Judy Joanne And Jade Gas And Condensate Fields

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UK Oil & Gas Fields

Conoco Oil & Gas Fields

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Summary Information

  • Operator: Conocophillips
  • Country: UK
  • Location: central North Sea
  • Production start:
  • Partners:
  • Type: Oil / Gas
  • Estimated Reserves:
  • Production Volume:


  • The Judy/Joanne (J-Block) gas condensate/oil fields and Jade gas condensate field are located in the central North Sea.
  • The Joanne field is a sub-sea development tied back to the manned Judy platform through two 5.5 kilometre pipelines. The Judy/Joanne fields currently produce from 16 wells.
  • Jade was developed using a normally unmanned wellhead platform and currently produces from eight wells. Production from Jade is exported via a sub-sea pipeline to the Judy platform where it is commingled and processed with Judy and Joanne production.
  • Gas processed on the Judy platform is transported through the CATS Central Area Transmission System Gas Pipeline to the Teesside Gas Processing Plant TGPP and liquids are transported to Teesside through the Norpipe system.


  • Consorzio Ital Offshore: Judy Wellhead Platform consrtuction
  • Saipem: "J" Block Judy Wellhead Platform - T&I
  • BiFab: EPC contract for Judy Accommodation Unit
  • FoundOcean: Grouting for Platform & Subsea Structures


  • Heerema: Platform construction
  • Saipem: Installation of the Jade Platform & pipelines
  • J P Kenny: Detail design and review of vendor data for CRA cladding of 16 inch tie-in spool
  • FoundOcean: Grouting for Platform
  • Global Maritime: Warranty surveyor for conventional pipelay
  • Nessco: Communication systems


  • 1993 - Judy & Joanne field development approved
  • 2000 - Jade development given government approval
  • 2002 - Production started at Jade



  1. BG Group, Databook
  2. UK Oil and Gas Fields by Approval Date
  3. List Of Oil Production Platforms In The UK
  4. Saipem Fixed Offshore Production Facilities Project References
  5. Saipem Europe Pipeline References
  6. Bifab Platform References
  7. FoundOcean Europe Subsea References
  8. International Protective Coatings Platform References
  9. J P Kenny Subsea References
  10. Nessco Platform References
  11. Global Maritime Pipeline References
  12. The Jade Field, Offshore Petroleum Production And Pipe-Lines (Assessment Of Environmental Effects) Regulations 1999 Licence P 672 - Licence Having Effect Under The Petroleum Act 1998

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