| Heard, C. E. "B" G-2-139800 | Lakeshore Operating, LLC | Heard Ranch (3650) | 1 | 234 | 687K | by Jan 1993 – Aug 2026 |
| Mrs Unit G-2-247295 | Enco Exploration Company | Norbee (Hockley 3700) | 1 | 231 | 74K | Apr 2009 – Feb 2011 |
| Withers G-2-200550 | Inland Ocean, Inc. | Tuleta, West (Hockley 3100) | 1 | 230 | 248K | Feb 2004 – Jun 2017 |
| Jones O-2-11734 | Chandler Oil & Gas, LLC | Beeville, Sw.(pettus 4525) | 1 | 220 | 0 | Apr 2019 – Dec 2019 |
| Young, George O-2-356 | Mission River Systems, Inc. | Cosden, W. (Hockley Lower B) | 1 | 217 | 4.68K | Jun 1993 – Jan 2001 |
| Thomson-Barrow Corp. C G-2-180246 | C & E Operating, Inc. | Laura Thomson, S. (5200) | 1 | 216 | 100K | Sep 2000 – Aug 2008 |
| Bradford G-2-286124 | Zone Ridge Operating, LLC | Normanna, E. (Frio) | 1 | 214 | 6.55K | Nov 2018 – Oct 2019 |
| Thomson-Barrow Corp. C G-2-176797 | C & E Operating, Inc. | Laura Thomson,s.e. (Chamberlain) | 1 | 213 | 15.1K | Mar 2000 – Aug 2000 |
| Johnston - Dirks Gas Unit #1 G-2-221005 | Petro-Hunt, L.L.C. | Tuleta-Wilcox, S. (Massive 2ND) | 1 | 213 | 385K | Jul 2006 – Mar 2016 |
| Npu (Spielhagen -A1 ) G-2-76384 | Paleo Oil Company LLC | Tulsita-Wilcox ( 6800 Reklaw) | 1 | 211 | 174K | by Jan 1993 – Feb 2000 |
| Anderson G-2-188513 | Patterson Energy Corporation | Papalote, W. (5050) | 1 | 211 | 608K | Jun 2001 – May 2005 |
| Imogene Hall Unit G-2-184229 | Britanco, L.L.C. | Tuleta, West (Hockley 3100) | 1 | 208 | 426K | May 2000 – Aug 2026 |
| Bridge G-2-157804 | Esenjay Petroleum Corp. | Normanna (Massive Wilcox Second) | 1 | 207 | 3.94K | Dec 1995 – Mar 1996 |
| Holzmark O-2-730 | Chandler Oil & Gas, LLC | Holzmark | 3 | 205 | 0 | Oct 2018 – Jan 2021 |
| Heard, C. E. "B" G-2-124470 | Lakeshore Operating, LLC | Heard Ranch (4400) | 1 | 204 | 668K | by Jan 1993 – May 2026 |
| Heard, C. E. 'B' (3650) G-2-151101 | Sue-Ann Operating, L.C. | Heard Ranch (3650) | 1 | 202 | 1.03M | Jul 1994 – Feb 2018 |
| Spiekerman, E. J. -A- O-2-1485 | New Horizon Investments Ltd. | Sliva | 3 | 201 | 18 | by Jan 1993 – Oct 1997 |
| Npu (Union-Ray-58L) G-2-39601 | Legend Natural Gas II, LP | Tulsita-Wilcox ( Luling) | 1 | 201 | 95.2K | by Jan 1993 – Oct 1997 |
| Dirks - Mayfield G-2-200551 | Inland Ocean, Inc. | Tuleta, South (Hockley 3450) | 1 | 199 | 146K | Jan 2004 – Sep 2017 |
| Bolland G-2-147107 | Discovery Energy Corp. CC | Bolland Ranch (Hockley) | 1 | 195 | 4.84K | Jul 1993 – Jan 1994 |
| O'Brien, J. M. III G-2-172423 | Welder Exploration & Prod., Inc. | Murphy Sisters (Frio 3600) | 1 | 188 | 1.31M | Dec 1998 – Nov 2006 |
| Bowman O-2-8730 | Winn Exploration Co., Inc. | Malcomb (3608 Hockley) | 1 | 187 | 3.98K | Apr 2002 – Jul 2002 |
| Thomson-Barrow Corp. "C" G-2-172076 | C & E Operating, Inc. | Laura Thomson (4700) | 1 | 186 | 410K | Dec 1998 – Apr 2006 |
| O'Brien, J.M. G-2-162477 | C & E Operating, Inc. | Obrien Ranch (4420) | 1 | 185 | 586K | Feb 1997 – Jul 2012 |
| O'Brien, J. M. G-2-160773 | C & E Operating, Inc. | Obrien Ranch (3820) | 1 | 182 | 440K | Nov 1996 – Jan 1998 |
| Nelson G.U. O-2-8785 | Ffa Petroleum Services, Inc. | Normanna, E. (Yegua) | 1 | 181 | 1.48K | Jan 2003 – Apr 2003 |
| Johnson O-2-6718 | Staples, James W. Prod. Co. | San Domingo, S. (Hockley) | 1 | 181 | 54 | by Jan 1993 – Jun 1997 |
| Edler, J.B. G-2-291166 | Welderxp Ltd. | Yougeen (Hockley 4500) | 1 | 179 | 234K | Jun 2021 – Aug 2026 |
| Edler, J.B. G-2-267671 | Welder Exploration & Prod., Inc. | Yougeen (Hockley 4500) | 1 | 179 | 30.7K | Sep 2012 – Apr 2013 |
| O'Brien - Morris Unit G-2-260688 | T-C Oil Company, LLC | Medio Creek (3000) | 1 | 176 | 1.17M | Mar 2011 – Feb 2023 |
| May G-2-170615 | Edge Petroleum Oper. Co., Inc. | Fred Long (Hockley 3850) | 1 | 175 | 93K | Aug 1998 – Feb 2001 |
| O'Brien, J. M. III G-2-171441 | Welder Exploration & Prod., Inc. | Murphy Sisters (Frio 3600) | 1 | 175 | 1.03M | Sep 1998 – Jul 2003 |
| McClaugherty O-2-6153 | Staples, James W. Prod. Co. | San Domingo, S. (Hockley) | 1 | 173 | 84 | by Jan 1993 – Feb 2000 |
| O'Brien-Harkins G-2-175281 | C & E Operating, Inc. | Obrien Ranch (3820) | 1 | 173 | 718K | Aug 1999 – Sep 2004 |
| Malone G-2-245518 | Enco Exploration Company | Friendship Church (3700) | 1 | 172 | 162K | Jan 2009 – Sep 2011 |
| Nelson G-2-290234 | Double Play Oil & Gas, Inc | Holzmark (Pettus) | 1 | 172 | 40.1K | Feb 2019 – Dec 2019 |
| Barnhart G-2-172726 | Corenergy Operating Group, LLC | Fred Long (Hockley 3850) | 1 | 169 | 107K | Oct 1998 – Jul 2001 |
| Swift Unit G-2-279048 | Headwaters Energy Partners, LLC | Beeville, North (Yegua 4900) | 1 | 165 | 89.9K | Jan 2015 – Aug 2017 |
| Thomson-Barrow Corp. G-2-164202 | C & E Operating, Inc. | Burkhollow (2600 Sand) | 1 | 165 | 9.48K | Mar 1997 – Aug 1997 |
| McKinney-Johnston G-2-219382 | Hughes, Dan A. Company, L.P. | McDan (Yegua) | 1 | 164 | 26.3K | Jan 2006 – May 2006 |
| Heard, C. E. "B" G-2-225492 | Lakeshore Operating, LLC | Heard Ranch (4400) | 1 | 164 | 315K | Aug 2006 – Mar 2013 |
| Ingle G-2-278795 | Headwaters Energy Partners, LLC | Beeville, W. (Hockley) | 1 | 163 | 23.1K | Jan 2015 – Jun 2018 |
| Sheives, A. L. G-2-229143 | Alamo Operating Company, L. C. | Normanna (Consolidated) | 1 | 162 | 4.83K | Jun 2007 – Jun 2009 |
| Page, C. E. G-2-118289 | Dartex Energy Corporation | Cosden, W. (Hockley Lower) | 1 | 158 | 4.61K | Jun 1993 – Feb 2004 |
| Brown C G-2-280198 | Enco Exploration Company | Norbee, S.E. (Hockley) | 1 | 157 | 4.67K | Aug 2015 – Feb 2016 |
| Young, S.E. NCT-2 O-2-5934 | Dartex Energy Corporation | Cosden, W. (3050 Sand) | 2 | 156 | 0 | Apr 2013 – Feb 2016 |
| Bradford G-2-258014 | Magnum Producing, LP | Btsa (Yegua 4594) | 1 | 156 | 142K | Aug 2010 – Aug 2018 |
| Heard, C. E. "B" G-2-34755 | Sue-Ann Operating, L.C. | Heard Ranch (3900) | 1 | 155 | 786K | by Jan 1993 – May 2023 |
| Chandler Gas Unit G-2-174883 | Prime Operating Company | Tuleta-Wilcox, South (Luling) | 1 | 155 | 207K | Jun 1999 – Jun 2003 |
| Beasley G-2-184646 | Welderxp Ltd. | Yougeen, South (3200) | 1 | 155 | 1.86M | Apr 2001 – Apr 2026 |