Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-21-001990-index-headers.html | 2021-10-04 08:21:50 | |
| 0000950170-21-001990-index.html | 2021-10-04 08:21:50 | |
| 0000950170-21-001990.txt | 2021-10-04 08:21:50 | |
 0000950170-21-001990-xbrl.zip | 18265 | 2021-10-04 08:21:50 |
| FilingSummary.xml | 1765 | 2021-10-04 08:21:50 |
| Financial_Report.xlsx | 5705 | 2021-10-04 08:21:50 |
| MetaLinks.json | 18811 | 2021-10-04 08:21:50 |
| pten-20211004.htm | 78331 | 2021-10-04 08:21:50 |
| pten-20211004.xsd | 2495 | 2021-10-04 08:21:50 |
| pten-20211004_htm.xml | 4705 | 2021-10-04 08:21:50 |
| pten-20211004_lab.xml | 17757 | 2021-10-04 08:21:50 |
| pten-20211004_pre.xml | 11064 | 2021-10-04 08:21:50 |
| pten-ex2_2.htm | 76214 | 2021-10-04 08:21:50 |
| pten-ex99_1.htm | 15277 | 2021-10-04 08:21:50 |
| R1.htm | 40137 | 2021-10-04 08:21:50 |
| report.css | 2767 | 2021-10-04 08:21:50 |
| Show.js | 1085 | 2021-10-04 08:21:50 |