Introduction The Oriskany Sandstone is the main deep gas reservoir in western Maryland. Appalachian gas drillers have long suspected that the dark gray to black shale, known as the Marcellus Shale, that overlies the Oris

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Date: 2013-02-06 15:09:48		Introduction The Oriskany Sandstone is the main deep gas reservoir in western Maryland. Appalachian gas drillers have long suspected that the dark gray to black shale, known as the Marcellus Shale, that overlies the Oris Add to Reading List Source URL: www.mgs.md.gov Download Document from Source Website File Size: 1,65 MB Share Document on Facebook