| Sherman (8900 Penn.) Unit G-13-154308 | BKM Production | Sherman (Pennsylvanian 8900) | 1 | 4.17K | 774K | May 1995 – Aug 2026 |
| Jewell-Wilbur O-13-34467 | Atoka Energy LLC | Big Mineral Creek (Viola) | 1 | 4.06K | 9.35K | May 2026 – Aug 2026 |
| Wright O-13-29155 | Felderhoff Production Company | Hudgins (Davis, Cons.) | 1 | 4.05K | 1.37K | Apr 1996 – Oct 2001 |
| Garr, W. N. G-13-21625 | Little, Quintin Company,inc.,the | Sherman, Southeast (Oil Creek) | 1 | 3.95K | 923K | by Jan 1993 – Aug 2026 |
| Stephenson, W. L., Etal O-13-10861 | Seitz, J. R. & Adam | Collinsville, East (Strawn 3600) | 1 | 3.92K | 21 | by Jan 1993 – Dec 1996 |
| Sandusky West /Penn./ Unit O-13-15560 | Brammer Supply, Inc. | Sandusky, West (Penn.) | 2 | 3.88K | 240 | by Jan 1993 – Aug 1998 |
| Dowdy O-13-27991 | STB Energy Inc. | Southmayd, North (Baker-Viola) | 1 | 3.87K | 4.25K | by Jan 1993 – Oct 1999 |
| Frampton O-13-32290 | Longfellow Energy, LP | Denison, S. (Woodlake) | 1 | 3.87K | 672 | Nov 2011 – Aug 2026 |
| Godsey, O. O-13-14774 | Grayson Petroleum Company | Hudgins, Sw.(flt BLK Oil Creek) | 1 | 3.83K | 2.23K | by Jan 1993 – Sep 1999 |
| Irby G-13-256480 | Atoka Energy LLC | Gordonville, S. (Penn.) | 1 | 3.65K | 316K | Feb 2010 – Aug 2026 |
| Shelton, Max O-13-18001 | Harper, Wayne | Dorchester (Davis Sand) | 1 | 3.61K | 21 | by Jan 1993 – Apr 2001 |
| Butler, Charles F. O-13-28047 | Peterson Oil and Gas LLC | Southmayd, North (Baker-Viola) | 1 | 3.58K | 9.8K | by Jan 1993 – Oct 2025 |
| Godwin Heirs O-13-2937 | Westbrook Oil & Gas Co. Inc. | Sadler, West (Pennsylvanian) | 6 | 3.53K | 47 | by Jan 1993 – Nov 1996 |
| Coffman-Blocker O-13-21680 | Doolaree Corporation | Sherman (Woodson Zone 8) | 1 | 3.49K | 926 | by Jan 1993 – Nov 1998 |
| Wright, Frank O-13-11110 | Kingery Drilling Co., Inc. | Big Mineral, SE. (E Sand FB V) | 1 | 3.45K | 49K | by Jan 1993 – Mar 1998 |
| Mary O-13-33331 | BKM Production | Perrin, N. Afb (Baker SD) | 1 | 3.43K | 564 | Jan 2015 – Aug 2026 |
| Walker, Perry O-13-19830 | Snuggs Oil Company | Collinsville, SE. (3850 Sand) | 1 | 3.42K | 21 | by Jan 1993 – Apr 1996 |
| Glidwell O-13-34130 | Felderhoff Production Company | Southmayd, North (Baker-Viola) | 1 | 3.35K | 811 | Mar 2022 – Jul 2026 |
| Edmonson et al Unit O-13-27711 | Chevron U. S. A. Inc. | Sherman (Probe Sand) | 1 | 3.32K | 40.4K | by Jan 1993 – Aug 1998 |
| Fain, E. N. O-13-18395 | Harper, Wayne | Dorchester (Davis Sand) | 1 | 3.3K | 21 | by Jan 1993 – Jul 2001 |
| Scarbrough, G. C. O-13-15118 | Brammer Supply, Inc. | Sadler (Penn.) | 4 | 3.24K | 25.6K | by Jan 1993 – Mar 1994 |
| Hudgins, T. M., Unit O-13-14814 | Grayson Petroleum Company | Hudgins, SW. (Oil Creek) | 1 | 3.24K | 5.19K | by Jan 1993 – Jan 1998 |
| Fain, E. (Owre) O-13-25353 | Brammer Supply, Inc. | Dorchester, North (Ord. LS) | 1 | 3.23K | 20 | by Jan 1993 – Sep 2000 |
| Floyd, Lillie O-13-24412 | Grayson Petroleum Company | Collinsville, East (Strawn 3600) | 1 | 3.21K | 17 | by Jan 1993 – Oct 1997 |
| Marilyn O-13-23462 | Samson Lone Star, LLC | Perrin, N. Afb (Cordell Sd.) | 1 | 3.2K | 39.1K | by Jan 1993 – Oct 1995 |
| Burton O-13-19280 | Cope Oil Company | Sherman (Pennsylvanian) | 1 | 3.19K | 53.9K | by Jan 1993 – Aug 1998 |
| Douthat O-13-31295 | Charter Oak Production Co., LLC | Sherman Airport (Baker) | 1 | 3.19K | 0 | May 2005 – Jun 2018 |
| Stiles, A. J.-Strawn 3800 O-13-2791 | Atex Exploration & Operating Co. | Mackoy (Strawn) | 1 | 3.13K | 18 | by Jan 1993 – May 2004 |
| Sweeney, Helen O., Mrs. O-13-2713 | Shell Western E&P Inc. | Big Mineral Creek (U Sand) | 1 | 3.09K | 11.7K | by Jan 1993 – Oct 1993 |
| O'Hanlon, A. B. O-13-20134 | XTO Energy Inc. | Sherman (Davis 9100) | 1 | 3.06K | 15.2K | by Jan 1993 – Oct 1999 |
| Ainsworth, H. P. O-13-14662 | McMurrey, R. J., Production Comp | Railsback (Oil Creek) | 1 | 3.01K | 21 | by Jan 1993 – Feb 1996 |
| Lee O-13-34290 | BKM Production | Pottsboro, South (Cordell 9300) | 1 | 2.95K | 85.9K | Jun 2024 – Aug 2026 |
| Newton O-13-29829 | Felderhoff Production Company | Kincy (Lower Handy Sand) | 1 | 2.91K | 9.41K | May 2000 – Mar 2011 |
| Brown "A" G-13-195127 | Brammer Petroleum, Inc. | Pottsboro, South (V Sand) | 1 | 2.89K | 33.7K | May 2003 – Aug 2026 |
| Hazlip G-13-265385 | Atoka Operating, Inc. | Big Mineral (Oil Creek) | 1 | 2.84K | 1.01M | Nov 2011 – May 2022 |
| Hudgins, John G-13-187397 | Tatanka Operating, LLC | Sherman (7500 Sand) | 1 | 2.77K | 373K | Dec 2001 – Aug 2026 |
| Gunter, Jess-Strawn O-13-2786 | Atex Exploration & Operating Co. | Mackoy (Strawn) | 1 | 2.76K | 21 | by Jan 1993 – Aug 2026 |
| Sarris, I. A. O-13-29621 | Jaco, Troy Inc. | Perrin, N. Afb (Penn. 10,362) | 1 | 2.72K | 4.54K | Feb 1999 – Sep 2000 |
| McAden, E. W. O-13-18788 | Tatanka Operating, LLC | Philpick (6450) | 6 | 2.68K | 11 | by Jan 1993 – Aug 2010 |
| Melton A O-13-33865 | Longfellow Energy, LP | Sherman, East (Penn. 7100) | 1 | 2.67K | 9.63K | Nov 2018 – May 2026 |
| Magnolia Life Insurance Co. O-13-23377 | Silver Creek Oil & Gas, LLC | Sweetgrass (Stapp) | 1 | 2.64K | 14 | Jul 1993 – Sep 2002 |
| McGuire, S. E. G-13-292792 | Little, Quintin Company,inc.,the | Sherman (Pennsylvanian Lower) | 1 | 2.6K | 84.9K | Mar 2022 – Aug 2026 |
| Rising, H. L. et Al G-13-145460 | BKM Production | Sherman (Davis 8400) | 1 | 2.56K | 1.78M | Apr 1993 – Aug 2026 |
| Anderson, Dolly O-13-15287 | Brammer Supply, Inc. | Sadler (Penn.) | 4 | 2.56K | 6.8K | by Jan 1993 – Mar 1994 |
| Beaver Unit O-13-28724 | Felderhoff Production Company | Southmayd, North (Baker-Viola) | 1 | 2.54K | 8 | Feb 1994 – Mar 1995 |
| Darnell O-13-29339 | Felderhoff Production Company | Southmayd, North (Baker-Viola) | 1 | 2.38K | 0 | May 1997 – Dec 2002 |
| Spalding, Jessie O-13-10491 | Grayson Petroleum Company | Gee (Oil Creek, Upper) | 1 | 2.32K | 20 | by Jan 1993 – Mar 1997 |
| Bryant O-13-30147 | Mack Energy Co. | Perrin, N. Afb (Viola) | 1 | 2.26K | 3.82K | Nov 2002 – Nov 2002 |
| Yates "A" O-13-30561 | BKM Production | Perrin, N. Afb (Cordell Sd.) | 1 | 2.25K | 22.6K | Dec 2005 – Jan 2009 |
| Brown O-13-33446 | Silver Creek Oil & Gas, LLC | Sandusky | 1 | 2.22K | 1.42K | Nov 2015 – Apr 2018 |