Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-19-025943-index-headers.html | 2019-07-25 06:01:20 | |
| 0001564590-19-025943-index.html | 2019-07-25 06:01:20 | |
| 0001564590-19-025943.txt | 2019-07-25 06:01:20 | |
| pten-8k_20190725.htm | 28978 | 2019-07-25 06:01:20 |
| pten-ex991_6.htm | 1321235 | 2019-07-25 06:01:20 |