Seasonally warmer temperatures, continued pipeline shut-ins at Lisburne and declining output from older fields resulted in a 3.6 percent drop in Alaska North Slope crude oil production from May to June.
The June average was 792,592 barrels per day compared to an average of 822,413 bpd in May. June production was down 8 percent from June 2005 when production averaged 863,755 bpd.
The BP Exploration (Alaska)-operated Lisburne Production Center, hit by corrosion-driven pipeline shut-ins in May, had the largest percentage May to June production drop, 19 percent. June production from Lisburne averaged 15,308 bpd compared to a May average of 18,938 bpd.
Production at the ConocoPhillips Alaska-operated Alpine field was down 6 percent, averaging 116,077 bpd in June, compared to 123,504 bpd in May.
BP-operated Prudhoe Bay had a 4.3 percent decline from May to June, averaging 369,005 bpd in June compared to 385,765 bpd in May. BP’s Milne Point field averaged 38,800 bpd in June, down 3.2 percent from a May average of 40,060 bpd.
The BP-operated Endicott field averaged 20,402 bpd in June, down 1.7 percent from a May average of 20,764 bpd.
ConocoPhillips-operated Kuparuk River field averaged 176,858 bpd, down 1.7 percent from a May average of 179,920 bpd.
BP-operated Northstar had the only May to June production increase, up 5 percent, averaging 56,142 bpd in June compared to 53,452 bpd in May.
Revenue said the June temperature at Pump Station No. 1 on the North Slope averaged 47.4 degrees Fahrenheit, compared to a five-year June average of 41 degrees F.
Cook Inlet production was down 0.5 percent, averaging 17,370 bpd in June, compared to 17,458 bpd in May.