FOCUS: UNCONVENTIONAL OIL & GAS: Multiple models likely for Niobrara horizontal play

Paula Dittrick Senior Staff Writer Companies using horizontal drilling and multistage fracturing are taking a fresh look at the Niobrara shale play in the Rocky Mountain region. Technology is helping industry turn a formation previously developed only on isolated structures into a promising new resource play. "This is a play that has come back alive," said Stephen A. Sonnenberg, a Colorado School of Mines geology professor and director of the industry-sponsored Niobrara Consortium, a group of 25 companies researching the multiinterval self-sourced formation. Describing the Niobrara as the remnant of a Cretaceous sea, Sonnenberg said local faults and folds will affect natural fra...

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