North Sea portfolio

We have refreshed and refocused our portfolio; selling interests in assets that were no longer consistent with our strategy, investing in those that are, acquiring interest in new assets and bringing new fields into production. Our portfolio today is smaller but stronger, with less operating complexity, reduced risk, and better potential to increase and sustain returns

Annual Publication 2018 cover

Shetland

Schiehallion Area

The multi-billion-pound Quad 204 project was designed to completely redevelop and maximise production from the Schiehallion and Loyal fields, located 175 kilometres west of Shetland. After 15 years of operating in harsh conditions and producing nearly 400 million barrels of oil, the original Schiehallion floating, production, storage and offloading (FPSO) vessel required replacement to enable continued production and recovery of a further estimated 450 million barrels from the fields.

From this, the Quad 204 project was born and saw the construction of a new state-of-the-art FPSO, the Glen Lyon; renewal of much of the subsea infrastructure network; and a seven-year drilling campaign, comprising up to 20 new wells. Glen Lyon will enable production from this key hub to be extended beyond 2035. First oil from Quad 204 was achieved in May 2017 with full production capacity of 130,000 barrels of oil equivalent a day in 2018.

Alligin 

Alligin is a two-well development in the Schiehallion Area which will be tied back subsea to the Glen Lyon FPSO. It has 20-million-barrels of recoverable oil in place and is located approximately 140 kilometres west of Shetland. It is due to come on stream in 2020.

Clair

With an estimated eight billion barrels of oil in place, the Clair field is the largest oilfield on the UK Continental Shelf (UKCS). The field, located 75 kilometres west of the Shetland Islands, was discovered in 1977, but challenging reservoir characteristics and the technological limits of the time meant it was the mid-1990s before the field saw extensive drilling and 2001 before BP and partners approved a development plan. Production from the Clair field began in 2005 – 28 years after discovery.

Clair Ridge

The physical size of the Clair field dictates development via a phased approach and Clair Ridge is the second phase of development. It has involved the construction and installation of two new bridge-linked platforms, the jackets (legs) of which were installed in 2013 followed by the topside modules in 2015. Hook-up and commissioning offshore is well under way as we gear up for first oil in 2018. Clair Ridge is expected to be producing beyond 2050. With our partners, we have also completed an appraisal drilling programme to help define a possible third phase of development of the Clair field.

Foinaven

The Foinaven field is located 190 kilometres west of Shetland in water depths of between 350 and 520 metres. The field was discovered in 1990 and sanctioned for development in 1994. It was the first deepwater development on the UKCS and the first west of Shetland. First oil from the field was in November 1997. The pioneering fast-track development was based on a network of subsea wells linked via a subsea network of pipelines, control umbilicals and risers to the Petrojarl Foinaven FPSO.

Central North Sea

Eastern Trough Area Project (ETAP)

ETAP ranks as one of the largest and most commercially complex North Sea oil and gas developments of the past 20 years; multiple fields with varying ownership sharing a central processing facility (CPF). BP operates six of the seven ETAP fields; Machar, Madoes, Mirren, Mungo, Monan and Marnock. The other field is Heron. A multi-million-pound life extension project as part of the overall field development strategy got under way in 2015 and has breathed new life into this vital resource. We see significant potential and remaining field life in ETAP and, through our investments, expect it to produce well into the 2030s.

Andrew Area

The Andrew Area includes the Andrew, Arundel, Cyrus, Farragon and Kinnoull fields which all produce through the Andrew platform. Andrew, Cyrus and Farragon were shut in in mid-2011 to allow for the multi-million-pound Andrew Area Development (AAD), a major brownfield project enabling the Kinnoull field, located 28 kilometres to the north, to be developed through the existing facilities. The AAD also included extensive new subsea infrastructure, a new 750-tonne process module and structural strengthening of the platform. In 2017, the Arundel field came on stream - only 18 months after project sanction. The Andrew Area is expected to produce into the mid-2020s.

Vorlich

Vorlich is a two-well development in the central North Sea which is being developed as a subsea tieback to the Ithaca Energy-operated FPF-1 floating production facility which lies at the centre of Ithaca’s Greater Stella Area production hub. It has over 30-million-barrels of recoverable oil in place and is located approximately 241 kilometres east of Aberdeen. It is due to come on production in 2020.

Bruce Area

The Bruce Area hub is made up of the Bruce, Keith and Rhum fields which all produce through the Bruce platform. BP announced in November 2017 its intention to sell a package of its interests in the Bruce assets to Serica Energy.  On completion of the transition, Serica will replace BP as the operator of these assets. The Bruce area has played a very important role in BP’s North Sea history with a strong operational and safety performance over the years. This deal is predicated on our belief that Bruce will have a better future in the hands of a company for whom the business is strategic going forward.

Miller (non-producing)

The Miller field was operational for 15 years, during which time it produced some 345 million barrels of oil equivalent. The field started up in June 1992 and, during the plateau years to 1997, output averaged at up to 150,000 barrels of oil and 225 million cubic feet of gas per day. Production ceased in July 2007. BP is now progressing a decommissioning programme for the platform, which received UK Government approval in December 2013. The first of the Miller modules were removed for disposal in 2017 with the remaining modules and the platform’s jacket (legs) being removed in 2018.

Operated by others

Culzean

The Total-operated Culzean field (BP ownership share 32%) is one of the largest new projects to be sanctioned in the North Sea in recent years and is expected to supply around 5% of UK gas requirements. The field is a high-pressure, high-temperature gas condensate reservoir which was sanctioned in 2015. First gas is anticipated in 2019. Construction is well under way.

Magnus

The EnQuest-operated Magnus field (BP ownership share 75%) is the UK's most northerly field, located 160 kilometres north-east of the Shetland islands. First oil from the field was achieved in August 1983.

Shearwater

The Shell-operated Shearwater field (BP ownership share 28%) is a high-pressure, high-temperature gas condensate field located in the Central North Sea. Shearwater was brought online in 2000 and has been developed through two fixed platforms. Shearwater remains among the biggest producing fields in the North Sea and is anticipated to continue operating into the 2020s.

Environmental statement

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