Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-21-030783-index-headers.html | 2021-05-28 16:00:58 | |
| 0001564590-21-030783-index.html | 2021-05-28 16:00:58 | |
| 0001564590-21-030783.txt | 2021-05-28 16:00:58 | |
| pten-ex101_6.htm | 560261 | 2021-05-28 16:00:58 |
| pten-sd.htm | 23079 | 2021-05-28 16:00:58 |