High Island Offshore Natural Gas Pipeline System

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Summary Information

  • Source: Western Gulf of Mexico
  • Destination:
  • Ownership: Enterprise
  • Website: http://www.enterpriseproducts.com/
  • Length: kilometres (287 miles)
  • Capacity: 500 (MMcf/d)
  • Status: Operating


  • HIOS, consists of a 291-mile pipeline system that transports natural gas from producing fields located in the Galveston, Garden Banks, West Cameron, High Island and East Breaks areas of the Gulf of Mexico
  • It is a FERC-regulated entity
  • It connect to numerous downstream pipelines off the coast of Louisiana including ANR Pipeline Company and Tennessee Gas Pipeline, UTOS and Stingray Gas Pipeline.


  • 1994 - Platform retrofit
  • 2004 - Enterprise acquires the pipeline in GulfTerra deal
  • 2008 - The pipeline suffered minor damage in hurricane Ike
  • 2015 - Genesis agrees to acquire the pipeline

Other Information

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  1. Offshore Natural Gas, Enterprise
  2. Fiberbond Offshore Platform References
  3. Foundocean North And South America Subsea References
  4. Enterprise and GulfTerra to Merge Forming $13 Billion Midstream Energy Partnership
  5. Enterprise Resumes Full Service on High Island Offshore System Natural Gas Pipeline in the Gulf of Mexico
  6. Enterprise to Sell Offshore Gulf of Mexico Business to Genesis

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