| Atkinson Island Unit O-3-26885 | Torrent Oil LLC only | Atkinson Island (Cons.) | Chambers | 11 | 852K | 640K | Oct 2015 – Sep 2024 |
| State Tract 126 O-3-14221 | Linc Gulf Coast Petroleum, Inc. only | Atkinson Island (Frio) | Chambers | 4 | 601K | 921K | Jan 1993 – Mar 2014 |
| Tweedy O-9-9252 | Lainco, Inc. only | Atkinson, W. (San Angelo) | Tom Green | 42 | 449K | 625 | Jan 1993 – Mar 2026 |
| Atkinson, J.W. O-1-9804 | Devon Energy Production Co, L.P. only | Loma Alta (3650) | McMullen | 4 | 358K | 36.2K | Jan 1993 – Jun 2016 |
| State Tract 127 A O-3-24150 | Linc Gulf Coast Petroleum, Inc. only | Atkinson Island (Frio) | Chambers | 3 | 322K | 1.55M | Feb 2002 – Jun 2013 |
| Holiday O-1-13958 | RBR Operating, Inc. only | Gasper (Atkinson Sand) | Wilson | 6 | 283K | 0 | Apr 1995 – Apr 2026 |
| State Tract 126A O-3-25550 | Linc Gulf Coast Petroleum, Inc. only | Atkinson Island (Frio) | Chambers | 1 | 250K | 323K | Sep 2010 – Mar 2014 |
| Hopper, Margaret et Al O-1-13975 | RBR Operating, Inc. only | Gasper (Atkinson Sand) | Wilson | 3 | 207K | 0 | Jun 1995 – Apr 2026 |
| Jones, E. D. "A" O-9-11012 | Core Petro, LLC only | Atkinson, W. (San Angelo) | Tom Green | 20 | 196K | 38 | Jan 1993 – Apr 2026 |
| Atkinson, J.W. -C- O-1-972 | Carburante Exploration Co, Ltd. only | Loma Alta (Wilcox) | McMullen | 2 | 181K | 6.17K | Jan 1993 – May 2022 |
| State Tract 126 O-3-26623 | Linc Gulf Coast Petroleum, Inc. only | Atkinson Island (Cons.) | Chambers | 5 | 129K | 62.4K | Apr 2014 – Sep 2015 |
| Carnes, Thomas J. O-2-7372 | Bay Rock Operating Company only | J.L.B. (Atkinson) | Atascosa | 2 | 129K | 22 | Jan 1993 – Jul 2020 |
| Iola-Yeager Unit O-3-22950 | Atkinson Energy Corporation only | Iola (Georgetown) | Grimes | 1 | 125K | 291K | Mar 1995 – May 2001 |
| Tweedy "S" O-9-11715 | Lainco, Inc. only | Atkinson, W. (San Angelo) | Tom Green | 7 | 99.3K | 96 | Jan 1993 – Aug 2022 |
| Atkinson, West /San Angelo/ Unit O-9-6080 | Core Petro, LLC only | Atkinson, W. (San Angelo) | Tom Green | 58 | 93K | 38 | Jan 1993 – Apr 2026 |
| Atkinson-Wells O-8-26575 | Safari Resources, LLC only | Throckmorton County Regular | Throckmorton | 2 | 85.2K | 1.38K | Jan 1993 – Apr 2026 |
| Ezzell, Rose O-1-3626 | Atkinson Operations LLC only | Dragoon Creek (Govt. Wells, Up.) | McMullen | 4 | 76.2K | 20 | Feb 1993 – Apr 2026 |
| State Tract 125 O-3-26817 | Linc Gulf Coast Petroleum, Inc. only | Atkinson Island (Cons.) | Chambers | 1 | 72.8K | 15.4K | Sep 2014 – Sep 2015 |
| Atkinson O-3-17156 | Leexus Oil LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 69.4K | 567K | Jan 1993 – Oct 2014 |
| Tausch, John Campbell O-2-7331 | Delray Oil, Inc. only | J.L.B. (Atkinson) | Karnes | 1 | 58.2K | 2.29K | Jan 1993 – Dec 2018 |
| Atkinson "970 O-8-24451 | Stovall Operating Co. only | Throckmorton County Regular | Throckmorton | 5 | 52.9K | 384K | Jan 1993 – Apr 2026 |
| Kentucky Trust 984 O-8-31129 | S.B. Street Operating, Inc. only | Parrott-Atkinson (Mississippian) | Throckmorton | 1 | 50.8K | 93.2K | Jan 2013 – Apr 2026 |
| State Tract 126 A O-3-26624 | Linc Gulf Coast Petroleum, Inc. only | Atkinson Island (Cons.) | Chambers | 3 | 49.9K | 19.5K | Apr 2014 – Sep 2015 |
| Atkinson O-10-44124 | Owl Ops LLC only | Garden City, S. (Wolfcamp) | Sterling | 1 | 49.7K | 85.5K | Jun 2013 – Apr 2026 |
| Graham Falls '985' O-8-31205 | S.B. Street Operating, Inc. only | Parrott-Atkinson (Mississippian) | Throckmorton | 2 | 45.3K | 0 | May 2013 – Apr 2026 |
| Atkinson, J. W. -A- O-1-8299 | Devon Energy Production Co, L.P. only | Loma Alta (4070) | McMullen | 2 | 44.8K | 29.4K | Jan 1993 – Sep 2005 |
| Thorp "T" O-9-12461 | Lipan Flats Production, L.L.C. only | Atkinson, W. (San Angelo) | Irion | 2 | 42.6K | 21 | Jan 1993 – Apr 2026 |
| M K Graham O-8-30934 | S.B. Street Operating, Inc. only | Parrott-Atkinson (Mississippian) | Throckmorton | 2 | 41K | 0 | Jun 2011 – Mar 2026 |
| Atkinson, Belle "C" O-8-20998 | Exlco, Inc. only | Woodson, North (Caddo Upper) | Throckmorton | 1 | 39.2K | 147K | Jan 1993 – Apr 2026 |
| Atkinson, Verna O-9-5563 | Texas Legacy Exploration LLC only | Buttes (Strawn) | Irion | 7 | 34.6K | 2.26K | Jan 1993 – Nov 2020 |
| Sawyer O-9-9591 | Core Petro, LLC only | Atkinson, W. (San Angelo) | Tom Green | 6 | 31.3K | 38 | Jan 1993 – Apr 2026 |
| Jones "C" O-9-9754 | Core Petro, LLC only | Atkinson, W. (San Angelo) | Tom Green | 5 | 29.1K | 73 | Jan 1993 – Apr 2026 |
| Stubblefield O-8-30648 | S.B. Street Operating, Inc. only | Parrott-Atkinson (Mississippian) | Throckmorton | 1 | 27K | 0 | Jan 2011 – Feb 2022 |
| Tweedy "D" O-9-12107 | Lainco, Inc. only | Atkinson, W. (San Angelo) | Tom Green | 5 | 26.4K | 96 | Jan 1993 – Mar 2023 |
| Atkinson, Viola O-3-12254 | Oklatex Energy, Inc. only | Amelia (Frio 6) | Jefferson | 1 | 24K | 440 | Jan 1993 – Jan 2025 |
| Atkinson, Belle "C" O-8-18996 | Exlco, Inc. only | Throckmorton County Regular | Throckmorton | 1 | 23.7K | 11.7K | Jan 1993 – Apr 2026 |
| Atkinson, W. B. "B" O-9-14073 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Reagan | 5 | 23.2K | 245K | Nov 1995 – May 2019 |
| Atkinson, Belle "D" O-8-21255 | Exlco, Inc. only | Woodson, North (Miss) | Throckmorton | 1 | 23.1K | 182 | Jan 1993 – Apr 2026 |
| Atkinson, W. B. O-9-14210 | Endeavor Energy Resources L.P. only | Spraberry (Trend Area) | Reagan | 1 | 22.7K | 124K | Nov 1995 – Apr 2019 |
| Atkinson O-13-31080 | Willowbend Investments, Inc. only | Buckstack (Tannehill) | Knox | 4 | 21.6K | 0 | Sep 2008 – Apr 2026 |
| Hopper, Margaret O-1-15168 | Rio-Tex, Inc. only | Gasper (Atkinson Sand) | Wilson | 1 | 21.2K | 0 | Apr 2010 – Mar 2026 |
| Atkinson "D" O-8-25585 | Exlco, Inc. only | Throckmorton County Regular | Throckmorton | 1 | 19.5K | 14.9K | Jan 1993 – Apr 2026 |
| Parrott-Lunsford Unit O-8-31620 | Stovall Operating Co. only | Parrott-Atkinson (Mississippian) | Throckmorton | 1 | 18.6K | 0 | Oct 2012 – May 2020 |
| M K Graham Estate 393 O-8-31298 | Stovall Operating Co. only | Parrott-Atkinson (Mississippian) | Throckmorton | 1 | 18.6K | 15.1K | Oct 2013 – Apr 2026 |
| Carnes-Stanley Unit O-2-7474 | Bay Rock Operating Company only | J.L.B. (Atkinson) | Atascosa | 1 | 18.5K | 22 | Jan 1993 – Mar 2013 |
| Guinn "A" O-9-9223 | Core Petro, LLC only | Atkinson, W. (San Angelo) | Tom Green | 1 | 18.4K | 36 | Jan 1993 – Apr 2026 |
| Atkinson, Ellen O-1-970 | Carburante Exploration Co, Ltd. only | Loma Alta | McMullen | 1 | 17.5K | 27 | Jan 1993 – Feb 2018 |
| Simpson-Mann "B" O-9-12350 | Core Petro, LLC only | Atkinson, W. (San Angelo) | Tom Green | 6 | 17.2K | 38 | Jan 1993 – Apr 2026 |
| Atkinson, W. B. "A" O-9-14074 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Glasscock | 5 | 17K | 151K | Nov 1995 – Dec 2018 |
| M K Graham '992' O-8-30694 | S.B. Street Operating, Inc. only | Parrott-Atkinson (Mississippian) | Throckmorton | 1 | 14.2K | 0 | Mar 2011 – Apr 2022 |