| Roche, K. D. -A- O-2-3469 | Kovar Operating, LLC only | Roche (-C-) | Refugio | 24 | 620K | 1.45M | Jan 1993 – Oct 2019 |
| Clarkson, Edith O-2-1391 | Kovar Operating, LLC only | Refugio Old | Refugio | 2 | 196K | 175K | Jan 1993 – Feb 2015 |
| Machala-Kovar Unit O-3-22091 | Redbud E & P, Inc. only | Giddings (Austin Chalk-3) | Fayette | 1 | 167K | 274K | May 1993 – Apr 2023 |
| Roche, K. D. -A- O-2-3466 | Kovar Operating, LLC only | Roche (-A-) | Refugio | 8 | 166K | 252K | Jan 1993 – Aug 2016 |
| Morgan-Kovar Unit O-3-21502 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 142K | 522K | Jan 1993 – Apr 2020 |
| Champion Int'l. Unit A-1142 G-6-151954 | Kovar Operating, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 81.9K | 450K | Jul 1994 – Oct 1996 |
| Champion Int'l. Unit A-1138 O-6-13407 | Kovar Operating, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 60.1K | 314K | Mar 1995 – Jun 2017 |
| Kovar-Porter Unit O-3-21594 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Burleson | 3 | 53.5K | 750K | Jan 1993 – Jun 2023 |
| Kovar 'A' O-3-26674 | Chesapeake Operating, L.L.C. only | Giddings (Eagleford) | Burleson | 1 | 52.5K | 329K | Nov 2014 – Jan 2018 |
| Roche, K. D. -A- O-2-3468 | Kovar Operating, LLC only | Roche (-B-) | Refugio | 11 | 42.2K | 376K | Jan 1993 – Jan 2016 |
| Kovar 'A' G-3-290535 | Wildfire Energy Operating LLC only | Giddings (Eagleford) | Burleson | 1 | 37K | 320K | Mar 2018 – Mar 2026 |
| Freeman O-2-8395 | Kovar Operating, LLC only | Freeman (Pettus 4700) | Live Oak | 1 | 24.2K | 172K | Jul 1997 – Jan 2017 |
| Champion Int'l. Unit A-608 G-6-157658 | Kovar Operating, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 13.8K | 71.3K | Jan 1996 – Jun 1997 |
| Freeman, C. N. O-2-8716 | Kovar Operating, LLC only | Freeman (Yegua 4900) | Live Oak | 1 | 13K | 57.6K | Dec 2001 – Mar 2010 |
| Jennings G-4-39785 | Kovar Operating, LLC only | Jennings, West (Crockett) | Zapata | 1 | 12.9K | 160K | Jan 1993 – Jan 2012 |
| Freeman, C. N. G-2-197344 | Kovar Operating, LLC only | Freeman (Pettus 4600) | Live Oak | 1 | 9.68K | 289K | Jun 2003 – Jan 2017 |
| Roche, K. D. A O-2-8536 | Kovar Operating, LLC only | Roche (6200) | Refugio | 2 | 8.42K | 80.4K | Apr 2000 – Sep 2016 |
| Kovar O-3-18860 | Geosouthern Energy Corporation only | Giddings (Austin Chalk-3) | Fayette | 1 | 7.78K | 5.39K | Jan 1993 – Aug 2001 |
| Kovar O-3-17853 | Sheridan Production Company, LLC only | Giddings (Austin Chalk-3) | Burleson | 1 | 4.4K | 16.3K | Jan 1993 – Jun 1994 |
| Kovar Porter Unit O-3-25155 | Wildfire Energy Operating LLC only | Giddings (Eagleford) | Burleson | 1 | 3.99K | 3.9K | Apr 2008 – Oct 2023 |
| Jennings, J. D. G-4-162594 | Kovar Operating, LLC only | Jennings, W. (Queen City No. 11) | Zapata | 1 | 3.86K | 632K | Jan 1997 – May 2016 |
| Stepan O-1-6301 | Centex Development only | Kovar (Navarro) | Bastrop | 1 | 2.81K | 93 | Jan 1993 – Jan 2006 |
| Kovar O-3-19852 | Trivista Operating LLC only | Serbin (Taylor Sand) | Lee | 1 | 2.18K | 22.2K | Jan 1993 – Dec 2025 |
| Apache G-4-103699 | Kovar Operating, LLC only | Gold River, North (Olmos) | Webb | 1 | 1.35K | 241K | Jan 1993 – Jul 2011 |
| Apache G-4-102813 | Kovar Operating, LLC only | Gold River, North (Olmos) | Webb | 1 | 980 | 271K | Jan 1993 – Jun 2011 |
| Jennings, J. D. G-4-155632 | Kovar Operating, LLC only | Jennings, West (2000 Sand) | Zapata | 1 | 524 | 26.6K | Sep 1995 – Mar 1999 |
| Roche, K. D. A G-2-148070 | Kovar Operating, LLC only | Roche (6400) | Refugio | 1 | 475 | 501K | Dec 1993 – Apr 2020 |
| Roche, K. D. "A" G-2-177895 | Kovar Operating, LLC only | Roche (6400) | Refugio | 1 | 235 | 211K | Apr 2000 – May 2018 |
| Kovar G-2-182028 | Barrett Brothers Oil & Gas, Inc. only | Marcado Creek, E. (5200) | Victoria | 1 | 113 | 192K | Feb 2001 – Jun 2002 |
| Roche, K. D. A G-2-178397 | Kovar Operating, LLC only | Roche (6400) | Refugio | 1 | 48 | 395K | Apr 2000 – Feb 2019 |
| Briscoe -D- G-4-86793 | Kovar Operating, LLC only | Gold River, North (Olmos) | Webb | 1 | 30 | 40.3K | Jan 1993 – Apr 2012 |
| Briscoe G-4-87351 | Kovar Operating, LLC only | Gold River (Olmos) | Webb | 1 | 14 | 46.5K | Jan 1994 – Sep 2013 |
| Schindler-Kovarek G-2-219483 | Diamond Operating, LLC only | Tiger Bend (Frio 2650) | Lavaca | 1 | 0 | 31.2K | Jan 2006 – May 2009 |
| Roche, K. D. A G-2-184136 | Kovar Operating, LLC only | Roche (6400) | Refugio | 1 | 0 | 66.4K | Mar 2001 – Sep 2015 |
| Roche, K. D. A G-2-184135 | Kovar Operating, LLC only | Roche (6400) | Refugio | 1 | 0 | 89.1K | Mar 2001 – May 2018 |
| Roche, K. D. A G-2-181080 | Kovar Operating, LLC only | Roche (6400) | Refugio | 1 | 0 | 41.7K | Oct 2000 – May 2015 |
| Roche, K. D. A G-2-178923 | Kovar Operating, LLC only | Roche (6400) | Refugio | 1 | 0 | 74.8K | Jul 2000 – May 2018 |
| Roche, K. D. A G-2-158279 | Kovar Operating, LLC only | Roche (6400) | Refugio | 1 | 0 | 30.3K | Mar 1996 – Mar 2016 |
| Kovar O-13-1145 | Ada Exploration only | Megargel (Caddo) | Archer | 1 | 0 | 0 | — |
| Kovar -B- O-13-1146 | Ada Exploration only | Megargel (Caddo) | Archer | 1 | 0 | 0 | — |
| Kovar -B- O-13-13146 | Ada Exploration only | Archer County Regular | Archer | 3 | 0 | 0 | — |
| Jennings, J.D. G-4-217466 | Kovar Operating, LLC only | Jennings, West (Falcon, Lower) | Zapata | 1 | 0 | 0 | — |
| South Kovar 54 O-13-31136 | Cooper Oil & Gas, LLC only | Archer County Regular | Archer | 1 | 0 | 0 | — |
| Jennings, J.D. G-4-218282 | Kovar Operating, LLC only | Jennings, West (Queen City) | Zapata | 1 | 0 | 0 | — |
| Jennings, J. D. G-4-216726 | Kovar Operating, LLC only | Jennings | Zapata | 1 | 0 | 0 | — |
| Jennings, J. D. G-4-154572 | Kovar Operating, LLC only | Jennings, W. (1970) | Zapata | 1 | 0 | 145K | May 1995 – May 1996 |
| Reilly, W. J., Etal O-2-1384 | Kovar Operating, LLC only | Refugio, North | Refugio | 1 | 0 | 0 | — |
| Lambert G-2-4496 | Kovar Operating, LLC only | Tom Oconnor (5300, East) | Refugio | 1 | 0 | 0 | — |
| Jennings, J. D. G-4-38703 | Kovar Operating, LLC only | Jennings, West (Crockett) | Zapata | 1 | 0 | 15.5K | Sep 1993 – Nov 1996 |
| Roche, K.D. -A- G-2-286631 | Kovar Operating, LLC only | Roche (-B-) | Refugio | 1 | 0 | 39.7K | Mar 2019 – Apr 2020 |