CNX Gas drills record Marcellus shale well

Pittsburgh-based CNX Gas Corp., an exploration and production company that has drilled hundreds of coalbed-methane wells in the Appalachian basin, drilled its first horizontal Marcellus shale wells in Pennsylvania in 2008. The CNX No. 3 well was spud June 3 and began producing 6.5 MMcfd of natural gas in December.1The CNX No. 3 was drilled horizontally through the Marcellus formation on company-owned mineral land in the Rogersville Quadrangle, Greene County, Pa. (Fig. 1). Click here to enlarge imageThe well was drilled to a vertical depth of 8,140 ft in the Huntersville Chert, penetrating 83 vertical ft of Marcellus shale. The well was logged, plugged back, and then CNX cut a horizontal ...

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