| Askey "A" G-13-169433 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 490 | 2.41M | Jun 1998 – Apr 2026 |
| Peavy #19 O-13-26654 | Kroh Operating LLC only | McCluskey (2900 Sand) | Young | 1 | 486 | 3 | Jan 1993 – Nov 2007 |
| Walton, J. B. O-10-25338 | Hilcorp Energy Company only | Keystone (San Andres) | Winkler | 4 | 486 | 565 | Oct 2006 – Mar 2007 |
| Gaskey G-13-210708 | Infinity Oil & Gas of TX, Inc. only | Newark, East (Barnett Shale) | Erath | 1 | 483 | 249K | Feb 2005 – Oct 2009 |
| Barber O-11-62341 | Neff, Mickey Oil Company Inc. only | Sharon Ridge (1700) | Mitchell | 3 | 480 | 10 | Jan 1993 – Dec 1993 |
| Thomas "24" O-11-69803 | Fasken Oil and Ranch, Ltd. only | Key (Spraberry, Upper) | Dawson | 1 | 475 | 91 | Nov 2011 – Jan 2015 |
| Starkey, A. I. G-13-139417 | BKV Barnett, LLC only | Boonsville (Bend Congl., Gas) | Wise | 1 | 475 | 1.11M | Jan 1993 – Apr 2026 |
| Key, Clifton O-13-21249 | Embassy Oil Company only | Embassy (Caddo Lime) | Archer | 1 | 472 | 35 | Jan 1993 – Nov 1997 |
| Weiser, Susanna Key G-6-297854 | Buffco Production Inc. only | Carthage (Travis Peak) | Harrison | 1 | 472 | 1.46K | Sep 2024 – Apr 2026 |
| Dobson G-14-188038 | Crown Petroleum Corp. only | Key (Morrow, Up.) | Wheeler | 1 | 471 | 741 | Jun 2002 – Mar 2007 |
| Campbell-Webb G-14-95955 | Samson Lone Star, LLC only | Key (Morrow, Up.) | Wheeler | 1 | 461 | 1.45M | Jan 1993 – Dec 2010 |
| West Turkey Track G-14-130363 | Latigo Petroleum, Inc. only | Arrington (Morrow) | Hutchinson | 1 | 460 | 83.7K | Jan 1993 – Jun 1995 |
| Cooper "B" O-13-28198 | Cooke & Montague Oper. Co., Inc. only | Mulkey (4700 Caddo) | Jack | 1 | 460 | 28 | Jan 1993 – May 1995 |
| Askey "A" G-13-150390 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 460 | 3.45M | Oct 1994 – Apr 2026 |
| Hickey, F.S. et Al G-6-245810 | Craton Operating LLC only | Centennial, E. (Cotton Valley) | Panola | 1 | 457 | 2.23M | Sep 2008 – Aug 2022 |
| Walton, J. B. G-10-142748 | Hilcorp Energy Company only | Keystone (Ellenburger) | Winkler | 1 | 457 | 8.31M | Nov 1993 – Apr 2026 |
| M. J. Bashara O-10-35774 | Bass Enterprises Production Co. only | Keystone (Devonian) | Winkler | 1 | 451 | 2.72K | Mar 1998 – Sep 1999 |
| Peavy, S. H. "E" O-13-25265 | Kroh Operating LLC only | McCluskey, N. (1850 Sand) | Young | 1 | 446 | 1 | Jul 1994 – Mar 2009 |
| Boles O-6-13664 | Key Energy Services, LLC only | Katyco-Gene (Travis Peak) | Rusk | 2 | 443 | 65 | Mar 1997 – Jul 1997 |
| Key G-6-186675 | Chesapeake Operating, Inc. only | Naconiche Creek (Travis Peak) | Nacogdoches | 1 | 439 | 37.1K | Dec 2001 – Jan 2002 |
| Fain-Parkey -B- O-13-14821 | Taylor Properties only | Archer County Regular | Archer | 12 | 438 | 21 | Jan 1993 – Jul 2002 |
| Arrott, Grace G-9-145922 | Escondido Bay Corporation only | West Bay (Harkey Sand) | Schleicher | 1 | 436 | 610K | Jun 1993 – Mar 2026 |
| Keystone Holt Unit G-10-190699 | Basin Oil & Gas Operating, LLC only | Keystone (Consolidated) | Winkler | 1 | 432 | 267K | Sep 2002 – Jun 2009 |
| Parkey, J. R., -E- /Gulf/ O-13-13029 | Rogers Drilling Co. only | Archer County Regular | Archer | 1 | 412 | 10 | Jan 1993 – Oct 1993 |
| Key, David Etal O-6-12345 | Lodi Drilling & Service Co. only | Woodlawn | Marion | 1 | 411 | 131 | Jan 1993 – Sep 2004 |
| Shannon, M. A. Estate O-11-61010 | Key, J. J. only | Revilo (Glorieta) | Scurry | 4 | 403 | 58 | Jan 1993 – Jan 1998 |
| Mackey G-6-229395 | Sydri Operating, LLC only | Oak Hill (Cotton Valley) | Gregg | 1 | 397 | 174K | May 2007 – Feb 2018 |
| Caskey O-13-19295 | Antle Operating, Inc. only | Young County Regular | Young | 2 | 393 | 7.56K | Jan 1993 – May 1997 |
| Mulkey O-13-14845 | Trio Operating Company, Inc. only | Thrash (Palo Pinto) | Hardeman | 1 | 393 | 142 | Jan 1993 – Oct 1993 |
| Currey "C" G-5-169085 | Valence Operating Company only | Pokey (Travis Peak Lower) | Limestone | 1 | 386 | 77.3K | Apr 1998 – Apr 2011 |
| Wiener Estate Etal G-6-86238 | Key Production Company, Inc. only | Carthage (Cotton Valley) | Panola | 1 | 383 | 77.5K | Jan 1993 – Aug 2004 |
| Parkey, James R., Jr. "C-2" O-13-19456 | Rogers Drilling Co. only | Parkey, Southeast (Caddo) | Archer | 2 | 382 | 21 | Jan 1993 – Aug 1998 |
| Reed, J. V. G-6-16210 | Key Production Company, Inc. only | Joaquin (Jeter) | Shelby | 1 | 380 | 450K | Jan 1993 – Jan 2002 |
| Locke Cattle "15" O-14-7482 | Cordillera Energy Prtnrs Iii,llc only | Shreikey (Brown Dolomite) | Roberts | 1 | 379 | 1.25K | Jan 2004 – Mar 2004 |
| Kiker G-14-96787 | Chesapeake Operating, Inc. only | Key (Morrow, Up.) | Wheeler | 1 | 377 | 711K | Jan 1993 – Nov 2004 |
| Dossey-Redwine O-8-24662 | Sun-Key Oil Co., Inc. only | Eastland County Regular | Eastland | 1 | 374 | 31.1K | Jan 1993 – Jun 2001 |
| Cheaney, A. T. "A" O-9-10899 | Fortune Production Co. only | Cheaney (Harkey) | Schleicher | 1 | 374 | 8.76K | Jan 1993 – Sep 1995 |
| Pogo Walton B G-10-136131 | XTO Energy Inc. only | Keystone (Colby) | Winkler | 1 | 368 | 241K | Jan 1993 – Feb 2000 |
| Williams, Minnie E.-Key O-1-11465 | Aminex USA, Inc. only | Somerset | Bexar | 2 | 363 | 11 | Jan 1993 – Oct 2001 |
| Keystone Mills Gas Unit O-3-21998 | Magnum Producing & Operating Co. only | Conroe, S. (Wilcox 8100) | Montgomery | 1 | 360 | 366 | Jan 1993 – Mar 1993 |
| Birdwell -22- G-14-80305 | Gruhlkey's only | Share (Morrow, Upper) | Ochiltree | 1 | 355 | 32.6K | Sep 1994 – Sep 2024 |
| Britt Ranch G-14-181117 | EOG Resources, Inc. only | Key West (Morrow Upper) | Wheeler | 1 | 354 | 108K | Jul 2000 – Sep 2005 |
| Key O-13-12743 | Campbell, W., Operating only | Archer County Regular | Archer | 3 | 352 | 15 | Jan 1993 – Apr 1997 |
| Markey #2 G-6-205243 | El Paso E & P Company, L. P. only | Henderson, S. (Travis Peak, Up.) | Rusk | 1 | 350 | 70.9K | Apr 2004 – Sep 2004 |
| Lightsey, Earl G-9-299197 | Big Run Production Company only | Lightsey (Harkey) | Concho | 1 | 349 | 8.91K | Jan 2025 – Feb 2026 |
| MY Baby G-14-71198 | Mmgl Txph, LLC only | Shreikey (Morrow) | Roberts | 1 | 348 | 1.01M | Jan 1993 – Jul 2019 |
| Askey "C" G-13-206835 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Wise | 1 | 343 | 974K | Jan 2005 – Feb 2019 |
| Garrett G-6-68780 | Key Production Company, Inc. only | Joaquin (Jeter) | Shelby | 1 | 341 | 393K | Jan 1993 – Jul 2002 |
| Birdwell -22- G-14-114635 | Gruhlkey's only | Hansford (Morrow, Middle) | Ochiltree | 1 | 340 | 56.7K | Sep 1994 – Sep 2024 |
| Askey, W. A. "B" G-13-164100 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 337 | 2.04M | Jun 1997 – Apr 2026 |