Rattler Midstream, subsidiary of Midland’s Diamondback Energy, said Oct. 21 it agreed to purchase water midstream assets from subsidiaries of Diamondback for $160 million in cash in a drop-down transaction. The assets consist primarily of produced water gathering and disposal systems, produced water recycling facilities, and sourced water gathering and storage assets acquired by Diamondback from QEP Resources and Guidon Operating earlier this year.