Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001564590-17-007404-index.html | 2017-04-27 06:02:42 | |
| 0001564590-17-007404.txt | 2017-04-27 06:02:42 | |
| pten-8k_20170427.htm | 32549 | 2017-04-27 06:02:42 |
| pten-ex991_6.htm | 661977 | 2017-04-27 06:02:42 |