Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001564590-18-009146-index.html | 2018-04-26 06:01:56 | |
| 0001564590-18-009146.txt | 2018-04-26 06:01:56 | |
| pten-8k_20180425.htm | 28538 | 2018-04-26 06:01:56 |
| pten-ex991_6.htm | 629913 | 2018-04-26 06:01:56 |