| O'Conner, Dennis et al "L" G-2-134125 | T - C Oil Company only | Lake Pasture (L-200) | Refugio | 1 | 0 | 79.5K | Jan 1993 – Sep 2006 |
| O'Conner G-2-134973 | T - C Oil Company only | Huff (2400) | Refugio | 1 | 0 | 0 | Jan 1993 – Apr 1993 |
| O'Conner, L.W. Estate "A" G-2-134977 | Hilcorp Energy Company only | Live Oak Lake (Consolidated) | Goliad | 1 | 0 | 0 | Jan 1993 – Oct 1996 |
| O'Conner, Thomas "B" G-2-134993 | Quintana Pet. Corp. only | Mary Ellen Oconnor (FQ-25) | Refugio | 1 | 0 | 0 | Jan 1993 – Oct 1997 |
| O'Conner, Thomas G-2-135280 | Greta Operating Company LLC only | Greta (L- 5) | Refugio | 1 | 0 | 625K | Jan 1993 – Jul 2026 |
| T-C Oil Co.-O'Conner G-2-135658 | T - C Oil Company only | Lake Pasture (H-484) | Refugio | 1 | 0 | 0 | Jan 1993 – Feb 2007 |
| O'Conner, L.W. Estate "A" G-2-135659 | Hilcorp Energy Company only | Live Oak Lake (Consolidated) | Goliad | 1 | 0 | 27.3K | Jan 1993 – Nov 2001 |
| O'Conner, Louise G-2-171243 | Hart Petroleum Services, Inc only | Anaqua, North (5600) | Victoria | 1 | 0 | 35.9K | Sep 1998 – May 1999 |
| O'Conner, Louise "A" G-2-173204 | Southern Bay Operating, L.L.C. only | Anaqua, North (5375) | Victoria | 1 | 0 | 119K | Mar 1999 – Aug 2011 |
| T-C Oil Co.-O'Conner G-2-189304 | T-C Oil Company, LLC only | Lake Pasture (H-434) | Refugio | 1 | 0 | 2.1M | Mar 2002 – Jul 2026 |
| O'Conner, L.W. Estate "A" G-2-207225 | Hilcorp Energy Company only | Live Oak Lake (Frio 2880) | Goliad | 1 | 0 | 193K | Dec 2004 – Aug 2010 |
| O'Conner, Thomas G-2-234526 | Acock/Anaqua Operating Co., LP only | Greta (L-10) | Refugio | 1 | 0 | 6.37K | Jan 2008 – Nov 2012 |
| O'Conner, Thomas G-2-243789 | Cambrian Management, Ltd. only | Greta (L- 5-A) | Refugio | 1 | 0 | 0 | Aug 2008 – Jul 2010 |
| O'Conner-Miller G-2-272693 | Atlas Operating LLC only | Bright Falcon (Yegua 10,300) | Jackson | 1 | 0 | 58.6K | Feb 2014 – Jul 2026 |
| O'Conner, B. W. G-3-110960 | Huber, J. M., Corporation only | Lucky, West ( Thompson) | Matagorda | 1 | 0 | 0 | Jan 1993 – Mar 2000 |
| Conner-Taub G-3-248966 | Gaither Petroleum Corporation only | Hankamer (Miocene Gas) | Liberty | 1 | 0 | 101K | Mar 2006 – Dec 2013 |
| Conner Gas Unit G-6-98607 | Cci Gulf Coast Upstream LLC only | Red Land,north (Travis Peak) | Angelina | 1 | 0 | 1.24M | Jan 1993 – Jan 2020 |
| Conner G-6-156417 | Matador Operating Company only | New Barn (Cotton Valley Sand) | Cass | 1 | 0 | 0 | Nov 1994 – May 2001 |
| Conner, W. T. G-6-187632 | Rose City Resources, LLC only | Lassater (Cotton Valley) | Marion | 1 | 0 | 1.25M | Feb 2002 – Jul 2026 |
| Conner G-6-194491 | Buffco Production Inc. only | Lassater (Travis Peak, Gas) | Cass | 1 | 0 | 11 | May 2001 – Jul 2026 |
| Conner G-6-204920 | Buffco Production Inc. only | Avinger (Jurassic) | Cass | 1 | 0 | 319K | Jul 2004 – Sep 2015 |
| Conner G-6-215760 | Buffco Production Inc. only | Lassater (Cotton Valley) | Cass | 1 | 0 | 120K | Mar 2005 – Jul 2026 |
| Conner G-6-280163 | Buffco Production Inc. only | Lassater (Cotton Valley) | Cass | 1 | 0 | 4.97K | Sep 2015 – Jan 2017 |
| O'Conner G-8-102339 | Salsa Gas Producers, Inc. only | McIntosh (Strawn) | Somervell | 1 | 0 | 0 | Jan 1993 – Apr 2010 |
| Conners G-8-104125 | Byrne, Robert E. only | Conners (Strawn) | Eastland | 1 | 0 | 2.23K | Jan 1993 – Apr 1998 |
| Conner, J.E. G-8-114703 | S.B. Street Operating, Inc. only | Stephens County Regular (Gas) | Stephens | 1 | 0 | 169K | Jan 1993 – Jul 2026 |
| Conner, J.E. "A" G-8-115830 | S.B. Street Operating, Inc. only | Stephens County Regular (Gas) | Stephens | 1 | 0 | 85.1K | Jan 1993 – Jul 2026 |
| O'Conner, V.C. G-8-120500 | Texxol Operating Company, Inc. only | Richey (Duffer) | Eastland | 1 | 0 | 96K | Jan 1993 – Apr 2020 |
| O'Conner,v.c. "A" G-8-120502 | Richey, Ray Management Co., Inc. only | Richey (Duffer) | Stephens | 1 | 0 | 58.2K | Jan 1993 – Oct 2015 |
| Conner G-8-122944 | Byrne, Robert E. only | Reb (Marble Falls) | Eastland | 1 | 0 | 6.46K | Jan 1993 – Apr 1998 |
| Conner-McCrea G-8-126524 | Brico Oil, Inc. only | Lee Ray (Duffer Lime) | Stephens | 1 | 0 | 13K | Jan 1993 – Sep 2018 |
| O'Conner,c.j. G-8-129225 | Bullard, Don only | E.J.M. (Duffer) | Stephens | 1 | 0 | 17.4K | Jan 1993 – Sep 2009 |
| Thomas, Brady G-8-129403 | Conner-Marrs Company only | Brown County Regular | Brown | 1 | 0 | 27.1K | Jan 1993 – May 2001 |
| Leach, Fred "A" G-8-135159 | Conner-Marrs Company only | Brown County Regular | Brown | 1 | 0 | 34 | Jan 1993 – Jul 2026 |
| Lewis, H.C. G-8-141959 | Conner-Marrs Company only | Brown County Regular | Brown | 1 | 0 | 1.18K | Jan 1993 – Jul 2026 |
| Conner, Sam G-8-158108 | Richey, Ray Management Co., Inc. only | Burleson (Strawn) | Palo Pinto | 1 | 0 | 26.2K | Mar 1996 – Dec 2007 |
| O'Conner, C.J. G-8-196747 | Pardue Oil, Inc. only | Manning-Oconnor (Caddo) | — | 1 | 0 | 10.1K | Aug 2003 – Mar 2026 |
| Nichols "A" G-8-223822 | Conner-Marrs Company only | Brown County Regular | Brown | 1 | 0 | 8.72K | Aug 2006 – Jul 2026 |
| Conner G-9-166803 | Vickers Production Comp L.L.C. only | Angus (Strawn) | Crockett | 1 | 0 | 662K | Sep 1997 – Jul 2026 |
| Conner G-9-166804 | Vickers Production Comp L.L.C. only | Henderson (Canyon) | Crockett | 1 | 0 | 0 | Sep 1997 – Feb 2022 |
| Conner "A" G-13-151301 | Bridwell Oil Co. only | Stewart (Marble Falls) | Jack | 1 | 0 | 62.5K | Sep 1994 – Apr 2012 |
| Conner "A" G-13-151895 | Bridwell Oil Co. only | Stewart (Marble Falls) | Jack | 1 | 0 | 8.15K | Sep 1994 – Apr 2000 |
| Conner G-14-22648 | Resource Oil and Gas, LLC only | Share (Morrow, Upper) | — | 1 | 0 | 121K | Jan 1993 – Jul 2026 |
| Conner, Nellie G-14-49390 | Quanah Panhandle, LLC only | Share (Morrow, Upper) | — | 1 | 0 | 71.5K | Jan 1993 – Sep 2022 |
| Lance -A- G-14-147348 | Rig Petroleum, LLC only | Farnsworth-Conner (Kansas City) | Ochiltree | 1 | 0 | 338K | Aug 1993 – Jul 2026 |
| Neufeld, L.H. G-14-179417 | High River Res Operating, LLC only | Farnsworth-Conner (Des Moines) | — | 1 | 0 | 58.7K | Oct 2000 – Jul 2026 |
| Conner G-14-185343 | Unbridled Resources, LLC only | Farnsworth-Conner (Des Moines) | — | 1 | 0 | 97K | Sep 2001 – May 2021 |
| Rogers, O.C. Estate G-14-202487 | Spindletop Oil & Gas Company only | Farnsworth-Conner (Des Moines) | — | 1 | 0 | 19.9K | Jan 2004 – Mar 2013 |
| Rogers, D.C. G-14-243924 | Enervest Operating, L.L.C. only | Farnsworth-Conner (Des Moines) | — | 1 | 0 | 1.63K | Oct 2008 – Apr 2012 |