[UK] Pierce Field

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[UK] Pierce Field

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Shell completes restart of operations at the Pierce Field in the UK North Sea after major redevelopment to enable gas production

18 APR 2023

Shell U.K. Ltd (“Shell”), a subsidiary of Shell plc, has completed the restart of operations at the Pierce field in the UK Central North Sea, following a significant upgrade to allow gas to be produced after years of the field producing only oil. Pierce is a joint arrangement between Shell companies (operator, 92.52%) and Ithaca Energy (UK) Limited (7.48%.)

Substantial modifications were made to the Haewene Brim floating production, storage and offloading vessel (FPSO), which is used to produce hydrocarbons at the Pierce field. A new subsea gas export line was also installed, connecting to the SEGAL pipeline system, which brings gas ashore at St Fergus, north of Aberdeen.

Shell Upstream Director, Zoe Yujnovich, said “the completion of this major project is testament to Shell’s long-standing commitment to the UK North Sea. We took this investment decision in 2019, and it is now increasing locally produced gas right at the time when this additional supply is critically important for the UK’s energy security. It’s a source of huge satisfaction when projects like Pierce come to fruition.”

To enable the upgrade, the FPSO, which is owned and operated by Bluewater, stopped producing in October 2021. It then spent six months in dry dock where it was transformed into a vessel that could also produce gas, which had previously been re-injected into the reservoir.

Peak production is expected to reach 30,000 barrels of oil equivalent per day, which is more than twice the production prior to the redevelopment, with more gas being produced than oil. The gas will be sent through newly installed subsea pipelines and the oil will be transported by tanker, as before.

The redevelopment of the field is consistent with the UK Government’s North Sea Transition Deal and Shell’s Powering Progress strategy, providing the energy people need today while helping to fund investments in the low-carbon energy system of the future. Other recent UK projects include Shell’s plans to develop floating offshore wind in Scotland which could bring clean energy to power the equivalent of 6 million homes, the
Jackdaw gas field, as well as our commitment to growing the UK’s electric vehicle charging infrastructure.

Additional Information
  • The Pierce field lies around 165 miles (265km) east of Aberdeen, Scotland, in water depths of around 262 feet (85m). It was discovered in 1975, with oil being produced since 1999.
  • The redevelopment of the Pierce field is part of Shell UK’s broader intent to invest £20-25 billion in the UK energy system in the next decade, subject to Board approval and a stable investment climate, 75% of which will be focused on the development of low and zero-carbon products and services. To deliver this significant investment, projects must remain economically viable under the recently revised UK tax regime.
  • The Pierce project is one of eight investment decisions Shell UK took in 2018 and 2019 alone in order to sustain North Sea production. These projects ranged from major redevelopments such as Pierce and Penguins, to tiebacks from fields such as Fram and Arran to existing platforms.
  • Shell companies information: BG Great Britain Limited 20%; Enterprise Oil Limited (EOL) 42.79%, Shell EP Offshore Ventures Limited (SEPOV) 19.73%, Shell Upstream Overseas Services (I) Limited (SUOSL) 10% Co-venturer: Ithaca Energy (UK) Limited (Ithaca) 7.48%
  • The FPSO Haewene Brim is operated by Pierce Production Company Limited, a Bluewater company, and is producing oil from the Pierce field for its client Enterprise Oil Limited, in its capacity as the Pierce operator for and on behalf of the Pierce Owners. Enterprise Oil Limited is a subsidiary of Shell U.K. Limited.
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