| Moncrief, Mattie O-7-8049 | Basa Resources, Inc. | East Texas | 66 | 4.04M | 1.83M | Jan 1993 – Jul 2026 |
| King, A. A. -B- O-7-8040 | Basa Resources, Inc. | East Texas | 133 | 2.84M | 1.52M | Jan 1993 – Jul 2026 |
| Akin O-7-6352 | Basa Resources, Inc. | East Texas | 24 | 1.65M | 720K | Jan 1993 – Jul 2026 |
| Sheppard, M. O. O-7-6846 | Basa Resources, Inc. | East Texas | 69 | 1.64M | 743K | Jan 1993 – Jul 2026 |
| Davis, Arch -a- & -B- O-7-8364 | Basa Resources, Inc. | East Texas | 27 | 1.48M | 565K | Jan 1993 – Jul 2026 |
| Fishburn, S. C. O-7-6816 | Basa Resources, Inc. | East Texas | 40 | 1.19M | 559K | Jan 1993 – Jul 2026 |
| Hays O-7-6114 | Basa Resources, Inc. | East Texas | 89 | 1.18M | 698K | Jan 1993 – Jul 2026 |
| Pritchard 100A O-7-7425 | Basa Resources, Inc. | East Texas | 22 | 1.06M | 397K | Jan 1993 – Jul 2026 |
| Satterwhite, M. C. O-7-8258 | Basa Resources, Inc. | East Texas | 18 | 1.06M | 565K | Jan 1993 – Jul 2026 |
| Bolton O-7-6356 | Basa Resources, Inc. | East Texas | 10 | 967K | 349K | Jan 1993 – Jul 2026 |
| Williams, J. R. O-7-8057 | Basa Resources, Inc. | East Texas | 24 | 953K | 439K | Jan 1993 – Jul 2026 |
| Whatley O-7-6407 | Basa Resources, Inc. | East Texas | 8 | 844K | 362K | Jan 1993 – Jul 2026 |
| Wood, Bob O-7-7883 | Northern Pacific Oil Incorporatd | East Texas | 12 | 799K | 215K | Jan 1993 – Jul 2026 |
| Rodden, Bun E. O-7-7602 | Basa Resources, Inc. | East Texas | 12 | 789K | 287K | Jan 1993 – Jul 2026 |
| Whatley, E. M. R/a -B- O-7-7638 | Elms Oil Company | East Texas | 8 | 775K | 277K | Jan 1993 – Jul 2026 |
| Bumpas, C. O-7-6014 | Basa Resources, Inc. | East Texas | 20 | 642K | 308K | Jan 1993 – Jul 2026 |
| Burnside -A- O-7-6074 | Basa Resources, Inc. | East Texas | 37 | 543K | 410K | Jan 1993 – Jul 2026 |
| Harrison -A- O-7-6371 | Basa Resources, Inc. | East Texas | 7 | 511K | 268K | Jan 1993 – Jul 2026 |
| Burnside, W. T. O-7-7941 | Basa Resources, Inc. | East Texas | 32 | 465K | 491K | Jan 1993 – Jul 2026 |
| Haynes, J. M. O-7-8240 | Basa Resources, Inc. | East Texas | 40 | 461K | 330K | Jan 1993 – Jul 2026 |
| Turner O-7-6166 | Elms Oil Company | East Texas | 32 | 405K | 328K | Jan 1993 – Jul 2026 |
| Rodden O-7-6395 | Basa Resources, Inc. | East Texas | 5 | 346K | 148K | Jan 1993 – Jul 2026 |
| Jeter O-7-6376 | Basa Resources, Inc. | East Texas | 6 | 289K | 104K | Jan 1993 – Jul 2026 |
| John Bumpus GU O-6-14529 | Diversified Production LLC | Willow Springs (Travis Peak) | 1 | 268K | 225K | Jul 2005 – Jul 2026 |
| Snavely Heirs O-6-12229 | Faulconer Energy, LLC | Gladewater, E. (Pettit) | 2 | 260K | 225K | Jan 1993 – Jul 2026 |
| Tooke, A. -A- O-7-8269 | Basa Resources, Inc. | East Texas | 10 | 240K | 116K | Jan 1993 – Jul 2026 |
| Tenery O-7-6403 | Basa Resources, Inc. | East Texas | 4 | 239K | 132K | Jan 1993 – Jul 2026 |
| Stephens -D- O-7-6401 | Basa Resources, Inc. | East Texas | 12 | 235K | 149K | Jan 1993 – Jul 2026 |
| Pritchard, Helen -A- O-7-8277 | Linder, John Operating Co., LLC | East Texas | 15 | 232K | 143K | Jan 1993 – Jul 2026 |
| Jones, Golden O-6-13435 | Faulconer Energy, LLC | Willow Springs (Travis Peak) | 1 | 219K | 247K | Jul 1995 – Jul 2026 |
| McGeorge O-7-6130 | Basa Resources, Inc. | East Texas | 8 | 217K | 206K | Jan 1993 – Jul 2026 |
| Jenkins, C. O-7-6021 | Basa Resources, Inc. | East Texas | 7 | 200K | 63.8K | Jan 1993 – Jul 2026 |
| Castleberry, J. J. O-7-8354 | Texaco E & P Inc. | East Texas | 41 | 190K | 88.5K | Jan 1993 – Feb 2004 |
| Lee -B- O-7-6381 | Basa Resources, Inc. | East Texas | 14 | 178K | 72.5K | Jan 1993 – Jul 2026 |
| Bumpus, J. C., Etal O-7-6805 | Chevron U. S. A. Inc. | East Texas | 4 | 174K | 62.2K | Jan 1993 – Jul 2003 |
| Taylor, C. L. O-7-7628 | Basa Resources, Inc. | East Texas | 2 | 171K | 60.8K | Jan 1993 – Jul 2026 |
| Elder, W. W. O-7-7954 | Basa Resources, Inc. | East Texas | 6 | 166K | 124K | Jan 1993 – Jul 2026 |
| Muckelroy, A., et AL O-7-8062 | Stroud Petroleum, Inc. | East Texas | 4 | 158K | 16.7K | Jan 1993 – Jul 2026 |
| Castleberry, A. A. O-7-7505 | Danmark Energy Services, Inc. | East Texas | 14 | 147K | 49.2K | Jan 1993 – Mar 2007 |
| Fisher Oil Unit O-6-12842 | Dorfman Production Company | Willow Springs (Travis Peak) | 1 | 143K | 744K | Jan 1993 – Jul 2026 |
| Skipper-Garner O-7-8717 | Dyersdale Energy, L.P. | East Texas | 2 | 141K | 24.5K | Jan 1993 – Jul 2026 |
| Harris, T. B. O-6-15244 | Diversified Production LLC | Willow Springs (Pettit) | 2 | 134K | 806K | Nov 2013 – Jul 2026 |
| Griffin Ranch OU A O-6-14754 | Sydri Operating, LLC | Danville (TP-CV Cons.) | 1 | 131K | 226K | Feb 2008 – Jul 2026 |
| Stinchcomb, Todd O-6-14204 | Diversified Production LLC | Gladewater, E. (Pettit) | 1 | 130K | 38K | Feb 2003 – Jul 2026 |
| Neal, H. T. O-7-7987 | Basa Resources, Inc. | East Texas | 3 | 129K | 30.4K | Jan 1993 – Jul 2026 |
| Chevron USA O-6-14924 | Harleton Oil & Gas Inc. | Willow Springs (Pettit, Mi.) | 1 | 119K | 0 | Dec 2009 – Jul 2026 |
| McGeorge, Percy O-7-7571 | Basa Resources, Inc. | East Texas | 20 | 119K | 70.6K | Jan 1993 – Jul 2026 |
| Parker, Vivian O-6-14004 | Linder, John Operating Co., LLC | Crews Hill (Pettit) | 1 | 110K | 0 | Jun 1999 – Jul 2026 |
| McLendon-Combest O-6-14018 | Dallas Production Company LLC | Willow Springs (T.peak Trans.) | 3 | 107K | 414K | Apr 2000 – Jul 2026 |
| Norris O-6-12745 | Long Trusts, The | R.C.R. (Pettit -A-) | 2 | 103K | 174K | Jan 1993 – Jul 2026 |