United Kingdom

  • Assets
  • Marathon Oil U.K. Environmental Report
  • Best Companies 2014

Marathon Oil has been producing oil and natural gas in the United Kingdom for more than 30 years. The Company's current holdings in the U.K. include the Company-operated Brae Complex and the Foinaven Field. Our U.K. operations are based in Aberdeen, Scotland.


  • The Brae Area comprises three offshore platforms – Brae Alpha, Brae Bravo and East Brae and the Brae-Forties pipeline. Marathon Oil is the operator of the platforms and pipeline and has equity interests in the South Brae, Central Brae, West Brae, North Brae, Beinn, East Brae and Braemar fields.

  • The Brae Alpha platform and facilities act as host for the underlying South Brae field, as well as the adjacent Central Brae and West Brae fields. The Brae Alpha platform also provides processing services for the third party operated Trees and Enoch fields.

  • The Brae Bravo platform and facilities act as host for the underlying North Brae and Beinn fields and in addition provides processing services for the third party operated Kingfisher field.

  • The East Brae Bravo platform and facilities act as host for the underlying East Brae field and in addition provides processing services for the Braemar and Devenick fields.

  • The Brae Area liquids, along with that of over thirty third party fields, are exported via the Marathon operated Brae-Forties pipeline to the BP operated Forties Pipeline System and then onwards to Kinneill for further processing.

Information on Brae Decommissioning Planning.


The Brae Group has a 50 percent equity interest in the SAGE pipeline and onshore terminal. The SAGE pipeline has a total wet gas capacity of approximately 1.1 billion cubic feet per day (bcfd) and is used to transport gas from the Brae, Beryl, Alvheim, Ettrick and Scott and their satellite fields to the onshore terminal. The SAGE terminal receives and processes gas from the SAGE and Britannia pipelines.


Marathon holds a non-operated working interest in the Foinaven area, west of the Shetland Islands in water depths between 1,300 and 1,900 feet. The Company's working interests comprise a 28 percent stake in the main Foinaven Field, 47 percent of East Foinaven and 20 percent of the T35 and T25 accumulations.The export of Foinaven liquids is via shuttle tanker direct from FPSO to market.

Marathon Oil UK LLC
Marathon House
Rubislaw Hill, Anderson Drive
Aberdeen, AB15 6FZ, Scotland
Phone: +44 1224-80-3000
Fax: +44 1224-80-3190

Marathon Oil U.K. LLC is committed to environmental protection and places significant emphasis and resources on minimizing wastes, emissions and other releases through its operations. Environmental performance indicators are a key part of Marathon Oil’s corporate and operational performance commitments with targets designed to drive continuous improvement.

Marathon Oil Corporation was recently named to The Sunday Times Best Companies to Work For 2014. This is the 14th annual ranking of the cream of Britain's motivated workforces. It is widely acknowledged as the most searching and extensive research into employee engagement carried out in the U.K. All scores and ratings that are assessed to compile the lists are based on employee opinions.

A total of 897 businesses and organisations registered to take part in our four surveys.