was discovered in October 1998 with first gas seven weeks later. The commercial viability of these relatively small accumulations is the result of technical advances across several fronts: 3D seismic imaging, horizontal well technology and minimum offshore facilities.

In the Bessemer and Beaufort area, the Rotliegend Leman Sandstone Formation reservoir (250 ft) primarily consists of stacked aeolian dune sandstones of good reservoir quality (porosity 17%, permeability 10-1000mD). However, in the Davy and Brown area there is greater variation in the Rotliegend isopach (300-700 ft) and the nature of facies present e.g., aeolian dune, sabkha and playa lake.

The fields are tied back from the Bessemer and Davy mono-tower platforms via 15 km and 43 km pipelines, respectively, to the compression facilities on the Indefatigable 23AT platform.

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Figures & Tables


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
ISBN electronic:
Publication date:
January 01, 2003




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