An oilfield employee works at a Talisman Energy fracking site near Cotulla, Texas. Talisman Energy is working with Norwegian energy company Statoil to extract oil and gas from the Eagle Ford shale formation in south central Texas. (Wednesday September 7, 2011) JOHN DAVENPORT/SAN ANTONIO EXPRESS-NEWS/jdavenport@express-news.net Photo: JOHN DAVENPORT, SAN ANTONIO EXPRESS-NEWS / HEARST NEWSPAPERS
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