Morgan Stanley Infrastructure entered an agreement to acquire co-control ownership of Eureka Hunter Holdings LLC with Magnum Hunter Resources Corp. (NYSE: MHR), a press release from Morgan Stanley said Sept. 16.

Morgan Stanley Infrastructure and Magnum Hunter will control the governance and economic interest of Eureka Hunter Holdings, which gathers Marcellus and Utica shale gas, the press release said.

Eureka Hunter’s capital structure was modified, the press release added.

Magnum Hunter and Ridgeline Midstream Holdings LLC, the initial stake seller, concluded the transaction. Ridgeline is a portfolio company of Boston-based ArcLight Capital Partners LLC, the press release noted.

Houston-based law firm Vinson & Elkins advised Morgan Stanley Infrastructure, the press release said.

Morgan Stanley Infrastructure is part of Morgan Stanley Merchant Banking & Real Estate Investing, the direct private investing group of New York-based financial services firm Morgan Stanley.