Diamondback Energy Closes $4.1B Double Eagle IV Acquisition / Latest / By mark Diamondback Energy Inc. closed on its approximately $4.1 billion deal to buy EnCap Investments’ Double Eagle IV, adding approximately 40,000 net acres in the Midland Basin to its portfolio. Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Related