| Urschel, Lester B. G-14-155126 | Mmgl Txph, LLC only | Canadian, SE. (Tonkawa) | Hemphill | 1 | 23.1K | 3.66M | Jun 1995 – Apr 2026 |
| Taylor, Lester G-6-131938 | Valence Operating Company only | Percy Wheeler (Travis Peak) | Cherokee | 1 | 17.7K | 730K | Jan 1993 – Apr 2026 |
| T. D. Lester (AW) G-13-275073 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 15.1K | 1.64M | Jun 2014 – Apr 2026 |
| T. D. Lester (AW) G-13-275148 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 12.3K | 1.03M | Oct 2014 – Apr 2026 |
| Clark, Lester "C" G-8-145280 | Petex only | Tipton (Caddo, Upper) | Stephens | 1 | 10.3K | 265K | Apr 1993 – Apr 2026 |
| Urschel, Lester B. G-14-57347 | Mmgl Txph, LLC only | Canadian, NE (Douglas) | Hemphill | 1 | 10.2K | 1.89M | Jan 1993 – Apr 2026 |
| T. D. Lester (AW) G-13-275149 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 9.26K | 1.11M | Oct 2014 – Apr 2026 |
| Urschel, Lester B. G-14-60743 | Mmgl Txph, LLC only | Canadian, NE (Douglas) | Hemphill | 1 | 9.2K | 1.31M | Jan 1993 – Apr 2026 |
| Lester, J.W. GU G-6-194358 | Diversified Production LLC only | Glenwood (Cotton Valley) | Upshur | 1 | 8.74K | 545K | Mar 2003 – Apr 2026 |
| T. D. Lester (AW) G-13-275146 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 6.36K | 1.32M | Oct 2014 – Apr 2026 |
| Lester, J.W. GU G-6-216863 | Diversified Production LLC only | Glenwood (Cotton Valley) | Upshur | 1 | 5.95K | 648K | Sep 2005 – Apr 2026 |
| Lester, J.W. GU G-6-233712 | Diversified Production LLC only | Glenwood (Cotton Valley) | Upshur | 1 | 5.54K | 453K | Sep 2007 – Apr 2026 |
| T. D. Lester (AW) G-13-275147 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 5.15K | 763K | Oct 2014 – Apr 2026 |
| Urschel, Lester B. G-14-59828 | Mmgl Txph, LLC only | Canadian, NE (Douglas) | Hemphill | 1 | 4.94K | 1.36M | Jan 1993 – Apr 2026 |
| Lester et Al G-6-92522 | Signal Oil Company, LLC only | Glenwood (Cotton Valley) | Upshur | 1 | 4.86K | 437K | Jan 1993 – Apr 2013 |
| Lowrance Unit G-13-186296 | Boss Operating LLC only | Lester (Conglomerate) | Jack | 1 | 4.62K | 2M | Jan 2002 – Apr 2026 |
| Urschel, Lester B. G-14-57329 | Mmgl Txph, LLC only | Canadian, NE (Douglas) | Hemphill | 1 | 4.42K | 1.25M | Jan 1993 – Apr 2026 |
| Urschel, Lester B. G-14-60694 | Blackbeard Operating, LLC only | Canadian, NE (Douglas) | Hemphill | 1 | 3.82K | 1.42M | Jan 1993 – May 2019 |
| Urschel, Lester B. G-14-58485 | Mmgl Txph, LLC only | Canadian, NE (Douglas) | Hemphill | 1 | 3.58K | 1.59M | Jan 1993 – Mar 2016 |
| Clark, Lester G-8-152298 | Petex only | Clark-Holland (Caddo) | Stephens | 1 | 3.36K | 205K | Dec 1994 – Dec 2008 |
| Urschel, Lester B. G-14-57941 | Mmgl Txph, LLC only | Canadian, NE (Douglas) | Hemphill | 1 | 3.01K | 918K | Jan 1993 – Mar 2020 |
| Urschel, Lester B. G-14-57346 | Mmgl Txph, LLC only | Canadian, NE (Douglas) | Hemphill | 1 | 2.78K | 858K | Jan 1993 – Apr 2026 |
| Lester, T. D. Unit G-13-175314 | BKV Barnett, LLC only | Boonsville (Bend Congl., Gas) | Wise | 1 | 2.21K | 508K | Nov 1999 – Oct 2017 |
| Urschel, Lester B. G-14-93467 | Mmgl Txph, LLC only | Canadian, NE (Douglas) | Hemphill | 1 | 2.15K | 685K | Jan 1993 – Jan 2014 |
| Urschel, Lester B. G-14-160537 | Mmgl Txph, LLC only | Canadian, SE. (Tonkawa) | Hemphill | 1 | 1.9K | 868K | Oct 1996 – Apr 2026 |
| Lester OL G-1-260169 | Varas Energy Operating Company, only | A.W.P. (Olmos) | McMullen | 1 | 1.75K | 1.75M | Dec 2010 – Apr 2026 |
| Urschel, Lester B. G-14-55936 | Mmgl Txph, LLC only | Canadian, NE (Douglas) | Hemphill | 1 | 1.54K | 412K | Jan 1993 – Mar 2009 |
| Urschel, Lester B. G-14-55954 | Mmgl Txph, LLC only | Canadian, NE (Douglas) | Hemphill | 1 | 1.35K | 342K | Jan 1993 – Feb 2003 |
| Lester, T. D. Unit G-13-74792 | BKV Barnett, LLC only | Boonsville (Bend Congl., Gas) | Wise | 1 | 1.13K | 227K | Jan 1993 – Feb 2024 |
| Clark, Lester/Kay, Eloise G-8-163918 | McClymond, Inc. only | Eloise Kay (Mississippian) | Stephens | 1 | 1.01K | 2.98K | Jun 1997 – May 1999 |
| Urschel, Lester B. G-14-93020 | Mmgl Txph, LLC only | Canadian, NE (Douglas) | Hemphill | 1 | 827 | 288K | Jan 1993 – Oct 2012 |
| Lester Trust "2" G-10-176600 | Pioneer Natural Res. USA, Inc. only | Azalea (Devonian) | Midland | 1 | 743 | 2.99K | Jan 2000 – Feb 2004 |
| Urschel, Lester B. G-14-59585 | Mmgl Txph, LLC only | Canadian, NE (Douglas) | Hemphill | 1 | 721 | 599K | Jan 1993 – Dec 2024 |
| Urschel, Lester B. G-14-62286 | Mmgl Txph, LLC only | Canadian, NE (Douglas) | Hemphill | 1 | 306 | 676K | Jan 1993 – Apr 2026 |
| Choate G-13-118116 | Smith Pipe of Abilene only | Salt Fork (McLester) | Young | 1 | 300 | 71.6K | Jan 1993 – Feb 2003 |
| Lester "B" G-8-162821 | LKM Oil and Gas LLC only | Moby Dick (Congl) | Parker | 1 | 229 | 378K | Jan 1997 – Mar 2026 |
| Urschel, Lester B. G-14-99585 | Blackbeard Operating, LLC only | Urschel Ranch (Morrow, Upper) | Hemphill | 1 | 209 | 321K | Jan 1993 – Nov 2002 |
| Choate G-13-90518 | Smith Pipe of Abilene only | Salt Fork (McLester) | Young | 1 | 187 | 13.4K | Jan 1993 – Feb 2003 |
| Lester Unit G-8-100398 | Southwest Gas Systems, Inc. only | Bbb&c, BLK.3 (Marble Falls) | Brown | 1 | 174 | 84.7K | Jan 1993 – Apr 2026 |
| W.d.lester Unit NO 2 G-8-131711 | North Ridge Corporation only | Reb (Marble Falls) | Eastland | 1 | 132 | 20.7K | Jan 1993 – Mar 2006 |
| Lester, T. D. G-13-213645 | BKV Barnett, LLC only | Boonsville (Bend Congl., Gas) | Wise | 1 | 108 | 193K | Oct 2005 – Apr 2026 |
| Urschel, Lester B. G-14-60290 | BP America Production Company only | Canadian, NE (Douglas) | Hemphill | 1 | 65 | 68.6K | Jan 1993 – Feb 2001 |
| Urschel, Lester B. G-14-55342 | Midgard Energy Company only | Canadian, NE (Douglas) | Hemphill | 1 | 64 | 18.8K | Jan 1993 – Apr 1995 |
| Lester Unit G-8-112352 | Southwest Gas Systems, Inc. only | Bbb&c, BLK.3 (Marble Falls) | Brown | 1 | 55 | 70.4K | Jan 1993 – Apr 2026 |
| Lester Zappe Gas Unit No. 2 G-2-92360 | Pioneer Natural Res. USA, Inc. only | Hallettsville (7100) | Lavaca | 1 | 31 | 7.01K | Jan 1993 – Apr 1996 |
| Maxwell G-13-228989 | Atoka Operating, Inc. only | Lester (Conglomerate) | Jack | 1 | 12 | 1.69K | Apr 2007 – Mar 2008 |
| Choate G-13-90517 | Smith Pipe of Abilene only | Salt Fork (McLester) | Young | 1 | 8 | 1.21K | Jan 1993 – Aug 1993 |
| Lester "B" G-8-163001 | Westridge Oil & Gas Properties only | Moby Dick (Congl) | Parker | 1 | 3 | 38.1K | Jan 1997 – Nov 2006 |
| Lester G-13-69569 | Richey, Ray Management Co., Inc. only | Boonsville (Bend Congl., Gas) | Wise | 1 | 2 | 52.1K | Jan 1993 – Mar 2009 |
| Lester G-14-174137 | Burk Royalty Co., Ltd. only | Texas Hugoton | Sherman | 1 | 0 | 467K | Jul 1999 – Apr 2026 |