| West Turkey Track G-14-150462 | Plains Exploration & Prod. Co. only | Arrington (Morrow) | Hutchinson | 1 | 3.52K | 139K | Jul 1994 – Apr 2011 |
| Pace O-8-22136 | Scout Energy Management LLC only | Smokey (Ellen.) | Nolan | 2 | 3.51K | 2.26K | Jan 1993 – Aug 1994 |
| Markey #1 G-6-192020 | Sabine Energy Inc. only | Minden (Cotton Valley Cons.) | Rusk | 1 | 3.5K | 563K | Jul 2002 – Apr 2026 |
| Make Believe G-14-216745 | Range Production Company, LLC only | Shreikey (Granite Wash) | Hemphill | 1 | 3.44K | 342K | Jan 2006 – Jan 2011 |
| Larkey G-14-148083 | Presidio Petroleum LLC only | Follett (Morrow) | Lipscomb | 1 | 3.43K | 1.29M | Dec 1993 – Apr 2026 |
| Keystone GU 2 G-6-203807 | Texian Operating Company, LLC only | Pearson (Travis Peak) | Nacogdoches | 1 | 3.42K | 262K | Jun 2004 – Apr 2020 |
| McLendon, J.A. G-6-173670 | Trivium Operating, LLC only | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 3.4K | 172K | Jun 1999 – Feb 2015 |
| Mackey 1-Mackey 2 (SA) G-13-259073 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 3.36K | 2.6M | Sep 2010 – Apr 2026 |
| Larkey Gas Unit "A" G-14-166734 | Presidio Petroleum LLC only | Follett (Morrow) | Lipscomb | 1 | 3.36K | 1.05M | Oct 1997 – Apr 2026 |
| W. L. Mackey GU 1 G-13-258651 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 3.35K | 1.93M | Jul 2010 – Apr 2026 |
| Key, Delores "B" O-11-64974 | Gray, Gordon Operator only | Revilo (Glorieta) | Scurry | 1 | 3.35K | 56 | Jan 1993 – Apr 2026 |
| Castleberry G-6-287276 | Neches Exploration, L.L.C. only | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 3.32K | 183K | Jun 2019 – Apr 2026 |
| Buckeye G-3-57730 | Gaither Petroleum Corporation only | Wilson Creek (Frio 10400) | Matagorda | 1 | 3.29K | 77.2K | Jan 1993 – Feb 2009 |
| Tullos 859 O-9-19230 | TXP, Incorporated only | June Ann (Starkey-Canyon SD) | Irion | 1 | 3.29K | 68.2K | Feb 2016 – Aug 2017 |
| McCoy, Bob -B- G-14-172976 | Sandlot Oil & Gas LLC only | Shreikey (Morrow) | Roberts | 1 | 3.28K | 382K | Feb 1999 – Aug 2011 |
| Bashara, M. J. -F- G-10-32683 | Hilcorp Energy Company only | Keystone (Dev-McKee Cons) | Winkler | 1 | 3.27K | 527K | Jan 1993 – Jun 2025 |
| Hickey, F.S. et Al G-6-172341 | SM Energy Company only | Centennial, E. (Cotton Valley) | Panola | 1 | 3.26K | 427K | Nov 1998 – Nov 2010 |
| Lackey O-1-13882 | Reo Operating LLC only | Dale-McBride | Caldwell | 1 | 3.26K | 3 | Jul 1994 – Sep 2023 |
| Lackey, C.L. "C" O-1-5670 | Origin Production Company, Inc. only | Dale-McBride | Caldwell | 1 | 3.26K | 9 | Jan 1993 – Apr 2026 |
| Keys, Patsy G-6-214826 | Brookston Energy, Inc. only | Carthage, North (Cotton Valley) | Harrison | 1 | 3.19K | 399K | Jun 2005 – Apr 2026 |
| McCleskey O-8-22353 | Pendragon Oil Co. only | Reb (Marble Falls) | Eastland | 3 | 3.16K | 136K | Jan 1993 – Jan 2026 |
| Mackey, W. L. GU 3 G-13-205840 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 3.15K | 1.93M | Nov 2004 – Apr 2026 |
| Lackey -A- O-1-4113 | Meb, LLC only | Dale-McBride | Caldwell | 1 | 3.15K | 21 | Jan 1993 – Mar 2003 |
| Russell, Barbara Etal O-9-15287 | Mextex Operating Company only | Shaheen (Harkey 3500) | Menard | 2 | 3.12K | 0 | Sep 2002 – Dec 2010 |
| Coffee Estate O-14-7003 | Huber, J. M., Corporation only | Shreikey (Granite Wash) | Roberts | 1 | 3.11K | 78K | Dec 1994 – Aug 1997 |
| Markey #2 G-6-203022 | Sabine Oil & Gas Corporation only | Minden (Cotton Valley Cons.) | Rusk | 1 | 3.09K | 729K | Feb 2004 – Feb 2015 |
| Key G-6-145262 | Comstock Oil & Gas, LLC only | Ware (Cotton Valley) | Harrison | 1 | 3.06K | 632K | Apr 1993 – Jul 2017 |
| Castleberry G-6-93294 | Neches Exploration, L.L.C. only | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 3.06K | 784K | Jan 1993 – Jan 2023 |
| Taylor Hanks Unit O-10-36728 | Gruy Petroleum Management Co. only | Keystone (San Andres) | Winkler | 1 | 3.06K | 2.66K | Mar 2001 – Dec 2001 |
| Parkey 'B' O-13-32463 | Carrizo Oil & Gas, Inc. only | Parkey, East (Caddo) | Archer | 1 | 3.05K | 271 | Jun 2012 – Jul 2015 |
| Herndon, Edna J. et al -B- G-14-22004 | Courson Oil & Gas, Inc. only | Ellis Ranch (Keys) | Ochiltree | 1 | 3.04K | 602K | Jan 1993 – Feb 2020 |
| Markey #1 G-6-220433 | Sabine Oil & Gas Corporation only | Minden (Cotton Valley Cons.) | Rusk | 1 | 3.04K | 753K | Mar 2006 – Sep 2023 |
| McCluskey, E. W. O-13-7812 | Akers, B. F. only | Easterly (1900 Sd.) | Young | 1 | 3.03K | 21 | Jan 1993 – Oct 2012 |
| Mackey, W.W. G-6-125780 | Long Trusts, The only | Willow Springs (Cotton Valley) | Gregg | 1 | 3.02K | 480K | Jan 1993 – Mar 2026 |
| Bynum, L. O. O-11-11507 | Neff, Mickey Oil Company Inc. only | Sharon Ridge (1700) | Scurry | 1 | 3.02K | 36 | Jan 1993 – Oct 1997 |
| Askey, W. A. G-13-253069 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 3.02K | 1.79M | Feb 2010 – Apr 2026 |
| Deck O-9-3525 | Keystone Energy Oil & Gas, Inc. only | Spraberry (Trend Area) | Upton | 1 | 3.01K | 74.1K | Jan 1993 – Feb 1995 |
| McCleskey G-8-143711 | Pendragon Oil Co. only | Reb (Marble Falls) | Eastland | 1 | 2.98K | 442K | Jan 1993 – Mar 2026 |
| Rocker-B "20" D O-9-11951 | Keystone Energy Oil & Gas, Inc. only | Spraberry (Trend Area) | Reagan | 1 | 2.97K | 49K | Jan 1993 – Jun 1998 |
| Parsons, I. M. "L" O-8-26883 | Sun-Key Oil Co., Inc. only | Parsons (Gray) | Callahan | 1 | 2.95K | 1.36K | Apr 1993 – Feb 1997 |
| Mackey 2-Young (SA) "A" G-13-267116 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 2.9K | 4.37M | Jan 2012 – Apr 2026 |
| Eagle Flats Land & Cattle Co. UN O-13-30163 | Key Energy of Colorado, Inc. only | Berry (Miss.) | Wilbarger | 1 | 2.89K | 0 | Nov 2002 – Apr 2005 |
| Parkey "MM" O-13-25977 | Pautsky, Jimmy only | Archer County Regular | Archer | 2 | 2.88K | 15 | Jan 1993 – Jul 1997 |
| Keyser "G" O-13-24456 | Western Chief Operating, L.L.C. only | Young County Regular | Young | 1 | 2.87K | 17 | Jan 1993 – Mar 2019 |
| Markey Gas Unit G-6-160239 | TGNR East Texas LLC only | Carthage (Cotton Valley) | Panola | 1 | 2.87K | 1.17M | Sep 1996 – Apr 2026 |
| Rocker B "20B" O-9-11986 | Keystone Energy Oil & Gas, Inc. only | Spraberry (Trend Area) | Reagan | 1 | 2.87K | 47.6K | Jan 1993 – Jan 1998 |
| Parkey "CC" Lease O-13-26106 | Pautsky, Jimmy only | Archer County Regular | Archer | 2 | 2.87K | 12 | Jan 1993 – Sep 1997 |
| Pure Walton O-10-35710 | Bepco, L.P. only | Keystone (Ellenburger) | Winkler | 1 | 2.86K | 9.87K | Dec 1998 – Mar 1999 |
| Jenkins, B.F., Etal O-10-51574 | Hilcorp Energy Company only | Keystone (Dev-McKee Cons) | Winkler | 4 | 2.86K | 7.53K | Mar 2019 – Jul 2022 |
| Keyser, Cap O-13-3386 | 7-Iron Oil & Gas, LLC only | Jack County Regular | Jack | 2 | 2.83K | 12 | Jan 1993 – Nov 2009 |