Alaska's Interior rift basins: a new frontier for discovery

Gerald K. Van Kooten Petrotechnical Resources Alaska Anchorage Michael Richter Michael Richter Exploration Consulting Franktown, Colo. Pierre A. Zippi LLC Garland, Tex. Oil and gas production in Alaska has historically been limited to the northern and southern margins of the state, primarily in the North Slope and Cook Inlet, but recent drilling, seismic, and exploration data in Interior Alaska suggests potential for large oil and gas fields in rift basins near Nenana and Yukon Flats. Seismic depth calibration to the Nunivak-1 well, drilled to 11,136 ft (11,075 ft true vertical depth) in 2009, suggests the Nenana basin is about 25,000 ft deep. Inversion of gravity data...

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