Cavendish Gas Field

Summary Information

• Operator: Ineos
• Country: UK
• Location: 140 km north-east of Easington on the Lincolnshire coast and 180 km north of Bacton on the Norfolk coast
• Production start: 2007
• Partners: RWE - 50%, Dana Petroleum 50%,
• Type: Gas
• Estimated Reserves:
• Production Volume: initial production rates of 1,6 million m3

Description

• No longer in production
• The Cavendish field was discovered in 1989 and development sanction was granted in 2005.
• The Cavendish NUI comprises a piled steel jacket supporting topsides of five decks, plus a helideck. A facilities building extends over two decks.
• Produced gas and condensate, from three wells, at Cavendish was exported via a 47.35km long 10.75” export pipeline, to the Murdoch platform, part of the Caister Murdoch Gas Fields operated by Harbour Energy.
• Gas is then transported onward to the Theddlethorpe Gas Processing Plant in the UK.

Contractors

• Technip: Pipelay contract for the 48 km export pipeline from the Cavendish Field to the Murdoch facilities
• Heerema: Contract to engineer, procure and construct (EPC) a NUI (normally unmanned installation)
• Seaway Heavy Lifting: Installation of Minimum Facility Platform
• Micoperi:
  • Installation of subsea pipeline 10” plus 3” piggy back 45 km long
  • Cavendish Platform Installation

History

• 1989 - The Cavendish field was discovered
• 2005 - Development sanction was granted
• 2006 - Pipelay contract awarded to Technip
• 2007 - First gas produced
• 2015 - Ineos acquired the field from DEA
• 2018 - Production ceased
• 2020 - Approval granted for decommissioing

Links

1. UK Oil and Gas Field Approved Decommissioning Programmes
2. Micoperi Offshore And Platform References
3. Micoperi Offshore Pipeline References
4. Seaway Heavy Lifting Oil And Gas References
5. Cavendish Gas Field Begins Production
6. RWE, UK Activities
7. Cavendish Field Development: Pipelay contract awarded to Technip Offshore UK Ltd
8. Heerema Vlissingen awarded the Cavendish Platform contract
9. RWE Dea UK receives development go ahead for Cavendish gas field in the UK Southern North Sea
10. INEOS completes deal to acquire DEA UK North Sea gas fields