# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001193125-13-054428
Filing Date
2013-02-13
Accepted
2013-02-13 13:25:18
Documents
13
Period of Report
2012-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | FORM 10-K | d447869d10k.htm | 10-K | 1505432
2 | SUBSIDIARIES OF THE REGISTRANT | d447869dex211.htm | EX-21.1 | 4155
3 | CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM | d447869dex231.htm | EX-23.1 | 1540
4 | CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO RULE 13A-14(A)/15D-14(A) | d447869dex311.htm | EX-31.1 | 6293
5 | CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO RULE 13A-14(A)/15D-14(A) | d447869dex312.htm | EX-31.2 | 6427
6 | CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER | d447869dex321.htm | EX-32.1 | 5081
13 | GRAPHIC | g447869g14h79.jpg | GRAPHIC | 40100
| Complete submission text file | 0001193125-13-054428.txt |  | 11378213

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
7 | XBRL INSTANCE DOCUMENT | pten-20121231.xml | EX-101.INS | 1808924
8 | XBRL TAXONOMY EXTENSION SCHEMA | pten-20121231.xsd | EX-101.SCH | 115217
9 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE | pten-20121231_cal.xml | EX-101.CAL | 109759
10 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE | pten-20121231_def.xml | EX-101.DEF | 564818
11 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | pten-20121231_lab.xml | EX-101.LAB | 770384
12 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE | pten-20121231_pre.xml | EX-101.PRE | 672253

Mailing Address P O DRAWER 1416 SNYDER TX 79550
Business Address 4510 LAMESA HWY P O DRAWER 1416 SNYDER TX 79549 9155731104
PATTERSON UTI ENERGY INC (Filer) CIK: 0000889900 (see all company filings)

EIN.: 752504748 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-22664 | Film No.: 13601647
SIC: 1381 Drilling Oil & Gas Wells