| Maloney, F. B. O-13-24229 | Brammer Petroleum, Inc. | Sadler, West (Pennsylvanian) | 1 | 41.7K | 21 | by Jan 1993 – Aug 2026 |
| Hazlip O-13-33815 | Tatanka Operating, LLC | Big Mineral Creek (Viola) | 1 | 40.8K | 797K | Jun 2018 – Aug 2026 |
| Myron O-13-32188 | BKM Production | Perrin, N. Afb (Baker SD) | 1 | 40.5K | 160K | Apr 2011 – Aug 2026 |
| Brooks, Sophia O-13-23460 | WLH Production LLC | Cannon (3140) | 3 | 40.5K | 21 | by Jan 1993 – Apr 2026 |
| Chiles, Amy O-13-18343 | Harbor Resources LLC | New-Mag (Baker Sand) | 1 | 40.3K | 302K | by Jan 1993 – Jun 2026 |
| Christopher, Lena B. O-13-32730 | BLS Production Co., Inc. | Collinsville, SE. (3960 Sand) | 1 | 40.2K | 0 | Dec 2013 – Aug 2026 |
| Christopher, Lena B. O-13-18193 | BLS Production Co., Inc. | Collinsville, SE. (3950 Sand) | 3 | 40.1K | 21 | by Jan 1993 – Mar 2023 |
| Brown, W. O-13-24932 | Charter Oak Production Co., LLC | Southmayd, North (Baker-Viola) | 1 | 39.7K | 150K | by Jan 1993 – Oct 2014 |
| Seat O-13-12732 | Petex | Big Mineral, SE. (V Sand) | 1 | 39.6K | 518K | by Jan 1993 – Aug 2026 |
| McMenamy, W. D. O-13-17235 | Atex Exploration & Operating Co. | Mackoy (Strawn) | 1 | 39.3K | 21 | by Jan 1993 – Jul 2017 |
| Handy Unit O-13-13500 | BLS Production Co., Inc. | Handy, SE. (H-1) | 4 | 38.8K | 32.3K | Mar 2000 – Sep 2021 |
| Willis O-13-27768 | Felderhoff Production Company | Southmayd, North (Baker-Viola) | 1 | 38.5K | 17.7K | by Jan 1993 – Jul 2026 |
| Blue Sky Unit #1 O-13-33945 | Texcel Exploration, Inc. | Southmayd, North (Baker-Viola) | 1 | 38.4K | 78.3K | Jul 2019 – Aug 2026 |
| Carraway, J. H., Mrs. O-13-3102 | Doolaree Corporation | Sherman (Mott Sand) | 1 | 38.3K | 7.94K | by Jan 1993 – Aug 2026 |
| Tomlinson Unit O-13-33283 | Silver Creek Oil & Gas, LLC | Sandusky | 1 | 38.1K | 10.8K | May 2015 – Aug 2026 |
| Keliehor, C. J., Unit #2 O-13-3070 | Rowland Tank Truck Company | Sherman, East | 1 | 38K | 118 | by Jan 1993 – Aug 2026 |
| Martin O-13-23178 | Charter Oak Production Co., LLC | Southmayd, North (Baker-Viola) | 1 | 37.8K | 179K | by Jan 1993 – Oct 2006 |
| Reast, T. W. -B- O-13-16096 | Silver Creek Oil & Gas, LLC | Sandusky | 1 | 37.5K | 66.3K | by Jan 1993 – May 2019 |
| Hudgins Trust O-13-34050 | Tatanka Operating, LLC | Southmayd (Pennsylvanian 6600) | 1 | 37.3K | 97.1K | Aug 2021 – Aug 2026 |
| Keliehor, C. J., Unit #3 O-13-3071 | Rowland Tank Truck Company | Sherman, East | 1 | 37K | 120 | by Jan 1993 – Aug 2026 |
| Younger, Ruth O-13-8435 | BKM Production | Mackoy, East (Strawn 4200) | 1 | 36.8K | 193 | by Jan 1993 – Aug 2026 |
| Christopher-Hunt Unit O-13-19878 | Snuggs Oil Company | Collinsville, SE. (3960 Sand) | 1 | 36.8K | 21 | by Jan 1993 – Feb 2001 |
| Anderson, J. E. -C- O-13-2783 | Felderhoff Production Company | Mackoy (Strawn) | 2 | 36.4K | 21 | by Jan 1993 – Mar 2025 |
| Simpson, L. M. T. O-13-12113 | BKM Production | Sherman (Davis 8400) | 2 | 36.4K | 226K | by Jan 1993 – Aug 2026 |
| Christopher, Lena B. O-13-21888 | BLS Production Co., Inc. | Collinsville, SE. (3860 Sand) | 1 | 35.9K | 21 | by Jan 1993 – Aug 2026 |
| Sandusky West /Strawn/ Unit O-13-12083 | Hep Oil Company, Ltd. | Sandusky, West (Strawn) | 5 | 35.9K | 480 | by Jan 1993 – Feb 2001 |
| Newsom O-13-27043 | WLH Production LLC | Cannon (3140) | 1 | 35.8K | 21 | by Jan 1993 – Jul 2026 |
| Godwin, J. W. O-13-12623 | St. Cajetan Oil Company, LLC | Cooke County Regular | 6 | 35.8K | 3.23K | by Jan 1993 – Jul 2026 |
| Collins, C. E. O-13-27667 | Rowland Tank Truck Company | Van Alstyne (Oil Creek) | 1 | 35.8K | 34 | by Jan 1993 – Aug 2026 |
| Hill-Anderson O-13-30409 | R2Q Operating LLC | Big Indian (Dornick Hills) | 1 | 35.4K | 609K | Feb 2005 – Jul 2026 |
| Bewley-Pearce O-13-18217 | Brammer Petroleum, Inc. | Sparkler (Handy) | 1 | 35.1K | 77.2K | by Jan 1993 – Aug 2013 |
| Mrs J H Carraway O-13-17191 | Doolaree Corporation | Sherman | 1 | 35.1K | 1.01K | by Jan 1993 – Aug 2026 |
| Rich "A" O-13-30376 | Heape Exploration, Inc. | Gordonville, West (Viola) | 1 | 34.6K | 128K | Aug 2004 – Oct 2014 |
| Ramp A O-13-31627 | Silver Creek Oil & Gas, LLC | Sandusky, South (Oil Creek) | 1 | 33.9K | 20.7K | Jun 2010 – Mar 2020 |
| Jamison, A. C. Estate NCT-1 O-13-16410 | Brammer Petroleum, Inc. | Sadler, W. (5900) | 3 | 33.5K | 21 | by Jan 1993 – Aug 2026 |
| Jamison Est. O-13-13577 | St. Cajetan Oil Company, LLC | Sadler, SW. (Bruhlmeyer Lo.) | 4 | 33.3K | 2.72K | by Jan 1993 – Aug 2026 |
| Yount, M. O-13-12883 | Petex | Pottsboro, South (Cordell 9300) | 2 | 33K | 901K | by Jan 1993 – Aug 2026 |
| Anderson, J. E. O-13-17286 | Staub, Larry, Inc. | Sandusky, W. (Dornick Hills, N.) | 1 | 32.7K | 189 | by Jan 1993 – Apr 2026 |
| Johnson, S. A. O-13-12765 | Grayson Petroleum Company | Big Mineral, SE. (E Sand FB V) | 3 | 32.2K | 125K | by Jan 1993 – Aug 2026 |
| Tate et al Unit, Well No. 1 O-13-22779 | Felderhoff Production Company | Southmayd, N.E. (Davis Lower) | 1 | 32.1K | 455K | by Jan 1993 – Feb 2017 |
| Brooks O-13-31901 | Atoka Operating, Inc. | Big Mineral Creek (Simpson) | 1 | 32.1K | 77.8K | Jan 2011 – Jul 2019 |
| R&S Trust O-13-33989 | BKM Production | Pottsboro, West (Cordell Sd.) | 1 | 32K | 145 | Nov 2018 – Aug 2026 |
| Neal, C. A. O-13-2948 | Silver Creek Oil & Gas, LLC | Sandusky | 1 | 31.9K | 22.3K | by Jan 1993 – Jul 2019 |
| Tunnell O-13-32299 | Charter Oak Production Co., LLC | Sherman (10700) | 1 | 31.6K | 0 | Feb 2012 – Aug 2026 |
| Terry Heirs O-13-22328 | Far West Development, LLC | Sherman (Pennsylvanian Lower) | 1 | 31.2K | 8.86K | by Jan 1993 – Aug 2026 |
| Pickens, Byrd O-13-21877 | Felderhoff Production Company | Southmayd, NE. (Strawn) | 1 | 31.1K | 380K | by Jan 1993 – Jul 2026 |
| Mullins, Clark O-13-25874 | BKM Production | Collinsville, SE. (3860 Sand) | 1 | 30.7K | 21 | by Jan 1993 – Aug 2026 |
| Handy, J. R. O-13-2749 | BLS Production Co., Inc. | Handy, SE. (Strawn 2400) | 6 | 30.6K | 15K | by Jan 1993 – Aug 2026 |
| Grimes, L. A. O-13-20655 | Jetta Operating Company, Inc. | Big Mineral, SE. (E Sand FB V) | 1 | 30.2K | 21 | by Jan 1993 – Jul 2026 |
| Carder O-13-24876 | Younger Energy Company | Pottsboro, South (Cordell 9300) | 1 | 30.2K | 80.4K | by Jan 1993 – May 2010 |