Simian Sienna Gas Field

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Egypt Oil & Gas Fields

BG Group Oil & Gas Fields

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Summary Information

  • Operator: BG Group
  • Country: Egypt
  • Location: 120 kilometres offshore from Alexandria in the Mediterranean Sea
  • Production start: 2005
  • Partners:
  • Type: Gas
  • Estimated Reserves:
  • Production Volume:


  • The BG-operated Simian Sienna field is located in the West Delta Deep Marine (WDDM) Concession approximately 120 kilometres offshore from Alexandria in the Mediterranean Sea.
  • The offshore facilities consist of eight sub sea wells tied in to the existing WDDM gas gathering network. In addition there is a shallow water control platform.
  • The onshore processing facilities form part of the Idku Gas Hub where the ELNG facilities are also located.


  • Intecsea: Concept Definition Studies and the subsequent FEED
  • Petrojet: Jacket, Deck, Heli-deck & Topside
  • Technip: Design, engineering, procurement, fabrication, installation, testing and commissioning of the Simian/Sienna subsea facilities


  • 2003 - Technip awarded subsea contract
  • 2005 - First gas production



  1. Jotun Platform References
  2. Serimax Pipeline References
  3. BG announces first gas from Simian Sienna and Rosetta Phase Two in Egypt
  4. Intecsea, Burullus Gas Simian/Sienna
  5. Contract award for the subsea development of Simian/Sienna gas field offshore Egypt

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