Appomattox Oil Field

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Summary Information

  • Operator: Shell
  • Country: USA
  • Location: Mississippi Canyon Block 392, Gulf of Mexico
  • Production start:
  • Partners: Shell - 80%, Nexen - 20%
  • Type: Oil / Gas
  • Estimated Reserves:
  • Production Volume: Peak production est. 175,000 barrels of oil equivalent (boe) per day


  • The Appomattox development will initially produce from the Appomattox and Vicksburg fields
  • The Appomattox development host will consist of a semi-submersible, four-column production host platform, a subsea system featuring six drill centres, 15 producing wells, and five water injection wells.
  • The Mattox Pipeline which is to be constructed, is a 24-inch corridor pipeline that will transport crude oil from the Appomattox host to an existing offshore structure
  • Peak production estimated to reach approximately 175,000 barrels of oil equivalent (boe) per day
  • The nearby discoveries at the Gettysburg and Rydberg prospects could be developed via tiebacks


  • FMC Technologies: Enhanced Vertical Deepwater Trees, subsea manifolds, topside controls, a control system, and a distribution system
  • Oceaneering: Electro-hydraulic steel tube control umbilicals, totaling approximately 60 kilometers (37 miles)


  • 2010 - Appomattox Oil Field discovered
  • 2012 - Further reserves discovered in the Northern section of the field
  • 2013 - Vicksburg oil field discovered
  • 2015 - Final investment decision taken


  • The Appomattox structure is comprised of three large fault blocks in the Norphlet formation, which dates back 150-200 million years ago to the Jurassic period


  1. Gulf Of Mexico Deepwater Natural Gas And Oil Qualified Fields
  2. Shell builds eastern Gulf of Mexico portfolio with significant new oil discovery
  3. Appraisal success at Appomattox discovery
  4. Nexen Confirms Resource Additions at Appomattox
  5. Gulf of Mexico Success at Shell’s Vicksburg “A” Well
  6. Shell takes final investment decision for the Appomattox deep-water development in Gulf of Mexico
  7. FMC Technologies Awarded Contract for Shell Appomattox
  8. Oceaneering Announces Shell Appomattox Umbilical Contract

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