| Gladden M.O. a #242-417-39829 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 2,222 | Feb 24, 2026 | 1 | — |
| Gladden M.O. #1042-417-39827 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 571 | Nov 21, 2025 | 1 | Aug 2026 |
| Gladden M.O. a #142-417-39822 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 2,251 | Oct 27, 2025 | 1 | Aug 2026 |
| Gladden, M.O. #742-417-39799 | Oaktree Oil Companypermit operator | ShackelfordShackelford County Regular | Drilled | 1,000 | May 9, 2024 | 1 | — |
| Gladden M.O. #842-417-39800 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 400 | May 9, 2024 | 1 | Aug 2026 |
| Gladden, M.O. #942-417-39801 | Oaktree Oil Companypermitted by · no operator of record | ShackelfordShackelford County Regular | Not on schedule | 1,000 | May 9, 2024 | 1 | — |
| Gladden M.O. #542-417-39769 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 200 | Mar 29, 2023 | 1 | Aug 2026 |
| Gladden M.O. #642-417-39770 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 200 | Mar 29, 2023 | 1 | Aug 2026 |
| Snyder Mineral Trust #742-417-37267 | Delray Oil Inc. only | ShackelfordShackelford County Regular | PluggedOil | 1,000 | Jun 4, 2012 | 2 | Jun 1994 |
| Caldwell #1442-417-39278 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 852 | Apr 13, 2012 | 1 | Aug 2026 |
| Norman Helon Snyder #142-417-39184 | Oaktree Oil Company only | ShackelfordShackelford County Regular | PluggedOil | 1,000 | Apr 22, 2011 | 1 | — |
| Petree Grady #2042-417-34317 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 705 | Mar 2, 2010 | 2 | Aug 2026 |
| Caldwell #1242-417-39049 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 822 | Feb 17, 2010 | 1 | Aug 2026 |
| Caldwell #11__42-417-38389 | Oaktree Oil Companypermitted by · no operator of record | ShackelfordShackelford County Regular | Plugged | 1,300 | Mar 5, 2003 | 1 | — |
| Caldwell #1042-417-38387 | Oaktree Oil Company only | ShackelfordShackelford County Regular | PluggedOil | 1,300 | Feb 26, 2003 | 1 | Aug 2026 |
| Petree Grady #1942-417-38018 | Oaktree Oil Company only | ShackelfordShackelford County Regular | PluggedOil | 1,000 | Mar 18, 1996 | 1 | Aug 2026 |
| Caldwell #942-417-38019 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 855 | Mar 18, 1996 | 1 | Aug 2026 |
| McFarlane #8__42-417-37910 | Oaktree Oil Companypermitted by · no operator of record | ShackelfordShackelford County Regular | Plugged | 1,300 | Feb 8, 1995 | 1 | — |
| Caldwell #8__42-417-37911 | Oaktree Oil Companypermitted by · no operator of record | ShackelfordShackelford County Regular | Plugged | 1,300 | Feb 7, 1995 | 1 | — |
| Petree Grady #1842-417-37672 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 860 | Apr 23, 1993 | 1 | Aug 2026 |
| Caldwell #742-417-37550 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveInjection | 926 | Oct 4, 1991 | 1 | Aug 2026 |
| McFarlane #7__42-417-37535 | Oaktree Oil Companypermitted by · no operator of record | ShackelfordShackelford County Regular | Plugged | 1,300 | Aug 27, 1991 | 1 | — |
| McFarlane #642-417-37536 | Oaktree Oil Companypermitted by · no operator of record | ShackelfordShackelford County Regular | Not on schedule | 1,300 | Aug 27, 1991 | 1 | — |
| Petree Grady #242-417-34316 | Oaktree Oil Company only | ShackelfordShackelford County Regular | PluggedOil | 900 | Apr 12, 1991 | 2 | Aug 2026 |
| De Lafosse #1342-417-37494 | Oaktree Oil Company only | ShackelfordShackelford County Regular | PluggedOil | 1,000 | Apr 9, 1991 | 1 | Aug 2026 |
| Caldwell #642-417-37497 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 1,009 | Apr 5, 1991 | 1 | Aug 2026 |
| De Lafosse #1242-417-37492 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 413 | Mar 26, 1991 | 1 | Aug 2026 |
| De Lafosse #1142-417-37493 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 820 | Mar 26, 1991 | 1 | Aug 2026 |
| Petree Grady #1742-417-37489 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 880 | Mar 20, 1991 | 1 | Aug 2026 |
| Grady Petree #1542-417-37461 | Oaktree Oil Companypermitted by · no operator of record | ShackelfordShackelford County Regular | Plugged | 1,000 | Dec 20, 1990 | 1 | — |
| Petree Grady #1642-417-37462 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 915 | Dec 19, 1990 | 1 | Aug 2026 |
| Petree Grady #1442-417-37457 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 860 | Dec 5, 1990 | 1 | Aug 2026 |
| Petree Grady #1342-417-37377 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveInjection | 952 | Apr 6, 1990 | 1 | Aug 2026 |
| Petree Grady #1242-417-37374 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 1,000 | Mar 20, 1990 | 1 | Aug 2026 |
| Petree Grady #11__42-417-37357 | Oaktree Oil Companypermitted by · no operator of record | ShackelfordShackelford County Regular | Plugged | 975 | Jan 26, 1990 | 1 | — |
| McFarlane #5__42-417-37248 | Oaktree Oil Companypermitted by · no operator of record | ShackelfordShackelford County Regular | Plugged | 1,300 | Mar 10, 1989 | 1 | — |
| Petree Grady #1042-417-37234 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 945 | Feb 2, 1989 | 1 | Aug 2026 |
| McFarlane #442-417-37146 | Oaktree Oil Company only | ShackelfordShackelford County Regular | PluggedOil | 1,300 | Feb 25, 1988 | 1 | Oct 2014 |
| McFarlane #342-417-37119 | Oaktree Oil Companypermitted by · no operator of record | ShackelfordShackelford County Regular | Plugged | 1,300 | Nov 17, 1987 | 1 | — |
| McFarlane #142-417-37040 | Oaktree Oil Company only | ShackelfordShackelford County Regular | PluggedOil | 1,300 | May 1, 1987 | 1 | Oct 2014 |
| McFarlane #2D42-417-37041 | Oaktree Oil Company only | ShackelfordShackelford County Regular | PluggedOil | 1,300 | May 1, 1987 | 1 | Oct 2014 |
| Caldwell #542-417-36913 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 850 | Jun 23, 1986 | 1 | Aug 2026 |
| Delafosse #3__42-417-36834 | Oaktree Oil Companypermitted by · no operator of record | ShackelfordShackelford County Regular | Plugged | 500 | Feb 27, 1986 | 1 | — |
| De Lafosse #1042-417-36782 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 425 | Jan 31, 1986 | 1 | Aug 2026 |
| Delafosse #2__42-417-36772 | Oaktree Oil Companypermitted by · no operator of record | ShackelfordShackelford County Regular | Plugged | 500 | Jan 28, 1986 | 1 | — |
| Caldwell #442-417-36702 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 860 | Dec 3, 1985 | 1 | Aug 2026 |
| Caldwell #342-417-36465 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 854 | Aug 9, 1985 | 1 | Aug 2026 |
| Grady Pefree #9__42-417-36186 | Oaktree Oil Companypermitted by · no operator of record | ShackelfordShackelford County Regular | Plugged | 900 | Feb 8, 1985 | 1 | — |
| Delafosse #1__42-417-36154 | Oaktree Oil Companypermitted by · no operator of record | ShackelfordShackelford County Regular | Plugged | 900 | Jan 29, 1985 | 1 | — |
| De Lafosse #942-417-35865 | Oaktree Oil Company only | ShackelfordShackelford County Regular | ActiveOil | 395 | Jul 2, 1984 | 1 | Aug 2026 |