| Jennifer (Queen) Unit O-10-32616 | Richland Resources Corporation only | Concho Bluff, North (Queen) | Ector | 58 | 2.89M | 21 | Jan 1993 – Jul 2026 |
| Richter a Unit O-2-10536 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | Karnes | 11 | 2.2M | 4.65M | May 2012 – Jul 2026 |
| Richter South Unit O-2-10676 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | Karnes | 7 | 2.08M | 4.02M | Sep 2013 – Jul 2026 |
| Ulrich B O-2-10036 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | DE Witt | 5 | 2.08M | 6.17M | May 2011 – Jul 2026 |
| Richardson Unit O-11-4610 | Cholla Petroleum, Inc. only | P. H. D. | Garza | 26 | 1.51M | 261K | Jan 1993 – Jan 2026 |
| Henrichson Unit H Dim O-1-16510 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 5 | 1.33M | 2.42M | Jul 2012 – Jul 2026 |
| Richter North Unit O-2-10047 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | Karnes | 5 | 956K | 1.62M | May 2012 – Jul 2026 |
| Goodrich, Levi Unit No. 2 O-3-24440 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Washington | 2 | 765K | 4.01M | Nov 2003 – Jul 2026 |
| Henrichson Unit B Dim O-1-15535 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 3 | 738K | 1.86M | Jul 2011 – Jul 2026 |
| Dawlean Richardson O-1-19842 | FW Eagle Ford I, LLC only | Eagleville (Eagle Ford-1) | Gonzales | 2 | 721K | 486K | Feb 2019 – Jul 2026 |
| Henrichson Unit D Dim O-1-15961 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 719K | 859K | Apr 2012 – Jul 2026 |
| Prichard A O-10-49169 | Hibernia Resources IV, LLC only | Spraberry (Trend Area) | Howard | 3 | 713K | 1.85M | May 2017 – Jul 2026 |
| Penn-Cat O-3-24282 | Fort Apache Energy, Inc. only | Rich Ranch, N. (Y6D-Oil) | Liberty | 2 | 708K | 944K | Sep 2002 – Jul 2026 |
| Henrichson Unit C Dim O-1-15583 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 707K | 1.24M | Jun 2011 – Jul 2026 |
| Hilbrich Unit O-1-16414 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 2 | 664K | 1.46M | Dec 2012 – Jul 2026 |
| Henrichson Unit E Dim O-1-16133 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 620K | 1.06M | Mar 2012 – Jul 2026 |
| Richards North Unit O-3-26573 | FW Eagle Ford I, LLC only | Southern Bay (Eagle Ford) | Fayette | 3 | 569K | 461K | Aug 2014 – Jul 2026 |
| Henrichson HC1 F Dim O-1-18995 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 544K | 1.12M | Apr 2017 – Jul 2026 |
| Lambshead D-8 O-8-26697 | Tot Richards Family LP only | Throckmorton County Regular | Throckmorton | 24 | 538K | 132 | Jan 1993 – Jul 2026 |
| Arco-Richardson 5 O-9-13310 | Petroplex Energy Inc. only | Triumph (Wolfcamp) | Upton | 1 | 531K | 1.31M | Jan 1993 – Jul 2026 |
| Henrichson HC3 F Dim O-1-19368 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 530K | 1.34M | May 2017 – Jul 2026 |
| Hec - Lankford O-13-29080 | Thompson, Richard W. Inc. only | Loudon (Chappel) | Hardeman | 1 | 513K | 31.5K | Jan 1996 – Jul 2026 |
| Henrichson HC1 E Dim O-1-18993 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 511K | 1.24M | Apr 2017 – Jul 2026 |
| Richard O-10-40504 | Scout Energy Management LLC only | Goldsmith (Clear Fork) | Ector | 10 | 489K | 3.52M | Sep 2010 – Jul 2026 |
| Ullrich 'A' O-3-22179 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 478K | 1.27M | May 1993 – Jul 2026 |
| Prichard D O-10-49179 | Hibernia Resources IV, LLC only | Spraberry (Trend Area) | Howard | 3 | 425K | 1.82M | May 2017 – Jul 2026 |
| Henrichson Unit F Dim O-1-16508 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 422K | 570K | Jul 2012 – Jul 2026 |
| Richards O-10-37673 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 8 | 422K | 556K | Dec 2005 – Jul 2026 |
| Knipling, Richard O-3-21583 | Owl Creek Production Co., Inc. only | Tenna (Hillje Sand) | Wharton | 2 | 417K | 170K | Jan 1993 – Jul 2003 |
| Richard Butler Unit A O-2-10141 | Marathon Oil EF LLC only | Eagleville (Eagle Ford-2) | Karnes | 4 | 417K | 796K | Jul 2012 – Jul 2026 |
| Richter, Louis O-10-36070 | Crescent Energy Operating, LLC only | H. S. A. (San Andres) | Ward | 4 | 413K | 711K | Aug 1999 – Jul 2026 |
| Henrichson HC2 F Dim O-1-18987 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 406K | 769K | May 2017 – Jul 2026 |
| Henrichson Unit G Dim O-1-16633 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 405K | 458K | Jun 2012 – Jul 2026 |
| Zahn O-11-65264 | Ostrich Oil & Gas, LLC only | Anton, West | Lamb | 3 | 396K | 56 | Jan 1993 – Jul 2026 |
| Stewman Ranch O-8-26789 | Enrich Oil Corporation only | Big Silver (Ellenburger) | Nolan | 4 | 370K | 290K | Jan 1993 – May 2003 |
| Muir F - Ulrich a SA O-2-11445 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | DE Witt | 1 | 369K | 1.44M | Sep 2017 – Jul 2026 |
| Richard O-1-18585 | CML Exploration, LLC only | Pearsall (Buda, S.) | Zavala | 1 | 368K | 826K | Apr 2015 – Jul 2026 |
| Richards "25" O-10-40259 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 7 | 338K | 628K | Apr 2010 – Jul 2026 |
| Heacker-Richter Unit O-3-21648 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 336K | 2.73M | Jan 1993 – Jul 2026 |
| Richter, Louis O-10-36849 | Crescent Energy Operating, LLC only | Ward-Estes, N. (Wichita-Albany) | Ward | 8 | 329K | 1.45M | Apr 2002 – Jul 2026 |
| Richard Matthews et AL O-6-15141 | Maximus Operating, Ltd. only | Crow (Paluxy, Lower) | Wood | 1 | 321K | 58.9K | May 2012 – Jul 2026 |
| Richter, Louis O-10-36052 | Crescent Energy Operating, LLC only | Estes Block 34 (Penn.) | Ward | 9 | 314K | 3.26M | Jul 1999 – Jul 2026 |
| Goodrich, Levi O-3-20978 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Washington | 2 | 313K | 1.48M | Jan 1993 – Jul 2026 |
| Richards Ranch O-13-32285 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 29 | 302K | 8.4M | Jul 2012 – Jul 2026 |
| Poe, Fredric W. O-9-14334 | Enrich Oil Corporation only | Dorman (Goen) | Runnels | 1 | 298K | 64.5K | Feb 1996 – Apr 2014 |
| Richardson Ranch Unit O-3-25563 | Wildfire Energy Operating LLC only | Madisonville, W. (Woodbine -A-) | Brazos | 3 | 291K | 415K | May 2010 – Jul 2026 |
| Grand HI CT Heroines of Jericho O-13-17171 | BKM Production only | Sherman | — | 2 | 278K | 31.7K | Jan 1993 – Jul 2026 |
| Richardson, T. J. O-8-26707 | Apache Corporation only | Katz | Knox | 3 | 275K | 1.58K | Jan 1993 – May 2010 |
| Petrich Unit O-3-20579 | Magnolia Oil & Gas Operating LLC only | Stephanie (Wilcox) | Fayette | 1 | 274K | 285K | Jan 1993 – Jul 2026 |
| Aldrich, R.C. et AL O-3-24579 | Neches Transport Inc. only | Nolte Marsh (Yegua 13700 Oil) | Liberty | 2 | 272K | 519K | Jun 2004 – Jul 2026 |