| Faxel O-13-30481 | Formentera Operations LLC | Newark, East (Barnett Shale) | 1 | 36.2K | 2.32M | Jul 2005 – Jul 2026 |
| Thompson, John R. O-8-23056 | Taylor, Ben J. Inc. | Cal-Tex (Strawn) | 1 | 30.9K | 44.6K | Jan 1993 – Nov 2015 |
| Aledo Farms O-13-30902 | XTO Energy Inc. | Newark, East (Barnett Shale) | 3 | 25.8K | 1.92M | Feb 2007 – Aug 2015 |
| Moorefield, Joseph C. O-8-29446 | Formation Resour Field Svcs, LLC | Caddo (3440) | 1 | 12.5K | 80.9K | Aug 2004 – Jul 2026 |
| Rhoades O-8-15408 | Encana Oil & Gas(usa) Inc. | Carterville (Strawn, Upper) | 2 | 11.9K | 112K | Jan 1993 – Jul 2007 |
| Savage "B" O-8-16920 | J-Tec Operating, LLC | Moby Dick (Congl) | 1 | 9.67K | 87.8K | Jan 1993 – Jul 2026 |
| Mosites O-13-30903 | BKV North Texas, LLC | Newark, East (Barnett Shale) | 1 | 6.78K | 1.27M | Jun 2007 – Jul 2024 |
| Daly, Scott L. Trustee -A- O-8-3165 | Arrowhead Productions, LP | Cal-Tex (Caddo) | 6 | 6.45K | 207K | Jan 1993 – Jul 2026 |
| Stephen Mann O-13-32018 | Peba Oil & Gas, Inc. | Newark, East (Barnett Shale) | 1 | 4.1K | 59.9K | Aug 2011 – Sep 2023 |
| Ranch House O-8-28530 | Upham Oil & Gas Company | Brazos, East (Caddo, Upper) | 1 | 3.69K | 76.1K | Sep 1998 – Jul 2026 |
| Dunaway O-8-25579 | MKS Consulting Corporation | Springtown (Caddo) | 1 | 3.56K | 112K | Jan 1993 – Jun 2001 |
| Baker O-8-31102 | Tarpon Oil & Gas Co. | Oran (Marble Falls) | 1 | 2.77K | 65.4K | Jul 2012 – Sep 2016 |
| Warren, James L. O-8-29627 | Formation Resour Field Svcs, LLC | Caddo (3440) | 1 | 2.67K | 226K | Jul 2005 – Jul 2026 |
| Keel O-8-19987 | Westridge Oil & Gas Properties | Bethesda (Caddo) | 1 | 2.58K | 71 | Jan 1993 – Sep 2009 |
| Wells, A.E. O-8-23318 | MKS Natural Gas Company | Poolville, W. (Strawn) | 2 | 2.27K | 10.8K | Jan 1993 – Feb 2007 |
| Ellenbarger O-8-15871 | JJB Operating Co. | Bethesda (Caddo) | 3 | 2.11K | 24.8K | Jan 1993 – Jul 2026 |
| Sanders O-8-13944 | CD Consulting & Operating Co. | Cal-Tex (Strawn) | 1 | 2.02K | 21 | Jan 1993 – Jun 1996 |
| Lyon a Unit O-13-32685 | FX Energy Operating, LLC | KRS (Marble Falls) | 1 | 1.83K | 88.3K | Sep 2013 – Jul 2026 |
| Sullivan-Donaldson O-13-23653 | Mitchell Energy Corporation | Daly (Caddo, Lower) | 1 | 1.65K | 19 | Jan 1993 – Oct 2000 |
| Phillips "C" O-8-28865 | Wise Exploration | Meeker (Congl. 5100) | 1 | 1.05K | 30K | Aug 2000 – Jan 2011 |
| Ashbrook O-8-32022 | FX Energy Operating, LLC | Burns-Dalton(marble Falls) | 1 | 935 | 84.3K | Jun 2016 – Jul 2026 |
| Hutcheson "A" O-8-16986 | Encana Oil & Gas(usa) Inc. | Springtown (Caddo) | 1 | 606 | 3.62K | Jan 1993 – Mar 2007 |
| FHM Oil Unit O-8-21584 | MKS Natural Gas Company | Springtown (Caddo) | 2 | 478 | 341 | Jan 1993 – Jan 2008 |
| Harms O-8-25849 | Spindletop Oil & Gas Company | Springtown (Caddo) | 1 | 451 | 8.86K | Jan 1993 – Jul 2026 |
| Ancelin, D. O-8-23105 | MKS Consulting Corporation | Kelsay (Strawn) | 1 | 444 | 42K | Jan 1993 – Jun 1998 |
| B.S.L. O-8-31790 | United Operating, LLC | Moby Dick (Marble Falls) | 1 | 425 | 3 | May 2013 – Jul 2026 |
| Jones O-8-26167 | Sterling Oil and Gas | Bethesda (Caddo) | 1 | 384 | 19.6K | Jan 1993 – Jul 2026 |
| Coomer, K. O-8-28968 | Fagadau Energy Corporation | Springtown (Caddo) | 1 | 278 | 13.9K | May 2001 – Apr 2006 |
| Smith, Kermit O-8-14466 | MKS Consulting Corporation | Toto (Strawn) | 1 | 233 | 21.7K | Jan 1993 – Jan 1998 |
| Hargis O-8-28827 | Upham Oil & Gas Company | Brazos, East (Caddo, Upper) | 1 | 210 | 770 | Jun 2000 – Nov 2002 |
| Isbell "21" O-8-16269 | Taylor, Ben J. Inc. | Toto (Strawn, Lower) | 1 | 144 | 383 | Jan 1993 – Nov 2001 |
| Prochnow O-8-23396 | Sha Stephens, Incorporated | Weatherford, SW. (Strawn) | 1 | 114 | 340 | Jan 1993 – Aug 2003 |
| Brown, R.B. O-8-23771 | CD Consulting & Operating Co. | Toto (Strawn, Lower) | 1 | 83 | 5 | Jan 1993 – Jul 1996 |
| Gray O-8-23048 | Hess, Jerry Operating Co. | Keri Kim (Strawn) | 1 | 81 | 27 | Jan 1993 – Nov 1997 |
| Hutcheson, A.J. O-8-29374 | Primexx Operating Corporation | Springtown (Caddo) | 1 | 80 | 6.71K | Mar 2004 – Apr 2019 |
| Dunaway O-8-31245 | Oxxn | Springtown (Caddo) | 1 | 80 | 14.4K | Nov 2012 – Sep 2016 |
| Bennett O-8-28039 | Graystone Exploration Corp. | Steve's (Mississippian) | 1 | 70 | 433 | Oct 1996 – Aug 2003 |
| Chilcutt, J.F. O-8-22025 | Mitchell Energy Corporation | Cal-Tex (Strawn, South) | 1 | 61 | 20 | Jan 1993 – Aug 1997 |
| Whitt O-8-27789 | Star Operating, Inc | Whitt (Big Saline) | 1 | 18 | 120 | Dec 1995 – Jul 2026 |
| McFarland G-5-273796 | BKV Barnett II, LLC | Newark, East (Bend Conglomerate) | 1 | 0 | 2.57M | Nov 2013 – Jul 2026 |
| McFarland G-5-274266 | BKV Barnett II, LLC | Newark, East (Bend Conglomerate) | 1 | 0 | 445K | Oct 2013 – Jul 2026 |
| McFarland G-5-275734 | BKV Barnett II, LLC | Newark, East (Bend Conglomerate) | 1 | 0 | 18.3K | Nov 2013 – Jul 2026 |
| McFarland G-5-276965 | BKV Barnett II, LLC | Newark, East (Bend Conglomerate) | 1 | 0 | 65.7K | May 2014 – Jul 2026 |
| McFarland G-5-276966 | BKV Barnett II, LLC | Newark, East (Bend Conglomerate) | 1 | 0 | 110K | Feb 2014 – Jul 2026 |
| Chenault "A" G-8-17375 | Brazos Operating LLC | Brazos, East (Caddo) | 1 | 0 | 304K | Jan 1993 – Jul 2026 |
| Carr -J- Unit G-8-17384 | Itx Corporation | Brazos, East (Caddo) | 1 | 0 | 714K | Jan 1993 – Jul 2026 |
| Chenault "A" G-8-17396 | Brazos Operating LLC | Brazos, East (Strawn) | 1 | 0 | 29.6K | Jan 1993 – Jul 2026 |
| Wilson, L. B. G-8-18473 | Citation Oil & Gas Corp. | Toto (Bend Congl., Lower) | 1 | 0 | 0 | Jan 1993 – Feb 1996 |
| Pearson, J. M. G-8-34190 | Meeker and Company, Inc. | Meeker (Conglomerate 3850) | 1 | 0 | 0 | Jan 1993 – Feb 2010 |
| King, Elizabeth, Unit G-8-43721 | Upham Oil & Gas Company | Meeker (2200) | 1 | 0 | 591 | Jan 1993 – Jun 1993 |