NMR Characterization of Fluids in Unconventional Formations

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dc.contributor.advisorHirasaki, George J.
dc.contributor.committeeMemberChapman, Walter G.
dc.creatorChen, Zeliang
dc.date.accessioned2019-05-17T15:55:24Z
dc.date.available2019-05-17T15:55:24Z
dc.date.created2018-08
dc.date.issued2018-07-12
dc.date.submittedAugust 2018
dc.date.updated2019-05-17T15:55:24Z
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.
dc.format.mimetypeapplication/pdf
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>.
dc.identifier.urihttps://hdl.handle.net/1911/105818
dc.language.isoeng
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.
dc.subjectNMR
dc.subjectOrganic Shale
dc.subjectUnconventional Formations
dc.subjectOil and Gas
dc.titleNMR Characterization of Fluids in Unconventional Formations
dc.typeThesis
dc.type.materialText
thesis.degree.departmentApplied Physics
thesis.degree.disciplineNatural Sciences
thesis.degree.grantorRice University
thesis.degree.levelMasters
thesis.degree.majorApp Phys/Chem-Biomolecular Eng
thesis.degree.nameMaster of Science
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