| Leachman-Lockhart Unit G-3-146975 | Redbud E & P, Inc. only | Clay, NE (Austin Chalk 11350) | Burleson | 1 | 80.9K | 1.87M | Sep 1993 – Feb 2022 |
| Lockhart -27- G-14-150162 | Unbridled Resources, LLC only | Humphreys, N.W. (Morrow Upper) | Hemphill | 1 | 37.3K | 4.23M | May 1994 – Jun 2016 |
| Lockhart Gas Unit G-4-156931 | Dewbre Petroleum Corporation only | Weslaco, North (Frio Cons.) | Hidalgo | 1 | 22.9K | 2.18M | Jan 1996 – Apr 2026 |
| Lockhart, J.H., et Al G-5-127192 | Triad Energy Corporation only | Salt Break (Smackover) | Navarro | 1 | 17.9K | 272K | Jan 1993 – Oct 1994 |
| Lockhart Gas Unit G-4-187690 | Dewbre Petroleum Corporation only | Weslaco, North (Frio Cons.) | Hidalgo | 1 | 16.4K | 380K | Feb 2002 – Apr 2026 |
| Lockhart Gas Unit G-4-134214 | Dewbre Petroleum Corporation only | Weslaco, North (Frio Cons.) | Hidalgo | 1 | 15.9K | 2.34M | Jan 1993 – Apr 2026 |
| Lockhart Gas Unit G-4-175385 | Dewbre Petroleum Corporation only | Weslaco, North (Frio Cons.) | Hidalgo | 1 | 10.7K | 453K | Dec 1999 – Apr 2026 |
| Lockhart, P.A., Jr. Heirs "Mit" G-8-204734 | Antle Operating, Inc. only | Woods (Conglomerate) | Palo Pinto | 1 | 9.01K | 310K | Oct 2004 – Apr 2026 |
| McLean, Marrs G-4-209967 | White Stride LLC only | Lockhart (P-1, South) | Starr | 1 | 8.29K | 516K | May 2005 – Mar 2026 |
| Zarsky G-4-48645 | L & B Oil and Gas Equipment, LLC only | Lockhart (Cockfield 4, FB A) | Starr | 1 | 6.35K | 450K | Jan 1993 – Mar 2015 |
| McLean, Marrs G-4-199154 | White Stride LLC only | Lockhart (Pettus, Gas) | Starr | 1 | 6.23K | 285K | Sep 2003 – Mar 2026 |
| Lockhart 36 G-14-221266 | Presidio Petroleum LLC only | Big Timber Creek (Cherokee) | Hemphill | 1 | 5.61K | 41.6K | Aug 2006 – Feb 2014 |
| Lockhart G-14-95811 | Continental Trend Resources, Inc only | Feldman (Tonkawa) | Hemphill | 1 | 4.98K | 111K | Jan 1993 – Dec 2009 |
| Lockhart -19- G-14-150090 | Chesapeake Operating, Inc. only | Humphreys (Morrow, Upper) | Hemphill | 1 | 4K | 344K | May 1994 – Feb 2009 |
| Marrs McLean G-4-172985 | Opex Energy, LLC only | Lockhart (Cockfield 4) | Starr | 1 | 2.54K | 373K | May 1999 – Dec 2003 |
| Lockhart G-6-223215 | Sabine Energy Inc. only | Hallsville, NE (Cotton Valley) | Harrison | 1 | 2.04K | 345K | Nov 2006 – Apr 2026 |
| Lockhart Gas Unit G-4-172283 | Dewbre Petroleum Corporation only | Weslaco, North (Frio Cons.) | Hidalgo | 1 | 1.73K | 880K | Feb 1999 – Mar 2005 |
| Lockhart G-6-236018 | Sabine Energy Inc. only | Hallsville, NE (Cotton Valley) | Harrison | 1 | 1.56K | 358K | Apr 2008 – Mar 2026 |
| Lockhart, Elizabeth G-14-22066 | Bce-Mach II LLC only | Feldman (Tonkawa) | Hemphill | 1 | 1.55K | 343K | Jan 1993 – Apr 2026 |
| Lockhart, P. A. Jr. Heirs G-8-204661 | Antle Operating, Inc. only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 1.45K | 328K | Oct 2004 – Apr 2026 |
| Lockhart Bank Unit No. 1 G-3-141806 | Sheridan Energy,inc. only | Alvin, South (#48) | Brazoria | 1 | 1.26K | 624K | Jan 1993 – Oct 1997 |
| Garza, D.L. -A- G-4-58433 | Jilpetco, Inc. only | Lockhart (4000) | Starr | 1 | 980 | 39.4K | Jan 1993 – Dec 1995 |
| Lockhart Bank Unit 1 G-3-205354 | Hockley Energy, Inc. only | Alvin, South (#35) | Brazoria | 1 | 894 | 149K | Oct 2004 – Dec 2011 |
| Lockhart Bank Unit 1 G-3-193445 | Hockley Energy, Inc. only | Alvin, South (#38) | Brazoria | 1 | 788 | 226K | Feb 2003 – Dec 2007 |
| Lockhart Bank Unit No. 1 G-3-4955 | Calpine Natural Gas L.P. only | Alvin, South (#46) | Brazoria | 1 | 565 | 608K | Jan 1993 – May 2002 |
| Lockhart 56 G-14-204459 | EOG Resources, Inc. only | Feldman (Basal Tonkawa) | Hemphill | 1 | 553 | 3.18K | Jun 2004 – Jul 2005 |
| Herrmann G-4-284803 | Cimarron Engineering, LLC only | Agua Dulce (Lockhart) | Nueces | 1 | 504 | 24.1K | Apr 2018 – Sep 2019 |
| Lockhart -33- G-14-97687 | Great Horned Owls Pulsatrix, LLC only | Coburn Lower (Lower Morrow) | Lipscomb | 1 | 388 | 759K | Jan 1993 – Jan 2026 |
| Lockhart Bank Unit 1 G-3-169078 | Calpine Natural Gas Company only | Alvin, South (#38) | Brazoria | 1 | 310 | 796K | Apr 1998 – Jul 2001 |
| Lockhart 57 G-14-204458 | Unbridled Resources, LLC only | Feldman (Tonkawa) | Hemphill | 1 | 143 | 104K | Mar 2004 – Aug 2017 |
| Lockhart 10 G-14-272661 | Upland Resources LLC only | Feldman (Atoka) | Hemphill | 1 | 138 | 3.73K | Jan 2014 – May 2015 |
| Lockhart Bank Unit 1 G-3-192749 | Cornerstone Energy, Inc. only | Alvin, South (#37) | Brazoria | 1 | 79 | 88.5K | Sep 2001 – Sep 2004 |
| Lockhart "A" G-8-212630 | Antle Operating, Inc. only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 48 | 35K | Feb 2006 – Nov 2021 |
| Lockhart G-10-248921 | Winn Operating, LLC only | Three Bar (Yates) | Andrews | 1 | 48 | 248K | Apr 2009 – Apr 2026 |
| Marrs-McLean G-4-44528 | Continental Operating Co. only | Lockhart (Cockfield #2) | Starr | 1 | 33 | 77.8K | Jan 1993 – Feb 2003 |
| Lockhart 10 G-14-217249 | Apache Corporation only | Higgins, W. (Morrow Lower) | Hemphill | 1 | 30 | 82.8K | May 2006 – Dec 2012 |
| Lockhart Gas Unit G-4-14983 | Dewbre Petroleum Corporation only | Weslaco, North (Frio Cons.) | Hidalgo | 1 | 8 | 15K | Jan 1993 – Mar 1994 |
| Lockhart 56 G-14-241225 | Upland Resources LLC only | Higgins, W. (Morrow Lower) | Hemphill | 1 | 7 | 1.16K | Sep 2006 – Jul 2018 |
| Garza, D. L. G-4-136720 | Jilpetco, Inc. only | Lockhart (Yegua F Seg. 4) | Starr | 1 | 6 | 26.9K | Jan 1993 – Oct 2003 |
| Lockhart & Brown 14 G-10-226847 | Bce-Mach III LLC only | Fuhrman-Mascho (Yates) | Andrews | 1 | 2 | 43.6K | Sep 2006 – Feb 2020 |
| Guerra, H. P., et Al G-4-45455 | Ress Production Co. only | Lockhart (3700) | Starr | 1 | 0 | 0 | — |
| Guerra, H. P., et Al G-4-43304 | Ress Production Co. only | Lockhart (3500) | Starr | 1 | 0 | 0 | — |
| Austin, Carlos A. G-4-218687 | L & B Oil and Gas Equipment, LLC only | Lockhart (Cockfield #2) | Starr | 1 | 0 | 9.26K | Mar 2006 – Dec 2006 |
| McLean, Marrs G-4-219773 | Continental Operating Co. only | Lockhart (Yegua F Seg 2) | Starr | 1 | 0 | 48.4K | Jun 2006 – Jun 2016 |
| Flockhart, A. C. G-6-16748 | Dunn, Charles David only | Tennessee Colony (Rod., Lo.) | Anderson | 1 | 0 | 0 | — |
| Lockhart Gas Unit G-4-14970 | Dewbre Petroleum Corporation only | Weslaco, North (Frio Cons.) | Hidalgo | 1 | 0 | 30K | Feb 1997 – Sep 1998 |
| Garza, D. L. "A" G-4-11306 | Cummins & Walker Oil Co., Inc. only | Lockhart (4000) | Starr | 1 | 0 | 0 | — |
| McLean, Marrs G-4-11305 | Ceniza Petroleum, Inc. only | Lockhart (Cockfield #2) | Starr | 1 | 0 | 0 | — |
| McLean, Marrs G-4-11304 | Ceniza Petroleum, Inc. only | Lockhart (Pettus, Gas) | Starr | 1 | 0 | 0 | — |
| Lockhart, P. A. Jr. Heirs G-8-209199 | Antle Operating, Inc. only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 0 | 115K | May 2005 – Apr 2026 |