Other parties in the transactions include Cordillera Energy Partners III, Oxbow Midstream and West Canadian Midstream.
Enogex will buy Roger Mills Gas Gathering, which owns a gathering system located in Roger Mills and Ellis Counties, from Cordillera, Oxbow and West Canadian Midstream.
The company will also purchase an additional gas gathering system in Roger Mills County from Cordillera and Oxbow.
The closing of the transactions are subject to customary conditions, including notification and waiting pursuant to the Hart-Scott-Rodino Act.
Enogex has also approved further expansion of the new Wheeler County, Texas, processing plant and the construction of a new 200 million cubic feet per day processing plant.
Enogex president and COO Keith Mitchell said in addition to these key acquisitions, the company is expanding its processing capacity in western Oklahoma and the Texas Panhandle to serve the Cana Woodford play, as well as the Granite Wash, Tonkawa and Marmaton plays.
Enogex owns and operates more than 8,000 miles of pipe, eight processing plants and 24 billion cubic feet of natural gas storage capacity in the US states of Oklahoma and Texas.
