Abstract

The Moose Mountain area, situated along the front range of the Canadian Rockies, 32 miles northwest of the Turner Valley oil field, Alberta, is characterized by a large domal structure that is approximately 10 miles long and 3 miles wide, and across which is exposed a series of beds that range in age from Cretaceous to Lower Carboniferous. This structural feature has been drilled at three separated locations, resulting in two very small wells and a failure. The tests were started only a few hundred feet above the Mississippian-Devonian contact. The dry hole, drilled by the McColl-Frontenac Oil Company, was carried about 2,700 feet below the top of the Cambrian; the other wells are deriving gas and oil from rocks of Devonian age. There are bituminous limestone zones in the lower part of the Devonian that are extremely porous where they crop out north and south of the Moose Mountain area; but in the McColl-Frontenac test, where these bituminous beds were encountered structurally high, the pore spaces and fractures were filled with secondary calcite.

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