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DJ Basin (Ultra) 

Petition for Nontributary Determination for Denver-Julesburg Basin

 

Ultra Petroleum, March 9, 2012
Niobrara Formation, Lower Pierre Shale, Carlile Formation, and the Greenhorn Formations
 
Pursuant to Rules and Regulations for the Determination of the Nontributary Nature of Ground Water Produced through Wells in Conjunction with the Mining of Minerals, 2 CCR 402-17, Ultra Petroleum has filed a petition requesting a nontributary ground water determination for its current and future oil and gas wells in the delineated area of the Niobrara Formation, Lower Pierre Shale, Carlile Formation, and the Greenhorn Formations in El Paso County only.