Fourteen horizontal wells have been drilled in the Cretaceous Mancos shale in the Piceance basin in northwestern Colorado, said Dejour Energy Inc., Denver.

WPX Energy Inc., Tulsa, has revealed a horizontal Niobrara shale gas discovery in the Piceance basin of Colorado that the company said has the potential to ultimately more than double its current 18 tcf equivalent of proved, probable, and possible reserves.

Steel manufacturer Nucor Corp. of Charlotte, NC, and Encana Oil & Gas (USA) Inc. agreed to a joint natural gas drilling program for the Piceance basin in Colorado in efforts to ensure Nucor a long-term, reliable gas supply while helping Encana with development costs, the companies said.

Antero Resources of Denver agreed to sell all of its natural gas and pipeline assets in the Piceance basin to a private company for $325 million in cash plus the assumption of all of Antero’s Rocky Mountain firm transportation obligations. The buyer was not identified.

Summit Midstream Partners LLC, Dallas, agreed to acquire Canyon Pipeline LLC for $207 million from La Grange Acquisitions LP, a wholly owned subsidiary of Energy Transfer Partners LP.

Dejour Energy Inc., Denver, is moving in a rig to drill the first well at its 72% owned Kokopelli gas project in the Piceance basin in Colorado.

The Research Partnership to Secure Energy for America has chosen to negotiate towards funding nine research proposals designed to enable small producing companies to maximize oil and gas recovery in the US.

US Interior Sec. Ken Salazar hailed the collaboration that made an agreement possible as he signed the record of decision authorizing Anadarko Petroleum Corp.’s Greater Natural Buttes natural gas project in eastern Utah.

French, Canadian, and private US companies are set to launch a $200 million joint venture to develop oil shale in the Uinta basin of Utah.

The US Bureau of Land Management is seeking public comments on a revised natural gas pipeline proposal south of Rifle, Colo.

The US Bureau of Land Management’s Uncompahgre field office in Montrose, Colo., released a draft environmental assessment on a master development plan for a proposed natural gas exploration project in northwestern Gunnison County, Colo., north of the Paonia Reservoir State Park on Mar. 23.