Depositional and diagenetic controls on reservoir quality and petrophysical responses of the DeBroeck Member of the Rodessa Formation in Northwest Louisiana.

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dc.contributor.advisorDworkin, Stephen I.
dc.creatorByram, Ian M., 1990-
dc.date.accessioned2017-01-19T17:34:09Z
dc.date.available2017-01-19T17:34:09Z
dc.date.created2016-12
dc.date.issued2016-11-21
dc.date.submittedDecember 2016
dc.date.updated2017-01-19T17:34:09Z
dc.description.abstractThe DeBroeck Member of the Lower Cretaceous Rodessa Formation is an overlooked hydrocarbon reservoir in Northwest Louisiana. The formation was deposited on a carbonate platform within the North Louisiana Salt Basin. Core analysis identified fourteen lithofacies within the DeBroeck Member with maximum porosity and permeability values of 21.3% and 49.6 mD. The lithofacies indicate a shallow, open marine depositional environment. Porosity is present as primary interparticle/intraparticle and secondary moldic. Petrographic and SEM imaging show that porosity and permeability are affected by carbonate mud recrystallization and calcite, anhydrite, and pyrite cementation. Diagenesis occurred in three stages: marine, meteoric, and burial, with all stages affecting porosity and permeability. Advanced porosity analysis determined that large amounts of microporosity/irreducible water are present within the formation, causing the resistivity log response to appear ‘water-wet’. Backscatter SEM image analysis shows that pyrite is locally abundant and interconnected within stylolites, which also affects the formation’s petrophysical response.
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/2104/9910
dc.language.isoen
dc.rights.accessrightsWorldwide access.
dc.rights.accessrightsAccess changed 5/23/22.
dc.subjectGeology. Rodessa. Carbonate. Petroleum.
dc.titleDepositional and diagenetic controls on reservoir quality and petrophysical responses of the DeBroeck Member of the Rodessa Formation in Northwest Louisiana.
dc.typeThesis
dc.type.materialtext
local.embargo.lift2021-12-01
local.embargo.terms2021-12-01
thesis.degree.departmentBaylor University. Dept. of Geosciences.
thesis.degree.grantorBaylor University
thesis.degree.levelMasters
thesis.degree.nameM.S.

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