Allegheny Oil And Gas Field

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Summary Information

  • Operator: ENI
  • Country: USA
  • Location: Green Canyon Block 254, Gulf of Mexico
  • Production start: 1999
  • Partners:
  • Type: Oil & Gas
  • Estimated Reserves:
  • Production Volume:


  • The King Kong (Green Canyon Blocks 472, 473 & 516) and Yosemite project, is developed by three subsea wells at 1170 meters of water depth, connected to the Allegheny platform, approximately 25 km away
  • The Pegasus field (Green Canyon Block 385) has been developed as a tie back to the Allegheny Tension Leg Platform


  • Gulf Island Fabrication: Allegheny Sea Star Hull construction


  • 1985 - Allegheny Oil And Gas Field discovered
  • 1989 - King Kong discovered
  • 1999 - First production
  • 2002 - Production starts at King Kong and Yosemite
  • 2008 - The Pegasus field came onstream



  1. Gulf Of Mexico Permanent Deepwater Structures
  2. Gulf Of Mexico Deepwater Natural Gas And Oil Qualified Fields
  3. Gulf Island Fabrication Platform References
  4. Eni Announces Production Begins from its King Kong and Yosemite Gulf of Mexico Projects
  5. Eni starts production from a new oil field in the GoM

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