| Cisco O-2-8818 | Welder Exploration & Prod., Inc. | Burnell | 1 | 1.21K | 0 | Sep 2003 – Jan 2004 |
| Wtu-Robinson G-2-190564 | West Tuleta Operating Corp. | Tuleta, West (Slick-Wilcox 7900) | 1 | 1.19K | 149K | May 2002 – Dec 2005 |
| Spielhagen, Bobby G-2-170032 | CTR Petroleum, Inc. | Cosden, West (Wilcox 7800) | 1 | 1.19K | 39.7K | May 1997 – Sep 2000 |
| Ashland Oil Unit O-2-8713 | Rincon Petroleum Corporation | Caesar, South (Luling) | 1 | 1.19K | 0 | Mar 2001 – Jan 2002 |
| Duty O-2-8492 | Felderhoff Production Company | Normanna, E. (Yegua) | 1 | 1.19K | 7.34K | Dec 1999 – Sep 2001 |
| James Staples, Jr. G-2-265533 | Sydson Energy, Inc. | Ray (Vicksburg-Hockley) | 1 | 1.19K | 4.46K | Jul 2012 – Mar 2013 |
| Stauss G-2-244744 | Britanco, L.L.C. | Tuleta, W. (12910) | 1 | 1.18K | 857K | Sep 2008 – Aug 2026 |
| Eberstadt G-2-208133 | Anderson Oil Ltd. | Caesar, South (5650) | 1 | 1.17K | 176K | Jan 2005 – Mar 2010 |
| Heard, C. E. "B" G-2-223044 | Lakeshore Operating, LLC | Heard Ranch (4400) | 1 | 1.16K | 1.61M | Jul 2006 – May 2026 |
| Seale G-2-260562 | Enco Exploration Company | Holzmark (Pettus) | 1 | 1.16K | 137K | Jan 2011 – Sep 2012 |
| Ashland Gas Unit G-2-190807 | Rincon Petroleum Corporation | Caesar, South (5650) | 1 | 1.15K | 91.8K | Apr 2002 – Feb 2013 |
| McKenzie, Dirks O-2-6009 | Dartex Energy Corporation | Cosden, W. (Hockley Upper) | 1 | 1.15K | 0 | Jan 2003 – Jun 2014 |
| May, Ethel O-2-2389 | Hardin Energy Co., Inc. | Tuleta, South (Hockley) | 1 | 1.14K | 49 | by Jan 1993 – Apr 1997 |
| Morris G-2-247498 | Nog Production & Operating LLC | Normanna (Hockley 3525) | 1 | 1.13K | 239K | Jun 2008 – Jul 2026 |
| Marshall, John O-2-1744 | Flournoy Oil & Gas, Inc. | Yoward | 3 | 1.13K | 18 | Feb 1993 – Jul 2009 |
| Sonley - Goines O-2-10421 | Sydson Energy, Inc. | Ray (Vicksburg-Hockley) | 1 | 1.13K | 10.5K | Nov 2012 – May 2014 |
| Moore, Jim O-2-6439 | Staples, James W. Prod. Co. | San Domingo, S. (3100 Sd.) | 1 | 1.13K | 191 | by Jan 1993 – Aug 2010 |
| Austin Brown O-2-11736 | Enco Exploration Company | Fred Long (Hockley 3850) | 1 | 1.12K | 6.42K | Jan 2019 – Mar 2019 |
| A. S. Reed G. U. G-2-192190 | Ffa Petroleum Services, Inc. | Normanna (Pettus) | 1 | 1.12K | 140K | Aug 2002 – Sep 2003 |
| Puckett G-2-223476 | Anderson Oil Ltd. | Caesar, South (5650) | 1 | 1.1K | 258K | Nov 2006 – Aug 2015 |
| Milster Ranch G-2-207940 | Hughes, Dan A. Company, L.P. | Caesar, South (9600) | 1 | 1.1K | 50.5K | Nov 2004 – Sep 2005 |
| Trial G-2-257814 | Enco Exploration Company | Norbee, S (Pettus) | 1 | 1.08K | 48.7K | Aug 2010 – Jun 2011 |
| Turner Gas Unit G-2-293017 | Blackbrush O & G, LLC | Pawnee (Wilcox) | 1 | 1.08K | 82.6K | Aug 2019 – Aug 2026 |
| Lewis Ranch G-2-184226 | Welder Exploration & Prod., Inc. | Poesta Creek, N. (Hockley) | 1 | 1.07K | 58.8K | Mar 2001 – May 2002 |
| Voss G-2-238155 | Continental Operating Co. | Holzmark (Pettus 4150) | 1 | 1.06K | 202K | Jul 2008 – Mar 2011 |
| Heard, C. E. "B" G-2-235984 | Lakeshore Operating, LLC | Heard Ranch (4400) | 1 | 1.05K | 1.1M | Oct 2007 – Jun 2025 |
| Thyssen G-2-154652 | Great Texas Crude Inc. | Tynan, East (Frio 4800) | 1 | 1.04K | 571K | May 1995 – Mar 1998 |
| Grissom G-2-216432 | Tidal Petroleum, Inc. | Caesar, South (Massive #2) | 1 | 1.03K | 167K | Oct 2005 – Oct 2010 |
| Johnston G-2-256361 | Galloway Lone Star, L.L.C. | Tuleta, N. (Wilcox 11,450) | 1 | 1.03K | 73.3K | Jan 2004 – Jul 2009 |
| Bradford, James G-2-170640 | Wagner Oil Company | Tuleta, South (Hockley 3450) | 1 | 1.03K | 137K | Sep 1998 – Aug 2000 |
| Roberts, Morris et Al G-2-117177 | Britanco, L.L.C. | Dirks (Hockley 2700) | 1 | 1.02K | 253K | by Jan 1993 – Aug 2026 |
| Long G-2-180811 | Enco Exploration Company | Malone Ranch (Pettus, Lo.) | 1 | 1.02K | 168K | Jun 2000 – Apr 2003 |
| Strauch G-2-213963 | Petrovybe Opco LLC | Strauch-Wilcox (10800) | 1 | 1.01K | 164K | Dec 2005 – Dec 2008 |
| Jostes G-2-155294 | Great Texas Crude Inc. | Tynan, East (Frio 4800) | 1 | 1K | 624K | Aug 1995 – Feb 2008 |
| Mitchell G-2-252149 | Nog Production & Operating LLC | Mudhill (Hockley) | 1 | 972 | 254K | Feb 2009 – Jul 2026 |
| Malone G-2-246430 | Enco Exploration Company | Beeville, Sw.(pettus 4525) | 1 | 969 | 48.7K | Feb 2009 – Mar 2010 |
| Ray-Wilcox Gas Unit Campbell G-2-145442 | Hydrocarbon Operating, Inc. | Ray-Wilcox (Lower Massive) | 1 | 957 | 73K | Apr 1993 – Sep 1995 |
| Harris, R.C. et Al O-2-5611 | Pace Production Co. | Dirks | 4 | 957 | 15 | by Jan 1993 – Jul 1997 |
| Ray, George A. G-2-220989 | Paleo Oil Company LLC | Tulsita-Wilcox ( Slick) | 1 | 945 | 107K | Jun 2006 – Mar 2019 |
| Obrien, J. J. -B- G-2-33086 | JTB Oil Company, Inc. | Blanconia (4700) | 1 | 931 | 411K | by Jan 1993 – Mar 2012 |
| McClaughtery O-2-8994 | Staples, James W. Prod. Co. | San Domingo, S. (3100 Sd.) | 1 | 924 | 88 | Jun 2005 – Aug 2013 |
| Malone -C- G-2-245438 | T-C Oil Company, LLC | Medio Creek (4100) | 1 | 917 | 2.8M | Jan 2009 – Aug 2026 |
| Eberstadt G-2-221072 | Anderson Oil Ltd. | Caesar, South (5650) | 1 | 913 | 151K | Jul 2006 – Mar 2010 |
| Brinkoeter, Winona O-2-6192 | Bodden Production | Caesar, South (Slick) | 1 | 907 | 92 | by Jan 1993 – Jun 1995 |
| McKinney, J. E. G-2-181661 | Hughes, Dan A. Company | Pettus, S.E. (Upper Mutt) | 1 | 903 | 18.2K | Jan 2001 – Sep 2001 |
| Royal G-2-167058 | Great Texas Crude Inc. | Tynan, East (Frio 4800) | 1 | 899 | 564K | Jan 1998 – Jul 2003 |
| McKinney, J. E. G-2-162185 | Hughes, Dan A. Company | Pettus, S.E. (Wilcox 8400) | 1 | 894 | 21.3K | Sep 1996 – Dec 1996 |
| Neuhaus-Grissom G-2-228604 | Neuhaus, V. F. Properties, Inc. | Caesar, South (5650) | 1 | 885 | 14.8K | Jul 2007 – Jun 2008 |
| Griffith & Associates G-2-184577 | C & E Operating, Inc. | Papalote (4500) | 1 | 861 | 18.7K | Jun 2001 – Apr 2002 |
| Brown H G-2-269248 | Trailblazer Oil & Gas LLC | Norbee (3400) | 1 | 849 | 61.4K | Jan 2013 – Apr 2018 |