Alaska September Oil Output Jumps 30% as Maintenance Ends

Alaska North Slope oil production rose 30 percent in September from the previous month as fields operated by BP Plc (BP/) and ConocoPhillips (COP) resumed production after annual maintenance ended.

Production averaged 516,296 barrels a day in September, up from 398,643 in August, the state’s tax division said on its website.

Production from Prudhoe Bay fields operated by BP rose to 271,444 barrels a day from 177,182 in August, when two fields, Milne Point and Northstar, and three Prudhoe Bay facilities were shut for maintenance during part of the month, said Dawn Patience, a BP spokeswoman in Anchorage.

“Operations are back to normal, and our maintenance season, which typically takes place in the summer because otherwise we are in arctic conditions, has wrapped up,” Patience said.

Production from ConocoPhillips’s Alpine field rose to 73,997 barrels a day from 55,369 barrels a day in August, when it was in maintenance during the first 10 days of the month, said Natalie Lowman, a spokeswoman in Anchorage.

September production was down 15 percent from the North Slope’s year-earlier average of 608,680 barrels a day.

Alaska North Slope crude was priced at $110.48 a barrel today, $18 above the U.S. benchmark West Texas Intermediate, according to data compiled by Bloomberg.

To contact the reporters on this story: Lynn Doan in San Francisco at; Edward Welsch in Calgary at

To contact the editor responsible for this story: Richard Stubbe at

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