Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-21-004932-index-headers.html | 2021-11-30 06:02:32 | |
| 0000950170-21-004932-index.html | 2021-11-30 06:02:32 | |
| 0000950170-21-004932.txt | 2021-11-30 06:02:32 | |
 0000950170-21-004932-xbrl.zip | 12611 | 2021-11-30 06:02:32 |
| FilingSummary.xml | 1733 | 2021-11-30 06:02:32 |
| Financial_Report.xlsx | 5703 | 2021-11-30 06:02:32 |
| MetaLinks.json | 18811 | 2021-11-30 06:02:32 |
| pten-20211130.htm | 66535 | 2021-11-30 06:02:32 |
| pten-20211130.xsd | 2495 | 2021-11-30 06:02:32 |
| pten-20211130_htm.xml | 4705 | 2021-11-30 06:02:32 |
| pten-20211130_lab.xml | 17757 | 2021-11-30 06:02:32 |
| pten-20211130_pre.xml | 11064 | 2021-11-30 06:02:32 |
| pten-ex99_1.htm | 9011 | 2021-11-30 06:02:32 |
 pten-ex99_1s1.jpg | 41459 | 2021-11-30 06:02:32 |
 pten-ex99_1s10.jpg | 85247 | 2021-11-30 06:02:32 |
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 pten-ex99_1s3.jpg | 61152 | 2021-11-30 06:02:32 |
 pten-ex99_1s4.jpg | 64789 | 2021-11-30 06:02:32 |
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 pten-ex99_1s6.jpg | 42971 | 2021-11-30 06:02:32 |
 pten-ex99_1s7.jpg | 51167 | 2021-11-30 06:02:32 |
 pten-ex99_1s8.jpg | 42319 | 2021-11-30 06:02:32 |
 pten-ex99_1s9.jpg | 69268 | 2021-11-30 06:02:32 |
| R1.htm | 40137 | 2021-11-30 06:02:32 |
| report.css | 2767 | 2021-11-30 06:02:32 |
| Show.js | 1085 | 2021-11-30 06:02:32 |