UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	July 18, 2018 4:00 P.M.

Form:	S-4
CIK: 0001539838 Company Name: Diamondback Energy, Inc. File Number: 333-225930
CIK: 0001590696 Company Name: Diamondback Energy O&G LLC File Number: 333-225930-02
CIK: 0001590692 Company Name: Diamondback Energy E&P LLC File Number: 333-225930-01