| Sweeney, R. L. O-13-10783 | Grayson Petroleum Company | Big Mineral, SE. (E Sand FB V) | 1 | 9.39K | 162K | by Jan 1993 – Apr 2018 |
| Hudgins, Lee O-13-2865 | Jaco, Troy Inc. | Ohagan (Davis, Lower) | 1 | 9.34K | 22.3K | by Jan 1993 – Apr 2008 |
| Brown O-13-32302 | Atoka Operating, Inc. | Southmayd, North (Baker-Viola) | 1 | 9.32K | 41.7K | Jul 2012 – Jan 2019 |
| Sherman (8900 Penn) Unit G-13-138696 | BKM Production | Sherman (Pennsylvanian 8900) | 1 | 9.17K | 930K | by Jan 1993 – Aug 2026 |
| Newman, Rebecca O-13-17179 | BKM Production | Sherman | 1 | 9.15K | 1.55K | Jun 2005 – Aug 2026 |
| Gray, John G. O-13-31874 | Seitz, J. R. & Adam, Ltd. | Dove | 1 | 9.15K | 0 | Aug 2011 – Aug 2026 |
| Handy, J. R. O-13-17201 | BLS Production Co., Inc. | Handy, SE. (Strawn 2700) | 1 | 9.15K | 4.05K | by Jan 1993 – Aug 2026 |
| Hutchinson, C. C., -B- O-13-2748 | BLS Production Co., Inc. | Handy, SE. (Strawn 2400) | 2 | 9.13K | 11.3K | Jan 2000 – Aug 2026 |
| Spring Creek Unit O-13-30606 | Felderhoff Production Company | Collinsville | 1 | 8.99K | 0 | Mar 2006 – Jul 2026 |
| Anderson, J. E. C-4200 Sand O-13-2805 | Felderhoff Production Company | Mackoy (4200 Sand) | 1 | 8.97K | 21 | by Jan 1993 – Jul 2026 |
| Younger, W. R. O-13-16690 | Atex Exploration & Operating Co. | Mackoy (3450) | 1 | 8.96K | 21 | by Jan 1993 – Aug 2026 |
| Wright, D. W. O-13-12455 | Delek Energy Systems US, Inc. | Big Mineral, SE. (V Sand) | 2 | 8.95K | 64.9K | by Jan 1993 – Mar 2003 |
| Shankles, D. L. #2 O-13-24545 | BKM Production | Grace-Mag (Penn Cordell) | 1 | 8.92K | 82.1K | by Jan 1993 – Mar 2006 |
| Handy, J. R. O-13-15426 | BLS Production Co., Inc. | Handy, North | 1 | 8.86K | 5.56K | by Jan 1993 – Feb 2016 |
| Collums, H. H. O-13-17127 | Staub, Larry, Inc. | Sandusky, West (5650 Sand) | 1 | 8.85K | 223 | by Jan 1993 – Apr 2026 |
| Kusch O-13-24203 | BKM Production | Perrin, N. Afb (Cordell Sd.) | 1 | 8.64K | 319K | by Jan 1993 – Aug 2026 |
| Handy, J. R. O-13-15284 | BLS Production Co., Inc. | Handy (B Sand) | 1 | 8.56K | 3.05K | by Jan 1993 – Aug 2026 |
| Stout, H. I. O-13-29050 | BKM Production | Sherman (Davis 8400) | 1 | 8.51K | 90.8K | Jun 1995 – Aug 2026 |
| Younger, Ruth O-13-8752 | Brammer Supply, Inc. | Whitesboro (Oil Creek Sand) | 1 | 8.5K | 23 | by Jan 1993 – Nov 1997 |
| Smith, Floyd O-13-21450 | Jetta Operating Company, Inc. | Big Mineral, SE. (E Sand FB V) | 1 | 8.47K | 20 | by Jan 1993 – Jan 2004 |
| Floyd, Lillie O-13-10770 | Grayson Petroleum Company | Collinsville, East (Strawn 3400) | 1 | 8.45K | 21 | by Jan 1993 – Aug 2026 |
| Handy Unit O-13-13154 | BLS Production Co., Inc. | Handy, Southeast (Q) | 1 | 8.43K | 56.1K | by Jan 1993 – Dec 2015 |
| Fed-EX 1178 O-13-29511 | BKM Production | Sherman (Davis 8400) | 1 | 8.36K | 11.1K | Nov 1997 – Jan 2002 |
| Marshall O-13-27589 | Brammer Petroleum, Inc. | Southmayd, North (Baker-Viola) | 1 | 8.28K | 25.8K | by Jan 1993 – Aug 2026 |
| Calloway O-13-29214 | Felderhoff Production Company | Tioga, East (Degan Sand) | 1 | 8.25K | 0 | Oct 1996 – Feb 2022 |
| Hunt O-13-32718 | Silver Creek Oil & Gas, LLC | Mulder (Ellenburger) | 1 | 8.12K | 0 | Sep 2013 – Jul 2019 |
| Lee G-13-139807 | Younger Energy Company | Pottsboro, South (Cordell 9300) | 1 | 7.88K | 2.32M | by Jan 1993 – May 2024 |
| East Ham Gas Unit G-13-106860 | Brammer Petroleum, Inc. | Paradise Cove (LO Dornick Hills) | 1 | 7.72K | 30.2K | by Jan 1993 – Aug 2026 |
| Terry O-13-30612 | Chesapeake Operating, Inc. | Southmayd, North (Baker-Viola) | 1 | 7.68K | 2.7K | Jan 2005 – Mar 2011 |
| Mackoy, W. P.-Upper Strawn 3800 O-13-2787 | IP Well Service LLC | Mackoy (Strawn) | 1 | 7.59K | 6 | by Jan 1993 – Jan 2023 |
| Jamison, Amanda C. O-13-2806 | Felderhoff Production Company | Mackoy (4200 Sand) | 2 | 7.58K | 21 | by Jan 1993 – Nov 2016 |
| Hayes -A- O-13-29169 | Aeternum Energy, LLC | Hudgins (Davis, Cons.) | 1 | 7.55K | 74K | Apr 1996 – Aug 2024 |
| Shankles, D. L. O-13-23727 | Samson Lone Star LP | Grace-Mag (Penn Cordell) | 1 | 7.52K | 264K | by Jan 1993 – Sep 2004 |
| McAden, E. W. O-13-17402 | Tatanka Operating, LLC | Philpick (Strawn 5000) | 1 | 7.45K | 197 | by Jan 1993 – Aug 2026 |
| McRae, Sarah O-13-27424 | BKM Production | Sherman (Pennsylvanian 8900) | 1 | 7.44K | 872K | by Jan 1993 – Aug 2014 |
| Moran, J. E. "A" O-13-29845 | Brammer Petroleum, Inc. | McMillan, North (Oil Creek) | 1 | 7.38K | 39.2K | Dec 2000 – Aug 2025 |
| J.H.G. Corp. O-13-22055 | Eagle Oil & Gas Co. | Southmayd, NE. (Strawn) | 1 | 7.38K | 20 | by Jan 1993 – Sep 2000 |
| Sherman (8900 Penn) Unit G-13-73986 | BKM Production | Sherman (Pennsylvanian 8900) | 1 | 7.32K | 3.51M | by Jan 1993 – Aug 2026 |
| Walsh G-13-195128 | Charter Oak Production Co., LLC | Southmayd, North (Baker-Viola) | 1 | 7.29K | 176K | Apr 2003 – Dec 2022 |
| Walsh #1 O-13-24267 | Charter Oak Production Co., LLC | Southmayd, North (Baker-Viola) | 2 | 7.29K | 174K | by Jan 1993 – Aug 2026 |
| Barton, Mary O-13-24834 | Jones, L. E. Operating, Inc. | Delaware Bend, North (Handy) | 1 | 7.26K | 36 | by Jan 1993 – Mar 2021 |
| K-S Unit O-13-25213 | Jones, L. E. Operating, Inc. | Delaware Bend, North (Handy) | 1 | 7.13K | 189K | by Jan 1993 – Jun 2022 |
| Phillip O-13-30245 | Samson Lone Star, LLC | New-Mag (Davis Sand) | 1 | 7K | 16.6K | Nov 2003 – Mar 2007 |
| Lafitte, Darrell M. O-13-27194 | S.B. Street Operating, Inc. | Two Eds (Hester Sand) | 1 | 6.92K | 19 | by Jan 1993 – Jul 1999 |
| Bailey, W. H. O-13-2854 | Cholla Petroleum, Inc. | Mulder (Oil Creek) | 1 | 6.9K | 61K | by Jan 1993 – Aug 2006 |
| Younger, W. R. O-13-16689 | Atex Exploration & Operating Co. | Mackoy (4500) | 1 | 6.8K | 21 | by Jan 1993 – Aug 2026 |
| Lahache Unit O-13-3065 | Rowland Tank Truck Company | Sherman, East | 1 | 6.77K | 33 | by Jan 1993 – Jan 2003 |
| Baker, W. H. G-13-229777 | BKM Production | Sherman (Ordivician 9,450) | 1 | 6.73K | 539K | Feb 2007 – Apr 2023 |
| Elliott, Paul O-13-14421 | Seitz, J. R. & Adam, Ltd. | Collinsville, East (Strawn 2750) | 2 | 6.68K | 21 | by Jan 1993 – Dec 1998 |
| Sarris, I. A. O-13-24513 | Jaco, Troy Inc. | Perrin, N. Afb (Baker SD) | 1 | 6.66K | 21 | by Jan 1993 – Jan 1999 |