Kuparuk River Oil Field

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Kuparuk River Oil Field
Kuparuk River Oil Field is located in Alaska
Kuparuk River Oil Field
Kuparuk River Unit's location in Alaska
Country United States
Region Alaska North Slope
Offshore/onshore onshore
Coordinates 70°20′14″N 149°51′01″W / 70.3372°N 149.8504°W / 70.3372; -149.8504Coordinates: 70°20′14″N 149°51′01″W / 70.3372°N 149.8504°W / 70.3372; -149.8504
Operator ConocoPhillips Alaska
Field history
Discovery April 1969, Sinclair's Ugnu 1 well
Start of development 1979
Start of production December 13, 1981
Peak of production 322,000 barrels per day (~1.60×10^7 t/a)
Peak year 1992
Current production of oil 230,000 barrels per day (~1.1×10^7 t/a)
Estimated oil in place 6,000 million barrels (~8.2×10^8 t)

The Kuparuk River Oil Field, or Kuparuk, located in North Slope Borough, Alaska, United States, is the second largest oil field in North America by area. It produces approximately 230,000 barrels per day (~1.1×10^7 t/a) of oil and is estimated to have 2 billion barrels (320×10^6 m3) of recoverable oil reserves.[1] It is named for the Kuparuk River.

Kuparuk was discovered by Sinclair Oil in April 1969 at the Ugnu Number 1 well, named for the nearby Ugnuravik River.[2] Oil was found in the Kuparuk sandstone on the Colville structure.[3] Production was first announced by ARCO in 1979 and planned to start in 1982. Production actually began December 13, 1981, on five small gravel drilling pads. Production was expected to peak in 1986 at 250,000 barrels per day (40,000 m3/d), but did not peak until 1992 at 322,000 barrels per day (51,200 m3/d).[4]

See also[edit]


Further reading[edit]

  • Jamison, H.C., Brockett, L.D., and McIntosh, R.A., 1980, Prudhoe Bay - A 10-Year Perspective, in Giant Oil and Gas Fields of the Decade: 1968-1978, AAPG Memoir 30, Tulsa: American Association of Petroleum Geologists, ISBN 0891813063.

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