UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	June 21, 2017 12:00 P.M.

Form:	F-4
CIK: 0001518150 Company Name: Precision Diversified Oilfield Services Corp. File Number: 333-217575-01
CIK: 0001518003 Company Name: Precision Completion & Production Services Ltd. File Number: 333-217575-18
CIK: 0001243343 Company Name: Precision Drilling Co LP File Number: 333-217575-17
CIK: 0001518144 Company Name: Precision Limited Partnership File Number: 333-217575-16
CIK: 0001518149 Company Name: Precision Drilling Canada Limited Partnership File Number: 333-217575-15
CIK: 0001518141 Company Name: Precision Employment Services Corp. File Number: 333-217575-14
CIK: 0001518023 Company Name: Precision Drilling, Inc. File Number: 333-217575-13
CIK: 0001038893 Company Name: DI ENERGY, INC. File Number: 333-217575-12
CIK: 0001038891 Company Name: GREY WOLF INTERNATIONAL, INC. File Number: 333-217575-11
CIK: 0001518146 Company Name: Grey Wolf International Drilling Corp File Number: 333-217575-10
CIK: 0001243347 Company Name: Precision Drilling Holdings Co File Number: 333-217575-09
CIK: 0001243345 Company Name: Precision Drilling LLC File Number: 333-217575-08
CIK: 0001064400 Company Name: MURCO DRILLING CORP File Number: 333-217575-07
CIK: 0001243350 Company Name: DI/PERFENSA INC. File Number: 333-217575-06
CIK: 0001517999 Company Name: PD Supply Inc. File Number: 333-217575-05
CIK: 0001518024 Company Name: Precision Drilling (US) Corp File Number: 333-217575-04
CIK: 0001518005 Company Name: Precision Directional Services, Inc. File Number: 333-217575-03
CIK: 0001539284 Company Name: Precision Directional Services Ltd. File Number: 333-217575-02