The settlement resolves claims Freeport-McMoRan overpaid McMoRan Exploration Co. and Plains Exploration & Production Co.
Encana retains about 1.1 million net acres in Clearwater.
In the past six years, Antero has more than quadrupled its net Appalachia acreage to 542,000 acres.
A major focus of cuts has been U.S. shale properties, given the typically high degree of flexibility in shale budgets, Fitch Ratings says.
Southwestern Energy has also announced plans to exit the Arkoma Basin and East Texas.
The newly formed company will operate more than 300,000 net acres in the Appalachian.
Dixie is a Calgary-based energy trust with oil and gas properties in the southern U.S., primarily in Mississippi and Alabama.
Southwestern’s financing overhang may result in Ark-La-Tex, Fayetteville and/or midstream divestments.
Southwestern agreed to waive future claims related to title defects and environmental liabilities.
Firm’s war chest replenished with $1.5 billion after third private placement since 2007.
The transaction makes Whiting the biggest Bakken/Three Forks producer.
Oil price sensitivity heightened as $5 WTI change moves cash flow by $350 million.