Nutrient injection eyed in Wyoming CBM well field

The US Bureau of Land Management is seeking public comments on Patriot Energy Resources LLC’s proposed Rough Draw Project 13 miles north of Gillette, Wyo., the agency’s Buffalo, Wyo., field office announced on Dec. 7.

It said that BLM is preparing an environmental assessment for injection of nutrients and produced water into federal coal seams to stimulate methane gas generation in the Powder River basin.

The project would use 283 existing wells within an 18,000-acre area that already has several coalbed methane wells, BLM said. The area also includes fee and state surface ownership, with federal, fee, and state mixed mineral ownership, it indicated.

Patriot is a Gillette-based subsidiary of Luca Technologies Inc., Golden, Colo., which wants to determine the effects of its biogenic gas generation process on the coal resource in a mature CBM field producing from multiple publicly owned coals, according to the proposed project’s development plan.

Comments will be accepted on the field office’s scoping notice and Patriot’s application and supporting documentation until Jan. 3, 2012, BLM said.

Contact Nick Snow at nicks@pennwell.com

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