Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-17-020080-index-headers.html | 2017-10-26 06:03:10 | |
| 0001564590-17-020080-index.html | 2017-10-26 06:03:10 | |
| 0001564590-17-020080.txt | 2017-10-26 06:03:10 | |
| pten-8k_20171026.htm | 32807 | 2017-10-26 06:03:10 |
| pten-ex991_6.htm | 1082853 | 2017-10-26 06:03:10 |