| Cullen, H. R. et Al G-3-128056 | Hilcorp Energy Company only | Columbus (5-F Wilcox) | Colorado | 1 | 1.65K | 73K | by Jan 1993 – May 1995 |
| Richter Unit G-4-140863 | Columbus Energy, LLC only | Aguas Calientes (Lobo 1) | Webb | 1 | 1.65K | 855K | by Jan 1993 – Dec 2006 |
| Rancho Blanco G-4-160920 | Columbus Energy, LLC only | Clark Ranch (Lobo) | Webb | 1 | 1.64K | 929K | Jul 1996 – Aug 2026 |
| Busby G-9-64500 | DLB Oil & Gas Inc. only | Tom Ketchum (Canyon) | Irion | 1 | 1.63K | 357K | Dec 1993 – Aug 2021 |
| Joel O-11-67445 | Bustamante Resources LLC only | Mattie Mae (Canyon Lm.-3RD) | Scurry | 1 | 1.62K | 94 | Oct 1995 – Aug 2026 |
| Hubberd, William "D3" G-4-189990 | Columbus Energy, LLC only | Hubberd (Lobo) | Webb | 1 | 1.57K | 1.09M | Apr 2002 – Aug 2026 |
| Hubberd G-4-195349 | Columbus Energy, LLC only | Hubberd (Lobo) | Webb | 1 | 1.56K | 902K | Mar 2003 – Aug 2016 |
| Moebes, Leona K G-3-164973 | Mosaic Oil LLC only | Columbus (Consolidated) | Colorado | 1 | 1.55K | 34.8K | Aug 1997 – Oct 2016 |
| Forbus Estate Gas Unit G-6-210579 | TGNR East Texas II LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 1.55K | 1.01M | Mar 2005 – Jun 2022 |
| Wofford, Bush O-4-12964 | Apache Corporation only | Agua Dulce (Consolidated Frio) | Nueces | 1 | 1.54K | 22.3K | Oct 2000 – Jun 2001 |
| Hubberd G-4-196616 | Columbus Energy, LLC only | Liz (9200) | Webb | 1 | 1.53K | 1.39M | Apr 2003 – Aug 2026 |
| Columbus Field Unit G-3-41095 | Mitchell Energy Corporation only | Columbus (11-D) | Colorado | 1 | 1.51K | 181K | by Jan 1993 – Jun 2000 |
| Brown Ranch 921 O-8-24511 | Goopco, Inc. only | Bush Knob (Caddo, Lower) | Throckmorton | 1 | 1.51K | 89.6K | by Jan 1993 – Mar 2003 |
| Busey, George G-13-148470 | Felderhoff Production Company only | Boonsville (Bend Congl., Gas) | Wise | 1 | 1.51K | 598K | Dec 1993 – Jul 2026 |
| Valley State 13-132 G-10-256555 | Crescent Energy Operating, LLC only | Bush (Permian) | Reeves | 1 | 1.5K | 815K | Nov 2009 – Jun 2019 |
| Columbus Field Unit G-3-152696 | OXY USA Inc. only | Columbus (10-E Wilcox) | Colorado | 1 | 1.5K | 32.8K | Dec 1994 – Jan 1997 |
| Hubberd G-4-196339 | Columbus Energy, LLC only | Hubberd (Lobo) | Webb | 1 | 1.49K | 621K | Jun 2003 – Aug 2026 |
| Turner Properties - Reed G-9-210279 | Bustamante Oil Company only | Jameson (Strawn) | Coke | 1 | 1.49K | 70.3K | Jun 2005 – Aug 2026 |
| Martinez, D. G-4-69130 | Columbus Energy, LLC only | Laredo (Lobo) | Webb | 1 | 1.48K | 821K | Dec 1993 – Aug 2026 |
| Alexander, Charles G-4-194080 | Columbus Energy, LLC only | Hubberd (Lobo) | Webb | 1 | 1.48K | 723K | Feb 2003 – Feb 2020 |
| Alexander, Charles G-4-169871 | Columbus Energy, LLC only | Bashara-Hereford (7300) | Webb | 1 | 1.47K | 597K | Aug 1998 – Mar 2015 |
| Hubberd G-4-197051 | Columbus Energy, LLC only | Liz (9200) | Webb | 1 | 1.46K | 710K | Aug 2003 – Aug 2026 |
| Bustamante G.u.,bernardo G-4-194486 | Killam Oil Co., Ltd. only | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 1.45K | 952K | Feb 2003 – Oct 2023 |
| Malakoff-Peterson G-4-124134 | Columbus Energy, LLC only | San Idelfonso (Lobo) | Webb | 1 | 1.45K | 1.04M | by Jan 1993 – Aug 2026 |
| McKendrick, W.H. G-4-113018 | Columbus Energy, LLC only | McKendrick (Lobo 7100) | Webb | 1 | 1.43K | 717K | by Jan 1993 – Aug 2026 |
| Holbein-Majors G. U. "A" G-4-175386 | Columbus Energy, LLC only | Thompsonville, NE (Wilcox 9500) | Jim Hogg | 1 | 1.43K | 3.77M | Dec 1999 – Aug 2026 |
| Columbus Field Unit G-3-173531 | Rusk Energy Operating LLC only | Columbus (Consolidated) | Colorado | 1 | 1.41K | 429K | Jun 1999 – Aug 2026 |
| Busby Estate Gas Unit G-6-101216 | TGNR East Texas LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 1.41K | 1.47M | by Jan 1993 – Aug 2026 |
| Schwarz G-4-116625 | Columbus Energy, LLC only | Schwarz (Lobo 6) | Webb | 1 | 1.41K | 979K | by Jan 1993 – Aug 2026 |
| Busby Estate Gas Unit G-6-125478 | TGNR East Texas LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 1.41K | 866K | by Jan 1993 – Oct 2011 |
| Johnson G-4-126826 | Columbus Energy, LLC only | San Idelfonso (Lobo) | Webb | 1 | 1.4K | 881K | by Jan 1993 – Dec 2020 |
| Prevost G-4-185499 | Columbus Energy, LLC only | Volz (Lobo) | Webb | 1 | 1.39K | 250K | Jan 2001 – Sep 2003 |
| Hastedt, Emma G-3-151933 | Quintana Pet. Corp. only | Columbus (10-B Sand) | Colorado | 1 | 1.39K | 32.5K | Nov 1994 – Jul 1995 |
| Hubberd William "C 3" G-4-191666 | Columbus Energy, LLC only | Hubberd (Lobo) | Webb | 1 | 1.38K | 1.59M | Jun 2002 – Aug 2026 |
| McCollum,f. T. & Wiebusch, G. W. O-10-58006 | Zarvona Energy LLC only | Spraberry (Trend Area) | Andrews | 1 | 1.38K | 0 | Oct 2021 – Dec 2023 |
| Buselmeirer, P. R. O-13-17196 | Brammer Petroleum, Inc. only | Sherman | Grayson | 1 | 1.37K | 33 | by Jan 1993 – Oct 1995 |
| Hubberd, William "D3" G-4-189992 | Columbus Energy, LLC only | Hubberd (Lobo) | Webb | 1 | 1.36K | 501K | May 2002 – May 2021 |
| Hubberd G-4-152583 | Columbus Energy, LLC only | Liz (9200) | Webb | 1 | 1.36K | 147K | Jan 1995 – Jan 2006 |
| Sronce et al Gas Unit G-3-113373 | Seguro Well Service, Inc. only | Columbus, South (Wilcox 7360) | Colorado | 1 | 1.36K | 122K | by Jan 1993 – Jul 2000 |
| McKendrick-Akin Unit G-4-166960 | Columbus Energy, LLC only | Acevedo (Lobo 6) | Webb | 1 | 1.35K | 578K | Mar 1997 – Oct 2014 |
| Arco et al Humble Fee Gas Unit G-4-248270 | Columbus Energy, LLC only | Seven Sisters, E. (Reagan B) | Duval | 1 | 1.34K | 1.95M | Feb 2009 – Jun 2018 |
| Ramirez, J. E. "A" G-4-210768 | Columbus Energy, LLC only | Hereford (Lobo) | Webb | 1 | 1.32K | 600K | Feb 2005 – Aug 2026 |
| Bustamante G. U. G-4-197661 | Hilcorp Energy Company only | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 1.32K | 2.82M | Aug 2003 – Aug 2026 |
| Bayou Development G-3-242062 | Columbus Energy, LLC only | Dickinson (Frio Cons.) | Galveston | 1 | 1.32K | 208K | Sep 2006 – Jul 2008 |
| Charles Alexander C G-4-169267 | Columbus Energy, LLC only | Hubberd (Lobo) | Webb | 1 | 1.32K | 808K | Jul 1998 – Aug 2026 |
| Kollman, Charles F. G-3-165760 | Quintana Pet. Corp. only | Columbus, North (9400) | Colorado | 1 | 1.32K | 34.9K | Oct 1997 – Dec 1997 |
| Busby 3080 G-9-170570 | Meadco Properties only | Andrew A. (Canyon) | Irion | 1 | 1.32K | 507K | Sep 1998 – Aug 2016 |
| Johnson G-4-165838 | Columbus Energy, LLC only | San Idelfonso (Lobo) | Webb | 1 | 1.31K | 383K | Jun 1997 – Dec 2015 |
| Toborg, F. E. O-10-15209 | Bustos, Martin Oil only | Toborg | Pecos | 3 | 1.3K | 67 | by Jan 1993 – Jul 2007 |
| Columbus Field Unit G-3-171332 | Rusk Energy Operating LLC only | Columbus (Consolidated) | Colorado | 1 | 1.3K | 496K | Nov 1998 – Nov 2020 |