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The AAPG/Datapages Combined Publications Database

Environmental Geosciences (DEG)

Abstract

Environmental Geosciences, V. 26, No. 1 (March 2019), P. 1-20.

Copyright ©2019. The American Association of Petroleum Geologists/Division of Environmental Geosciences. All rights reserved.

DOI: 10.1306/eg.01241817019

Developing porosity–permeability transforms in two important oil-bearing formations in Ohio: The Clinton Sandstone and the Copper Ridge Dolomite

Jared Hawkins,1 Srikanta Mishra,2 and Bryan O’Reilly3

1Battelle Memorial Institute, Columbus, Ohio; [email protected]
2Battelle Memorial Institute, Columbus, Ohio; [email protected]
3Battelle Memorial Institute, Columbus, Ohio; [email protected]

ABSTRACT

Porosity–permeability transforms were generated using an extensive data set covering two oil-bearing formations in Ohio: the Clinton Sandstone in eastern Ohio and the Copper Ridge Dolomite in central Ohio. The reservoirs were selected because of their historical importance as oil producers and their potential as targets for CO2 use for enhanced oil recovery and associated geological storage. The porosity-permeability transforms generated in this study have coefficients of determination that are nearly double those in the published literature. Methods applying other information (e.g., lithofacies type and reservoir depth) to improve the transforms are also discussed. Ultimately, it was determined that although subdividing the Clinton Sandstone data by geologically similar areas constrained the porosity and permeability values, the data for most areas were too limited to yield robust correlations. Thus, the range of possible outcomes should be determined using the transform derived from all available data. The Copper Ridge values were largely not constrained when subdivided by depth.

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