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The AAPG/Datapages Combined Publications Database
Environmental Geosciences (DEG)
Abstract
Environmental Geosciences, V.
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
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; hawkinsjb@battelle.org
2Battelle Memorial Institute, Columbus, Ohio; mishras@battelle.org
3Battelle Memorial Institute, Columbus, Ohio; boreilly26@gmail.com
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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