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Vol. 24, No.7 Week of February 17, 2019
Providing coverage of Alaska and northern Canada's oil and gas industry

PODs submitted for Redoubt, West McArthur

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Glacier Oil and Gas outlines plans of development over next year for two small Cook Inlet fields operated by Cook Inlet Energy

Kristen Nelson

Petroleum News

The Alaska Department of Natural Resources, Division of Oil and Gas, has received new plans of development from Glacier Oil and Gas for the Redoubt and West McArthur River units, both operated by Cook Inlet Energy, a Glacier company.

They are among the smaller fields in Cook Inlet: Alaska Oil and Gas Conservation Commission data for December, the most recent available, show that Redoubt averaged 1,310 barrels per day in that month; West McArthur River averaged 646 bpd.

Plans indicate work to keep the fields producing; West McArthur River POD notes that Glacier is continuing to permit drilling plans for the Sabre prospect.

Redoubt

The Redoubt unit was formed by Forcenergy Inc. in 1997; it reached sustained production in 2002. Glacier’s predecessor, Miller Energy Resources Ltd., acquired Redoubt in late 2009 and undertook redevelopment efforts between 2010 and 2013.

The new Redoubt POD is the 19th for the unit and covers May 1 of this year to April 30, 2020.

Reporting on work accomplished under the 18th POD, Glacier told the division it had proposed examining results of current and planned enhanced recovery waterflood and converting additional nonproducing wells to waterflood if appropriate; drilling and stimulating a sidetrack of the RU-4a wells for use as waterflood injection; and changing out the failed electric submersible pump in the RU-9 well and stimulating that well as needed.

Glacier said it monitored Redoubt waterflood daily but did not complete the sidetrack of RU-4A, deferring that project to the second quarter of 2019. It deferred changing out the failed ESP in the RU-9 well to the third quarter of 2020.

For the 19th POD, Glacier said it plans to sidetrack the RU-6 and use it as a water injection well, work which would replace the company’s plan in the 18th POD to sidetrack the RU-4a.

The company said it anticipates that the ESP in RU-2 will fail this year and plans to replace it in conjunction with the RU-6 sidetrack.

Results of enhanced recovery waterflood efforts will be examined, Glacier said, and additional nonproducing wells may be converted to water injection “if appropriate.”

On the exploration side, Glacier said it is working on plans for wells to evaluate oil and gas potential north of the Redoubt Northern Fault Block and would resume plans to drill when economic conditions justify that work.

In the next year Glacier said it plans to drill and stimulate a sidetrack to RU-6 and use that sidetrack “as a waterflood injection well to further enhance production,” and is considering plans for additional produced water disposal. “Redoubt is a mature field and we are reaching the practical limit for water disposal using currently available methods,” Glacier said, adding that it “is considering alternatives to allow continued production to the economic limit of the field.”

No additional facilities are planned but the company said it would make minor modification to the Osprey platform “and add additional space for surface ESP support equipment.”

West McArthur River

The POD for West McArthur River is the 28th for that unit which was formed in 1990 over leases held by Stewart Petroleum, which drilled the WMRU No. 1 well in 1991, with first production in 1991 and first sustained production in 1993.

There are currently three producing wells in the unit, two in the Area No. 1 participating area and one in the Sword PA.

The POD just submitted would cover May 1 this year through April 30, 2020.

Plans in the 27th POD included continued analyzing of production within the WMRU and enhancing production through perforation adds, well workovers and pump replacements.

Glacier said it continues to monitor production to maximize uptime and conducted “small optimization and well maintenance operations to prolong field life” during the 27th POD, completing all operations discussed in that POD.

For the 28th POD, Glacier said it will maintain an outstanding health safety and environment record at the unit and “continue to explore ways to enhance production, manage production decline, and increase total ultimate recovery from existing wells.”

Glacier said it has filed a permit request with the AOGCC to dispose of produced water by converting shut-in wells to produced water disposal wells. Four shut-in wells are listed in the POD.

The company also said it continues to permit drilling plans for the Sabre prospect, which would be drilled from a jack-up rig, likely the Spartan 151. Glacier said it is seeking partners in Sabre.

For the coming year the company said it would continue to analyze production from all wells within the unit and enhance production “as appropriate through perforation adds within wells, well workovers, and pump replacements.”

No additional permanent facilities are planned.



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