Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001564590-18-001598-index.html | 2018-02-08 06:03:03 | |
| 0001564590-18-001598.txt | 2018-02-08 06:03:03 | |
| pten-8k_20180208.htm | 28596 | 2018-02-08 06:03:03 |
| pten-ex991_6.htm | 1171230 | 2018-02-08 06:03:03 |