| Finley, Gertrude O-3-12832 | Finley Oil Company, LLC only | Hardin | Liberty | 2 | 245K | 45.6K | Jan 1993 – Jan 2022 |
| Gertrude O-14-8530 | Mewbourne Oil Company only | Shapley (Morrow) | Hansford | 1 | 117K | 298K | Mar 2012 – Apr 2026 |
| Chmelar, Gertrude Unit O-3-14342 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Burleson | 1 | 111K | 276K | Jan 1993 – Mar 2026 |
| Richter, Gertrude O-3-23273 | Trivista Operating LLC only | Serbin (Taylor Sand) | Lee | 5 | 78.5K | 343K | Jul 1997 – Feb 2026 |
| Gertrude G-14-122698 | Mewbourne Oil Company only | Shapley (Morrow) | Hansford | 1 | 37.3K | 684K | Jan 1993 – Jan 2025 |
| Fischer, Gertrude O-3-21278 | Trivista Operating LLC only | Serbin (Taylor Sand) | Lee | 2 | 37.3K | 115K | Jan 1993 – Feb 2026 |
| Bradley, Gertrude O-3-7389 | Producers Well Service, Inc. only | Boling (Iago) | Wharton | 1 | 36.8K | 128 | Jan 1993 – Jan 2012 |
| Wood, Clark "B" O-11-9093 | Juno Operating Company III, LLC only | Gertrude Wood (Glorieta) | Crosby | 1 | 36.3K | 21 | Jan 1993 – Aug 2017 |
| Bilberry, Gertrude "OU" D O-13-25935 | Devon Energy Production Co, L.P. only | Boonsville (Consolidated Congl.) | Wise | 1 | 32.9K | 313K | Jan 1993 – Apr 2017 |
| Withers, Gertrude O-8-26952 | Scout Energy Management LLC only | Withers (Caddo) | Nolan | 3 | 23.8K | 27.2K | Jul 1993 – Dec 2018 |
| Gertrude O-13-1186 | F. H. B. Company only | Reno (Gunsight) | Archer | 3 | 23K | 21 | Jan 1993 – Apr 2026 |
| Withers, Gertrude O-8-15364 | L.C.S. Production Company only | Withers (Ellenburger) | Nolan | 7 | 17K | 18.3K | Jan 1993 – Aug 2003 |
| Wright, Gertrude G-3-148066 | Messy Oil and Gas, LLC only | Rosanna (Wilcox 11000) | Colorado | 1 | 16.3K | 285K | Dec 1993 – Feb 2026 |
| McPeek, Gertrude G-13-247924 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 12.4K | 855K | Sep 2006 – Apr 2026 |
| McPeek, Gertrude O-13-30516 | Pioneer Natural Res. USA, Inc. only | Newark, East (Barnett Shale) | Denton | 1 | 11K | 307K | May 2005 – Mar 2008 |
| Fischer, Gertrude #3 O-3-21700 | Digital Operating Company LLC only | Serbin (Taylor Sand) | Lee | 1 | 10.6K | 44K | Jan 1993 – Apr 2018 |
| Lorenz, Gertrude O-3-21292 | Trivista Operating LLC only | Serbin (Taylor Sand) | Lee | 1 | 10.4K | 60.2K | Jan 1993 – Apr 2022 |
| Wright, Gertrude O-1-3604 | Great Plains Resources, Inc. only | Luling-Branyon | Caldwell | 8 | 5.45K | 26 | Jan 1993 – Dec 1997 |
| Withers, Gertrude O-8-30096 | Scout Energy Management LLC only | Withers (Ellenburger) | Nolan | 2 | 4.89K | 0 | Oct 2008 – Aug 2014 |
| Gertrude Bilberry GU G-13-150194 | Scout Energy Management LLC only | Boonsville (Bend Congl., Gas) | Wise | 1 | 3.02K | 263K | May 1994 – Apr 2026 |
| Gertrude-Bilberry "E" G-13-129504 | Scout Energy Management LLC only | Boonsville (Consolidated Congl.) | Wise | 1 | 2.86K | 817K | Jan 1993 – Apr 2026 |
| Gertrude Bilberry GU "A" G-13-139780 | Scout Energy Management LLC only | Boonsville (Consolidated Congl.) | Wise | 1 | 2.52K | 952K | Jan 1993 – Apr 2026 |
| Farrington, Gertrude O-9-8661 | Ramtex Energy LLC only | Christi (Canyon 6800) | Irion | 1 | 1.95K | 15.1K | Jan 1993 – Jul 2015 |
| Thompson, Gertrude G-13-243965 | Winchester Oil & Gas LLC only | Newark, East (Barnett Shale) | Parker | 1 | 1.75K | 813K | Nov 2008 – Dec 2015 |
| Cocanougher, Gertrude G-13-146905 | Merit Energy Company only | Boonsville (Consolidated Congl.) | Wise | 1 | 1.54K | 260K | Oct 1993 – Mar 2008 |
| Carter, Gertrude (Trudy) G-3-143733 | Trivista Operating LLC only | Serbin (Taylor Sand) | Bastrop | 1 | 1.36K | 110K | Jan 1993 – Jan 2026 |
| Gertrude Bilberry GU "A" G-13-178683 | Scout Energy Management LLC only | Boonsville (Consolidated Congl.) | Wise | 1 | 1.33K | 335K | Aug 2000 – Apr 2026 |
| Carter, Gertrude (Trudy) G-3-140439 | Trivista Operating LLC only | Serbin (Taylor Sand) | Bastrop | 1 | 1.17K | 86.6K | Jan 1993 – Jan 2026 |
| Carter, Gertrude (Trudy) G-3-140443 | Trivista Operating LLC only | Serbin (Taylor Sand) | Bastrop | 1 | 1.06K | 58.9K | Jan 1993 – Jan 2026 |
| Carter, Gertrude (Trudy) G-3-140441 | Trivista Operating LLC only | Serbin (Taylor Sand) | Bastrop | 1 | 852 | 51.8K | Jan 1993 – Jan 2026 |
| Carter, Gertrude (Trudy) G-3-144799 | Trivista Operating LLC only | Serbin (Taylor Sand) | Bastrop | 1 | 578 | 39.3K | Mar 1993 – Jan 2026 |
| McPeek, Gertrude G-13-239411 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 548 | 88.2K | Jun 2008 – Dec 2015 |
| Carter, Gertrude (Trudy) G-3-136010 | Trivista Operating LLC only | Serbin (Taylor Sand) | Bastrop | 1 | 493 | 212K | Jan 1993 – Jan 2026 |
| Bilberry, Gertrude GU G-13-115185 | Scout Energy Management LLC only | Boonsville (Bend Congl., Gas) | Wise | 1 | 482 | 569K | Jan 1993 – Aug 2025 |
| Carter, Gertrude (Trudy) G-3-130989 | Trivista Operating LLC only | Serbin (Taylor Sand) | Bastrop | 1 | 459 | 168K | Jan 1993 – Jan 2026 |
| Bilberry, Gertrude OU "B" O-13-25759 | Mitchell Energy Corporation only | Boonsville (Consolidated Congl.) | Wise | 1 | 454 | 67.3K | Jan 1993 – Feb 1994 |
| Carter, Gertrude (Trudy) G-3-136471 | Trivista Operating LLC only | Serbin (Taylor Sand) | Bastrop | 1 | 419 | 163K | Jan 1993 – Jan 2026 |
| Carter, Gertrude (Trudy) G-3-130311 | Trivista Operating LLC only | Serbin (Taylor Sand) | Bastrop | 1 | 315 | 109K | Jan 1993 – Jan 2026 |
| Lorenz, Gertrude G-3-292695 | Trivista Operating LLC only | Serbin (Taylor Sand) | Lee | 1 | 263 | 1.14K | Apr 2022 – Feb 2026 |
| Cocanougher, Gertrude O-13-23844 | EP Operating Limited Partnership only | Boonsville (Consolidated Congl.) | Wise | 1 | 235 | 25.8K | Jan 1993 – Sep 1993 |
| Carter, Gertrude (Trudy) O-3-21910 | Carter, Gertrude (Trudy) only | Serbin (Taylor Sand) | Bastrop | 1 | 141 | 4.53K | Jan 1993 – Mar 1993 |
| Bilberry Gertrude GU "A" G-13-28567 | Devon Energy Production Co, L.P. only | Boonsville (Bend Congl., Gas) | Wise | 1 | 127 | 115K | Jan 1993 – Mar 2009 |
| Gertrude Bilberry Gas Unit G-13-282598 | Scout Energy Management LLC only | Boonsville (Consolidated Congl.) | Wise | 1 | 48 | 22K | May 2017 – Apr 2026 |
| Bilberry, Gertrude et Al G-13-57276 | Merit Energy Company only | Boonsville (Bend Congl., Gas) | Jack | 1 | 35 | 38.1K | Jan 1993 – Jun 1999 |
| Bilberry, Gertrude G-13-68808 | Merit Energy Company only | Boonsville (Bend Congl., Gas) | Jack | 1 | 19 | 13.1K | Jan 1993 – Jun 1999 |
| Anderson Lattie Gertrude G-8-66816 | Crt's, Inc. only | Foster (Marble Falls) | Eastland | 1 | 5 | 86.3K | Jan 1993 – May 2007 |
| Gertrude G-14-198655 | Strat Land Exploration Company only | Shapley (Morrow) | Hansford | 1 | 3 | 183K | Nov 2003 – Feb 2012 |
| Wilson, Gertrude G-13-68359 | BKV Barnett, LLC only | Boonsville (Bend Congl., Gas) | Wise | 1 | 0 | 150K | Jan 1993 – Apr 2026 |
| Riggs, Gertrude G-2-76256 | Morgan & Riggs Producing, Inc. only | Karen Beauchamp (2700) | Goliad | 1 | 0 | 0 | — |
| Boyd, Gertrude et Al G-13-102568 | Mitchell Energy Corporation only | Alvord (Caddo Conglomerate) | Wise | 1 | 0 | 7.07K | Jan 1993 – Jan 2000 |