| Johnson G-13-150146 | Burnett Oil Co., Inc. | New Boots (Gunsight Sand, Up.) | 1 | 32 | 1.59K | May 1994 – Apr 1995 |
| Swan G-13-201296 | Blackbrush O & G, LLC | Thalia (Tannehill) | 1 | 27 | 72.8K | Feb 2004 – Apr 2026 |
| Morris G-13-57987 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 93.8K | Jan 2003 – Apr 2026 |
| Matus, J. G-13-60581 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 126K | by Jan 1993 – Apr 2026 |
| Gamble, Bonnie G-13-60582 | Corvette Oil Corporation | Thalia (Cisco) | 1 | 0 | 0 | — |
| Matthews, J. F. Jr. G-13-67236 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 138K | by Jan 1993 – Apr 2026 |
| Matthews, J. F. Jr. G-13-67238 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 140K | by Jan 1993 – Apr 2026 |
| Kuehn G-13-110837 | Mid-Continental Exploration,inc. | Thalia, N. (Canyon) | 1 | 0 | 7 | Mar 1995 – Mar 1995 |
| Matus, J. Jr. G-13-67239 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 232K | by Jan 1993 – Apr 2026 |
| Matus, J. Jr. G-13-67240 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 63.1K | by Jan 1993 – May 2004 |
| Gamble, Bonnie G-13-76065 | Corvette Oil Corporation | Thalia (Cisco) | 1 | 0 | 2.46K | Feb 1995 – Nov 1998 |
| Keuhn & Thompson G-13-83080 | Mid-Continental Exploration,inc. | Thalia (Cisco) | 1 | 0 | 40.7K | Feb 1995 – Mar 2000 |
| Gamble, Bonnie G-13-85017 | Corvette Oil Corporation | Thalia (Wichita Falls) | 1 | 0 | 51.4K | by Jan 1993 – Nov 1998 |
| Coufal, Joe G-13-105537 | Blackbrush O & G, LLC | Thalia (Cisco) | 1 | 0 | 171K | May 1999 – Sep 2020 |
| Johnson, L. K. G-13-138161 | NWG Operating LLC | Gafford (Megargel Sand) | 1 | 0 | 807K | by Jan 1993 – Dec 2020 |
| Matus, John Jr. G-13-135151 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 298K | Mar 1995 – Apr 2026 |
| Matus, J. Estates G-13-111854 | Blackbrush O & G, LLC | Thalia (Cisco) | 1 | 0 | 194K | by Jan 1993 – Apr 2026 |
| Kajs G-13-115032 | Mid-Continental Exploration,inc. | Thalia, N. (Canyon) | 1 | 0 | 2 | Mar 1995 – Mar 1995 |
| Morris "B" G-13-117845 | Palmer Petroleum Inc. | Foard County Regular (Gas) | 1 | 0 | 0 | — |
| Cooper G-13-121419 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 540K | Feb 1995 – Apr 2026 |
| Johnson-Kuehn Trust G-13-121522 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 270K | Feb 1995 – Apr 2026 |
| Kuehn G-13-122288 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 81.6K | Feb 1995 – Apr 2026 |
| Matus, J. Estates G-13-126137 | Blackbrush O & G, LLC | Thalia (Cisco) | 1 | 0 | 94.6K | by Jan 1993 – Apr 2026 |
| Steele G-13-126138 | MB Exploration, LLC | Thalia (Cisco) | 1 | 0 | 0 | — |
| Gamble, Wayne G-13-127793 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 122K | Mar 1995 – Apr 2026 |
| Paige G-13-127873 | Mid-Continental Exploration,inc. | Thalia, N. (Canyon) | 1 | 0 | 31.4K | Nov 1998 – Jul 2000 |
| Lucy G-13-128216 | Stahl Petroleum Co. | Thalia (Wichita Falls) | 1 | 0 | 0 | — |
| Lucy G-13-128217 | Stahl Petroleum Co. | Thalia, N. (Canyon) | 1 | 0 | 0 | — |
| Baldwin G-13-128471 | Stahl Petroleum Co. | Thalia (Wichita Falls) | 1 | 0 | 0 | — |
| Bachman-Woolf-Kuehn Unit G-13-130303 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 286K | Mar 1995 – Apr 2026 |
| Morris "C" G-13-109474 | Blackbrush O & G, LLC | Thalia, N. (Canyon) | 1 | 0 | 15.9K | Jan 2003 – May 2023 |
| Matthews, J. F., Jr G-13-67237 | Corvette Oil Corporation | Thalia (Wichita Falls) | 1 | 0 | 0 | — |
| Johnson, L. K. G-13-138308 | Coda Energy, Inc. | Gafford (Megargel Sand) | 1 | 0 | 0 | — |
| Matus, John Jr. G-13-141278 | Blackbrush O & G, LLC | Foard County Regular (Gas) | 1 | 0 | 177K | Feb 1995 – Apr 2026 |
| Gray G-13-141552 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 384K | Feb 1995 – Apr 2026 |
| Morris G-13-57988 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 122K | Jan 2003 – Apr 2026 |
| Abston G-13-153662 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 80.3K | Apr 1995 – Apr 2026 |
| Mathews, J. F. G-13-157960 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 107K | May 1996 – Apr 2026 |
| Johnson-Hammonds G-13-158370 | Mid-Continental Exploration,inc. | Thalia (Tannehill) | 1 | 0 | 57K | Mar 1996 – Jul 2000 |
| Johnson-Hammonds G-13-160098 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 304K | Sep 1996 – Jan 2024 |
| Hazel G-13-170301 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 81.1K | Dec 1998 – Apr 2026 |
| Durrett G-13-171919 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 242K | Nov 1998 – Apr 2026 |
| Matthews Estate G-13-171920 | Blackbrush O & G, LLC | Thalia (Tannehill) | 1 | 0 | 237K | Nov 1998 – Apr 2026 |
| Kuehn, Ward G-13-172755 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 424K | Jan 1999 – Apr 2026 |
| Gamble G-13-172757 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 233K | Jan 1999 – Apr 2026 |
| Johnson-Kuehn Trust Unit G-13-172759 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 208K | Jan 1999 – Apr 2026 |
| Durrett G-13-172763 | Blackbrush O & G, LLC | Thalia (Wichita Falls) | 1 | 0 | 125K | Jan 1999 – Apr 2026 |
| Kuehn G-13-172765 | Mid-Continental Exploration,inc. | Thalia (Cisco) | 1 | 0 | 42.3K | Jan 1999 – Sep 2000 |
| Matthews Estate G-13-172771 | Mid-Continental Exploration,inc. | Thalia (Cisco) | 1 | 0 | 6.19K | Jan 1999 – Mar 2000 |
| Gamble, Lucy G-13-54405 | Ramsey, Walter E. | Thalia, W. (Canyon) | 1 | 0 | 0 | — |