| Nail Tract 20 #442-417-39844 | Clavo Oil, LLCpermit operator | Shackelford | Permitted | 2,000 | Sep 18, 2026 | 1 | — |
| Nail Tract 20 #542-417-39845 | Clavo Oil, LLCpermit operator | Shackelford | Permitted | 2,000 | Sep 18, 2026 | 1 | — |
| Nail Tract 20 #342-417-39796 | Clavo Oil LLC | ShackelfordNail Tract 20 (Cook Sand) | ActiveOil | 1,497 | May 1, 2024 | 1 | Aug 2026 |
| Nail Ranch Block 4 #780342-417-39785 | Clavo Oil LLC | ShackelfordShackelford County Regular | ActiveOil | 1,531 | Aug 17, 2023 | 1 | Aug 2026 |
| Nail Ranch Block 4 #780242-417-39786 | Clavo Oil LLC | ShackelfordShackelford County Regular | ActiveOil | 1,590 | Aug 17, 2023 | 1 | Aug 2026 |
| Nail Ranch Block 4 #780142-417-39752 | Clavo Oil LLC | ShackelfordShackelford County Regular | ActiveOil | 1,600 | Sep 9, 2022 | 1 | Aug 2026 |
| Nail 151 #142-417-39724 | Clavo Oil LLC | ShackelfordKrooked Cliff (Miss.) | Shut inOil | 5,150 | Mar 23, 2021 | 1 | May 2024 |
| Nail Ranch 150 #142-417-39717 | Clavo Oil LLC | ShackelfordShackelford County Regular | Shut inOil | 4,056 | Sep 9, 2020 | 1 | — |
| Nail J. H. -a- #5142-417-39677 | Clavo Oil LLC | ShackelfordNail | ActiveOil | 1,836 | Mar 22, 2019 | 1 | Aug 2026 |
| Nail Ranch Block 3 #700942-417-39599 | Clavo Oil LLC | ShackelfordShackelford County Regular | ActiveOil | 1,200 | Jul 12, 2016 | 1 | Aug 2026 |
| Nail Ranch Block 3 #691542-417-39600 | Clavo Oil LLC | ShackelfordShackelford County Regular | ActiveOil | 1,276 | May 2, 2016 | 1 | Aug 2026 |
| Nail J. H. -D- #1A42-417-38182 | Clavo Oil LLC | ShackelfordShackelford County Regular | Shut inOil | 1,629 | Aug 7, 2014 | 2 | Apr 2023 |
| Nail Ranch Block 3 #691442-417-39475 | Clavo Oil LLC | ShackelfordShackelford County Regular | ActiveOil | 1,475 | Apr 16, 2014 | 1 | Aug 2026 |
| Nail Ranch Block 3 #700842-417-39426 | Clavo Oil LLC | ShackelfordShackelford County Regular | ActiveOil | 1,355 | Jul 11, 2013 | 1 | Aug 2026 |
| Nail Ranch Block 3 #700742-417-39411 | Clavo Oil LLC | ShackelfordShackelford County Regular | ActiveOil | 2,000 | Jun 14, 2013 | 1 | Aug 2026 |
| Nail Ranch Block 3 #691242-417-39401 | Clavo Oil LLC | ShackelfordShackelford County Regular | ActiveOil | 2,000 | May 16, 2013 | 1 | Aug 2026 |
| Nail Ranch Block 3 #700542-417-39384 | Clavo Oil LLC | ShackelfordShackelford County Regular | ActiveOil | 2,000 | Apr 4, 2013 | 1 | Aug 2026 |
| Nail Ranch Block 3 #691142-417-39375 | Clavo Oil LLC | ShackelfordShackelford County Regular | ActiveOil | 2,000 | Mar 14, 2013 | 1 | Aug 2026 |
| Nail Ranch Block 3 #700142-417-39344 | Clavo Oil LLC | ShackelfordShackelford County Regular | ActiveOil | 1,475 | Dec 3, 2012 | 1 | Aug 2026 |
| Nail Ranch Block 3 #690742-417-39347 | Clavo Oil LLC | ShackelfordShackelford County Regular | ActiveOil | 1,505 | Dec 3, 2012 | 1 | Aug 2026 |
| Nail Ranch Block 3 #690642-417-39318 | Clavo Oil LLC | ShackelfordShackelford County Regular | ActiveInjection | 1,461 | Sep 10, 2012 | 1 | Aug 2026 |
| Nail Ranch Block 3 #690442-417-39289 | Clavo Oil LLC | ShackelfordShackelford County Regular | ActiveOil | 1,416 | Jun 11, 2012 | 1 | Aug 2026 |
| Nail Block 3 #242-417-39284 | Clavo Oil LLC | ShackelfordShackelford County Regular | Shut inOil | 6,353 | May 8, 2012 | 2 | — |
| Nail Ranch Block 3 #690342-417-39260 | Clavo Oil LLC | ShackelfordShackelford County Regular | ActiveWater Supply | 1,955 | Mar 2, 2012 | 1 | Aug 2026 |
| Nail Ranch Block 3 #690242-417-39259 | Clavo Oil LLC | ShackelfordShackelford County Regular | ActiveOil | 1,446 | Feb 23, 2012 | 1 | Aug 2026 |
| Nail 135 (M-J) #1142-417-38995 | Clavo Oil LLC | ShackelfordRoark-Nail | Shut inOil | 1,573 | Jul 13, 2009 | 1 | Jul 2024 |
| Nail J. H. -D- #1942-417-38978 | Clavo Oil LLC | ShackelfordShackelford County Regular | Shut inOil | 1,735 | Apr 17, 2009 | 1 | Apr 2023 |
| Nail 47 #142-417-38632 | Clavo Oil LLC | ShackelfordWildcat | Shut inOil | 4,995 | Sep 11, 2006 | 1 | — |
| Nail Tract 20 #242-417-38505 | Clavo Oil LLC | ShackelfordNail Tract 20 (Cook Sand) | ActiveInjection | 1,612 | Apr 18, 2005 | 1 | Aug 2026 |
| Nail Ranch 691 #142-417-38250 | Clavo Oil LLC | ShackelfordShackelford County Regular | ActiveOil | 1,350 | Sep 21, 2004 | 2 | Aug 2026 |
| Stasney 2 #142-417-38031 | Clavo Oil LLC | ShackelfordBrandon Alexander (Caddo) | PluggedOil | 4,800 | Nov 12, 1997 | 4 | Mar 2014 |
| Nail 103 B #3S42-417-37987 | Clavo Oil LLC | ShackelfordAntelope Creek (Bluff Creek) | Temporarily abandonedGas | 1,703 | Dec 12, 1995 | 1 | Aug 2010 |
| Nail 103 #2S42-417-37927 | Clavo Oil LLC | ShackelfordShackelford County Regular | ActiveInjection | 1,387 | Apr 19, 1995 | 1 | Sep 2009 |
| Nail 103 #1S42-417-37843 | Clavo Oil LLC | ShackelfordAntelope Creek (Bluff Creek) | Temporarily abandonedGas | 1,379 | Aug 1, 1994 | 1 | Jul 2008 |
| Nail 103 Unit #342-417-37820 | Clavo Oil LLC | ShackelfordAntelope Hills (Caddo) | Shut inOil | 5,065 | May 26, 1994 | 1 | Aug 2026 |
| Nail 103 #242-417-37724 | Clavo Oil LLC | ShackelfordAntelope Hills (Caddo Upper) | Temporarily abandonedGas | 5,110 | Aug 6, 1993 | 1 | Dec 2023 |
| Nail 103 Unit #142-417-37706 | Clavo Oil LLC | ShackelfordAntelope Hills (Caddo) | ActiveOil | 5,115 | Jun 8, 1993 | 1 | Aug 2026 |
| Nail J. H. -a- #2742-417-01594 | Clavo Oil LLC | ShackelfordNail | ActiveOil | 1,657 | Jun 12, 1992 | 1 | Aug 2026 |
| Nail Chloe A. #5B42-417-37356 | Clavo Oil LLC | ShackelfordShackelford County Regular | Shut inOil | 1,600 | Jan 16, 1990 | 1 | Aug 2026 |
| Nail 125 #242-417-37276 | Clavo Oil LLC | ShackelfordRoark (Tannehill) | ActiveOil | 1,565 | May 23, 1989 | 1 | Aug 2026 |
| Nail -124A- #642-417-37054 | Clavo Oil LLC | ShackelfordNail (Cook Upper) | Shut inOil | 1,522 | Jun 8, 1987 | 1 | Dec 2023 |
| Nail 125 #142-417-36909 | Clavo Oil LLC | ShackelfordRoark (Tannehill) | ActiveOil | 1,475 | Jun 11, 1986 | 1 | Aug 2026 |
| Nail Ome 125 4B #4B42-417-36857 | Clavo Oil LLC | ShackelfordShackelford County Regular | PluggedOil | 1,750 | Mar 31, 1986 | 1 | — |
| Nail Ranch 125 #6B42-417-36851 | Clavo Oil LLC | ShackelfordRoark (Tannehill) | PluggedOil | 1,750 | Mar 17, 1986 | 1 | Aug 2026 |
| Nail Ranch 125 #j 2042-417-36781 | Clavo Oil LLC | ShackelfordRoark (Tannehill) | ActiveOil | 1,730 | Feb 4, 1986 | 1 | Aug 2026 |
| NR 125 #j 18B42-417-36778 | Clavo Oil LLC | ShackelfordRoark (Tannehill) | ActiveOil | 1,476 | Jan 30, 1986 | 1 | Aug 2026 |
| Nail Ranch 125 #j 14B42-417-36729 | Clavo Oil LLC | ShackelfordRoark (Tannehill) | ActiveOil | 1,750 | Dec 18, 1985 | 1 | Aug 2026 |
| Nail Ranch 125 #j 11B42-417-36680 | Clavo Oil LLC | ShackelfordRoark (Tannehill) | PluggedOil | 1,750 | Nov 22, 1985 | 1 | Aug 2026 |
| Nail Ranch 125 #j 10B42-417-36664 | Clavo Oil LLC | ShackelfordRoark (Tannehill) | PluggedOil | 1,750 | Nov 15, 1985 | 1 | Aug 2026 |
| Nail -124A- #342-417-36646 | Clavo Oil LLC | ShackelfordNail (Cook Upper) | ActiveInjection | 1,693 | Nov 6, 1985 | 1 | Dec 2023 |