Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000320575-15-000039-index-headers.html | 2015-04-30 09:05:00 | |
| 0000320575-15-000039-index.html | 2015-04-30 09:05:00 | |
| 0000320575-15-000039.txt | 2015-04-30 09:05:00 | |
 0000320575-15-000039-xbrl.zip | 242247 | 2015-04-30 09:05:00 |
| exhibit101-eustaceagreement.htm | 26790 | 2015-04-30 09:05:00 |
| exhibit3111q2015.htm | 11949 | 2015-04-30 09:05:00 |
| exhibit3121q2015.htm | 11806 | 2015-04-30 09:05:00 |
| exhibit3211q2015.htm | 5959 | 2015-04-30 09:05:00 |
| exhibit3221q2015.htm | 5994 | 2015-04-30 09:05:00 |
| FilingSummary.xml | 25458 | 2015-04-30 09:05:00 |
| Financial_Report.xls | 1867913 | 2015-04-30 09:05:00 |
| Financial_Report.xlsx | 205785 | 2015-04-30 09:05:00 |
| form10q-1q2015.htm | 1345519 | 2015-04-30 09:05:00 |
 marketpricesandrigcounts.jpg | 50822 | 2015-04-30 09:05:00 |
| pes-20150331.xml | 2042025 | 2015-04-30 09:05:00 |
| pes-20150331.xsd | 66620 | 2015-04-30 09:05:00 |
| pes-20150331_cal.xml | 103498 | 2015-04-30 09:05:00 |
| pes-20150331_def.xml | 421338 | 2015-04-30 09:05:00 |
| pes-20150331_lab.xml | 804428 | 2015-04-30 09:05:00 |
| pes-20150331_pre.xml | 553538 | 2015-04-30 09:05:00 |
| R1.htm | 27377 | 2015-04-30 09:05:00 |
| R10.htm | 34376 | 2015-04-30 09:05:00 |
| R11.htm | 55814 | 2015-04-30 09:05:00 |
| R12.htm | 99090 | 2015-04-30 09:05:00 |
| R13.htm | 8496 | 2015-04-30 09:05:00 |
| R14.htm | 501020 | 2015-04-30 09:05:00 |
| R15.htm | 52827 | 2015-04-30 09:05:00 |
| R16.htm | 36195 | 2015-04-30 09:05:00 |
| R17.htm | 20847 | 2015-04-30 09:05:00 |
| R18.htm | 17547 | 2015-04-30 09:05:00 |
| R19.htm | 31902 | 2015-04-30 09:05:00 |
| R2.htm | 151089 | 2015-04-30 09:05:00 |
| R20.htm | 48481 | 2015-04-30 09:05:00 |
| R21.htm | 107605 | 2015-04-30 09:05:00 |
| R22.htm | 504212 | 2015-04-30 09:05:00 |
| R23.htm | 134436 | 2015-04-30 09:05:00 |
| R24.htm | 19309 | 2015-04-30 09:05:00 |
| R25.htm | 42379 | 2015-04-30 09:05:00 |
| R26.htm | 9732 | 2015-04-30 09:05:00 |
| R27.htm | 108994 | 2015-04-30 09:05:00 |
| R28.htm | 196173 | 2015-04-30 09:05:00 |
| R29.htm | 23423 | 2015-04-30 09:05:00 |
| R3.htm | 29917 | 2015-04-30 09:05:00 |
| R30.htm | 12757 | 2015-04-30 09:05:00 |
| R31.htm | 8473 | 2015-04-30 09:05:00 |
| R32.htm | 34059 | 2015-04-30 09:05:00 |
| R33.htm | 78683 | 2015-04-30 09:05:00 |
| R34.htm | 16532 | 2015-04-30 09:05:00 |
| R35.htm | 21966 | 2015-04-30 09:05:00 |
| R36.htm | 19401 | 2015-04-30 09:05:00 |
| R37.htm | 35727 | 2015-04-30 09:05:00 |
| R38.htm | 11621 | 2015-04-30 09:05:00 |
| R39.htm | 54929 | 2015-04-30 09:05:00 |
| R4.htm | 86095 | 2015-04-30 09:05:00 |
| R40.htm | 24897 | 2015-04-30 09:05:00 |
| R41.htm | 25386 | 2015-04-30 09:05:00 |
| R42.htm | 5941 | 2015-04-30 09:05:00 |
| R43.htm | 220199 | 2015-04-30 09:05:00 |
| R44.htm | 151924 | 2015-04-30 09:05:00 |
| R45.htm | 118285 | 2015-04-30 09:05:00 |
| R5.htm | 136953 | 2015-04-30 09:05:00 |
| R6.htm | 63188 | 2015-04-30 09:05:00 |
| R7.htm | 21253 | 2015-04-30 09:05:00 |
| R8.htm | 52948 | 2015-04-30 09:05:00 |
| R9.htm | 20980 | 2015-04-30 09:05:00 |
| report.css | 2740 | 2015-04-30 09:05:00 |
| Show.js | 1410 | 2015-04-30 09:05:00 |