Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001564590-18-024985-index.html | 2018-10-25 06:03:50 | |
| 0001564590-18-024985.txt | 2018-10-25 06:03:50 | |
| pten-8k_20181025.htm | 28585 | 2018-10-25 06:03:50 |
| pten-ex991_6.htm | 1207115 | 2018-10-25 06:03:50 |