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Squeezing Blood From Stone
SQUEEZING BLOOD FROM STONE By Paul Bermanzohn, MD The development, in 1993 after years of research and trial and error by Texas oilman George Mitchell, of a new technique called hydraulic hydrofracturing was combined in 2002 with horizontal drilling, another new technique, to make possible the extraction of so-called “natural gas” from long-coveted Marcellus Shale…