5th Upper Devonian Driller + Maps of Best UD Spots to Drill

out of the blueIt seems as if “out of the blue” the Upper Devonian Shale (UD) has popped up on the radar screen–quite suddenly and in quite a big way. The Upper Devonian is located a few hundred feet above the Marcellus Shale layer in the northeastern U.S. Over the past few weeks, MDN has highlighted stories of drillers expanding their UD drilling programs–including CONSOL, Rex Energy, Range Resources and EQT Corporation (see EQT 4th Driller to Target Upper Devonian Shale Layer). Courtesy of a sharp MDN reader, we can add a fifth UD driller to the list: Chesapeake Energy. Todd Sigler reports that Chesapeake has drilled an Upper Devonian well in Hancock County, WV and has several Upper Devonian permits in extreme western Beaver County, PA.

Todd also pointed us to two excellent drilling presentations about the UD, one from Range Resources and one from Rex Energy, which we’ve embedded below. The Range presentation includes a good backgrounder on the UD and a great series of maps showing where the best places to drill in the UD can be found–currently–based on our knowledge and experience so far. The Range presentation also discusses how Range (and others) are adopting a “stacked play” strategy of drilling the Upper Devonian, Marcellus and Utica layers–all in the same well bore. How cool is that?!

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