| 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-6-215651 | Burk Royalty Co., Ltd. only | Brookeland (Austin Chalk, 8800) | Tyler | 1 | 247K | 2.24M | Oct 2004 – Aug 2026 |
| 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 |
| Lard Ranch-Osborne G-14-263812 | Unbridled Resources, LLC only | Lard Ranch (Granite Wash -C-) | Roberts | 1 | 103K | 1.89M | Oct 2011 – 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 |
| Lard Ranch-Osborne G-14-246838 | Unbridled Resources, LLC only | Lard Ranch (Granite Wash -C-) | Roberts | 1 | 38.4K | 1.09M | Sep 2008 – Aug 2026 |
| Lynch, David G-6-110790 | Brammer Engineering, Inc. only | Rosborough Spring, E. (Pet-Page) | Harrison | 1 | 30.7K | 1.65M | by Jan 1993 – Jun 2026 |
| 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 |
| Rosborough, Dr. J.F. Gas Unit G-6-247326 | Brookston Energy, Inc. only | Blocker (Cotton Valley) | Harrison | 1 | 23.8K | 3.36M | Mar 2009 – Aug 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 |
| Block, E. Heirs "B" G-4-167516 | Osborn,w.b. Oil & Gas Operations only | Sun, West (8800) | Starr | 1 | 18.6K | 309K | Mar 1998 – Dec 2021 |
| East Block Heirs "B" G-4-163762 | Osborn,w.b. Oil & Gas Operations only | Sun, West (8800) | Starr | 1 | 16.1K | 261K | Jul 1997 – May 2011 |
| 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 |
| Kincaid G-9-213016 | Osborn Heirs Company only | Amacker-Tippett, S. (Wolfcamp) | Upton | 1 | 14.8K | 315K | Nov 2005 – Sep 2020 |
| Marian Osborne 26 G-14-241472 | Bce-Mach III LLC only | Red Deer Creek (Granite Wash) | Roberts | 1 | 14.4K | 1.14M | Jul 2008 – Aug 2026 |
| Lard Ranch-Osborne G-14-226434 | Chesapeake Operating, Inc. only | Lard Ranch (Granite Wash -C-) | Roberts | 1 | 13.6K | 245K | Dec 2006 – Aug 2007 |
| 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 |
| Osborne, Marion 26 G-14-177017 | Bce-Mach III LLC only | Red Deer Creek (Granite Wash) | Roberts | 1 | 13.4K | 1.45M | Apr 2000 – Aug 2026 |
| Marian Osborn 26 G-14-233993 | Bce-Mach III LLC only | Red Deer Creek (Granite Wash) | Roberts | 1 | 13.2K | 1.76M | Jan 2008 – Aug 2026 |
| Lard Ranch-Osborne G-14-241282 | Unbridled Resources, LLC only | Lard Ranch (Granite Wash -C-) | Roberts | 1 | 11.8K | 224K | Aug 2008 – May 2012 |
| Osborne 35 G-14-216746 | Bce-Mach III LLC only | Red Deer Creek (Granite Wash) | Roberts | 1 | 11.8K | 689K | Apr 2006 – Aug 2026 |
| Osborne, Marian 26 G-14-202272 | Bce-Mach III LLC only | Red Deer Creek (Granite Wash) | Roberts | 1 | 11.2K | 1.44M | May 2004 – Aug 2026 |
| Osborne, Mario 26 G-14-214020 | Bce-Mach III LLC only | Red Deer Creek (Granite Wash) | Roberts | 1 | 10.7K | 886K | Jan 2006 – Sep 2022 |
| 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 |
| Rosborough Gas Unit "B" G-6-235530 | Mmgl East Texas III, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 9.52K | 1.24M | Dec 2007 – Aug 2026 |
| Rosborough, Dr. J.F. Gas Unit G-6-104968 | Brookston Energy, Inc. only | Blocker (Cotton Valley) | Harrison | 1 | 9.15K | 882K | by Jan 1993 – Aug 2026 |
| Osborne, Marion 26 G-14-215723 | Bce-Mach III LLC only | Red Deer Creek (Granite Wash) | Roberts | 1 | 9.12K | 730K | Feb 2006 – Dec 2020 |
| Osborne, G.J. "B" O-3-17055 | Swift Energy Company only | Madisonville, NE. (Dexter) | Madison | 1 | 9.06K | 18 | by Jan 1993 – Feb 1995 |
| Hall-Osborne 66 G-14-247504 | Bce-Mach III LLC only | Red Deer Creek (Granite Wash) | Roberts | 1 | 8.89K | 430K | Jul 2007 – Aug 2026 |
| Marian Osborne 26 G-14-243903 | Bce-Mach III LLC only | Red Deer Creek (Granite Wash) | Roberts | 1 | 8.5K | 535K | Aug 2008 – Aug 2026 |
| Osborne 35 G-14-223667 | Bce-Mach III LLC only | Red Deer Creek (Granite Wash) | Roberts | 1 | 8.19K | 464K | Dec 2006 – Sep 2018 |
| Osborne G-6-94264 | SM Energy Company only | Carthage (Cotton Valley) | Panola | 1 | 7.56K | 611K | by Jan 1993 – Sep 2013 |
| Osborne G-14-138273 | Cimarex Energy Co. of Colorado only | Shreikey, West (Albany Dolomite) | Roberts | 1 | 7.37K | 840K | by Jan 1993 – Feb 2008 |
| Osborne, Marion 26 G-14-212800 | Bce-Mach III LLC only | Red Deer Creek (Granite Wash) | Roberts | 1 | 7.22K | 730K | Sep 2005 – Aug 2026 |
| Osborne, Marian 26 G-14-226023 | Bce-Mach III LLC only | Red Deer Creek (Granite Wash) | Roberts | 1 | 7.12K | 732K | Jan 2007 – Aug 2026 |
| Osborne, Marion 26 G-14-81024 | Bce-Mach III LLC only | Red Deer Creek (Granite Wash) | Roberts | 1 | 7.05K | 837K | by Jan 1993 – Aug 2026 |