| Millis O-13-30927 | Sutherland Energy Co., LLC only | Lupton-McLester | Young | 2 | 13.3K | 0 | Oct 2007 – 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 "A" O-8-25754 | Petex only | Tex-Ann (Mississippian) | Stephens | 1 | 12.2K | 64.9K | Jan 1993 – Jul 2010 |
| Stovall, N. D. -2927- O-13-17510 | Mullins, Manuel only | Wells, SE. (McLester) | Young | 1 | 11.1K | 119 | Jan 1993 – Jan 2003 |
| Lester O-10-21667 | Hallwood Petroleum, Inc. only | Sulphur Draw (Dean 8790) | Martin | 1 | 10.6K | 34.5K | Jan 1993 – Dec 1999 |
| 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 |
| Molloy, U. A. O-13-28334 | Devon Energy Production Co, L.P. only | Lester-Rawle (Strawn 4200) | Wise | 2 | 9.64K | 164K | Jan 1993 – Sep 2006 |
| 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 |
| Lester Smith Unit O-13-29097 | Herring, Ray only | Street (Caddo) | Jack | 1 | 8.34K | 37.1K | Feb 1996 – Jan 1999 |
| Clark, Lester/Kay, Eloise O-8-25960 | Tex-Ann Oil & Gas Services, Inc. only | Eloise Kay (Mississippian) | Stephens | 1 | 8.1K | 16.7K | Jan 1993 – May 1997 |
| Clark, Lester O-8-26671 | Tex-Ann Oil & Gas Services, Inc. only | Tex-Ann (Mississippian) | Stephens | 1 | 8.04K | 63.6K | Jan 1993 – Dec 1994 |
| Jetton, Lester O-1-6940 | Genie Oil Company only | Chicon Lake | Medina | 6 | 8.03K | 20 | Jan 1993 – Apr 2026 |
| Clark, Lester O-8-20868 | Carrland Oil & Gas Inc. only | Ivadell (Miss) | Stephens | 1 | 7.87K | 54 | Jan 1993 – Apr 1999 |
| McAlester-Sugg "70" O-9-9907 | Triple Crown Resources, LLC only | Andrew A. (Canyon) | Irion | 1 | 7.72K | 159K | Oct 1994 – Apr 2020 |
| Clark, Lester "C" O-8-25769 | McClymond, Inc. only | Eloise Kay (Marble Falls) | Stephens | 1 | 7.64K | 25.7K | Jan 1993 – May 1997 |
| Hardin, C. E. O-13-24745 | Greco Operating, LLC only | Stovall (McLester) | Young | 1 | 6.84K | 6.03K | Jan 1993 – Mar 2024 |
| 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 Trust "2" O-10-37336 | Pioneer Natural Res. USA, Inc. only | Desperado (Atoka) | Midland | 1 | 6.34K | 77.6K | Feb 2004 – Dec 2015 |
| Clark, Lester "A" O-8-25729 | McClymond, Inc. only | Lester Clark (Marble Falls Cong) | Stephens | 1 | 6.23K | 49.7K | Jan 1993 – Dec 1995 |
| Lester, J.W. GU G-6-216863 | Diversified Production LLC only | Glenwood (Cotton Valley) | Upshur | 1 | 5.95K | 648K | Sep 2005 – Apr 2026 |
| Hart, McAlester O-10-7827 | Bustos, Martin Oil only | Wentz (Clear Fork) | Pecos | 1 | 5.73K | 21 | Jan 1993 – May 1998 |
| Lester, J.W. GU G-6-233712 | Diversified Production LLC only | Glenwood (Cotton Valley) | Upshur | 1 | 5.54K | 453K | Sep 2007 – Apr 2026 |
| Turtle Hole O-13-25491 | Grahamsource Corp. only | Lupton-McLester | Young | 1 | 5.34K | 205K | Jan 1993 – Apr 2026 |
| Clark, Lester/Kay, Eloise O-8-28618 | Petex only | Eloise Kay (Mississippian) | Stephens | 1 | 5.16K | 26.6K | Jun 1999 – Jul 2010 |
| 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 |
| Oliver O-13-25968 | Wells Oilfield Services, Inc. only | Brickhouse (McLester) | Young | 1 | 3.69K | 1.35K | Jan 1993 – Jan 2017 |
| 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. O-14-6351 | Mobil Producing TX. & N.M. Inc. only | Canadian, SE. (Tonkawa) | Hemphill | 1 | 2.89K | 212K | Jan 1993 – Sep 1996 |
| Evans,lester J. & Lettie B. O-1-6427 | Texas Secondary Oil Corporation only | Taylor-Ina | Medina | 3 | 2.88K | 21 | Jan 1993 – Apr 2026 |
| Urschel, Lester B. G-14-57346 | Mmgl Txph, LLC only | Canadian, NE (Douglas) | Hemphill | 1 | 2.78K | 858K | Jan 1993 – Apr 2026 |
| McClelland O-13-29458 | Pittman Operating Company only | Lester | Jack | 1 | 2.62K | 0 | Jan 1998 – Jan 2000 |
| Deats, Agnes O-13-28886 | Hill, R.M. Operating Inc. only | Lupton-McLester | Young | 1 | 2.44K | 30 | Dec 1994 – Jul 1997 |
| Marion Green Unit O-13-32692 | Texxol Operating Company, Inc. only | Lester-Rawle (Strawn 4200) | Wise | 1 | 2.33K | 0 | Jan 2013 – Feb 2016 |
| Carter, Lester "A" O-13-30509 | Silver Creek Oil & Gas, LLC only | Lost Valley (Caddo) | Jack | 1 | 2.28K | 62.1K | Oct 2005 – Apr 2012 |
| Tatum, Lester O-3-12557 | Union Pacific Resources Company only | Caldwell (Austin Chalk) | Burleson | 3 | 2.24K | 23.8K | Jan 1993 – May 1995 |
| Lester, T. D. Unit G-13-175314 | BKV Barnett, LLC only | Boonsville (Bend Congl., Gas) | Wise | 1 | 2.21K | 508K | Nov 1999 – Oct 2017 |
| Clark, Lester "E" O-8-25666 | Tex-Ann Oil & Gas Services, Inc. only | Lester Clark (Caddo) | Stephens | 1 | 2.2K | 6.51K | Jan 1993 – Jan 1996 |
| Urschel, Lester B. G-14-93467 | Mmgl Txph, LLC only | Canadian, NE (Douglas) | Hemphill | 1 | 2.15K | 685K | Jan 1993 – Jan 2014 |
| Lester, S.R. O-1-6279 | Wilson, Billy R. only | Pilgrim (Austin Chalk) | Gonzales | 2 | 1.91K | 56 | Jan 1993 – Jun 1995 |
| Urschel, Lester B. G-14-160537 | Mmgl Txph, LLC only | Canadian, SE. (Tonkawa) | Hemphill | 1 | 1.9K | 868K | Oct 1996 – Apr 2026 |