Chief's Marcellus output tops 100 MMcfd

By OGJ editors
HOUSTON, Nov. 10
-- Chief Oil & Gas LLC, private Dallas operator, said its Marcellus shale production in Pennsylvania has reached 100 MMcfd of gas equivalent from 42 wells and that it expects to end 2010 at 115 MMcfed.

The most recent well the company placed on production exceeded 15 MMcfd on choke from a 4,994-ft lateral in central Pennsylvania. The company holds 600,000 gross acres in Pennsylvania, West Virginia, and Maryland.

Of 93 wells drilled, 15 await a pipeline and 36 await completion. The company expects to be running seven rigs at yearend, up from three at the start of 2010. Twenty wells are being drilled or remain to be drilled this year.

The company has drilled and completed wells in Lycoming, Bradford, Susquehanna, Wyoming, Clearfield, Blair, Somerset, Greene, and Fayette counties, Pa., and in Marshall County, WV. Estimated ultimate recoveries are 3.75 to 7 bcf.

Recent wells placed on line average 4.7 to 8 MMcfd from an average 2,568-ft lateral in northeastern Pennsylvania, where cumulative output has exceeded 1 bcf from each of three multiwell pads in two counties.

In central Pennsylvania, two recently completed wells averaged 4.9 MMcfd and 5.3 MMcfd with from 4,864-ft and 4,143-ft laterals, respectively.

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