UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: August 13, 2015 5:00 P.M.
Form: S-3
CIK: 0000010254
Company Name: EARTHSTONE ENERGY INC
File Number: 333-205466
CIK: 0001647049
Company Name: Earthstone Operating, LLC
File Number: 333-205466-04
CIK: 0001647013
Company Name: Sabine River Energy, LLC
File Number: 333-205466-03
CIK: 0001646991
Company Name: EF Non-OP, LLC
File Number: 333-205466-02
CIK: 0001647003
Company Name: Basic Petroleum Services, Inc.
File Number: 333-205466-01