X0101 EFFECT 33 LIVE 2015-08-13 17:00:00

S-3

0000010254 EARTHSTONE ENERGY INC 333-205466 0001647049 Earthstone Operating, LLC 333-205466-04 0001647013 Sabine River Energy, LLC 333-205466-03 0001646991 EF Non-OP, LLC 333-205466-02 0001647003 Basic Petroleum Services, Inc. 333-205466-01