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|---|---|---|
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| 0000320575-12-000009-index.html | 2012-11-01 10:28:35 | |
| 0000320575-12-000009.txt | 2012-11-01 10:28:35 | |
 0000320575-12-000009-xbrl.zip | 238132 | 2012-11-01 10:28:35 |
| a2012q310q.htm | 1677274 | 2012-11-01 10:28:35 |
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| a2012q3exhibit46.htm | 16594 | 2012-11-01 10:28:35 |
| FilingSummary.xml | 24598 | 2012-11-01 10:28:35 |
| Financial_Report.xls | 2500028 | 2012-11-01 10:28:35 |
| pes-20120930.xml | 2858879 | 2012-11-01 10:28:35 |
| pes-20120930.xsd | 57697 | 2012-11-01 10:28:35 |
| pes-20120930_cal.xml | 82485 | 2012-11-01 10:28:35 |
| pes-20120930_def.xml | 358231 | 2012-11-01 10:28:35 |
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| report.css | 2721 | 2012-11-01 10:28:35 |
 rigcountandspotpricecharts.jpg | 74794 | 2012-11-01 10:28:35 |
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