Pennsylvania Draws a Line in the Sandstone

June 7, 2014 Pittsburgh Post-Gazette
PEC in the News

When it comes to defining an unconventional gas well, Pennsylvania draws a line in the sand. Specifically, state Department of Environmental Protection regulations say any shale well drilled and fracked below the Elk sandstones is unconventional.

The Elk group refers to a stack of sand formations found above the Marcellus Shale in the western part of Pennsylvania. Deposited about 375 million years ago, the sandstones have served as a border for the past several years between the traditional oil and gas industry in Pennsylvania and the growing Marcellus activity that the DEP was figuring out how to regulate…


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