<SEC-DOCUMENT>9999999995-11-001575.txt : 20110518
<SEC-HEADER>9999999995-11-001575.hdr.sgml : 20110518
<ACCEPTANCE-DATETIME>20110518001601
ACCESSION NUMBER:		9999999995-11-001575
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20110517
DATE AS OF CHANGE:		20110518
EFFECTIVENESS DATE:		20110517

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PRECISION DRILLING Corp
		CENTRAL INDEX KEY:			0001013605
		STANDARD INDUSTRIAL CLASSIFICATION:	DRILLING OIL & GAS WELLS [1381]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-173926
		FILM NUMBER:		11853392

	BUSINESS ADDRESS:	
		STREET 1:		150 - 6TH AVENUE S.W.
		STREET 2:		SUITE 4200
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7
		BUSINESS PHONE:		403-716-4500

	MAIL ADDRESS:	
		STREET 1:		150 - 6TH AVENUE S.W.
		STREET 2:		SUITE 4200
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PRECISION DRILLING TRUST
		DATE OF NAME CHANGE:	20051121

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PRECISION DRILLING CORP
		DATE OF NAME CHANGE:	19960506

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GREY WOLF INTERNATIONAL, INC.
		CENTRAL INDEX KEY:			0001038891
		STANDARD INDUSTRIAL CLASSIFICATION:	DRILLING OIL & GAS WELLS [1381]
		IRS NUMBER:				760000351
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-173926-05
		FILM NUMBER:		11853403

	BUSINESS ADDRESS:	
		STREET 1:		10350 RICHMOND AVENUE, SUITE 700
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77042
		BUSINESS PHONE:		(403) 716-4500

	MAIL ADDRESS:	
		STREET 1:		4200, 150 - 6TH AVENUE S.W.
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GREY WOLF INTERNATIONAL INC
		DATE OF NAME CHANGE:	19980618

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DI INTERNATIONAL INC
		DATE OF NAME CHANGE:	19970508

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DI ENERGY, INC.
		CENTRAL INDEX KEY:			0001038893
		STANDARD INDUSTRIAL CLASSIFICATION:	DRILLING OIL & GAS WELLS [1381]
		IRS NUMBER:				742175411
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-173926-07
		FILM NUMBER:		11853405

	BUSINESS ADDRESS:	
		STREET 1:		10350 RICHMOND AVENUE, SUITE 700
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77042
		BUSINESS PHONE:		(403) 716-4500

	MAIL ADDRESS:	
		STREET 1:		4200, 150 - 6TH AVENUE S.W.
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DI ENERGY INC
		DATE OF NAME CHANGE:	19970508

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MURCO DRILLING CORP
		CENTRAL INDEX KEY:			0001064400
		IRS NUMBER:				720512163
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-173926-04
		FILM NUMBER:		11853402

	BUSINESS ADDRESS:	
		STREET 1:		10350 RICHMOND AVENUE, SUITE 700
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77042
		BUSINESS PHONE:		(403) 716-4500

	MAIL ADDRESS:	
		STREET 1:		4200, 150 - 6TH AVENUE S.W.
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Precision Drilling Co LP
		CENTRAL INDEX KEY:			0001243343
		STANDARD INDUSTRIAL CLASSIFICATION:	DRILLING OIL & GAS WELLS [1381]
		IRS NUMBER:				760590999
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-173926-03
		FILM NUMBER:		11853401

	BUSINESS ADDRESS:	
		STREET 1:		10350 RICHMOND AVENUE, SUITE 700
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77042
		BUSINESS PHONE:		(403) 716-4500

	MAIL ADDRESS:	
		STREET 1:		4200, 150 - 6TH AVENUE S.W.
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GREY WOLF DRILLING CO LP
		DATE OF NAME CHANGE:	20030618

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Precision Drilling LLC
		CENTRAL INDEX KEY:			0001243345
		IRS NUMBER:				721433406
		STATE OF INCORPORATION:			LA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-173926-01
		FILM NUMBER:		11853394

	BUSINESS ADDRESS:	
		STREET 1:		10350 RICHMOND AVENUE, SUITE 700
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77042
		BUSINESS PHONE:		(403) 716-4500

	MAIL ADDRESS:	
		STREET 1:		4200, 150 - 6TH AVENUE S.W.
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GREY WOLF LLC
		DATE OF NAME CHANGE:	20030618

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Precision Drilling Holdings Co
		CENTRAL INDEX KEY:			0001243347
		IRS NUMBER:				741987143
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-173926-02
		FILM NUMBER:		11853400

	BUSINESS ADDRESS:	
		STREET 1:		10350 RICHMOND AVENUE, SUITE 700
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77042
		BUSINESS PHONE:		(403) 716-4500

	MAIL ADDRESS:	
		STREET 1:		4200, 150-6TH AVENUE S.W.
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GREY WOLF HOLDINGS CO
		DATE OF NAME CHANGE:	20030618

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DI/PERFENSA INC.
		CENTRAL INDEX KEY:			0001243350
		IRS NUMBER:				760378440
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-173926-06
		FILM NUMBER:		11853404

	BUSINESS ADDRESS:	
		STREET 1:		10350 RICHMOND AVENUE, SUITE 700
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77042
		BUSINESS PHONE:		(413) 716-4500

	MAIL ADDRESS:	
		STREET 1:		4200, 150 - 6TH AVENUE S.W.
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DI  PERFENSA INC
		DATE OF NAME CHANGE:	20030618

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Grey Wolf Supply Inc.
		CENTRAL INDEX KEY:			0001517999
		IRS NUMBER:				270185992
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-173926-14
		FILM NUMBER:		11853384

	BUSINESS ADDRESS:	
		STREET 1:		10350 RICHMOND AVENUE, SUITE 700
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77042
		BUSINESS PHONE:		(403)716-4500

	MAIL ADDRESS:	
		STREET 1:		4200, 150 - 6TH AVENUE S.W.
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Precision Completion & Production Services Ltd.
		CENTRAL INDEX KEY:			0001518003
		IRS NUMBER:				980679637
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-173926-13
		FILM NUMBER:		11853380

	BUSINESS ADDRESS:	
		STREET 1:		10350 RICHMOND AVENUE, SUITE 700
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77042
		BUSINESS PHONE:		(403)716-4500

	MAIL ADDRESS:	
		STREET 1:		4200,150 - 6TH AVENUE S.W.
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Precision Directional Services, Inc.
		CENTRAL INDEX KEY:			0001518005
		IRS NUMBER:				450603611
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-173926-12
		FILM NUMBER:		11853410

	BUSINESS ADDRESS:	
		STREET 1:		10350 RICHMOND AVENUE, SUITE 700
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77042
		BUSINESS PHONE:		(403)716-4500

	MAIL ADDRESS:	
		STREET 1:		4200, 150 - 6TH AVENUE S.W.
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Precision Drilling, Inc.
		CENTRAL INDEX KEY:			0001518023
		IRS NUMBER:				264435759
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-173926-11
		FILM NUMBER:		11853409

	BUSINESS ADDRESS:	
		STREET 1:		10350 RICHMOND AVENUE, SUITE 700
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77042
		BUSINESS PHONE:		(403)716-4500

	MAIL ADDRESS:	
		STREET 1:		4200,150 - 6TH AVENUE S.W.
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Precision Drilling Oilfield Services Corp
		CENTRAL INDEX KEY:			0001518024
		IRS NUMBER:				263638348
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-173926-17
		FILM NUMBER:		11853390

	BUSINESS ADDRESS:	
		STREET 1:		10350 RICHMOND AVENUE, SUITE 700
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77042
		BUSINESS PHONE:		(403)716-4500

	MAIL ADDRESS:	
		STREET 1:		4200, 150 - 6TH AVENUE S.W.
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Precision Oilfield Personnel Services Ltd.
		CENTRAL INDEX KEY:			0001518141
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-173926-16
		FILM NUMBER:		11853388

	BUSINESS ADDRESS:	
		STREET 1:		4200, 150-6TH AVENUE S.W.
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7
		BUSINESS PHONE:		(403)716-4500

	MAIL ADDRESS:	
		STREET 1:		4200, 150-6TH AVENUE S.W.
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Precision Limited Partnership
		CENTRAL INDEX KEY:			0001518144
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-173926-15
		FILM NUMBER:		11853386

	BUSINESS ADDRESS:	
		STREET 1:		4200, 150-6TH AVENUE S.W.
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7
		BUSINESS PHONE:		(403)716-4500

	MAIL ADDRESS:	
		STREET 1:		4200, 150-6TH AVENUE S.W.
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Grey Wolf International Drilling Corp
		CENTRAL INDEX KEY:			0001518146
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			Z4
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-173926-10
		FILM NUMBER:		11853408

	BUSINESS ADDRESS:	
		STREET 1:		4200, 150 - 6TH AVENUE S.W.
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7
		BUSINESS PHONE:		(403)716-4500

	MAIL ADDRESS:	
		STREET 1:		4200, 150 - 6TH AVENUE S.W.
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Precision Drilling International Corp
		DATE OF NAME CHANGE:	20110413

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Precision Drilling Canada Limited Partnership
		CENTRAL INDEX KEY:			0001518149
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-173926-09
		FILM NUMBER:		11853407

	BUSINESS ADDRESS:	
		STREET 1:		4200, 150 - 6TH AVENUE S.W.
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7
		BUSINESS PHONE:		(403)716-4500

	MAIL ADDRESS:	
		STREET 1:		4200, 150 - 6TH AVENUE S.W.
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Precision Diversified Oilfield Services Corp.
		CENTRAL INDEX KEY:			0001518150
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-173926-08
		FILM NUMBER:		11853406

	BUSINESS ADDRESS:	
		STREET 1:		4200, 150 - 6TH AVENUE S.W.
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7
		BUSINESS PHONE:		(403)716-4500

	MAIL ADDRESS:	
		STREET 1:		4200, 150 - 6TH AVENUE S.W.
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3Y7
</SEC-HEADER>
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<TYPE>EFFECT
<SEQUENCE>1
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<TEXT>
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        <finalEffectivenessDispDate>2011-05-17</finalEffectivenessDispDate>
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            <cik>0001013605</cik>
            <entityName>PRECISION DRILLING Corp</entityName>
            <fileNumber>333-173926</fileNumber>
        </filer>
        <filer>
            <cik>0001518024</cik>
            <entityName>Precision Drilling Oilfield Services Corp</entityName>
            <fileNumber>333-173926-17</fileNumber>
        </filer>
        <filer>
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            <fileNumber>333-173926-16</fileNumber>
        </filer>
        <filer>
            <cik>0001518144</cik>
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            <fileNumber>333-173926-15</fileNumber>
        </filer>
        <filer>
            <cik>0001517999</cik>
            <entityName>Grey Wolf Supply Inc.</entityName>
            <fileNumber>333-173926-14</fileNumber>
        </filer>
        <filer>
            <cik>0001518003</cik>
            <entityName>Precision Completion &amp; Production Services Ltd.</entityName>
            <fileNumber>333-173926-13</fileNumber>
        </filer>
        <filer>
            <cik>0001518005</cik>
            <entityName>Precision Directional Services, Inc.</entityName>
            <fileNumber>333-173926-12</fileNumber>
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        <filer>
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            <entityName>Precision Drilling, Inc.</entityName>
            <fileNumber>333-173926-11</fileNumber>
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            <fileNumber>333-173926-10</fileNumber>
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            <fileNumber>333-173926-09</fileNumber>
        </filer>
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            <cik>0001518150</cik>
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            <fileNumber>333-173926-08</fileNumber>
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        <filer>
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