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The AAPG/Datapages Combined Publications Database

GCAGS Transactions

Abstract


GeoGulf Transactions
Vol. 70 (2020), No. 1., Pages 249-250

Extended Abstract: Facies Mapping of the Utica Shale, Point Pleasant, and Trenton/Lexington Formations in Northeastern Ohio

Kaleb Kirk

Abstract

The Ordovician Utica shale Previous HitplayNext Hit is a major oil and gas producing interval in the Appalachian Basin. The Utica shale Previous HitplayNext Hit can be found as far as New York and Canada into Indiana and Kentucky. The Utica shale Previous HitplayNext Hit consists of the Utica shale, Point Pleasant Formation, and Trenton/Lexington limestones. The shallow marine fossiliferous limestones of the Trenton and shallow marine shaly limestones of the Lexington are overlain by an interbedded shale and limestone of the Point Pleasant Formation, which grade into the deeper marine interbedded shales and limey shales of the Utica. Previous research of the Previous HitplayNext Hit covers multiple states. Geochemical and petro-physical data has been conducted for the Previous HitplayNext Hit with little to no research being done on using litho-facies and electro-facies to understand the relationship of total organic content (TOC) to density or other factors. The data collected from lithofacies and electrofacies are correlated with production to better understand the driving mechanisms for the Utica shale Previous HitplayNext Hit. The use of Kline Por 3 (#6434) core and petrophysical logs provided by the Ohio Geological Survey and Department of Natural Resources from the research area, are the data for the litho-facies and electro-facies. The use of a computer program called Geologic Previous HitAnalysisTop via Maximum Likelihood System (GAMLS) will create well to well cross sections. This will take well logs and separate the lithologies into groups based on the different combinations of petrophysical data. This will provide a model for the identified lithofacies and electrofacies patterns and/or trends in northeastern Ohio (Fig. 1).


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