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Devon Energy increases its share at Cosmopolitan unit
Kristen Nelson
There has been a change in working interest ownership at the Cosmopolitan unit in Southcentral Alaska.
Devon Energy has increased its ownership position in the unit, picking up half of the working interest of Forest Oil in the exploration unit adjacent to shore off Cook Inlet’s lower Kenai Peninsula.
Devon had held a 5 percent interest in the seven state of Alaska leases in the unit, and has added to that half of Forest’s 25 percent working interest, effective Aug. 1. ConocoPhillips Alaska retains a 70 percent working interest. Devon now has a 17.5 percent and Forest now has a 12.5 percent.
The discovery well, Starichkof State No. 1, was drilled by Pennzoil Co. in 1967, northeast of the targets in the current drilling program, the Hansen No. 1 and a sidetrack, the Hansen No. 1-A, drilled in 2001-02 and 2003 from an onshore pad.
The Hansen 1 was plugged and abandoned with a measured depth of 18,630 feet and a true vertical depth of 7,418. The Hansen 1A sidetrack was completed as an oil well June 13, 2003, with a measured depth of 20,789 feet and a true vertical depth of 7,102 feet. ConocoPhillips was looking for a partner at NAPE ConocoPhillips Alaska is the unit operator. In February the company was looking for a partner in its 70 percent interest at the North American Prospects Exposition in Houston, Texas, offering to trade working interest ownership for future 3-D seismic and a delineation well.
Forest, which operates the West McArthur River unit on the west side and the Redoubt unit in Cook Inlet, dropped eight Cook Inlet area leases earlier this summer, three on the southeastern edge of Redoubt and five onshore, southwest of West McArthur River.
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