Houston-based Noble Energy Inc. (NYSE: NBL) announced Dec. 15 it reached a new deal to sell its stake in the general partner of Cone Midstream Partners LP (NYSE: CNNX), a Pennsylvania-based master limited partnership. In the new deal, Noble will sell its 50 percent interest in Cone Gathering LLC, which owns the MLP's general partner, to Pennsylvania-based CNX Resources Corp. (NYSE: CNX) for $305 million in cash. That deal is expected to close in early 2018. Cone Midstream Partners was formed...