Form F-4 - Registration of securities, foreign private issuers, business combinations:
SEC Accession No. 0001193125-12-046037
Filing Date
2012-02-08
Accepted
2012-02-08 13:47:46
Documents
31

Document Format Files

Seq Description Document Type Size
1 FORM F-4 d277141df4.htm F-4 1185205
2 EXHIBIT 3.31 d277141dex331.htm EX-3.31 45742
3 EXHIBIT 3.37 d277141dex337.htm EX-3.37 69805
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5 EXHIBIT 5.1 d277141dex51.htm EX-5.1 19306
6 EXHIBIT 5.2 d277141dex52.htm EX-5.2 27773
7 EXHIBIT 5.3 d277141dex53.htm EX-5.3 20174
8 EXHIBIT 5.4 d277141dex54.htm EX-5.4 37648
9 EXHIBIT 5.5 d277141dex55.htm EX-5.5 25950
10 EXHIBIT 12.1 d277141dex121.htm EX-12.1 54952
11 EXHIBIT 21.1 d277141dex211.htm EX-21.1 24358
12 EXHIBIT 23.6 d277141dex236.htm EX-23.6 1790
13 EXHIBIT 25.1 d277141dex251.htm EX-25.1 72556
14 EXHIBIT 99.1 d277141dex991.htm EX-99.1 144051
15 EXHIBIT 99.2 d277141dex992.htm EX-99.2 10967
16 EXHIBIT 99.3 d277141dex993.htm EX-99.3 21699
17 EXHIBIT 99.4 d277141dex994.htm EX-99.4 31841
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  Complete submission text file 0001193125-12-046037.txt   2173421
Mailing Address 150 - 6TH AVENUE S.W. SUITE 4200 CALGARY A0 T2P 3Y7
Business Address 150 - 6TH AVENUE S.W. SUITE 4200 CALGARY A0 T2P 3Y7 403-716-4500
PRECISION DRILLING Corp (Filer) CIK: 0001013605 (see all company filings)

EIN.: 000000000 | State of Incorp.: A0 | Fiscal Year End: 1231
Type: F-4 | Act: 33 | File No.: 333-179427 | Film No.: 12581008
SIC: 1381 Drilling Oil & Gas Wells

Mailing Address 800, 525 - 8TH AVENUE S.W. CALGARY A0 T2P 1G1
Business Address 10350 RICHMOND AVENUE, SUITE 700 HOUSTON TX 77042 (403) 716-4500
GREY WOLF INTERNATIONAL, INC. (Filer) CIK: 0001038891 (see all company filings)

EIN.: 760000351 | Fiscal Year End: 1231
Type: F-4 | Act: 33 | File No.: 333-179427-01 | Film No.: 12580997
SIC: 1381 Drilling Oil & Gas Wells

Mailing Address 800, 525 - 8TH AVENUE S.W. CALGARY A0 T2P 1G1
Business Address 10350 RICHMOND AVENUE, SUITE 700 HOUSTON TX 77042 (403) 716-4500
DI ENERGY, INC. (Filer) CIK: 0001038893 (see all company filings)

EIN.: 742175411 | Fiscal Year End: 1231
Type: F-4 | Act: 33 | File No.: 333-179427-03 | Film No.: 12580999
SIC: 1381 Drilling Oil & Gas Wells

Mailing Address 800, 525 - 8TH AVENUE S.W. CALGARY A0 T2P 1G1
Business Address 10350 RICHMOND AVENUE, SUITE 700 HOUSTON TX 77042 (403) 716-4500
MURCO DRILLING CORP (Filer) CIK: 0001064400 (see all company filings)

EIN.: 720512163 | State of Incorp.: DE | Fiscal Year End: 1231
Type: F-4 | Act: 33 | File No.: 333-179427-15 | Film No.: 12581012

Mailing Address 800, 525 - 8TH AVENUE S.W. CALGARY A0 T2P 1G1
Business Address 10350 RICHMOND AVENUE, SUITE 700 HOUSTON TX 77042 (403) 716-4500
Precision Drilling Co LP (Filer) CIK: 0001243343 (see all company filings)

EIN.: 760590999 | State of Incorp.: TX | Fiscal Year End: 1231
Type: F-4 | Act: 33 | File No.: 333-179427-14 | Film No.: 12581011
SIC: 1381 Drilling Oil & Gas Wells

Mailing Address 800, 525 - 8TH AVENUE S.W. CALGARY A0 T2P 1G1
Business Address 10350 RICHMOND AVENUE, SUITE 700 HOUSTON TX 77042 (403) 716-4500
Precision Drilling LLC (Filer) CIK: 0001243345 (see all company filings)

EIN.: 721433406 | State of Incorp.: LA | Fiscal Year End: 1231
Type: F-4 | Act: 33 | File No.: 333-179427-12 | Film No.: 12581009

Mailing Address 800, 525-8TH AVENUE S.W. CALGARY A0 T2P 1G1
Business Address 10350 RICHMOND AVENUE, SUITE 700 HOUSTON TX 77042 (403) 716-4500
Precision Drilling Holdings Co (Filer) CIK: 0001243347 (see all company filings)

EIN.: 741987143 | State of Incorp.: NV | Fiscal Year End: 1231
Type: F-4 | Act: 33 | File No.: 333-179427-13 | Film No.: 12581010

Mailing Address 800, 525 - 8TH AVENUE S.W. CALGARY A0 T2P 1G1
Business Address 10350 RICHMOND AVENUE, SUITE 700 HOUSTON TX 77042 (413) 716-4500
DI/PERFENSA INC. (Filer) CIK: 0001243350 (see all company filings)

EIN.: 760378440 | State of Incorp.: TX | Fiscal Year End: 1231
Type: F-4 | Act: 33 | File No.: 333-179427-02 | Film No.: 12580998

Mailing Address 800, 525 - 8TH AVENUE S.W. CALGARY A0 T2P 1G1
Business Address 10350 RICHMOND AVENUE, SUITE 700 HOUSTON TX 77042 (403)716-4500
Grey Wolf Supply Inc. (Filer) CIK: 0001517999 (see all company filings)

EIN.: 270185992 | State of Incorp.: TX | Fiscal Year End: 1231
Type: F-4 | Act: 33 | File No.: 333-179427-18 | Film No.: 12581015

Mailing Address 800, 525 - 8TH AVENUE S.W. CALGARY A0 T2P 1G1
Business Address 10350 RICHMOND AVENUE, SUITE 700 HOUSTON TX 77042 (403)716-4500
Precision Completion & Production Services Ltd. (Filer) CIK: 0001518003 (see all company filings)

EIN.: 980679637 | State of Incorp.: DE | Fiscal Year End: 1231
Type: F-4 | Act: 33 | File No.: 333-179427-11 | Film No.: 12581007

Mailing Address 800, 525 - 8TH AVENUE S.W. CALGARY A0 T2P 1G1
Business Address 10350 RICHMOND AVENUE, SUITE 700 HOUSTON TX 77042 (403)716-4500
Precision Directional Services, Inc. (Filer) CIK: 0001518005 (see all company filings)

EIN.: 450603611 | State of Incorp.: TX | Fiscal Year End: 1231
Type: F-4 | Act: 33 | File No.: 333-179427-17 | Film No.: 12581014

Mailing Address 800, 525 - 8TH AVENUE S.W. CALGARY A0 T2P 1G1
Business Address 10350 RICHMOND AVENUE, SUITE 700 HOUSTON TX 77042 (403)716-4500
Precision Drilling, Inc. (Filer) CIK: 0001518023 (see all company filings)

EIN.: 264435759 | State of Incorp.: DE | Fiscal Year End: 1231
Type: F-4 | Act: 33 | File No.: 333-179427-16 | Film No.: 12581013

Mailing Address 800, 525 - 8TH AVENUE S.W. CALGARY A0 T2P 1G1
Business Address 10350 RICHMOND AVENUE, SUITE 700 HOUSTON TX 77042 (403)716-4500
Precision Drilling (US) Corp (Filer) CIK: 0001518024 (see all company filings)

EIN.: 263638348 | State of Incorp.: TX | Fiscal Year End: 1231
Type: F-4 | Act: 33 | File No.: 333-179427-09 | Film No.: 12581005

Mailing Address 800, 525 - 8TH AVENUE S.W. CALGARY A0 T2P 1G1
Business Address 800, 525 - 8TH AVENUE S.W. CALGARY A0 T2P 1G1 (403)716-4500
Precision Oilfield Personnel Services Ltd. (Filer) CIK: 0001518141 (see all company filings)

EIN.: 000000000 | State of Incorp.: A0 | Fiscal Year End: 1231
Type: F-4 | Act: 33 | File No.: 333-179427-08 | Film No.: 12581004

Mailing Address 800, 525-8TH AVENUE S.W. CALGARY A0 T2P 1G1
Business Address 800, 525-8TH AVENUE S.W. CALGARY A0 T2P 1G1 (403)716-4500
Precision Limited Partnership (Filer) CIK: 0001518144 (see all company filings)

EIN.: 000000000 | State of Incorp.: A0 | Fiscal Year End: 1231
Type: F-4 | Act: 33 | File No.: 333-179427-07 | Film No.: 12581003

Mailing Address 800, 525 - 8TH AVENUE S.W. CALGARY A0 T2P 1G1
Business Address 800, 525 - 8TH AVENUE S.W. CALGARY A0 T2P 1G1 (403)716-4500
Grey Wolf International Drilling Corp (Filer) CIK: 0001518146 (see all company filings)

EIN.: 000000000 | State of Incorp.: Z4 | Fiscal Year End: 1231
Type: F-4 | Act: 33 | File No.: 333-179427-06 | Film No.: 12581002

Mailing Address 800, 525 - 8TH AVENUE S.W. CALGARY A0 T2P 1G1
Business Address 800, 525 - 8TH AVENUE S.W. CALGARY A0 T2P 1G1 (403)716-4500
Precision Drilling Canada Limited Partnership (Filer) CIK: 0001518149 (see all company filings)

EIN.: 000000000 | State of Incorp.: A0 | Fiscal Year End: 1231
Type: F-4 | Act: 33 | File No.: 333-179427-05 | Film No.: 12581001

Mailing Address 800, 525 - 8TH AVENUE S.W. CALGARY A0 T2P 1G1
Business Address 800, 525 - 8TH AVENUE S.W. CALGARY A0 T2P 1G1 (403)716-4500
Precision Diversified Oilfield Services Corp. (Filer) CIK: 0001518150 (see all company filings)

EIN.: 000000000 | State of Incorp.: A0 | Fiscal Year End: 1231
Type: F-4 | Act: 33 | File No.: 333-179427-04 | Film No.: 12581000

Mailing Address 800, 525 - 8TH AVENUE, S.W. CALGARY A0 T2P 1G1
Business Address 800, 525 - 8TH AVENUE, S.W. CALGARY A0 T2P 1G1 (403) 716-4500
Precision Directional Services Ltd. (Filer) CIK: 0001539284 (see all company filings)

EIN.: 000000000 | State of Incorp.: A0 | Fiscal Year End: 1231
Type: F-4 | Act: 33 | File No.: 333-179427-10 | Film No.: 12581006