Details of Alaska blowouts

North Slope blowouts:

• 1949 -- Simpson Core Test No. 16 at Cape Simpson; while drilling an exploration well; gas to surface.

• 1950 -- Simpson Core Test No. 26 at Cape Simpson; while drilling an exploration well; oil to surface.

• 1951 -- Gubik No. 2 near Umiat; while drilling an exploration well; gas to surface.

• 1969 -- Kavik No. 1 near the Canning River on the eastern North Slope; while drilling an exploration well; gas to surface.

• 1976 -- NGI-7 at Prudhoe Bay; while working over a development well; gas to surface.

• 1979 -- CPF1-23 at Kuparuk River field; while drilling a disposal well; gas to surface.

• 1986 -- F-20 at Prudhoe Bay; while drilling a development well; gas to surface.

• 1987 -- J-23 at Prudhoe Bay; while completing a development well; gas to surface.

• 1992 -- Cirque No. 1 in central North Slope; while drilling an exploration well; gas to surface.

• 1994 -- I-53/Q-20 at Endicott field; while drilling a development well; gas to surface.

Cook Inlet region blowouts:

• 1962 -- Beluga River 212-35 onshore west side of Cook Inlet; development well; gas to surface.

• 1962 -- MGS State 17595 No. 1 at Middle Ground Shoal in the inlet; exploration well; gas to surface.

• 1962 -- Cook Inlet State No. 1 in the inlet; exploration well; gas to surface.

• 1965 -- Mobil Moquawkie No. 1 onshore west side of Cook Inlet; exploration well; gas to surface.

• 1967 -- Beaver Creek unit 1-A on the Kenai Peninsula; development well; gas to surface.

• 1985 -- Trading Bay unit G-10RD on the Grayling platform in Cook Inlet; development well; gas to surface.

• 1987 -- Trading Bay unit M-26 on the Steelhead platform in Cook Inlet; development well; gas to surface.

• 2008 -- Moquawkie No. 4 onshore west side of Cook Inlet; development gas well; gas to surface.