| McDowell, L. S., -B- O-10-20056 | R H Well Service, Inc. only | McDowell (San Andres) | Glasscock | 4 | 253K | 20 | Jan 1993 – Apr 2026 |
| Murphy McDowell 82-106 a Unit O-10-61661 | Highpeak Energy Holdings, LLC only | Spraberry (Trend Area) | Borden | 1 | 253K | 93.3K | Aug 2024 – Apr 2026 |
| McDowell C 173-174 (Alloc-A) O-9-19943 | Crescent Energy Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 218K | 2.71M | Mar 2018 – Apr 2026 |
| McDowell G-3-278629 | Orx Resources, L.L.C. only | Glasscock (Wilcox 11,600) | Colorado | 1 | 216K | 6.25M | Jan 2014 – Jan 2023 |
| Dowell, Lloyd "A" O-11-17695 | Bam Permian Operating, LLC only | Wasson (Wichita Albany) | Yoakum | 3 | 214K | 77.8K | Jan 1993 – Apr 2026 |
| McDowell G-3-279190 | Orx Resources, L.L.C. only | Glasscock (Wilcox 11,200) | Colorado | 1 | 184K | 5.6M | Oct 2014 – Apr 2026 |
| Murphy McDowell 82-106 B Unit O-10-62376 | Highpeak Energy Holdings, LLC only | Spraberry (Trend Area) | Borden | 1 | 184K | 74.4K | Aug 2024 – Apr 2026 |
| Dowell, Lloyd "C" O-11-17422 | Stanolind Permian LLC only | Wasson (Wichita Albany) | Yoakum | 2 | 170K | 33.6K | Jan 1993 – Apr 2026 |
| Dowell,m.e. O-3-12756 | B D Production Co., Inc. only | Garwood, NW (5630) | Colorado | 6 | 164K | 286K | Jan 1993 – Apr 2026 |
| McDowell O-14-2660 | Momentum Operating Co., Inc. only | Panhandle Hutchinson County Fld. | Hutchinson | 17 | 118K | 1.39M | Jan 1993 – Apr 2026 |
| Dowell, M.E. "A" O-3-18920 | B D Production Co., Inc. only | Garwood, NW (5630) | Colorado | 1 | 100K | 218K | Jan 1993 – Nov 2014 |
| West McDowell O-1-21740 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Atascosa | 5 | 87.8K | 45.9K | Jul 2025 – Apr 2026 |
| McDowell, Bertha Dell Unit O-2-5841 | Beard Oil Company, LLC only | Gabrysch (6300) | Jackson | 4 | 83.9K | 48.5K | Jan 1993 – Apr 2025 |
| McDowell, Bertha Dell O-2-8453 | Beard Oil Company, LLC only | Gabrysch (6200) | Jackson | 1 | 70.9K | 252K | Jun 1999 – Apr 2026 |
| Bertha Dell McDowell Unit O-2-8699 | Beard Oil Company, LLC only | Gabrysch (5650) | Jackson | 1 | 65.8K | 197K | Feb 2002 – Apr 2026 |
| McDowell-Aimone Unit O-2-10573 | Beard Oil Company, LLC only | Gabrysch (6300) | Jackson | 1 | 65.5K | 158K | Jul 2013 – Apr 2026 |
| McDowell Estate O-10-29319 | Occidental Permian Ltd. only | Cobra (Wolfcamp) | Glasscock | 1 | 63.1K | 439K | Jan 1993 – Nov 2004 |
| McDowell O-14-1163 | Burk Royalty Co., Ltd. only | Panhandle Hutchinson County Fld. | Hutchinson | 10 | 41.7K | 505K | Jan 1993 – Jul 2025 |
| McDowell "D" O-14-4813 | Pantera Energy Company only | Panhandle Moore County Field | Moore | 3 | 38.1K | 179K | Jan 1993 – Apr 2026 |
| Rubin-McDowell O-14-1825 | Burk Royalty Co., Ltd. only | Panhandle Hutchinson County Fld. | Hutchinson | 4 | 36.5K | 862K | Jan 1993 – Apr 2026 |
| COP-McDowell O-14-8750 | Momentum Operating Co., Inc. only | Panhandle Hutchinson County Fld. | Hutchinson | 6 | 23.9K | 244K | Oct 2013 – Apr 2026 |
| McDowell, L. S. O-10-18271 | Redwood Oil & Gas only | McDowell (San Andres) | Glasscock | 3 | 18.6K | 14 | Jan 1993 – Nov 1997 |
| McDowell, L. S. Estate O-10-25609 | Cinnabar Operating, LLC only | Deadwood, West (Strawn) | Glasscock | 1 | 18K | 152K | Jan 1993 – Feb 2016 |
| McDowell, E. T. O-1-180 | Trium, Ltd. only | Campana, South | McMullen | 3 | 17.5K | 30 | Jan 1993 – Jan 2003 |
| Costello-Mitchell Unit 3 O-8-27411 | Dowell Oil & Gas only | Palo Pinto County Regular | Palo Pinto | 1 | 14.1K | 95.6K | Dec 1994 – Apr 2026 |
| McDowell, Ellen O-9-4754 | Diamondback E&P LLC only | Spraberry (Trend Area) | Reagan | 2 | 14K | 278K | Jan 1993 – Apr 2026 |
| McDowell Unit O-10-20243 | Redwood Oil & Gas only | McDowell (San Andres) | Glasscock | 1 | 6.63K | 20 | Jan 1993 – Aug 2005 |
| McDowell, Paul G-6-275679 | Valence Operating Company only | Yantis (Heard Zone) | Wood | 1 | 5.15K | 32.2K | Aug 2014 – Apr 2026 |
| State Tract 64 G-2-192554 | Neumin Production Company only | McDowell Point, E. (Frio Q) | Calhoun | 1 | 5.14K | 50.2K | Aug 2002 – Apr 2004 |
| Whitfield O-8-18219 | Dowell Oil & Gas only | Hela (Bond Sand) | Stephens | 1 | 3.88K | 124K | Jan 1993 – Apr 2026 |
| State Tract 64 O-2-8896 | Neumin Production Company only | McDowell Point, E. (Frio Q) | Calhoun | 1 | 3.82K | 46.6K | May 2004 – Feb 2006 |
| McDowell O-5-2758 | GGP Exploration, Ltd. only | Satin | Falls | 3 | 3.75K | 19 | Jan 1993 – Oct 2019 |
| McDowell, Bertha O-2-6689 | Richman Petroleum Corp. only | Gabrysch (5600) | Jackson | 1 | 3.34K | 19 | Jan 1993 – Dec 1995 |
| Dowell,m.e. O-3-27334 | B D Production Co., Inc. only | Garwood, North (D-y Sand) | Colorado | 1 | 3.01K | 2.92K | May 2018 – Aug 2023 |
| Dowell, Luling Unit #6 O-1-3032 | Castillo Oil Company LLC only | Salt Flat | Caldwell | 2 | 2.32K | 4.26K | Jan 1993 – Dec 2020 |
| McDowell, Glenn O-13-26938 | Ipt Oil Company only | Boling (5200) Field | Jack | 1 | 2K | 34.6K | Jan 1993 – Sep 2000 |
| McDowell, Bertha Dell Unit G-2-299779 | Beard Oil Company, LLC only | Gabrysch (6300) | Jackson | 1 | 1.2K | 45.3K | Jun 2025 – Apr 2026 |
| Dowell Gas Unit G-5-248217 | Hilcorp Energy Company only | Teague (CV-Bossier Cons.) | Freestone | 1 | 1.04K | 915K | Sep 2008 – Apr 2026 |
| COP-McDowell -A- O-14-9456 | Momentum Operating Co., Inc. only | Panhandle Hutchinson County Fld. | Hutchinson | 1 | 1.04K | 14.7K | Oct 2017 – Apr 2026 |
| McDowell G-14-25576 | Burk Royalty Co., Ltd. only | Panhandle, West | Moore | 1 | 1.02K | 872K | Jan 1993 – Apr 2026 |
| McDowell G-2-214981 | Proline Energy Resources Inc only | Westhoff (Combined Associated) | Jackson | 1 | 844 | 200K | Oct 2005 – Mar 2022 |
| McDowell Gas Unit O-5-4420 | Valence Operating Company only | Como (Rodessa Hill, Lo.) | Wood | 1 | 837 | 392 | Jan 2020 – Apr 2026 |
| McDowell Estate G-10-206681 | Occidental Permian Ltd. only | Cobra (Wolfcamp) | Glasscock | 1 | 828 | 50K | Dec 2004 – May 2015 |
| McDowell, L. S. -32- O-10-25910 | Cinnabar Operating, LLC only | Deadwood, West (Strawn) | Glasscock | 1 | 759 | 22 | Jan 1993 – Feb 2016 |
| McDowell, H. C., Etux O-14-2006 | Dalf Energy LLC only | Panhandle Carson County Field | Carson | 2 | 743 | 7.98K | Jul 1994 – Aug 1997 |
| McDowell "B" O-14-6395 | Burk Royalty Co., Ltd. only | Panhandle Moore County Field | Moore | 4 | 728 | 40K | Jan 1993 – Mar 1994 |
| McDowell, Emma O-14-1944 | Devon Energy Production Co, L.P. only | Panhandle Moore County Field | Moore | 7 | 689 | 42.4K | Jan 1993 – Dec 2004 |
| McDowell, Paul O-6-15284 | Valence Operating Company only | Yantis (Rodessa) | Wood | 1 | 687 | 1.13K | Feb 2014 – May 2014 |
| McDowell B G-14-150283 | Burk Royalty Co., Ltd. only | Panhandle, West | Moore | 1 | 679 | 180K | Jul 1994 – Apr 2026 |
| McDowell O-13-23184 | Lyon Operating Company Inc.(iii) only | TJN (Strawn) | Jack | 1 | 651 | 60.2K | Jan 1993 – Sep 1999 |