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| U.S. Geological Survey Open-File Report 2005-1268 |
Published 2005
Version 1.0
Online only
Robert C. Milici
The U.S. Geological Survey recently assessed the undiscovered continuous hydrocarbon resources of the Devonian shale as part of its Appalachian Basin assessment. The assessed Devonian shale constitutes the distal deposits of the Catskill delta from New York to West Virginia, Ohio, and eastern Kentucky. The Devonian shale was divided into four assessment units: the Northwestern Ohio Shale, Greater Big Sandy, Devonian siltstone and shale, and the Marcellus Shale. Together, they contain 12.2 TCFG and 159 MMBNGL at the statistical mean. The assessment units were defined by the net thickness of radioactive black shale, thermal maturity, and stratigraphy.
Milici, R.C., 2005, Assessment of undiscovered natural gas resources in Devonian black shales, Appalachian basin, eastern U.S.A.: American Association of Petroleum Geologists Abstracts Volume for the AAPG 2005 Annual Convention, p. A93.
Open-File Report 2005-1268 is available in PowerPoint, Adobe Acrobat, and text formats. (Note: The PowerPoint notes do not transfer to Adobe Acrobat. The notes are available in the PowerPoint and text versions.)
For scientific questions or comments concerning this report, contact Robert C. Milici.
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