| McFaddin O-2-3432 | Allegiant Resources, LLC | McFaddin (4400) | 85 | 2.68M | 1.9M | Jan 1993 – Jul 2026 |
| Ford Grant Unit O-2-10948 | Allegiant Resources, LLC | Bloomington (4600) | 30 | 1.03M | 792K | Mar 2014 – Jul 2026 |
| Traylor, T.P. "B" O-2-7684 | McGowan Working Partners, Inc. | Heyser (5400 #2) | 8 | 1.03M | 509K | Jan 1993 – Jul 2026 |
| Keeran -A- O-2-2249 | Texas Operating Partners LLC | Koontz (4750) | 21 | 864K | 639K | Jan 1993 – Jul 2026 |
| Keeran O-2-8806 | Scout Energy Ltd Liability Co | Koontz (5600) | 3 | 509K | 909K | Jun 2003 – Jul 2026 |
| Keeran O-2-9047 | Scout Energy Ltd Liability Co | Koontz (4750) | 10 | 497K | 1.49M | Aug 2005 – Jul 2026 |
| Terrell -B- O-2-4510 | Petra Oleum Corp. | Coletto Creek (2800) | 7 | 480K | 142K | Jan 1993 – Jul 2026 |
| Shelton, Ben O-2-8316 | Southern Bay Operating, L.L.C. | Ben Shelton (7400) | 2 | 467K | 445K | Oct 1997 – Apr 2010 |
| Keeran Estate O-2-2246 | Scout Energy Ltd Liability Co | Koontz (4750) | 9 | 426K | 829K | Jan 1993 – Jul 2026 |
| McCan, C.K. Jr. "A" O-2-6107 | Scout Energy Ltd Liability Co | Salem (1820) | 16 | 408K | 1.92K | Jan 1993 – Jul 2026 |
| Zimmer, John O-2-4505 | Petra Oleum Corp. | Coletto Creek (2800) | 8 | 346K | 81.4K | Jan 1993 – Jul 2026 |
| Keeran O-2-8509 | Unit Petroleum Company | Agula Creek (Frio 8450) | 2 | 331K | 444K | Dec 1999 – Aug 2019 |
| Dietzel, Ed. O-2-4351 | Petex | Pridham Lake, West (Catahoula) | 6 | 316K | 3.76K | Jan 1993 – Jul 2026 |
| Witte O-2-7646 | Mandarin Oil & Gas Company | Pridham Lake, West (Catahoula) | 10 | 311K | 21 | Jan 1993 – Jul 2026 |
| Wheless-Marek O-2-11837 | Allegiant Resources, LLC | Placedo | 1 | 303K | 97.8K | Dec 2018 – Jul 2026 |
| Marek O-2-1186 | Allegiant Resources, LLC | Placedo | 4 | 271K | 129K | Jan 1993 – Jul 2026 |
| Averill, Terrell Etta O-2-4506 | Petra Oleum Corp. | Coletto Creek (2800) | 10 | 270K | 12.2K | Jan 1993 – Jul 2026 |
| Helweg, Alvin O-2-7676 | Jad Oil, Inc. | Pridham Lake, West (Catahoula) | 4 | 251K | 202 | Jan 1993 – Jul 2026 |
| Traylor, T. P. -B- O-2-3180 | McGowan Working Partners, Inc. | Heyser (5400 #3) | 3 | 238K | 139K | Jan 1993 – Jul 2026 |
| Gray-Schneider O-2-11589 | Allegiant Resources, LLC | Placedo | 1 | 235K | 85.5K | Jan 2018 – Jul 2026 |
| Reyes O-2-8811 | Corum Production Company | Championship (Frio 6800) | 1 | 231K | 101K | Jul 2003 – Jul 2026 |
| Parenica O-2-11634 | Allegiant Resources, LLC | Placedo | 3 | 231K | 113K | Jun 2018 – Jul 2026 |
| Beeler Unit O-2-10637 | Kaler Energy Corp. | Pridham Lake, West (Catahoula) | 5 | 214K | 73.2K | Mar 2013 – Jul 2026 |
| Wheless-Marek B O-2-11860 | Allegiant Resources, LLC | Placedo | 1 | 211K | 79.6K | May 2019 – Jul 2026 |
| Bass, M. F. -A- O-2-4361 | Mandarin Oil & Gas Company | Pridham Lake (Tyng) | 2 | 207K | 21 | Jan 1993 – Jul 2026 |
| McCan, C.K. O-2-7561 | Allegro Investments, Inc. | Sawgrass (Cordele Sd.) | 8 | 207K | 1.33K | Jan 1993 – Feb 2003 |
| Vandenberg & Hill O-2-8999 | Garancho Operating LLC | Placedo, East (6910 Sand) | 3 | 206K | 397K | Nov 2005 – Jul 2026 |
| Keeran Ranch O-2-10290 | Remora Management, LLC | Greta (4750) | 2 | 204K | 73.7K | Apr 2012 – Jul 2026 |
| O'Connor, Mary Ellen O-2-7933 | O'Connor Energy Management, LLC | Mary Ellen Oconnor (FS-75) | 16 | 192K | 500K | Oct 1993 – Jul 2026 |
| Union Keeran O-2-8537 | Remora Management, LLC | Keeran (6130) | 1 | 188K | 90.5K | Jun 1999 – Jul 2026 |
| McFaddin O-2-6706 | Allegiant Resources, LLC | McFaddin (5300) | 8 | 180K | 482K | Jan 1993 – Jul 2026 |
| Wheless-Sklar O-2-11639 | Allegiant Resources, LLC | Placedo | 1 | 172K | 95.7K | Apr 2018 – Jul 2026 |
| Coffey, W. V. O-2-6371 | Fredco | Heyser (6000) | 2 | 169K | 371K | Jan 1993 – Jul 2026 |
| Stubblefield, Beulah O-2-118 | Allegiant Resources, LLC | Bloomington (4600) | 4 | 165K | 69.3K | Jan 1993 – Jul 2026 |
| Heins O-2-10597 | Aldine Oil and Gas, LP | Bloomington (4600) | 1 | 164K | 0 | Jul 2013 – Jul 2026 |
| Dietzel, Herman Estate O-2-6068 | Petex | Coletto Creek, East (2900) | 8 | 164K | 644 | Jan 1993 – Jul 2026 |
| Henderson-Schneider O-2-11889 | Allegiant Resources, LLC | Placedo | 2 | 161K | 84.1K | Jul 2019 – Jul 2026 |
| Gray O-2-1192 | Allegiant Resources, LLC | Placedo | 4 | 161K | 90.5K | Jan 1993 – Jul 2026 |
| Placedo Ranch O-2-9386 | Legend Energy Texas, LLC | Placedo, East (6540) | 1 | 160K | 123K | Jan 2010 – Jul 2026 |
| Salinas, J. O-2-8816 | Big Lake Corporation | Cologne (4700) | 4 | 159K | 99.5K | Aug 2003 – Jul 2026 |
| Vandenberg & Hill O-2-9252 | Garancho Operating LLC | Placedo, East (6900 Sd.) | 3 | 155K | 56K | Jun 2008 – Jul 2026 |
| Keeran Ranch O-2-9365 | Remora Management, LLC | Keeran, North (4700) | 6 | 152K | 61.7K | Sep 2009 – Jul 2026 |
| Gray-Fee O-2-11506 | Allegiant Resources, LLC | Placedo | 1 | 151K | 61.3K | Sep 2017 – Jul 2026 |
| Coffey, W. V. O-2-8478 | Fredco | Heyser (5700) | 1 | 144K | 122K | Oct 1999 – Jul 2026 |
| Gray-Wheless O-2-11579 | Allegiant Resources, LLC | Placedo | 1 | 144K | 70.8K | Mar 2018 – Jul 2026 |
| Henderson O-2-1168 | Allegiant Resources, LLC | Placedo | 6 | 143K | 28.1K | Jan 1993 – Jul 2026 |
| Vandenberg & Hill O-2-10984 | Garancho Operating LLC | Placedo, East (6850) | 3 | 142K | 81.6K | Aug 2014 – Jul 2026 |
| Henderson Schovajsa O-2-11619 | Allegiant Resources, LLC | Placedo | 1 | 138K | 78.3K | Mar 2018 – Jul 2026 |
| Buhler O-2-1199 | Allegiant Resources, LLC | Placedo | 9 | 138K | 64K | Jan 1993 – Jul 2026 |
| McFaddin O-2-6572 | Allegiant Resources, LLC | McFaddin (5720) | 5 | 133K | 320K | Jan 1993 – Jul 2026 |