| Columbus Field Unit #51042-089-32778 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | Shut inOil | 12,499 | Sep 6, 2024 | 1 | Jul 2026 |
| Hastedt a #542-089-32767 | Strand Energy L.C. only | ColoradoColumbus (Consolidated) | ActiveGas | 12,654 | Feb 11, 2022 | 1 | Jul 2026 |
| Columbus Field Unit #50442-089-00060 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | ActiveOil | 9,767 | Jan 31, 2022 | 7 | Jul 2026 |
| Marek #142-089-32764 | Strand Energy L.C. only | ColoradoColumbus (Consolidated) | ActiveOil | 10,600 | Nov 4, 2021 | 1 | Jul 2026 |
| Cullen H. R. et al #942-089-32160 | Strand Energy L.C. only | ColoradoColumbus (Consolidated) | ActiveGas | 10,477 | Apr 16, 2021 | 2 | Jul 2026 |
| Cullen H.R. et al #1242-089-32761 | Strand Energy L.C. only | ColoradoColumbus (Consolidated) | ActiveOil | 9,150 | Apr 14, 2021 | 1 | Jul 2026 |
| Cullen H. R. et al #1142-089-32748 | Strand Energy L.C. only | ColoradoColumbus (Consolidated) | ActiveGas | 10,500 | Dec 22, 2017 | 1 | Jul 2026 |
| Brune #142-089-32743 | Strand Energy L.C. only | ColoradoColumbus (Consolidated) | Shut inOil | 7,950 | Jul 20, 2017 | 1 | Jul 2026 |
| Cullen-Hastedt #1042-089-32738 | Strand Energy L.C. only | ColoradoColumbus (Consolidated) | ActiveGas | 10,500 | Feb 17, 2017 | 2 | Jul 2026 |
| Columbus Field Unit #170942-089-31213 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | Temporarily abandonedGas | 16,432 | Aug 9, 2010 | 5 | Jul 2026 |
| Kollman Heirs #142-089-32525 | Strand Energy L.C. only | ColoradoColumbus (Consolidated) | ActiveOil | 10,532 | Apr 2, 2007 | 1 | Jul 2026 |
| Wegenhoft #242-089-30650 | Magnum Producing LP only | ColoradoHamel South (9350) | PluggedGas | 16,200 | Sep 30, 2004 | 4 | Aug 2022 |
| Columbus Field Unit #50142-089-00027 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | ActiveOil | 10,754 | Jul 19, 2001 | 4 | Jul 2026 |
| Hastedt Emma B #442-089-00047 | Strand Energy L.C. only | ColoradoColumbus (Consolidated) | PluggedOil | 9,765 | Mar 30, 2001 | 7 | Jul 2026 |
| Columbus Field Unit #102042-089-31800 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | ActiveOil | 10,700 | Sep 21, 2000 | 3 | Jul 2026 |
| Columbus Field Unit #50842-089-32085 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | ActiveGas | 10,350 | Aug 10, 2000 | 2 | Jul 2026 |
| Columbus Field Unit #50642-089-00064 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | ActiveGas | 10,501 | Jun 23, 2000 | 2 | Jul 2026 |
| Columbus Field Unit #110442-089-32138 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | ActiveInjection | 9,900 | Jun 13, 2000 | 3 | Jul 2026 |
| Columbus Field Unit #160442-089-31801 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | Temporarily abandonedGas | 10,814 | Apr 28, 2000 | 10 | Jul 2026 |
| Hastedt Emma B #1742-089-31993 | Strand Energy L.C. only | ColoradoColumbus (Consolidated) | PluggedGas | 10,500 | Mar 17, 2000 | 3 | Nov 2022 |
| Hastedt Emma B #1842-089-32165 | Strand Energy L.C. only | ColoradoColumbus (Consolidated) | ActiveOil | 9,150 | Mar 16, 2000 | 3 | Jul 2026 |
| Columbus Field Unit #100842-089-00304 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | Temporarily abandonedGas | 10,267 | Feb 18, 2000 | 4 | Jul 2026 |
| Columbus Field Unit #170442-089-00035 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | ActiveGas | 10,288 | Jan 28, 2000 | 1 | Jul 2026 |
| Columbus Field Unit #101842-089-31723 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | Temporarily abandonedGas | 10,630 | Dec 13, 1999 | 8 | Jul 2026 |
| Moebes Leona K #242-089-00053 | Mosaic Oil LLC only | ColoradoColumbus (Consolidated) | ActiveGas | 9,667 | Dec 9, 1999 | 3 | Jul 2026 |
| Isgrig #142-089-32179 | Indexgeo & Associates Inc. only | ColoradoColumbus (Consolidated) | PluggedGas | 4,650 | Oct 29, 1999 | 1 | Aug 2004 |
| Columbus Field Unit #101-L42-089-00031 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | Temporarily abandonedGas | 10,191 | Oct 7, 1999 | 1 | Jul 2026 |
| Columbus Field Unit #50742-089-32080 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | ActiveOil | 10,475 | Aug 23, 1999 | 4 | Jul 2026 |
| Columbus Field Unit #50242-089-00061 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | Temporarily abandonedGas | 10,289 | Jul 29, 1999 | 4 | Jul 2026 |
| Cullen H. R. et al #742-089-31152 | Strand Energy L.C. only | ColoradoColumbus (Consolidated) | ActiveGas | 12,506 | Jul 2, 1999 | 6 | Jul 2026 |
| Columbus Field Unit #60642-089-32140 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | ActiveOil | 10,400 | May 20, 1999 | 1 | Jul 2026 |
| Columbus Field Unit #50942-089-32141 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | ActiveOil | 10,540 | May 20, 1999 | 1 | Jul 2026 |
| Columbus Field Unit #101642-089-00808 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | ActiveOil | 8,938 | May 18, 1999 | 4 | Jul 2026 |
| Columbus Field Unit #101542-089-00824 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | ActiveGas | 10,424 | May 17, 1999 | 6 | Jul 2026 |
| Columbus Field Unit #171042-089-32137 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | Temporarily abandonedGas | 10,400 | May 12, 1999 | 2 | Jul 2026 |
| Columbus Field Unit #60342-089-00056 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | Temporarily abandonedGas | 10,217 | May 7, 1999 | 1 | Jul 2026 |
| Columbus Field Unit #102642-089-32135 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | ActiveOil | 10,400 | May 6, 1999 | 1 | Jul 2026 |
| Columbus Field Unit #101242-089-00300 | Devon Energy Production Co L.P. only | ColoradoColumbus (Consolidated) | PluggedGas | 10,450 | Apr 14, 1999 | 6 | Jul 2026 |
| Columbus Field Unit #101342-089-00825 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | Shut inOil | 10,315 | Dec 3, 1998 | 6 | Jul 2026 |
| Columbus Field Unit #50542-089-00059 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | Temporarily abandonedGas | 9,729 | Oct 26, 1998 | 2 | Jul 2026 |
| Cullen H. R. et al #842-089-31745 | Dune Operating Company only | ColoradoColumbus (Consolidated) | PluggedGas | 12,000 | Oct 19, 1998 | 5 | Jun 2014 |
| Columbus Field Unit #101142-089-00305 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | Temporarily abandonedGas | 10,473 | Sep 8, 1998 | 3 | Jul 2026 |
| Columbus Field Unit #101742-089-31724 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | ActiveOil | 10,650 | Aug 14, 1998 | 4 | Jul 2026 |
| Columbus Field Unit #100942-089-00037 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | ActiveGas | 9,750 | Jul 24, 1998 | 1 | Jul 2026 |
| Columbus Field Unit #170342-089-00310 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | Temporarily abandonedGas | 9,814 | Jul 7, 1998 | 1 | Jul 2026 |
| Columbus Field Unit #102542-089-32082 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | ActiveOil | 10,500 | Jul 7, 1998 | 1 | Jul 2026 |
| Columbus Field Unit #102442-089-32079 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | ActiveOil | 10,000 | Jun 18, 1998 | 2 | Jul 2026 |
| Columbus Field Unit #160542-089-31799 | Rusk Energy Operating LLC only | ColoradoColumbus (Consolidated) | ActiveGas | 10,800 | May 28, 1998 | 3 | Jul 2026 |
| Hastedt Emma B #1542-089-31892 | Strand Energy L.C. only | ColoradoColumbus (Consolidated) | ActiveGas | 10,500 | Oct 27, 1997 | 3 | Jul 2026 |
| Hastedt Emma B #1642-089-31911 | Strand Energy L.C. only | ColoradoColumbus (Consolidated) | ActiveGas | 10,428 | Oct 27, 1997 | 2 | Jul 2026 |