0% of New PA Shale Wells have “Interfered” with Water, Other Wells

Honestly, we can't heap enough praise on the excellent work done by Pennsylvania shale drillers. It is unreasonable to expect there will be absolutely zero problems when engaging in something as complex as drilling a mile straight down and then one to four miles horizontally underground. Nothing in life is error-free. NOTHING. There's always a problem. There's always a slight error somewhere. Yet in PA drilling, only 54 shale wells out of 14,412 drilled since 2004 have resulted in the shale well "communicating with" (interfering with or leaking methane to) nearby water wells, conventional wells, abandoned wells, or other shale wells. That's 0.0037 of the time, or 3.7 wells for every 1,000 drilled. Converting that number to a percentage, it's 0.37% (about one-third of a single percentage point). Rounding further, it's 0% of the time.

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