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| 0001283140-13-000014-index.html | 2013-02-27 16:22:50 | |
| 0001283140-13-000014.txt | 2013-02-27 16:22:50 | |
 0001283140-13-000014-xbrl.zip | 326352 | 2013-02-27 16:22:50 |
| exhibit1068firstamendmentt.htm | 13205 | 2013-02-27 16:22:50 |
| exhibit1073theexecutivenon.htm | 286248 | 2013-02-27 16:22:50 |
| exhibit1077annualincentive.htm | 24432 | 2013-02-27 16:22:50 |
| exhibit211-subsidiaries.htm | 7639 | 2013-02-27 16:22:50 |
| exhibit231-eyconsent.htm | 4732 | 2013-02-27 16:22:50 |
| FilingSummary.xml | 34098 | 2013-02-27 16:22:50 |
| Financial_Report.xls | 3363508 | 2013-02-27 16:22:50 |
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| hep-20121231.xsd | 66969 | 2013-02-27 16:22:50 |
| hep-20121231_cal.xml | 93560 | 2013-02-27 16:22:50 |
| hep-20121231_def.xml | 455368 | 2013-02-27 16:22:50 |
| hep-20121231_lab.xml | 835862 | 2013-02-27 16:22:50 |
| hep-20121231_pre.xml | 582845 | 2013-02-27 16:22:50 |
| hep12-31x201210k.htm | 4075844 | 2013-02-27 16:22:50 |
| hepex31112-31x201210k.htm | 12755 | 2013-02-27 16:22:50 |
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| report.css | 2721 | 2013-02-27 16:22:50 |
| Show.js | 6423 | 2013-02-27 16:22:50 |