| Welborn 20 O-10-43172 | Libertad Operating LLC only | Shafter Lake, N. (San Andres) | Andrews | 5 | 479K | 312K | Oct 2012 – Jul 2026 |
| Ironborn 34-27 A O-10-58942 | Birch Operations, Inc. only | Spraberry (Trend Area) | Dawson | 1 | 350K | 177K | Jul 2022 – Jul 2026 |
| WBD San Andres Unit O-11-61879 | Osborn Heirs Company only | WBD (San Andres) | Yoakum | 10 | 333K | 199K | Jan 1993 – Mar 2021 |
| Ironborn 34-27 C O-10-58895 | Birch Operations, Inc. only | Spraberry (Trend Area) | Dawson | 1 | 271K | 181K | Jul 2022 – Jul 2026 |
| Osborne, G.J. O-3-15919 | Southwest Operating, Inc.-Tyler only | Madisonville, NE. (Dexter) | Madison | 1 | 210K | 28.4K | Jan 1993 – Jul 2026 |
| Orsborn Unit O-8-20333 | Apache Corporation only | Katz (5100) | King | 29 | 169K | 19.8K | Jan 1993 – Dec 2009 |
| Weatherly-Pryor 5 O-9-17587 | Osborn,w.b. Oil & Gas Operations only | Noelke (Wolfcamp, Lower) | Crockett | 1 | 155K | 1.96K | Sep 2011 – Jul 2026 |
| Orsborn O-8-20334 | Apache Corporation only | Katz | King | 18 | 154K | 22.8K | Jan 1993 – May 2010 |
| Welborn O-11-66268 | Jetta Operating Company, Inc. only | Solley (Mississippian) | Gaines | 1 | 138K | 90.1K | Jan 1993 – Feb 2006 |
| Pennzoil Fee O-3-15484 | Osborn,w.b. Oil & Gas Operations only | Houston, N. (Goodykoontz 7200) | Harris | 1 | 128K | 98K | Jan 1993 – Jul 2015 |
| Citizens State Bank Unit O-3-16609 | Osborn,w.b. Oil & Gas Operations only | Houston, N. (Goodykoontz - 2ND) | Harris | 1 | 108K | 82.1K | Jan 1993 – Jul 2015 |
| Orsborn, Alma O-8-25760 | Apache Corporation only | Katz (5100) | Knox | 3 | 94.6K | 13.7K | Jan 1993 – Dec 2009 |
| Goodykoontz "A" O-3-13024 | Osborn,w.b. Oil & Gas Operations only | Fairbanks, N. (Goodykoontz 1ST) | Harris | 1 | 85.8K | 248K | Jan 1993 – Jul 2015 |
| Osborne, Robert O-1-13831 | Alcor Energy, Inc. only | Nixon | Wilson | 1 | 76.8K | 6.5K | Jan 1994 – Jul 2026 |
| Osborne, G.J. Unit 1 O-3-15768 | Omimex Energy, Inc. only | Madisonville, NE. (Dexter) | Madison | 1 | 71.9K | 25.7K | Jan 1993 – Oct 2013 |
| Abney O-6-12180 | Comstock Oil & Gas, LP only | Waskom (Wellborn Sand) | Harrison | 1 | 64.4K | 254K | Jan 1993 – May 2013 |
| Winborn, R.F. O-1-9677 | XTO Energy Inc. only | A.W.P. (Olmos) | McMullen | 2 | 55.6K | 253K | Jan 1993 – Jul 2026 |
| Powell O-9-17038 | Osborn Heirs Company only | Camar (Strawn-Oil) | Schleicher | 1 | 54.1K | 126K | Mar 2009 – Feb 2016 |
| Osborne, G.J. Unit 2 O-3-17493 | Omimex Energy, Inc. only | Madisonville, NE. (Dexter) | Madison | 1 | 51.1K | 21.8K | Jan 1993 – Dec 2013 |
| Bubela-Wendeborn O-8-26299 | R3 Operating Corporation only | Corsica (Bend Conglomerate) | Stonewall | 1 | 42.8K | 131K | Jan 1993 – Jul 2026 |
| Born 332 O-14-8462 | Highmark Energy Operating, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 42.1K | 1.08M | Oct 2011 – Jul 2026 |
| Born 1071 O-14-8342 | Chesapeake Operating, Inc. only | Kiowa Creek (Cleveland) | Lipscomb | 1 | 34.5K | 721K | Jul 2010 – Apr 2014 |
| Orsborn K O-8-31961 | Great American Resources Inc. only | Katz (Strawn) | King | 1 | 33.3K | 0 | Mar 2016 – Jul 2026 |
| Fields, H. D. O-13-25497 | Osborn,w.b. Oil & Gas Operations only | Elm Fork (Congl.) | Montague | 1 | 26.7K | 446 | Jan 1993 – Aug 2006 |
| Orsborn O-8-31070 | Sojourner Drilling Corporation only | Weaver Springs (Palo Pinto) | Taylor | 1 | 26.4K | 0 | Apr 2012 – Sep 2025 |
| Born 100 O-14-9705 | High River Res Operating, LLC only | Allen-Parker (Marmaton) | Ochiltree | 1 | 26.1K | 39.8K | Mar 2019 – Jul 2026 |
| Born 1076 O-14-8490 | Corlena Oil Company only | Kiowa Creek (Marmaton) | Lipscomb | 1 | 24.9K | 29.9K | Sep 2011 – Jul 2026 |
| Herndon O-8-32138 | Marshall R. Young Operating, LLC only | Osborne (Palo Pinto) | Taylor | 1 | 23.7K | 54.9K | May 2017 – Jul 2026 |
| Virgil J. Powell O-9-16969 | Osborn Heirs Company only | Camar (Strawn-Oil) | Schleicher | 1 | 22.9K | 198K | Jul 2009 – May 2016 |
| Orsborn Unit O-8-30432 | Great American Resources Inc. only | Katz (Strawn) | King | 19 | 21.3K | 0 | Nov 2009 – Jul 2026 |
| Wellborn Heirs O-6-12685 | Shelby, Michael H. only | Waskom (Wellborn Sand) | Harrison | 1 | 21.2K | 577K | Jan 1993 – Jul 2026 |
| John Ivy Unit O-3-18700 | Osborn,w.b. Oil & Gas Operations only | Houston, North (Elm 7000) | Harris | 1 | 21.1K | 182K | Jan 1993 – Aug 2003 |
| Orsborn O-11-67867 | Gunn Oil Company only | Kaia (Bend Congl.) | King | 1 | 20.8K | 11.7K | Jan 1998 – Nov 2011 |
| Osborne -A- O-14-3010 | Pantera Energy Company only | Panhandle Gray County Field | — | 3 | 20.5K | 244K | Jan 1993 – Jul 2026 |
| Osborne, G. J. "B" O-3-23786 | Omimex Energy, Inc. only | Madisonville, NE. (Dexter) | Madison | 1 | 20.3K | 3.73K | Dec 1999 – Nov 2016 |
| Osborne O-14-2844 | Red Line Company, Ltd. only | Panhandle Gray County Field | — | 2 | 19.8K | 56.4K | Jan 1993 – Jul 2026 |
| Bellows O-9-17366 | Osborn,w.b. Oil & Gas Operations only | Twelve Mile Creek (Devonian) | Crockett | 1 | 15.7K | 3.42K | Apr 2011 – Dec 2017 |
| Freeborn, Sidney O-1-7912 | Metco Oil Corporation only | Pearsall (Austin Chalk) | Frio | 1 | 15.3K | 21 | Jan 1993 – May 2002 |
| Freeborn-Floyd O-2-8375 | Slawson Exploration Company, Inc only | Ramirena, SW. (Sec. B, a Sand) | Jim Wells | 1 | 15.2K | 42.8K | Jun 1998 – Mar 2001 |
| Goodykoontz, W.W. O-3-18333 | Osborn,w.b. Oil & Gas Operations only | Houston, N. (Goodykoontz - 2ND) | Harris | 1 | 13.5K | 30.9K | Jan 1993 – Jul 2015 |
| Wendeborn O-8-14744 | Telesis Operating Co., Inc. only | Corsica (Bend Conglomerate) | Stonewall | 2 | 11.7K | 17.9K | Jan 1993 – Feb 2014 |
| Wendeborn O-8-31592 | R3 Operating Corporation only | Corsica (Bend Conglomerate) | Stonewall | 1 | 10.9K | 15.4K | Aug 2014 – Jul 2026 |
| Goodykoontz W. W. O-3-20910 | Osborn,w.b. Oil & Gas Operations only | Houston, North (Look 7000) | Harris | 1 | 10.3K | 10.8K | Jan 1993 – Sep 2000 |
| Osborne, G.J. "B" O-3-17055 | Swift Energy Company only | Madisonville, NE. (Dexter) | Madison | 1 | 9.06K | 18 | Jan 1993 – Jul 1998 |
| Orsborn O-8-30427 | Cholla Petroleum, Inc. only | Katz (Strawn) | King | 10 | 9.04K | 0 | Nov 2009 – Feb 2017 |
| Orsborn O-8-28453 | Sojourner Drilling Corporation only | Weaver Springs (Palo Pinto) | Taylor | 1 | 8.72K | 1.45K | Apr 1998 – Sep 2025 |
| V. M. Claborn O-13-33490 | BKV Barnett, LLC only | Boonsville (Atoka Congl. 6010) | Wise | 2 | 8.15K | 203K | Feb 2016 – Apr 2026 |
| Tiller, M. R. O-6-12267 | CLR Secondary Recovery, LLC only | Waskom (Wellborn Sand) | Harrison | 1 | 8.14K | 361K | Jan 1993 – Jul 2026 |
| Orsborn, E. J. O-8-4523 | M-Tex Resources, Inc. only | Blair (Tannehill) | — | 1 | 6.68K | 19 | Jan 1993 – Aug 2006 |
| University C O-9-15436 | Osborn Heirs Company only | Block 38 (Canyon Sd.) | Crockett | 1 | 6.03K | 69.1K | Jul 2003 – Mar 2021 |