Oil and gas are produced from the Rose Run Sandstone reservoirs and three other units of the Cambrian Knox Dolomite Super-group in Ohio where these rocks subcrop at or close to the Knox unconformity surface and where sufficient porosity is developed.

The Rose Run Sandstone unit, the lowest of the. Beekmantown part of the Knox Dolomite Supergroup, is a reservoir for gas in a narrow, sublinear belt near the western limit of the Rose Run subcrop below the Knox unconformity surface. Other lower formations also produce, such as the Upper Copper Ridge Dolomite which is the reservoir in the well known Cambrian oil fields of Morrow County, Ohio. Small pools have been discovered in the so-called "B" Zone, a glauconitic, sandy formation in northern Ohio. Finally, the Lower Copper Ridge Dolomite is a reservoir for gas in Wayne and Seneca counties, Ohio.

Keywords:
cross section, ordovician, copper ridge dolomite, ohio, society of petroleum engineers, knox unconformity surface, erosion, sandstone unit, chepultepec dolomite, sandstone reservoir
Subjects:
Reservoir Characterization, Exploration, development, structural geology
Copyright 1986, Society of Petroleum Engineers
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