Diamondback’s Viper Buys $1.1B in Permian Mineral, Royalty Interests / Latest / By mark Diamondback subsidiary Viper Energy is spending $1.1 billion on a series of Permian Basin mineral and royalty acquisitions from Tumbleweed Royalty, which was formed by the executives behind Double Eagle Energy. Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Related