An Investigation into the Relative Effectiveness of CO2 and Hydrocarbon Gas as an EOR Injectant for a Marginal Onshore USA Sandstone Reservoir

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dc.contributor.advisorKostarelos, Konstantinos
dc.contributor.committeeMemberPalayangoda, Sujeewa
dc.contributor.committeeMemberHatzignatiou, Dimitrios G.
dc.creatorSelveindran, Anand
dc.date.accessioned2019-09-18T00:18:51Z
dc.date.available2019-09-18T00:18:51Z
dc.date.createdAugust 2017
dc.date.issued2017-08
dc.date.submittedAugust 2017
dc.date.updated2019-09-18T00:18:52Z
dc.description.abstractCO2 injection is a widely employed and highly successful method for Enhanced Oil Recovery (EOR) onshore USA. Despite the benefits, there are significant challenges to CO2 injection, including corrosion and adverse rock–mineral interactions. Furthermore, CO2 supply is not always easily available, and gas transportation costs may be prohibitive especially for marginal assets. The shale boom has flooded the market with natural gas, with an accompanying drop in gas prices. The relative abundance of hydrocarbon gas warrants investigation into the viability of using this gas as a CO2 substitute. Coreflooding and slimtube experiments were carried out to compare the effectiveness of supercritical hydrocarbon gas and CO2 injection for enhanced oil recovery. These experiments were used to calibrate a numerical simulation model. Different blends of hydrocarbon gasses were assessed as EOR injectants resulting in the proposal of a gas mixture with displacement efficiencies comparable to CO2.
dc.description.departmentPetroleum Engineering, Department of
dc.format.digitalOriginborn digital
dc.format.mimetypeapplication/pdf
dc.identifier.urihttps://hdl.handle.net/10657/4774
dc.language.isoeng
dc.rightsThe author of this work is the copyright owner. UH Libraries and the Texas Digital Library have their permission to store and provide access to this work. Further transmission, reproduction, or presentation of this work is prohibited except with permission of the author(s).
dc.subjectEOR
dc.subjectCO2
dc.titleAn Investigation into the Relative Effectiveness of CO2 and Hydrocarbon Gas as an EOR Injectant for a Marginal Onshore USA Sandstone Reservoir
dc.type.dcmiText
dc.type.genreThesis
thesis.degree.collegeCullen College of Engineering
thesis.degree.departmentPetroleum Engineering, Department of
thesis.degree.disciplinePetroleum Engineering
thesis.degree.grantorUniversity of Houston
thesis.degree.levelMasters
thesis.degree.nameMaster of Science

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