Alaska North Slope production averaged 537,367 barrels per day in March, up 4.79 percent from a February average of 512,795 bpd. The largest gain - by percent and by barrel - was at the BP Exploration (Alaska)-operated Prudhoe Bay field, the Slope's largest. Production there averaged 314,499 bpd in March, up 7 percent (20,586 bpd) from a February average of 293,913 bpd. The ConocoPhillips Alaska-operated Kuparuk River field also had a month-over-month increase, averaging 139,878 bpd in March, up 2.95 percent (4,003 bpd) from a February average of 135,875 bpd. Crude oil production from Cook Inlet in Southcentral Alaska averaged 18,231 bpd in February, up 1 percent from a January average of 18,050 bpd. - KRISTEN NELSON See stories in April 5 issue, available online Friday, April 3 at www.PetroleumNews.com