| Webb, Clara O-7-8181 | 5R Oil Company only | East Texas | Rusk | 1 | 404 | 421 | by Jan 1993 – Feb 1996 |
| Webb A G-5-180086 | Hilcorp Energy Company only | Dew (C.V. Consolidated) | Freestone | 1 | 403 | 2.64M | Jul 2000 – Mar 2026 |
| Webb County School Land 1383L G-4-211500 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 397 | 199K | Jun 2005 – Jul 2026 |
| Webb O-13-30628 | Aruba Petroleum, Inc. only | Newark, East (Barnett Shale) | Montague | 1 | 396 | 20.5K | Oct 2005 – Apr 2010 |
| Dulaney-Bruni G-4-214799 | Varas Energy Operating Company, only | Zwebb (10350) | Webb | 1 | 394 | 208K | Nov 2005 – Aug 2026 |
| Webb "545" O-11-66617 | Walsh Petroleum, Inc. only | Brahaney, East (San Andres) | Yoakum | 2 | 386 | 341 | by Jan 1993 – Dec 1993 |
| Webb A G-5-192068 | Hilcorp Energy Company only | Dew (C.V. Consolidated) | Freestone | 1 | 365 | 212K | Dec 2002 – Jul 2026 |
| Webb A G-5-186094 | Hilcorp Energy Company only | Dew (C.V. Consolidated) | Freestone | 1 | 357 | 3.65M | Jun 2001 – Aug 2026 |
| Webb O-1-10760 | More Texas Oil only | Somerset | Atascosa | 1 | 347 | 0 | Nov 1996 – Dec 1999 |
| Webb County School Land G-4-113863 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 347 | 435K | by Jan 1993 – Nov 2018 |
| Wm Webb County School Land G-4-202642 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 342 | 418K | Jun 2004 – Aug 2026 |
| Webb A G-5-196687 | Hilcorp Energy Company only | Dew (C.V. Consolidated) | Freestone | 1 | 332 | 2.57M | Jul 2003 – Aug 2026 |
| Webb, Arthur "A" G-14-155540 | BP America Production Company only | Canadian, West (Morrow Upper) | Hemphill | 1 | 327 | 26.2K | Mar 1995 – Jun 1997 |
| Webb O-9-7938 | North Concho Reclamation only | Urban (Miles) | Runnels | 1 | 326 | 25 | by Jan 1993 – May 1995 |
| Webb, T.S. "A" G-5-188786 | Hilcorp Energy Company only | Donie (Pettit) | Freestone | 1 | 325 | 1.15M | Mar 2002 – Aug 2026 |
| Campbell-Webb G-14-165554 | Unbridled Resources, LLC only | Viking (Morrow, Upper) | Wheeler | 1 | 319 | 752K | Sep 1997 – Jun 2024 |
| Webb O-8-22657 | Westlake Energy Consultants Corp only | Investex (Fry) | Taylor | 3 | 319 | 7 | by Jan 1993 – Jul 1993 |
| Webb County School Land G-4-117853 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 308 | 98.2K | by Jan 1993 – Dec 2001 |
| McGrath G-4-129538 | Killam Oil Co., Ltd. only | Zwebb (10350) | Webb | 1 | 305 | 711K | by Jan 1993 – May 2004 |
| Webb A G-5-187247 | Hilcorp Energy Company only | Dew (C.V. Consolidated) | Freestone | 1 | 296 | 1.76M | Oct 2001 – Aug 2026 |
| Webb County School Land 1384 G-4-210942 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 287 | 262K | May 2005 – Aug 2026 |
| Webb G-5-182741 | Jack Russell Oil, LLC only | Nan-SU-Gail (CV Consolidated) | Freestone | 1 | 283 | 710K | Apr 2001 – Jan 2015 |
| Webb, Leslie et al -M- G-14-101520 | Amoco Production Company only | Mendota, NW. (Cherokee) | Roberts | 1 | 270 | 38.7K | by Jan 1993 – Apr 1999 |
| Webb County School Land G-4-113637 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 270 | 177K | by Jan 1993 – Apr 2009 |
| Webb County School Land 1383L G-4-203515 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 265 | 300K | Jun 2004 – Jul 2026 |
| Wm Webb County School Land G-4-202640 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 261 | 595K | Jun 2004 – Aug 2026 |
| Webb A G-5-187998 | Hilcorp Energy Company only | Dew (C.V. Consolidated) | Freestone | 1 | 254 | 883K | Feb 2002 – Aug 2026 |
| Webb County School Land G-4-115742 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 248 | 143K | by Jan 1993 – Aug 2015 |
| Wm Webb County School Land G-4-202641 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 248 | 533K | Jun 2004 – Aug 2026 |
| Webb A G-5-196256 | Hilcorp Energy Company only | Dew (C.V. Consolidated) | Freestone | 1 | 246 | 2.31M | Jun 2003 – Aug 2026 |
| Webb O-8-3222 | Holson Well Service only | Shackelford County Regular | Shackelford | 6 | 243 | 18 | by Jan 1993 – Dec 1999 |
| Webb A G-5-181306 | Hilcorp Energy Company only | Dew (C.V. Consolidated) | Freestone | 1 | 234 | 2.96M | Oct 2000 – Apr 2026 |
| Webb County School Land G-4-55107 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 234 | 340K | by Jan 1993 – Aug 2026 |
| Webb A G-5-181785 | Hilcorp Energy Company only | Dew (C.V. Consolidated) | Freestone | 1 | 230 | 4.67M | Nov 2000 – Aug 2026 |
| Webb County School Land 1383L G-4-229353 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 216 | 233K | Jun 2007 – Aug 2026 |
| Webb, Arthur G-14-47976 | Mmgl Txph, LLC only | Canadian, NW. (Morrow, Lo.) | Hemphill | 1 | 209 | 737K | by Jan 1993 – Oct 2009 |
| Webb O-8-18728 | Smith Pipe of Abilene only | Throckmorton County Regular | Throckmorton | 1 | 204 | 20 | by Jan 1993 – Aug 1995 |
| Webb County School Land 1383L G-4-159443 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 202 | 324K | Jul 1996 – Aug 2026 |
| Webb County School Land 1384 G-4-197776 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 196 | 198K | Aug 2003 – Aug 2026 |
| Callaghan Ranch G-4-149428 | Mobil Producing TX. & N.M. Inc. only | Finley-Webb (5200) | Webb | 1 | 191 | 667K | Apr 1994 – Jul 1999 |
| Webb G-14-89931 | BP America Production Company only | Parsell, South (Morrow, Up.se) | Roberts | 1 | 185 | 187K | by Jan 1993 – Oct 2008 |
| BMT/K&H G-4-187359 | Mountain V Texas, LLC only | Zwebb (10350) | Webb | 1 | 184 | 160K | Feb 2002 – Jan 2011 |
| Bruni Mineral Trust 15 G-4-210538 | Killam Oil Co., Ltd. only | Zwebb (10350) | Zapata | 1 | 180 | 418K | Feb 2005 – Jan 2016 |
| Webb A G-5-189393 | Hilcorp Energy Company only | Dew (C.V. Consolidated) | Freestone | 1 | 174 | 1.68M | May 2002 – Aug 2026 |
| Webb A G-5-208310 | Hilcorp Energy Company only | Dew (C.V. Consolidated) | Freestone | 1 | 170 | 1.64M | Feb 2005 – Aug 2026 |
| Webb County School Land G-4-117873 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 167 | 161K | by Jan 1993 – Jan 2004 |
| Webb A G-5-195757 | Hilcorp Energy Company only | Dew (C.V. Consolidated) | Freestone | 1 | 166 | 696K | May 2003 – Aug 2026 |
| Webb A G-5-181344 | Hilcorp Energy Company only | Dew (C.V. Consolidated) | Freestone | 1 | 160 | 247K | Dec 2000 – Aug 2026 |
| Webb A G-5-199247 | Hilcorp Energy Company only | Dew (C.V. Consolidated) | Freestone | 1 | 152 | 783K | Dec 2003 – Aug 2026 |
| Webb County School Land 1383L G-4-218435 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 136 | 248K | Jan 2006 – Aug 2026 |