Companies working hard to squeeze more energy out of area rocks Producing natural …  Energy Corp. have entered new shale plays in Oklahoma and Arkansas. The Caney, the Woodford and the Fayetteville — shale formations …  in these unconventional plays because exploration and drilling has just begun. But the industry is optimistic. “Caney is just …

…  Eric Clark, whose great-great-grandfather Silas was drilling for oil in 1879 in Pueblo’s Grove neighborhood when he hit …  out that the provisions of Amendment 37 call for power companies to get 10 percent of their electricity from renewable sources and …