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| 0000950123-10-043298-index.html | 2010-05-04 12:02:28 | |
| 0000950123-10-043298.txt | 2010-05-04 12:02:28 | |
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| d72628e10vq.htm | 316140 | 2010-05-04 12:02:28 |
| d72628exv10w3.htm | 14226 | 2010-05-04 12:02:28 |
| d72628exv31w1.htm | 5984 | 2010-05-04 12:02:28 |
| d72628exv31w2.htm | 6051 | 2010-05-04 12:02:28 |
| d72628exv32w1.htm | 2656 | 2010-05-04 12:02:28 |
| defnref.xml | 28106 | 2010-05-04 12:02:28 |
| FilingSummary.xml | 15561 | 2010-05-04 12:02:28 |
| Financial_Report.xls | 84480 | 2010-05-04 12:02:28 |
| pten-20100331.xml | 208438 | 2010-05-04 12:02:28 |
| pten-20100331.xsd | 12923 | 2010-05-04 12:02:28 |
| pten-20100331_cal.xml | 45986 | 2010-05-04 12:02:28 |
| pten-20100331_def.xml | 16543 | 2010-05-04 12:02:28 |
| pten-20100331_lab.xml | 173341 | 2010-05-04 12:02:28 |
| pten-20100331_pre.xml | 103290 | 2010-05-04 12:02:28 |
| R1.xml | 54446 | 2010-05-04 12:02:28 |
| R10.xml | 39310 | 2010-05-04 12:02:28 |
| R11.xml | 15762 | 2010-05-04 12:02:28 |
| R12.xml | 32462 | 2010-05-04 12:02:28 |
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| R15.xml | 14813 | 2010-05-04 12:02:28 |
| R16.xml | 11277 | 2010-05-04 12:02:28 |
| R17.xml | 9224 | 2010-05-04 12:02:28 |
| R18.xml | 21919 | 2010-05-04 12:02:28 |
| R19.xml | 9591 | 2010-05-04 12:02:28 |
| R2.xml | 101548 | 2010-05-04 12:02:28 |
| R20.xml | 10883 | 2010-05-04 12:02:28 |
| R3.xml | 35455 | 2010-05-04 12:02:28 |
| R4.xml | 122552 | 2010-05-04 12:02:28 |
| R5.xml | 184695 | 2010-05-04 12:02:28 |
| R6.xml | 21721 | 2010-05-04 12:02:28 |
| R7.xml | 124315 | 2010-05-04 12:02:28 |
| R8.xml | 38393 | 2010-05-04 12:02:28 |
| R9.xml | 15355 | 2010-05-04 12:02:28 |