| 375415 | Location | 2230252 | COGCC LETTER TO HEC PETROLEUM INC. | 119948 | 9/4/2012 | Download |
| 375415 | Location | 673504371 | Inspection Photos | 1745488 | 6/2/2017 | Download |
| 375415 | Location | 401298584 | INSPECTION SUBMITTED | 96985 | 6/2/2017 | Download |
| 375415 | Location | 673504370 | INSPECTION APPROVED | 97156 | 6/9/2017 | Download |
| 375415 | Location | 696105404 | Inspection Photos | 12090342 | 9/7/2022 | Download |
| 375415 | Location | 696105390 | INSPECTION APPROVED | 91165 | 9/7/2022 | Download |