NMR Characterization of Fluids in Unconventional Formations

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dc.contributor.advisorHirasaki, George J.en_US
dc.contributor.committeeMemberChapman, Walter G.en_US
dc.creatorChen, Zeliangen_US
dc.date.accessioned2019-05-17T15:55:24Zen_US
dc.date.available2019-05-17T15:55:24Zen_US
dc.date.created2018-08en_US
dc.date.issued2018-07-12en_US
dc.date.submittedAugust 2018en_US
dc.date.updated2019-05-17T15:55:24Zen_US
dc.description.abstractThis thesis presents a fundamental research on unconventional formations where it has been empirically observed that the saturating hydrocarbons have higher Nuclear Magnetic Resonance (NMR) T1/T2 ratio than saturating water. This empirical rule has been exploited as a powerful logging technique for oil and gas industry. But the origin of the high T1/T2 ratio were not clearly understood until now. This research confirms that the saturating heptane in kerogen has higher T1/T2 ratio than water in kerogen and clays, which validates the fluid typing technique providing the wettability. This research also proves that the origin of the high T1/T2 ratio observed on heptane is that the heptane absorbed in kerogen and/or bitumen, where the relaxation mechanism involves the 1H-1H dipole-dipole interaction. The findings in this thesis provide key insight into the high T1/T2 ratio, which can be used to improve the interpretation of NMR logs in terms of fluid typing and saturation estimation.en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationChen, Zeliang. "NMR Characterization of Fluids in Unconventional Formations." (2018) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/105818">https://hdl.handle.net/1911/105818</a>.en_US
dc.identifier.urihttps://hdl.handle.net/1911/105818en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.subjectNMRen_US
dc.subjectOrganic Shaleen_US
dc.subjectUnconventional Formationsen_US
dc.subjectOil and Gasen_US
dc.titleNMR Characterization of Fluids in Unconventional Formationsen_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentApplied Physicsen_US
thesis.degree.disciplineNatural Sciencesen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelMastersen_US
thesis.degree.majorApp Phys/Chem-Biomolecular Engen_US
thesis.degree.nameMaster of Scienceen_US
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