Summit Midstream Partners LP on Wednesday August 22, 2012 filed to raise up to $302 million in an initial public offering of common units for trading under the symbol SMLP on the New York Stock Exchange.

The Dallas-based partnership operates pipelines and infrastructure in the Barnett Shale of Texas and the Piceance Basin of Colorado. Customers include Encana Corp., Chesapeake Energy Corp, Exxon Mobil Corp.and others.

The partnership is managed and operated by a board of directors and executive officers of Summit GP, its general partner. Summit Investments, which is controlled by private equity firm Energy Capital Partners and GE Energy Financial Services, a unit of General Electric Co. GE is the sole owner of its general partner.