# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000950123-11-013816
Filing Date
2011-02-14
Accepted
2011-02-14 19:24:05
Documents
13
Period of Report
2010-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | FORM 10-K | d78488e10vk.htm | 10-K | 1268675
2 | EX-21.1 | d78488exv21w1.htm | EX-21.1 | 3145
3 | EX-23.1 | d78488exv23w1.htm | EX-23.1 | 1292
4 | EX-31.1 | d78488exv31w1.htm | EX-31.1 | 8846
5 | EX-31.2 | d78488exv31w2.htm | EX-31.2 | 9296
6 | EX-32.1 | d78488exv32w1.htm | EX-32.1 | 5806
13 | GRAPHIC | d78488d7848801.gif | GRAPHIC | 7146
| Complete submission text file | 0000950123-11-013816.txt |  | 5059540

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
7 | EX-101 INSTANCE DOCUMENT | pten-20101231.xml | EX-101.INS | 732937
8 | EX-101 SCHEMA DOCUMENT | pten-20101231.xsd | EX-101.SCH | 16665
9 | EX-101 CALCULATION LINKBASE DOCUMENT | pten-20101231_cal.xml | EX-101.CAL | 52740
10 | EX-101 LABELS LINKBASE DOCUMENT | pten-20101231_lab.xml | EX-101.LAB | 194433
11 | EX-101 PRESENTATION LINKBASE DOCUMENT | pten-20101231_pre.xml | EX-101.PRE | 116807
12 | EX-101 DEFINITION LINKBASE DOCUMENT | pten-20101231_def.xml | EX-101.DEF | 19661

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.: 11611187
SIC: 1381 Drilling Oil & Gas Wells