Tubular Bells Oil And Gas Field

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USA Oil & Gas Fields

Hess Oil & Gas Fields

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Summary Information

  • Operator: Hess
  • Country: USA
  • Location: Mississippi Canyon Blocks 682, 683, 725 & 726, Gulf of Mexico
  • Production start: 2014
  • Partners: Chevron, BP
  • Type: Oil / Gas
  • Estimated Reserves:
  • Production Volume:


  • Tubular Bells is located approximately 135 miles southeast of New Orleans in the Mississippi Canyon area. The field lies in water depths ranging from 4,300 to 4,600 feet.
  • The plan initially calls for three subsea production wells and two water injection wells from two subsea drill centers tied back to a third-party owned spar production facility, the first of its kind to be constructed entirely in the United States.
  • Annual gross production is expected to peak in the range of 40,000-45,000 barrels of oil equivalent per day. Total estimated recoverable resources for Tubular Bells are estimated at more than 120 million barrels of oil equivalent. The development is estimated to cost $2.3 billion, with additional commitments for production handling, export pipeline, and oil and gas gathering and processing services.


  • Williams Partners:
    • Production handling, export pipeline, oil and gas gathering and gas processing services
    • Design, construct and install its Gulfstar FPS with a capacity of 60,000 barrels of oil per day, up to 200 million cubic feet of natural gas per day (MMcf/d) and the capability to provide seawater injection services
  • Alliance Engineering: Detailed engineering and design of the topside facilities and deck for spar production platform
  • Technip: Design, engineering, fabrication and subsea installation of more than 28 miles (45 kilometers) of flowlines(1), steel catenary risers(2), pipeline end terminations, piles and structures.
  • Balltec: Manufacture of 10 off 15,000kN MoorLOK™ connectors for the mooring of the Williams floating production system (FPS)
  • Crowley: Ocean towing services for the Tubular Bells topside


  • 2003 - Tubular Bells Oil And Gas Field discovered
  • 2010 - Hess acquires a further 20% from BP and becomes operator
  • 2011 - Final investment decision made
  • 2012 - Alliance Engineering awarded detailed topsides engineering and design for Gulfstar One
  • 2013 - Marubeni acquires 49% of platform
  • 2014 - Oil production commenced



  1. Gulf Of Mexico Deepwater Natural Gas And Oil Qualified Fields
  2. Serimax Pipeline References
  3. Amerada Hess Announces New Discovery in Deepwater Gulf of Mexico
  4. Hess Increases Share in Tubular Bells Field and Becomes Operator
  5. Hess Announces Plan to Develop Tubular Bells Field in the Gulf of Mexico
  6. Williams Partners Signs Agreements with Hess, Chevron for Gulfstar FPS
  7. Alliance Engineering awarded detailed topsides engineering and design for Williams Partners’ Gulfstar One, Tubular Bells Field
  8. Technip awarded subsea contract for the Tubular Bells development in the Gulf of Mexico
  9. Participation in Floating Production Platform Project for Tubular Bells Field in the Gulf of Mexico
  10. Balltec Secures Tubular Bells Contract
  11. Crowley Tugs Deliver Tubular Bells Topside to the Deep Waters of U.S. Gulf of Mexico
  12. Hess Corporation Announces First Production from the Tubular Bells Field in the Gulf of Mexico

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