| Davis, J. H. P. Estate O-3-4625 | P.o.&g. Operating, LLC only | Thompson, SE. (Frio) | Fort Bend | 18 | 5.06M | 3.05M | Jan 1993 – Apr 2026 |
| Lockwood & Sharp -A- O-3-4116 | P.o.&g. Operating, LLC only | Thompson | Fort Bend | 62 | 4.11M | 4.19M | Jan 1993 – Mar 2026 |
| Lockwood, H. P. O-3-4114 | P.o.&g. Operating, LLC only | Thompson | Fort Bend | 44 | 3.95M | 3.87M | Jan 1993 – Apr 2026 |
| Thomas O-10-50222 | Diamondback E&P LLC only | Spraberry (Trend Area) | Martin | 16 | 3.46M | 8.06M | Oct 2017 – Apr 2026 |
| Booth, F. I., Etal -A- O-3-4099 | P.o.&g. Operating, LLC only | Thompson | Fort Bend | 65 | 3.36M | 2.56M | Jan 1993 – Mar 2026 |
| Price-Thomas O-11-63563 | Aviator Energy, LLC only | Forbes (Glorieta) | Crosby | 64 | 3.11M | 282K | Jan 1993 – Apr 2026 |
| O'Connor, Thomas -C- O-2-2876 | Hilcorp Energy Company only | Tom Oconnor (5900 Sand) | Refugio | 59 | 2.99M | 2.17M | Jan 1993 – Apr 2026 |
| Thomas Unit O-2-10040 | EOG Resources, Inc. only | Eagleville (Eagle Ford-2) | Karnes | 11 | 2.37M | 4.37M | Jun 2012 – Apr 2026 |
| Myers, A. E. O-3-4106 | P.o.&g. Operating, LLC only | Thompson | Fort Bend | 44 | 2.23M | 2.17M | Jan 1993 – Apr 2026 |
| Oconnor, Thomas, -C- O-2-2587 | Hilcorp Energy Company only | Tom Oconnor (5500 Sand) | Refugio | 51 | 2.22M | 2.1M | Jan 1993 – Apr 2026 |
| Lockwood & Sharp -B- O-3-4118 | P.o.&g. Operating, LLC only | Thompson | Fort Bend | 52 | 1.84M | 1.49M | Jan 1993 – Mar 2026 |
| North Thompson Unit O-3-24289 | McGowan Working Partners, Inc. only | Thompson, North | Fort Bend | 39 | 1.75M | 250K | Jan 2003 – Apr 2026 |
| Thompson Ranch O-1-15853 | Rosewood Resources, Inc. only | Briscoe Ranch (Eagleford) | Frio | 12 | 1.64M | 562K | Jan 2012 – Apr 2026 |
| Davis, J. H. P., Est. O-3-4155 | Jetta Operating Company, Inc. only | Thompson, S. (4400 Sand) | Fort Bend | 17 | 1.63M | 590K | Jan 1993 – Oct 2003 |
| Thomas Crozier Unit O-1-16053 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 9 | 1.53M | 2.8M | Jul 2012 – Apr 2026 |
| Booth, T. R. O-3-4100 | P.o.&g. Operating, LLC only | Thompson | Fort Bend | 35 | 1.31M | 989K | Jan 1993 – Apr 2026 |
| George, A. P. -A- O-3-4110 | P.o.&g. Operating, LLC only | Thompson | Fort Bend | 13 | 1.14M | 690K | Jan 1993 – Apr 2026 |
| Davis, J.H.P. O-3-4154 | P.o.&g. Operating, LLC only | Thompson, South | Fort Bend | 33 | 1.01M | 977K | Jan 1993 – Apr 2026 |
| Carpenter-Thompson Unit O-2-9766 | Marathon Oil EF LLC only | Eagleville (Eagle Ford-2) | Karnes | 6 | 981K | 1.36M | Jul 2011 – Apr 2026 |
| Gubbels, Mary Mrs. O-3-4112 | P.o.&g. Operating, LLC only | Thompson | Fort Bend | 17 | 960K | 830K | Jan 1993 – Jan 2024 |
| Dix, Thomas C O-1-2778 | Texas Petroleum Investment Co. only | Darst Creek (Edwards) | Guadalupe | 46 | 874K | 1.79K | Jan 1993 – Apr 2026 |
| Thompson D Unit O-1-17457 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Atascosa | 4 | 765K | 440K | Feb 2014 – Apr 2026 |
| Wolters, R. A., Etal -B- O-3-4153 | Jetta Operating Company, Inc. only | Thompson, S. (4400 Sand) | Fort Bend | 6 | 655K | 426K | Jan 1993 – Sep 2003 |
| Oconnor, Thomas -A- O-2-1542 | Hilcorp Energy Company only | Tom Oconnor | Refugio | 36 | 650K | 756K | Nov 1993 – Apr 2026 |
| Oconnor, Thomas, -C- O-2-2566 | Hilcorp Energy Company only | Tom Oconnor (4500 Greta Mass.) | Refugio | 18 | 646K | 278K | Jan 1993 – Apr 2026 |
| Thompson O-14-4308 | SNW Operating Company only | Panhandle (Red Cave) | Moore | 49 | 646K | 694K | Jan 1993 – Apr 2026 |
| Thomas, E., Mrs. et Al O-3-10454 | Hilcorp Energy Company only | Fannett | Jefferson | 3 | 642K | 1.13M | Jan 1993 – Apr 2026 |
| Thompson a Unit O-1-17186 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Atascosa | 2 | 566K | 278K | Oct 2013 – Apr 2026 |
| Thomas, C. N. O-11-5632 | Crossroads Operating, LLC only | Sharon Ridge (Clear Fork) | Scurry | 10 | 566K | 30.2K | Jan 1993 – Apr 2026 |
| O'Connor, Thomas "A" O-2-7579 | Hilcorp Energy Company only | Tom O'Connor (5770 U, South) | Refugio | 28 | 538K | 627K | Jan 1993 – Apr 2026 |
| Thompson "B" O-11-64621 | Parallel Petroleum LLC only | Carm-Ann (San Andres) | Gaines | 18 | 527K | 252K | Jan 1993 – Apr 2026 |
| Hec - Lankford O-13-29080 | Thompson, Richard W. Inc. only | Loudon (Chappel) | Hardeman | 1 | 513K | 31.5K | Jan 1996 – Dec 2022 |
| Thompson, I. W. 401 O-5-3187 | Basa Resources, Inc. only | Van (Austin Chalk) | Van Zandt | 16 | 502K | 1.41M | Jan 1993 – Apr 2026 |
| George, A. P. O-3-4111 | P.o.&g. Operating, LLC only | Thompson | Fort Bend | 10 | 495K | 499K | Jan 1993 – Apr 2026 |
| Thomerson, A. B. O-9-2041 | Bob Hughes Oil Company, LLC only | Toe Nail (Strawn) | Schleicher | 5 | 468K | 600K | Jan 1993 – Apr 2026 |
| Cook-Thompson Unit O-8-12608 | Basa Resources, Inc. only | Stephens County Regular | Stephens | 6 | 466K | 19.6K | Jan 1993 – Apr 2026 |
| Wolters, R. A., Etal O-3-4158 | Jetta Operating Company, Inc. only | Thompson, S. (4400 Sand) | Fort Bend | 7 | 462K | 244K | Jan 1993 – Oct 2003 |
| Thompson O-1-14742 | CML Exploration, LLC only | Pearsall (Austin Chalk) | Zavala | 2 | 456K | 391K | Oct 2006 – Oct 2025 |
| Thomas, E., et Al O-3-20896 | Hilcorp Energy Company only | Fannett | Jefferson | 27 | 447K | 795K | Jan 1993 – Dec 2023 |
| Christy-Thomason 15E O-9-21350 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Reagan | 1 | 446K | 1.21M | Jun 2021 – Apr 2026 |
| Greer Thomas 3-44 E O-9-21099 | Diamondback E&P LLC only | Spraberry (Trend Area) | Reagan | 1 | 423K | 2.56M | Oct 2020 – Apr 2026 |
| Thomason A O-3-26026 | Wildfire Energy Operating LLC only | Madisonville, W. (Woodbine -A-) | Madison | 3 | 422K | 1.01M | Sep 2012 – Mar 2026 |
| Wolters, R.A. NCT-1 O-3-22858 | McGowan Working Partners, Inc. only | Thompson | Fort Bend | 7 | 410K | 89.2K | Jan 1997 – Apr 2026 |
| Christy-Thomason 15H O-9-21375 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Reagan | 1 | 401K | 1.22M | Jun 2021 – Apr 2026 |
| Davis, J. H. P., Estate O-3-6125 | Jetta Operating Company, Inc. only | Thompson, Southeast (Frio, Up.) | Fort Bend | 7 | 387K | 279K | Jan 1993 – Oct 2003 |
| Christy-Thomason 15G O-9-21379 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Reagan | 1 | 374K | 984K | Jun 2021 – Mar 2026 |
| Christy-Thomason 15C O-9-21205 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Reagan | 1 | 366K | 2.05M | Jun 2021 – Apr 2026 |
| Christy-Thomason 15F O-9-21370 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Reagan | 1 | 358K | 819K | Jun 2021 – Apr 2026 |
| Thompson, I. W. 401 O-5-1197 | Basa Resources, Inc. only | Van | Van Zandt | 3 | 354K | 207K | Jan 1993 – Apr 2026 |
| Dix, Thomas 'A' O-1-2791 | Texas Petroleum Investment Co. only | Darst Creek (Edwards) | Guadalupe | 17 | 351K | 219 | Jan 1993 – Apr 2026 |