Devon uses varied technologies with unconventional gas

At the end of 2004, Devon Energy Corp., Oklahoma City, had 144 horizontal wells on production from the Barnett shale in North Texas. Horizontal wells account for 22% of Devon's total Barnett shale production of approximately 556 MMcfd.Stephen J. Hadden, senior vice-president, exploration and production, said 37% of Devon's production of gas and gas liquids comes from tight sands, coalbeds, and fractured shales. Devon's production of unconventional gas amounts to about 1 bcfd.In 1989, Devon was among the first companies developing coalbed methane (CBM) in the San Juan basin."That's how we really got started, and that's grown over time. Obviously, the potential is signif...

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