Beluga River Gas Field

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Summary Information

  • Operator: ConocoPhillips
  • Country: USA
  • Location: Alaska
  • Production start: 1968
  • Partners:
  • Type: Gas
  • Estimated Reserves:
  • Production Volume:


  • The Beluga River Gas Field serves major customers in Southcentral Alaska, including local utilities and industrial consumers. Beluga River production also is used as supplemental supply for the Kenai Alaska Lng Terminal.


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  • 1962 - Beluga River Gas Field discovered
  • 1968 - First gas produced


  • The Beluga River structure is a broad, north-northeastern trending fault propagation fold with a steep dipping reverse fault on the west side.
  • The field produces from two Tertiary-aged formations: the high net-to-gross Pliocene-aged Sterling Formation and the underlying, low net-to-gross Miocene-aged Beluga Formation.
  • Gross reservoir thickness is up to 3,200 feet, and it consists of dozens of stacked channel belt and crevasse splay sands encased in relatively impermeable siltstone, mudstone and coal.
  • The sand deposits are discontinuous, relatively small in size, and their reservoir quality varies with composition (feldspathic litharenite to argillaceous litharenite) and degree of compaction.
  • Ubiquitous interbedded thin and widespread coals source the tremendous volume of biogenic gas trapped within the field.


  1. ConocoPhillips, Alaska’s Key Assets
  2. AOGCC, Beluga River Field

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