| Webb O-8-26123 | Westlake Energy Consultants Corp only | Audas-Graham (Capps Lime) | Taylor | 1 | 2.63K | 18 | by Jan 1993 – May 1997 |
| Dulaney-Bruni G-4-206829 | Bluestone Natural Res. II, LLC only | Zwebb (10350) | Webb | 1 | 2.6K | 315K | Dec 2004 – Dec 2015 |
| Webb "A" O-9-7897 | Parker & Parsley Development L.P only | Calvin (Dean) | Glasscock | 1 | 2.59K | 3.24K | by Jan 1993 – Oct 1995 |
| BMT/K&H G-4-178722 | Mountain V Texas, LLC only | Zwebb (10350) | Webb | 1 | 2.57K | 447K | Sep 2000 – Aug 2010 |
| Callaghan Ranch a/C 2 G-4-196287 | Hilcorp Energy Company only | Finley-Webb (Upper Cons) | Webb | 1 | 2.56K | 422K | Aug 2002 – Oct 2011 |
| Thomasma, Ray J. G-4-246540 | Hilcorp Energy Company only | Zwebb (10350) | Zapata | 1 | 2.55K | 1.96M | May 2008 – Mar 2018 |
| BMT/K&H "X" G-4-188638 | EOG Resources, Inc. only | Zwebb (10350) | Webb | 1 | 2.48K | 675K | Sep 2001 – May 2016 |
| Webb -D- G-14-145478 | Complete Oil & Gas Services, LLC only | Lipscomb (Morrow) | Lipscomb | 1 | 2.43K | 342K | Mar 1993 – Dec 2017 |
| BMT/K&H G-4-186826 | Mountain V Texas, LLC only | Zwebb (10350) | Webb | 1 | 2.3K | 2.84M | Dec 2001 – Aug 2026 |
| Webb, Arthur et al -S- G-14-74526 | Blackbeard Operating, LLC only | Mendota, NW. (Cherokee) | Hemphill | 1 | 2.25K | 296K | by Jan 1993 – Oct 2017 |
| Webber "444" O-11-71123 | Burk Royalty Co., Ltd. only | Platang (San Andres) | Yoakum | 1 | 2.25K | 0 | Nov 2020 – Aug 2026 |
| Webb GU G-6-157507 | NFR Energy, LLC only | Minden (Cotton Valley Cons.) | Rusk | 1 | 2.22K | 339K | Oct 1995 – Jun 2011 |
| Webb Oil Unit III O-1-18733 | Lodel Energy Resources Corporati only | Drummond (Edwards 1800) | Caldwell | 6 | 2.21K | 0 | Aug 2018 – Aug 2026 |
| Callaghan Ranch G-4-205378 | Chesapeake Operating, Inc. only | Finley-Webb (Upper Cons) | Webb | 1 | 2.07K | 323K | Oct 2004 – Aug 2008 |
| Callaghan Ranch G-4-211521 | Hilcorp Energy Company only | Finley-Webb (Lobo Cons) | Webb | 1 | 1.98K | 951K | May 2005 – Nov 2020 |
| BMT/K&H G-4-180577 | Mountain V Texas, LLC only | Zwebb (10350) | Webb | 1 | 1.94K | 1.1M | Dec 2000 – Aug 2026 |
| Webb -A- G-14-116219 | Faulconer Energy, LLC only | Canadian, West (Morrow Upper) | Hemphill | 1 | 1.93K | 796K | by Jan 1993 – Aug 2026 |
| Thomasma, Ray J. G-4-266971 | Hilcorp Energy Company only | Zwebb (10350) | Webb | 1 | 1.91K | 1.51M | Oct 2011 – Aug 2026 |
| BMT/K&H G-4-179281 | Mountain V Texas, LLC only | Zwebb (10350) | Webb | 1 | 1.86K | 1.32M | Sep 2000 – Jan 2013 |
| Callaghan Ranch G-4-205991 | Hilcorp Energy Company only | Finley-Webb (Lobo Cons) | Webb | 1 | 1.8K | 620K | Dec 2004 – Jun 2020 |
| Webb O-13-11114 | Miles Production Co. only | Perrin, East (Caddo Congl.) | Jack | 1 | 1.77K | 119K | by Jan 1993 – Oct 2002 |
| Webb, Vernon "B" O-9-12048 | Oil, Gas, Etc. LLC only | Big Ed, N. (Gardner Lime) | Runnels | 1 | 1.75K | 70 | by Jan 1993 – Jan 2019 |
| McGrath G-4-127629 | Killam Oil Co., Ltd. only | Zwebb (10350) | Zapata | 1 | 1.69K | 341K | by Jan 1993 – Jan 2016 |
| Webb "A" O-9-14098 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Glasscock | 1 | 1.69K | 2.84K | Nov 1995 – Jun 1998 |
| Webb, T.C. -A- O-1-13273 | Quintanilla, Tony C. only | Somerset | Atascosa | 1 | 1.66K | 78 | by Jan 1993 – Jun 1999 |
| Cabezon G-4-252172 | EOG Resources, Inc. only | Zwebb (10350) | Webb | 1 | 1.65K | 19.9K | Jun 2009 – Aug 2009 |
| BMT/K&H "E" G-4-177908 | EOG Resources, Inc. only | Zwebb (10350) | Webb | 1 | 1.65K | 97.2K | Jun 2000 – Jul 2002 |
| Webb, Mary Ethel G-5-148829 | XTO Energy Inc. only | Red Oak (FB-a, Sub Clarksville) | Leon | 1 | 1.62K | 276K | Feb 1994 – Dec 2008 |
| McGrath G-4-193821 | Killam Oil Co., Ltd. only | Zwebb (10350) | Webb | 1 | 1.61K | 244K | Mar 2003 – Jan 2016 |
| Webb County School Board G-4-151405 | North Central Oil Corp. only | Big Cowboy (Lobo) | Webb | 1 | 1.57K | 118K | Sep 1994 – Apr 1998 |
| Webb, Arthur "A" G-14-186484 | Mmgl Txph, LLC only | Canadian, West (Morrow Upper) | Hemphill | 1 | 1.52K | 1.21M | Oct 2001 – Nov 2007 |
| Callaghan Ranch G-4-173909 | Denali Oil & Gas Management, LLC only | Finley-Webb (5100) | Webb | 1 | 1.45K | 215K | Jul 1999 – Mar 2005 |
| Webb County School Board G-4-173370 | Proline Energy Resources Inc only | Mancho Prado (Wilcox, Lo. 7050) | Webb | 1 | 1.44K | 112K | Jun 1999 – Nov 1999 |
| Webb, T.C. O-1-10810 | Quintanilla, Tony C. only | Somerset | Atascosa | 4 | 1.42K | 78 | by Jan 1993 – Jun 1999 |
| Webb County School Land 1383L G-4-159883 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 1.4K | 690K | Aug 1996 – Aug 2026 |
| Webb, Lois O-14-4634 | Midgard Energy Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 1.35K | 123K | by Jan 1993 – Apr 1995 |
| BMT/K&H G-4-180177 | Mountain V Texas, LLC only | Zwebb (10350) | Webb | 1 | 1.32K | 1.83M | Nov 2000 – Apr 2015 |
| Webb, Arthur et al "T" O-14-7287 | Amoco Production Company only | Mendota, NW. (Cherokee) | Hemphill | 1 | 1.27K | 56.9K | Sep 1998 – Jan 1999 |
| Callaghan G-4-209803 | Hilcorp Energy Company only | Finley-Webb (Upper Cons) | Webb | 1 | 1.23K | 1.66M | Apr 2005 – Nov 2020 |
| Webb, Tommy C. -B- O-1-13496 | Quintanilla, Tony C. only | Somerset | Atascosa | 2 | 1.23K | 78 | by Jan 1993 – Jun 1999 |
| BMT/K&H "W" G-4-181553 | EOG Resources, Inc. only | Zwebb (10350) | Webb | 1 | 1.22K | 637K | Feb 2001 – May 2016 |
| Bruni Mineral Trust 15 G-4-208866 | Killam Oil Co., Ltd. only | Zwebb (10350) | Zapata | 1 | 1.18K | 720K | Nov 2004 – Jan 2016 |
| Webber 'A' O-11-70080 | Walsh Petroleum, Inc. only | Brahaney, East (San Andres) | Yoakum | 1 | 1.15K | 0 | Nov 2013 – Nov 2014 |
| Webb, Roger O-8-26465 | Bridwell Oil Co. only | Haskell County Regular | Haskell | 1 | 1.14K | 15 | by Jan 1993 – Jun 1995 |
| Webb, Lois O-14-7309 | BP America Production Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 1.13K | 78.9K | Jan 1999 – Sep 1999 |
| Webb O-1-14351 | Atlas Operating LLC only | Pena Creek (San Miguel 2ND) | Dimmit | 2 | 1.11K | 0 | Aug 2001 – Mar 2004 |
| Cantrell-Webb O-13-26036 | Precision Operating Inc. only | Southmayd, North (Baker-Viola) | Grayson | 1 | 1.1K | 1.68K | by Jan 1993 – Sep 1994 |
| Webb O-11-66945 | Enwest Resources, Inc. only | Brahaney | Yoakum | 1 | 1.09K | 6 | by Jan 1993 – Jun 1993 |
| BMT/K&H G-4-183476 | Mountain V Texas, LLC only | Zwebb (10350) | Webb | 1 | 1.07K | 1.53M | Jun 2001 – Aug 2026 |
| Webb O-1-11936 | Prior Oil Company of Texas only | Salt Flat | Caldwell | 21 | 1.02K | 17 | by Jan 1993 – Sep 1995 |