Sold

Chalker Energy Partners II and Rusk Energy Ltd., a subsidiary of Chalker, sold substantially all of their oil and gas properties to NFR Energy LLC, the companies said Tuesday.

Questar Southern Trails Pipeline Monday notified FERC that it has sold a 45.5-mile segment of its inactive 209-mile West Zone facilities to Southern California Gas for an undisclosed amount.

Williams has sold its interests in the Wamsutter LLC system to its midstream partnership Williams Partners LP for $750 million, the company said Friday.

Southwestern Energy Co. has sold its gas distribution business, Arkansas Western Gas Co., to SourceGas LLC, an affiliate of GE Energy Financial Services and Alinda Investments LLC for $224 million plus working capital.

Avista Corp.’s outgoing CEO is resigned to the fact that 2007 will be a “repositioning” year for the company, which sold its money-losing energy marketing/trading unit and saw its utility operations hindered by a combination of adverse weather and regulatory lag impacts. Nevertheless, the Spokane, WA-based company reported profits for the second quarter of $14.2 million, or 26 cents/diluted share, compared with $13.5 million, or 27 cents/diluted share, for the same period last year.

Houston-based Mariner Energy Inc. has sold back a 20% stake in the Gulf of Mexico Cottonwood project to Petrobras America Inc., the operator, for $31.8 million. Mariner acquired an interest in the project, which is located in Garden Banks Block 244, in April 2005 from Petrobras.

Energen Corp. subsidiary Energen Resources sold its allowed $12.5 million Enron bankruptcy claim, which will generate net income in 2006 of $6.7 million, or 9 cents per diluted share. The parent company reaffirmed its 2006 earnings guidance range of $3.10-$3.30 per diluted share, noting that the Enron settlement is expected to place Energen’s 2006 earnings toward the middle of this range. Excluded from the earnings guidance is a significant fourth quarter gain from the previously announced sale of one-half of Energen Resources’ acreage position in Alabama shales. The Birmingham, AL-based company has 1.7 Tcfe of proved reserves in the San Juan, Permian and Black Warrior basins and in the North Louisiana/East Texas area.

As part of its planned separation from Duke Energy, Duke Energy Field Services (DEFS) on Tuesday sold its wholesale propane logistics company, Gas Supply Resources (GSR), to master limited partnership DCP Midstream Partners LP for $77 million in cash and partnership units.

Houston-based Marathon Oil Corp. reported it sold about 350,000 boe/d of oil and natural gas in 3Q2006, in line with a previous forecast to sell between 340,000-360,000 boe/d. Net natural gas sales totaled 530 MMcf/d, sequentially higher than the 523 MMcf/d reported in 2Q2006, but lower than the 562 MMcf/d reported for the same period a year ago.