Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001564590-19-012869-index.html | 2019-04-25 06:09:11 | |
| 0001564590-19-012869.txt | 2019-04-25 06:09:11 | |
| pten-8k_20190425.htm | 28529 | 2019-04-25 06:09:11 |
| pten-ex991_6.htm | 626858 | 2019-04-25 06:09:11 |