Mars Oil And Gas Field

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USA Oil & Gas Fields

Shell Oil & Gas Fields

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Summary Information

  • Operator: Shell
  • Country: USA
  • Location: Mississippi Canyon Blocks 762, 763, 764, 765, 766, 806, 807, 808, 809, 810, 850, 851, 853 & 854, Gulf of Mexico
  • Production start: 1996
  • Partners: Shell (71.5% & operator) and BP (28.5%)
  • Type: Oil & Gas
  • Estimated Reserves:
  • Production Volume:


  • One of the largest oil fields in the Gulf, the development utilises a tension leg platform (TLP) installed in 2,933 feet of water
  • Oil is transported via the Mars Crude Oil Pipeline to the Fourchon terminal and the Clovelly Terminal
  • The Europa Oil And Gas Field is tied back to the Mars Platform
  • Gas is transported on the Mississippi Canyon Gas Pipeline
  • Mars B Project:
    • The development is centred around a Tension Leg Platform, the Olympus drilling and production platform
    • It is the largest, floating deep-water platform in the Gulf of Mexico
    • The Shell Mars B development includes subsea wells at the West Boreas and South Deimos fields, export pipelines, and a shallow-water platform, located at West Delta 143, near the Louisiana coast.


  • Belleli: Construction of TLP
  • Nexans: E/H Umbilical

Mars B Project:

  • Samsung: Construction of TLP Hull
  • Kiewit: Fabrication and integration of a 5,000-ton, 192 person-on-board (POB) living quarters for the Shell Olympus Topsides
    • Dril-Quip: Subsea wellhead equipment, production riser tieback connectors and drilling riser components for the Olympus TLP
    • FMC Technologies: Six subsea production trees, each rated at 15,000 psi & manufacture and provide subsea and topside controls, one manifold and related systems and equipment
    • Technip: Supply of Umbilical
    • Nexans: Deimos E/H Umbilical


  • 1989 - Mars Oil And Gas Field discovered
  • 1996 - Mars TLP installed
  • 1996 - First oil produced
  • 2010 - Final investment decision for the Mars B project
  • 2014 - Mars B production comes on stream



  1. International Protective Coatings Platform References
  2. Nexans Norway Umbilical References
  3. Samsung Platform References
  4. Gulf Of Mexico Permanent Deepwater Structures
  5. Gulf Of Mexico Deepwater Natural Gas And Oil Qualified Fields
  6. Mars B, Shell
  7. Kiewit, Project
  8. New growth for Shell in Upstream Americas
  9. Dril-Quip, Inc. Awarded $27 Million Contract for the Supply of Subsea Equipment
  10. FMC Technologies to Supply Subsea Systems for Shell Offshore Inc.'s West Boreas Project
  11. Technip awarded umbilical contracts in the US
  12. Shell starts production from second Mars platform in deep water Gulf of Mexico

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