The geology of the Silsbee Oil and Gas Field, Hardin County, Texas

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dc.creatorBlack, Jennie Prince, 1868-1945
dc.date.accessioned2022-07-27T17:26:49Z
dc.date.available2022-07-27T17:26:49Z
dc.date.copyright1947
dc.date.issued1947
dc.description.abstractThe Silsbee Oil and Gas Field is located in northeastern Hardin County, about twenty-six miles north of Beaumont, Texas. The surface formation is the Lissie of Pleistocene Age. Oil and gas production is being obtained from sands of the Claiborne group of the Eocene. The deepest well so far drilled penetrated 617 feet of the Wilcox formation, but no production resulted from that formation. The structure was discovered by geophysics. The first indication was a torsion balance minimum which was interpreted to be the result of a deep-seated salt dome. A reflection seismograph survey followed which confirmed the presence of the structure but shifted its location about two miles to the west of the position indicated by the torsion balance. Subsequent drilling has shown the structure very nearly to coincide with the torsion balance anomaly. The Silsbee structure is a strike fold associated with a down-toward-the-Gulf strike fault; closure on the down-thrown side. Isopach studies indicate the structure was present and probably growing during deposition of the Yegua sands, which form the petroleum reservoirs in the field. This was likely an important factor in the accumulation of oil and gas in these sands. Structural movement is shown following the close of the Yegua cycle of deposition and prior to Vicksburg deposition. Following Vicksburg deposition, a period relative quiesence ensued which lasted until after the deposition of the Catahoula formation of the Miocene, There is evidence of movement since deposition of this formation. The origin of the Silsbee structure presents an interesting question as to whether it may be ascribed solely to normal tension or "slump" faulting, or whether it is the result of the positive uplift of a deep- seated salt dome. The writer is of the opinion that the evidence indicates salt movement was at least a conttibuting factor in the forming of the structure.
dc.description.departmentEarth and Atmospheric Sciences, Department of
dc.format.digitalOriginreformatted digital
dc.format.mimetypeapplication/pdf
dc.identifier.other17821341
dc.identifier.urihttps://hdl.handle.net/10657/10643
dc.language.isoen
dc.rightsThis item is protected by copyright but is made available here under a claim of fair use (17 U.S.C. Section 107) for non-profit research and educational purposes. Users of this work assume the responsibility for determining copyright status prior to reusing, publishing, or reproducing this item for purposes other than what is allowed by fair use or other copyright exemptions. Any reuse of this item in excess of fair use or other copyright exemptions requires express permission of the copyright holder.
dc.titleThe geology of the Silsbee Oil and Gas Field, Hardin County, Texas
dc.type.dcmiText
dc.type.genreThesis
dcterms.accessRightsThe full text of this item is not available at this time because it contains documents that are presumed to be under copyright and are accessible only to users who have an active CougarNet ID. This item will continue to be made available through interlibrary loan (ILL) to other libraries, as when it was only available in print.
thesis.degree.departmentGeology, Department of
thesis.degree.disciplineGeology
thesis.degree.grantorUniversity of Houston
thesis.degree.levelMasters
thesis.degree.nameMaster of Science

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