Articles
2005

The Magnus Field: extending field life through good reservoir management and enhanced oil recovery

Publication: Geological Society, London, Petroleum Geology Conference Series
Volume 6
Pages 469 - 475

Abstract

The Magnus Field has been on production since 1983. Production of oil is from intra-Kimmeridge Clay Formation age turbidite sandstones. The individual lobes of the turbidites are generally fining-up, or have fine tops. Waterflood production tends to sweep the lower part of the units very effectively, thus leaving an unswept oil target at the top of many flow units. An enhanced oil recovery (EOR) scheme has been implemented on the Magnus Field by bringing gas, which had no access to a market, from the Foinaven and Schiehallion fields West of Shetland. Because the gas is mainly methane it is taken via the Sullom Voe Terminal (SVT) on the Shetland Islands where it is enriched by injecting higher molecular weight gases. This enrichment improves the effectiveness of the EOR process at Magnus. The scheme adds value not only at the Magnus Field but also to the West of Shetland fields and at SVT. The gas can also be used as fuel to replace diesel at SVT, bringing environmental benefits.

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cover image Geological Society, London, Petroleum Geology Conference Series
Geological Society, London, Petroleum Geology Conference Series
Volume 62005
Pages: 469 - 475

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Published: 2005

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Keywords:

  1. Magnus
  2. North Sea
  3. EOR
  4. IOR
  5. turbidite

Authors

Affiliations

A. G. MACGREGOR
BP Exploration Operating Company Ltd, Farburn Industrial Estate, Dyce, Aberdeen AB21 7PB, UK (e-mail:[email protected])
P. TRUSSELL
BP Exploration Operating Company Ltd, Farburn Industrial Estate, Dyce, Aberdeen AB21 7PB, UK (e-mail:[email protected])
S. LAUVER
BP Exploration Operating Company Ltd, Farburn Industrial Estate, Dyce, Aberdeen AB21 7PB, UK (e-mail:[email protected])
M. BEDROCK
BP Exploration Operating Company Ltd, Farburn Industrial Estate, Dyce, Aberdeen AB21 7PB, UK (e-mail:[email protected])
J. BRYCE
BP Exploration Operating Company Ltd, Farburn Industrial Estate, Dyce, Aberdeen AB21 7PB, UK (e-mail:[email protected])
T. MOULDS
BP Exploration Operating Company Ltd, Farburn Industrial Estate, Dyce, Aberdeen AB21 7PB, UK (e-mail:[email protected])

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Citing Literature

  • Chapter 5. Sequence stratigraphy scheme for the uppermost Middle Jurassic–lowermost Cretaceous of the North Sea area, Geological Society, London, Memoirs, 10.1144/M59-2022-70, 59, 1, (135-214), (2023).
  • Chapter 11. North Sea Basin Jurassic lithostratigraphy, Geological Society, London, Memoirs, 10.1144/M59-2022-65, 59, 1, (303-374), (2023).
  • Chapter 2. Sequence stratigraphic concepts and methodologies, Geological Society, London, Memoirs, 10.1144/M59-2022-64, 59, 1, (27-64), (2023).
  • Chapter 9. Application of sequence stratigraphy to the evaluation of selected North Sea Jurassic hydrocarbon fields and carbon capture, utilization and storage (CCUS) projects, Geological Society, London, Memoirs, 10.1144/M59-2022-59, 59, 1, (249-291), (2023).
  • Evolution of a sand-rich submarine channel–lobe system, and the impact of mass-transport and transitional-flow deposits on reservoir heterogeneity: Magnus Field, Northern North Sea, Petroleum Geoscience, 10.1144/petgeo2020-095, 27, 3, (2021).

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