| Hausmann Unit O-2-11241 | Marathon Oil EF LLC only | Eagleville (Eagle Ford-2) | Karnes | 1 | 503K | 553K | Jul 2016 – Aug 2026 |
| Rusmag Caddo Conglomerate Unit O-13-11604 | Century Petroleum, Inc. only | Rusmag | Jack | 127 | 105K | 5.17K | by Jan 1993 – Aug 2026 |
| Hausmann O-3-22253 | Mag Exploration LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 87.3K | 185K | Nov 1993 – Feb 2022 |
| Hausmann O-3-23663 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 86.2K | 1.63M | Mar 1999 – Dec 2022 |
| Yates Water Flood Unit O-13-11035 | Century Petroleum, Inc. only | Rusmag | Jack | 21 | 84.4K | 94 | by Jan 1993 – Aug 2026 |
| Usm Oil Co. B O-10-35374 | Younger Energy Company only | Fort Stockton | Pecos | 2 | 54.6K | 0 | Jun 1997 – Sep 2018 |
| Franklin, E. C. O-13-15259 | Quest Petroleum Company only | Rusmag | Jack | 3 | 44.7K | 21 | by Jan 1993 – Mar 2023 |
| Usm Queen Unit 1 O-10-49496 | Stablerock Energy L.L.C. only | U S M (Queen) | Pecos | 74 | 44.6K | 0 | Feb 2018 – Apr 2024 |
| Roper O-13-25364 | Quest Petroleum Company only | Rusmag | Jack | 6 | 36.4K | 209K | by Jan 1993 – Apr 2026 |
| Ragsdale O-13-20832 | GO Oil Corp. only | Rusmag | Jack | 1 | 22K | 1.3K | by Jan 1993 – Mar 2025 |
| Johnson, M. U. O-13-15521 | Maguire Oil Company only | Rusmag | Jack | 1 | 19.3K | 2.52K | by Jan 1993 – Jun 2000 |
| Fore O-13-27442 | EOG Resources, Inc. only | Rusmag (Smith Sand) | Jack | 1 | 19.1K | 138K | by Jan 1993 – Mar 2006 |
| T. Spitzer Usmc O-13-33907 | Veteran Exploration & Prod, LLC only | Trans-Continental (Miss. 5550) | Archer | 1 | 18K | 0 | Aug 2019 – Dec 2025 |
| Jackson Heirs "A" O-13-28189 | EOG Resources, Inc. only | Rusmag (Ken Sand) | Jack | 1 | 17.8K | 215K | by Jan 1993 – Jun 2004 |
| J. Fite Usmc O-13-34048 | Veteran Exploration & Prod, LLC only | Trans-Continental (Caddo) | Archer | 1 | 14.6K | 0 | Aug 2021 – Apr 2026 |
| Trovillion Usmc O-13-33754 | Veteran Exploration & Prod, LLC only | Trans-Continental (Miss. 5550) | Archer | 1 | 12.8K | 0 | Jan 2018 – Aug 2025 |
| J. Dunham Usmc O-13-33810 | Veteran Exploration & Prod, LLC only | Trans-Continental (Miss. 5550) | Archer | 2 | 10.4K | 0 | Jun 2018 – Dec 2025 |
| Usm Shelton Pilot O-10-35168 | Stablerock Energy L.L.C. only | U S M (Queen) | Pecos | 8 | 9.9K | 27.7K | Aug 1997 – Nov 2017 |
| Usm-Hillin "A" O-10-25022 | Stablerock Energy L.L.C. only | U S M (Queen) | Pecos | 1 | 9.06K | 51.5K | by Jan 1993 – Dec 2017 |
| Usm-Hillin O-10-24965 | Stablerock Energy L.L.C. only | U S M (Queen) | Pecos | 1 | 8.94K | 27.3K | by Jan 1993 – Jan 2018 |
| Jackson Heirs "B" O-13-28282 | Century Petroleum, Inc. only | Rusmag (Ken Sand) | Jack | 1 | 8.47K | 324K | by Jan 1993 – Feb 2016 |
| Yates, Lela "A" O-13-27607 | Maguire Oil Company only | Rusmag (Camm Sand) | Jack | 1 | 8.33K | 48.7K | by Jan 1993 – Jun 1999 |
| Usm Hillin -B- O-10-27205 | Stablerock Energy L.L.C. only | U S M (Queen) | Pecos | 1 | 7.9K | 32.1K | by Jan 1993 – Jan 2018 |
| Slusher "D" O-13-26835 | Century Petroleum, Inc. only | Rusmag (Ken Sand) | Jack | 1 | 6.14K | 180K | by Jan 1993 – Dec 2012 |
| Slusher O-13-26984 | Century Petroleum, Inc. only | Rusmag (Ken Sand) | Jack | 1 | 5.69K | 200K | by Jan 1993 – Apr 2014 |
| Welch "A" O-13-22315 | Winfield Operating Company only | Rusmag, SE. (Congl. 4900) | Jack | 1 | 4.39K | 152K | by Jan 1993 – Feb 2013 |
| Acree O-13-19713 | Quest Petroleum Company only | Rusmag, North (Atoka Congl. -C-) | Jack | 1 | 4.18K | 35.6K | by Jan 1993 – Jan 2025 |
| Roper, A. O-13-19590 | Pursley, John only | Rusmag | Jack | 1 | 3.59K | 36K | by Jan 1993 – Apr 1998 |
| Abernathie, E. B. O-13-16933 | Century Petroleum, Inc. only | Rusmag | Jack | 1 | 3.51K | 140K | by Jan 1993 – Mar 2013 |
| Phelps Usmc O-13-33690 | Schenk Oil Co. only | Trans-Continental (Caddo) | Archer | 1 | 3.32K | 0 | Nov 2017 – Aug 2026 |
| Thornton O-13-30514 | McCutchin Petroleum Corporation only | Rusmag (Caddo Congl.) | Jack | 1 | 2.64K | 23.4K | Sep 2005 – Jan 2013 |
| Slusher "B" O-13-27121 | Century Petroleum, Inc. only | Rusmag (Smith Sand) | Jack | 1 | 2.61K | 81.5K | by Jan 1993 – Feb 2013 |
| Slusher "C" O-13-27153 | EOG Resources, Inc. only | Rusmag (Smith Sand) | Jack | 1 | 2.58K | 118K | by Jan 1993 – Oct 2008 |
| Slusher C O-13-26734 | Century Petroleum, Inc. only | Rusmag (Ken Sand) | Jack | 2 | 2.48K | 120K | by Jan 1993 – Sep 2011 |
| Jackson Heirs O-13-27085 | EOG Resources, Inc. only | Rusmag (Smith Sand) | Jack | 1 | 1.69K | 44.3K | by Jan 1993 – Jul 2001 |
| Acree, G. W. O-13-20503 | Quest Petroleum Company only | Rusmag, SE. (Congl. 4900) | Jack | 1 | 1.64K | 15.7K | by Jan 1993 – Jan 2025 |
| Poyner O-13-29800 | Excel Oil & Gas, Inc. only | Rusmag, SE. (Congl. 4900) | Jack | 1 | 1.41K | 83K | Jan 2000 – Dec 2009 |
| N. Elrod Usmc O-13-34012 | Veteran Exploration & Prod, LLC only | Trans-Continental (Miss. 5550) | Archer | 1 | 1.23K | 0 | Jan 2020 – Aug 2022 |
| Usm O-10-19607 | Clark, John M., Inc. only | Abell, Southeast (Clear Fork) | Pecos | 1 | 942 | 21 | by Jan 1993 – Sep 1994 |
| Roper O-13-28114 | TDC Engineering, Inc. only | Rusmag (Ken Sand) | Jack | 1 | 699 | 9.54K | by Jan 1993 – Oct 1993 |
| Hausmann, Henry C. O-2-8074 | Hunt Petroleum Corporation only | Perdido Creek (5650) | Goliad | 1 | 466 | 8.34K | May 1995 – Dec 1995 |
| Roper O-13-27242 | Maguire Oil Company only | Rusmag (East GC Oil Sand) | Jack | 1 | 348 | 9.54K | by Jan 1993 – Feb 1994 |
| Welch O-13-19951 | Pursley, John only | Rusmag, SE. (Congl. 4900) | Jack | 1 | 230 | 1.29K | by Jan 1993 – Jun 2002 |
| C. Hathcock Usmc O-13-33719 | Veteran Exploration & Prod, LLC only | Union Cemetery (Strawn) | Montague | 1 | 151 | 0 | Oct 2017 – Nov 2017 |
| Spencer, T. A. -A- O-13-20314 | Emerald Petroleum Corporation only | Rusmag | Jack | 1 | 124 | 3.24K | by Jan 1993 – Dec 1993 |
| Rusmag Caddo Conglomerate Unit O-13-29300 | 3-R Production, Inc. only | Rusmag | Jack | 1 | 0 | 0 | — |
| Rusmag Caddo Congl Unit #202 O-13-29768 | 3-R Production, Inc. only | Rusmag | Jack | 1 | 0 | 0 | — |
| Slusher "H" O-13-27104 | Maguire Oil Company only | Rusmag (Ken Sand) | Jack | 1 | 0 | 0 | — |
| Henderson, Carrie O-13-21291 | Mitchell Energy Corporation only | Rusmag, North (Atoka Congl. -C-) | Jack | 1 | 0 | 0 | — |
| Gregg, B. H. O-13-16713 | Double Eagle Petroleum Corp only | Rusmag | Jack | 2 | 0 | 0 | — |