Magnus Oil Field

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Summary Information

  • Operator: BP
  • Country: UK
  • Location: North Sea
  • Production start: 1983
  • Partners:
  • Type: Oil & Gas
  • Estimated Reserves:
  • Production Volume:


  • Magnus is the UK’s most northerly field, located 160 kilometres NE of the Shetland Islands
  • Oil from the Magnus reservoir is recovered by 14 deviated platform wells. The produced oil flows to collector manifolds and is processed through two identical production trains.
  • In each train the oil passes through two separation stages at decreasing pressures to the main oil line booster pumps.
  • Oil from the two trains is then combined, metered and exported to the Sullom Voe Oil Terminal via the Ninian Crude Oil Pipeline
  • Gas separated from the oil is cooled and compressed to recover valuable gas liquids.
  • The gas is then dried, compressed and exported via the Far North Liquids And Associated Gas System (Flags) Pipeline to SEGAL St Fergus Gas Processing Terminal. Some of the processed gas is also used to power the platform.
  • Magnus Enhanched Oil Recovery (EOR) Project
  • The Magnus Enhanched Oil Recovery (EOR) Project comprised the construction of the West Of Shetlands Gas Pipeline System to transport dry natural gas by two 20” Trunklines from the Foinhaven and Schiehallion Fields West of Scotland to the BP Magnus Platform via the Sullom Voe Terminal (SVT) located on the Shetland Islands


  • De Groot/Cleveland Bridge: Construction of Magnus Modules
  • BARMAC: Construction of Magnus Jacket
  • Emtunga: 5 x SAFE hazardous area modules
  • BiFab: Construction of Flare Boom
  • Heerema Marine Contractors: Installation
  • FoundOcean: Grouting
  • JP Kenny: Engineering for Magnus EOR Retrofit Riser /SSIV Subsea
  • Saipem: Installation of Flowlines and Trunkline from Magnus to Ninian Field


  • 1972 - BP awarded the licence for the block
  • 1974 - The Magnus Oilfield was discovered
  • 1978 - Development approved by UK government
  • 1983 - First oil produced
  • 1996 - South Magnus field became operational
  • 2012 - JX Nippon acquires an additional stake from ENI


  • 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.


  1. The Magnus Field, BP
  2. UK Oil and Gas Fields by Approval Date
  3. International Protective Coatings Platform References
  4. J P Kenny Subsea References
  5. FoundOcean Subsea References
  6. Saipem Pipeline References
  7. Emtunga Europe Offshore Platform References
  8. Major asset acquisition in the UKCS

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