Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001564590-15-008542-index.html | 2015-10-22 06:30:16 | |
| 0001564590-15-008542.txt | 2015-10-22 06:30:16 | |
| pten-8k_20151022.htm | 30660 | 2015-10-22 06:30:16 |
| pten-ex991_9.htm | 995792 | 2015-10-22 06:30:16 |