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Characterization of the Upper Cambrian and Lower Ordovician Formations for CO2 Sequestration, Scioto County, Ohio

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/52890

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dc.contributor.advisor Cole, Dave
dc.creator Hull, Brad
dc.date.accessioned 2012-08-08T20:06:19Z
dc.date.available 2012-08-08T20:06:19Z
dc.date.issued 2012-08
dc.identifier.uri http://hdl.handle.net/1811/52890
dc.description.abstract Carbon dioxide sequestration into porous rock intervals beneath the Earth’s surface is an emerging technique of reducing the amounts gaseous CO2 emitted by energy production through the burning of coal/peat. Target intervals of rock must have sufficient pore space, permeability, thickness, depth from the surface, and must be located beneath an impermeable geologic seal to serve as a reservoir for the sequestration of supercritical CO2. The Upper Cambrian-Early Ordovician Knox Supergroup including the Copper Ridge Dolomite, Rose Run Sandstone, and Beekmantown Dolomite formations found within the Aristech Well in Scioto County, Ohio may have all the necessary requirements to serve as a viable combination of CO2 reservoir and geologic seal. This research seeks to characterize samples drawn from these formations on the basis of petrography, porosity, pore size and distribution, permeability, bulk mineralogy, and brine chemistry to distinguish suitable sequestration horizons in conjunction with an overlying caprock. Light microscopy, scanning electron microscopy, mercury porosimetry, and x-ray diffraction analyses established a porous and permeable reservoir interval including the upper Copper Ridge and entire Rose Run overlain by the impermeable Beekmantown Dolomite. The Rose Run Sandstone was the most favorable for CO2 storage, while vertical heterogeneity within the Copper Ridge Dolomite limited the reservoir thickness. Porosity measurements for the reservoir were between 3 and 8%, permeability was 16-50 mDarcies, while the caprock porosity was 1% and permeability of 7 mDarcies. Porosity and pore size distribution between and within samples is controlled by mineralogy, mineral nucleation, diagenesis, and heterogeneity. Volumetric estimations show that the Copper Ridge/Rose Run reservoir could hold up to 5.6 million metric tonnes of supercritical CO2 under the most favorable conditions. en_US
dc.language.iso en_US en_US
dc.publisher The Ohio State University en_US
dc.relation.ispartofseries The Ohio State University. School of Earth Sciences Senior Theses; 2012 en_US
dc.subject Ohio en_US
dc.subject Scioto en_US
dc.subject Copper Ridge Dolomite en_US
dc.subject Rose Run Sandstone en_US
dc.subject Beekmantown Dolomite en_US
dc.subject CO2 en_US
dc.subject Sequestration en_US
dc.title Characterization of the Upper Cambrian and Lower Ordovician Formations for CO2 Sequestration, Scioto County, Ohio en_US
dc.type Thesis en_US
dc.description.embargo No embargo en_US