Diamondback Energy on Monday decided to buy the largest privately held oil and gas producer in the Permian basin, Endeavor Energy Partners, in a cash-and-stock deal for about $26 billion, including debt. The deal comes after a new wave of consolidation in the prolific Permian basin to boost production, the biggest in 2023 being Exxon Mobil's $60 billion deal for Pioneer Natural Resources. privately held oil and gas producer in the Permian basin, Endeavor Energy Partners, in a cash-and-stock deal for about $26 billion, including debt. The deal comes after a new wave of consolidation in the prolific Permian basin to boost production, the biggest in 2023 being Exxon Mobil's $60 billion deal for Pioneer Natural Resources. Looks like a buy if money left over.