Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001564590-16-012285-index.html | 2016-02-04 06:15:17 | |
| 0001564590-16-012285.txt | 2016-02-04 06:15:17 | |
| pten-8k_20160204.htm | 31217 | 2016-02-04 06:15:17 |
| pten-ex991_6.htm | 1005019 | 2016-02-04 06:15:17 |