| WBD San Andres Unit O-11-61879 | Osborn Heirs Company only | WBD (San Andres) | Yoakum | 10 | 333K | 199K | by Jan 1993 – Oct 2020 |
| Osborne, G.J. O-3-15919 | Southwest Operating, Inc.-Tyler only | Madisonville, NE. (Dexter) | Madison | 1 | 211K | 28.4K | by Jan 1993 – Aug 2026 |
| 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 |
| Pennzoil Fee O-3-15484 | Osborn,w.b. Oil & Gas Operations only | Houston, N. (Goodykoontz 7200) | Harris | 1 | 128K | 98K | by Jan 1993 – May 2015 |
| Citizens State Bank Unit O-3-16609 | Osborn,w.b. Oil & Gas Operations only | Houston, N. (Goodykoontz - 2ND) | Harris | 1 | 108K | 82.1K | by Jan 1993 – May 2015 |
| Becker, H. G. "B" O-6-11874 | Harleton Oil & Gas Inc. only | Rosborough Springs (Travis Peak) | Harrison | 1 | 106K | 102K | by Jan 1993 – Aug 2026 |
| Goodykoontz "A" O-3-13024 | Osborn,w.b. Oil & Gas Operations only | Fairbanks, N. (Goodykoontz 1ST) | Harris | 1 | 85.8K | 248K | by Jan 1993 – May 2015 |
| Osborne, Robert O-1-13831 | Alcor Energy, Inc. only | Nixon | Wilson | 1 | 76.8K | 6.5K | Jan 1994 – Jun 2012 |
| Osborne, G.J. Unit 1 O-3-15768 | Omimex Energy, Inc. only | Madisonville, NE. (Dexter) | Madison | 1 | 71.9K | 25.7K | by Jan 1993 – Apr 2011 |
| Powell O-9-17038 | Osborn Heirs Company only | Camar (Strawn-Oil) | Schleicher | 1 | 54.1K | 126K | Mar 2009 – Mar 2015 |
| Osborne, G.J. Unit 2 O-3-17493 | Omimex Energy, Inc. only | Madisonville, NE. (Dexter) | Madison | 1 | 51.1K | 21.8K | by Jan 1993 – Apr 2011 |
| Dorsett, Newton W. et al Lease O-6-13596 | BP America Production Company only | Rosborough Springs (Travis Peak) | Harrison | 2 | 39K | 325K | Oct 1996 – Jun 2013 |
| Fields, H. D. O-13-25497 | Osborn,w.b. Oil & Gas Operations only | Elm Fork (Congl.) | Montague | 1 | 26.7K | 446 | by Jan 1993 – Oct 2005 |
| Herndon O-8-32138 | Marshall R. Young Operating, LLC only | Osborne (Palo Pinto) | Taylor | 1 | 23.9K | 56.1K | May 2017 – Jul 2026 |
| Virgil J. Powell O-9-16969 | Osborn Heirs Company only | Camar (Strawn-Oil) | Schleicher | 1 | 22.9K | 198K | Jul 2009 – Mar 2015 |
| John Ivy Unit O-3-18700 | Osborn,w.b. Oil & Gas Operations only | Houston, North (Elm 7000) | Harris | 1 | 21.1K | 182K | by Jan 1993 – Feb 2003 |
| Osborne -A- O-14-3010 | Pantera Energy Company only | Panhandle Gray County Field | Gray | 3 | 20.6K | 245K | by Jan 1993 – Aug 2026 |
| Osborne, G. J. "B" O-3-23786 | Omimex Energy, Inc. only | Madisonville, NE. (Dexter) | Madison | 1 | 20.3K | 3.73K | Feb 2000 – Jan 2016 |
| Osborne O-14-2844 | Red Line Company, Ltd. only | Panhandle Gray County Field | Gray | 2 | 19.9K | 56.7K | by Jan 1993 – Aug 2026 |
| Bellows O-9-17366 | Osborn,w.b. Oil & Gas Operations only | Twelve Mile Creek (Devonian) | Crockett | 1 | 15.7K | 3.42K | Apr 2011 – Jul 2017 |
| Goodykoontz, W.W. O-3-18333 | Osborn,w.b. Oil & Gas Operations only | Houston, N. (Goodykoontz - 2ND) | Harris | 1 | 13.5K | 30.9K | Jul 2000 – May 2006 |
| Goodykoontz W. W. O-3-20910 | Osborn,w.b. Oil & Gas Operations only | Houston, North (Look 7000) | Harris | 1 | 10.3K | 10.8K | by Jan 1993 – Jan 1996 |
| Osborne, G.J. "B" O-3-17055 | Swift Energy Company only | Madisonville, NE. (Dexter) | Madison | 1 | 9.06K | 18 | by Jan 1993 – Feb 1995 |
| University C O-9-15436 | Osborn Heirs Company only | Block 38 (Canyon Sd.) | Crockett | 1 | 6.03K | 69.1K | Jul 2003 – Apr 2020 |
| Brown "A" O-8-26517 | Osborn Heirs Company only | Manning-Harrington (Miss. 4975) | Throckmorton | 1 | 5.11K | 29 | by Jan 1993 – Apr 1994 |
| Osborne O-14-9150 | LDX Operating Company, LLC. only | Kiowa Creek (Marmaton) | Ochiltree | 1 | 3.31K | 109K | Jun 2013 – Sep 2024 |
| Osborne, Cinco O-14-2783 | Ponderosa TX Operating LLC only | Panhandle Gray County Field | Gray | 7 | 3.18K | 26.2K | by Jan 1993 – Apr 2008 |
| Osborn, W. H. O-8-3294 | Sequoia Fossil Fuels, Inc. only | Shackelford County Regular | Shackelford | 7 | 2.31K | 11 | Oct 1993 – Oct 2004 |
| Hanks O-10-45502 | Osborn Heirs Company only | Cross Mesa (Pennsylvanian) | Pecos | 1 | 2.28K | 6.64K | Nov 2013 – Jul 2017 |
| Osborne O-14-2728 | Conocophillips Company only | Panhandle Gray County Field | Gray | 10 | 1.66K | 8.14K | by Jan 1993 – Aug 1994 |
| Osborne O-14-5467 | Midgard Energy Company only | Miami, N. (Douglas, Lo. -B-) | Roberts | 1 | 1.47K | 8.57K | by Jan 1993 – May 1996 |
| Block, E. Heirs "B" O-4-14238 | Osborn,w.b. Oil & Gas Operations only | Sun, West (8800) | Starr | 1 | 1.42K | 0 | May 2022 – Jul 2026 |
| Billie Hanks O-10-45542 | Osborn Heirs Company only | Cross Mesa (Pennsylvanian) | Pecos | 1 | 1.21K | 4.04K | Apr 2014 – Oct 2016 |
| Osborne, G. J. 'B' O-3-22871 | Cliffwood Production Co. only | Madisonville, NE (Georgetown) | Madison | 1 | 1.04K | 0 | Aug 1995 – Nov 1996 |
| Osborne "B" O-8-15898 | Ball Producing Co. only | Gorman (Ranger) | Eastland | 1 | 948 | 31.3K | by Jan 1993 – Sep 2018 |
| Fee O-4-4944 | Osborn Heirs Company only | Sun, North (Jewel) | Starr | 14 | 638 | 402 | by Jan 1993 – Jan 1993 |
| Osborne O-8-29209 | Tri-Tex Exploration Ltd only | Taylor County Regular | Taylor | 1 | 93 | 0 | Nov 2002 – Jan 2005 |
| Osborne O-8-29326 | Quantum Investments only | Osborne (Palo Pinto) | Taylor | 1 | 25 | 0 | Oct 2003 – Nov 2003 |
| Lynch, David O-6-11387 | Brammer Engineering, Inc. only | Rosborough Spring, E. (T. P.) | Harrison | 1 | 0 | 0 | — |
| Goodykoontz, W.W. "B" O-3-16327 | Osborn,w.b. Oil & Gas Operations only | Houston, N. (Goodykoontz - 2ND) | Harris | 2 | 0 | 0 | — |
| Industrial Inv. Co. a/C 2 O-3-18400 | Osborn,w.b. Oil & Gas Operations only | Amelia (Frio 5 Gas) | Jefferson | 1 | 0 | 0 | — |
| Fee O-4-4548 | Osborn Heirs Company only | Sun, North (Saenz -D-) | Starr | 2 | 0 | 0 | — |
| Fee O-4-4574 | Osborn Heirs Company only | Sun, North (5200 Sand) | Starr | 4 | 0 | 0 | — |
| Fee O-4-5097 | Osborn Heirs Company only | Sun, North (Waheah) | Starr | 3 | 0 | 0 | — |
| Cameron O-4-10442 | Osborn,w.b. Oil & Gas Operations only | Linda (5250 Sd.) | Starr | 1 | 0 | 0 | — |
| Fee O-4-10991 | Osborn Heirs Company only | Sun, North (4900) | Starr | 1 | 0 | 0 | — |
| Fee O-4-11854 | Osborn Heirs Company only | Sun, North (Burrito) | Starr | 1 | 0 | 0 | — |
| Osborne O-6-14397 | Ergon Energy Partners, L.P. only | Brookeland (Austin Chalk, 8800) | Tyler | 1 | 0 | 0 | — |
| Allar O-8-18918 | Osborne Oil Co. only | Timn (Mississippi) | Stephens | 5 | 0 | 0 | — |
| Millar, A. O-9-13201 | Osborn Heirs Company only | Lonesome Dove II (Goen) | Concho | 1 | 0 | 0 | — |