Shale water contamination due to well construction, not drilling or fracking, study says

A study published Monday says that the shale-gas boom has contaminated drinking water wells in the Barnett Shale of North Texas and in the Marcellus Shale of Pennsylvania.The study, published in Proceedings of the National Academy of Sciences, was conducted by researchers from five universities, the Dallas Morning News reported.It concludes that blame for the contamination rests to gas leakage from defective casings and cementing in gas wells, not directly from drilling or hydraulic fracturing itself, the Morning News said.

via Shale water contamination due to well construction, not drilling or fracking, study says – Houston Business Journal.

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