ONEOK to Acquire Permian’s EnLink, Medallion Midstream for $5.9 Billion / Latest / By mark ONEOK will acquire Global Infrastructure Partners’ interests in EnLink Midstream and Medallion Midstream, which add scale in the Permian, Midcontinent and Louisiana, in separate transactions valued at $5.9 billion. Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Related