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Mississippian Oil Reservoirs in Williston Basin1

By
G. Wendell Smith
G. Wendell Smith
Bismarck, North Dakota; Denver, Colorado; and Regina, Saskatchewan
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George E. Summers, JR.
George E. Summers, JR.
Bismarck, North Dakota; Denver, Colorado; and Regina, Saskatchewan
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Dale Wallington
Dale Wallington
Bismarck, North Dakota; Denver, Colorado; and Regina, Saskatchewan
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Jean L. Lee
Jean L. Lee
Bismarck, North Dakota; Denver, Colorado; and Regina, Saskatchewan
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Published:
January 01, 1958

Abstract

In the Williston basin, oil occurs principally in carbonate reservoirs of the Mississippian which exhibit structural folding of varying intensity, but facies changes are the basic controlling factor of accumulation. Unconformities also constitute an essential part of the flank habitats. Maps and cross sections of many fields in North Dakota, Saskatchewan, and Manitoba illustrate the controlling factors of accumulation. A lithologic cross section of the Madison group from the outcrop in the Little Rocky Mountains of Montana through the depths of the basin to the eastern wedge edge in North Dakota shows the facies changes in this sequence of rocks.

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Contents

AAPG Special Publication

Habitat of Oil

Lewis G. Weeks
Lewis G. Weeks
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American Association of Petroleum Geologists
ISBN electronic:
9781629812434
Publication date:
January 01, 1958

GeoRef

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