| McConnell -A- O-14-3052 | Circle W Oil & Gas Company only | Panhandle Carson County Field | — | 12 | 82.5K | 402K | Jan 1993 – Jul 2026 |
| McConnell, R. S. O-14-570 | Exxcel Production Company only | Panhandle Gray County Field | Gray | 12 | 80.2K | 463K | Jan 1993 – Jul 2026 |
| McConnell, J. C., -A- O-14-3457 | Large Operating LLC only | Panhandle Carson County Field | — | 8 | 76.1K | 151K | Jan 1993 – Jul 2026 |
| McConnell, Girtha O-14-137 | Red Line Company, Ltd. only | Panhandle Carson County Field | Carson | 8 | 71.4K | 322K | Jan 1993 – Jul 2026 |
| McConnell, J. C. O-14-6668 | S & W Oil & Gas, LLC only | Panhandle Carson County Field | Carson | 3 | 44.5K | 234K | Jan 1993 – Jul 2026 |
| McConnell O-14-6870 | Dawkins Energies, Inc. only | Panhandle Carson County Field | Carson | 2 | 42.6K | 127K | Jan 1993 – Jul 2026 |
| McKittrick-McConnell O-13-29006 | Cholla Petroleum, Inc. only | Weiler (Marble Falls) | Jack | 7 | 30K | 1.69M | Jul 1995 – Apr 2018 |
| McConnell State 55-1-42 Lov O-10-42073 | Shell Western E&P only | Sandbar (Bone Spring) | Loving | 1 | 29.2K | 529K | Dec 2011 – Nov 2015 |
| McConnell, L. C. O-14-150 | Black's Oil & Gas only | Panhandle Carson County Field | — | 3 | 24.6K | 52.2K | Jan 1993 – Jul 2026 |
| McConnell "2966" O-8-27103 | Petex only | Chaney | Stephens | 1 | 23.9K | 412K | Dec 1993 – Jul 2026 |
| McConnell O-14-360 | Black's Oil & Gas only | Panhandle Gray County Field | Gray | 3 | 23K | 28.9K | Jan 1993 – Jul 2026 |
| Kirby-McConnell O-14-214 | Pantera Energy Company only | Panhandle Gray County Field | — | 6 | 21.6K | 78.8K | Jan 1993 – Jul 2026 |
| McConnell O-14-93 | Bce-Mach III LLC only | Panhandle Carson County Field | Carson | 4 | 16.6K | 110K | Jan 1993 – Jul 2026 |
| McConnell O-13-22034 | Wells Oilfield Services, Inc. only | Jack County Regular | Jack | 2 | 14.9K | 110K | Jan 1993 – Jan 2002 |
| McConnell, L. C. O-14-287 | Large Operating LLC only | Panhandle Gray County Field | Gray | 3 | 14.2K | 140K | Jan 1993 – Jul 2026 |
| McConnell O-14-52 | Circle W Oil & Gas Company only | Panhandle Carson County Field | — | 5 | 9.75K | 29.6K | Jan 1993 – Jul 2026 |
| McConnell O-13-14335 | Jay Management Company, LLC only | Jack County Regular | — | 2 | 9.07K | 439K | Jan 1993 – Jul 2026 |
| McConnell O-1-3496 | JHC Oil & Gas Inc only | Buchanan | — | 4 | 8.87K | 42 | Jan 1993 – Jul 2026 |
| McConnell O-13-29673 | Tree Operating, LLC only | Morris (Consolidated Congl.) | Jack | 1 | 7.65K | 280K | Apr 1999 – Jul 2026 |
| McConnell Gas Unit O-13-21874 | Stephens & Johnson Operating Co. only | Gordon (Congl.) | Jack | 1 | 6.5K | 55.7K | Jan 1993 – Nov 2004 |
| McConnell O-14-2982 | Legacy Reserves Operating LP only | Panhandle Carson County Field | Carson | 3 | 6.13K | 133K | Jan 1993 – Jan 2012 |
| McConnell, L. C. O-14-278 | Red Line Company, Ltd. only | Panhandle Gray County Field | — | 2 | 5.53K | 17.3K | Jan 1993 – Jul 2026 |
| McConnell Estate O-9-4536 | Reliance Energy, Inc. only | Spraberry (Trend Area) | — | 1 | 3.88K | 99.8K | Jan 1993 – Feb 2012 |
| McConnell Unit O-13-32474 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 1 | 3.78K | 14.1K | Jul 2012 – Jan 2024 |
| McConnell, Afton, -B- O-1-3588 | Eagle Ford Oil Co., Inc. only | Luling-Branyon | Caldwell | 4 | 3.04K | 21 | Jan 1993 – Jul 2026 |
| McConnell-Moreland 28 O-8-30108 | Braka Operating, L.L.C. only | Norvell (Conglomerate) | Stephens | 1 | 2.59K | 48.8K | May 2008 – Mar 2015 |
| McConnell, H. H. et Al O-13-23554 | Johnson, William D. only | Pursley (Caddo Lime) | Jack | 1 | 2.31K | 1.24K | Jan 1993 – Feb 2007 |
| McConnell O-13-23155 | Wells Oilfield Services, Inc. only | Bryson, East | Jack | 2 | 2.17K | 29.5K | Jan 1993 – Feb 2002 |
| McConnell, Afton M., A O-1-145 | Eagle Ford Oil Co., Inc. only | Buchanan | — | 4 | 2.15K | 205 | Jan 1993 – Jul 2026 |
| McConnell (Gryphon) O-14-86 | Ponderosa TX Operating LLC only | Panhandle Carson County Field | — | 6 | 2.02K | 26.2K | Jan 1993 – Jul 2026 |
| McConnell O-13-26239 | Republic Energy Inc. only | McConnell | Jack | 2 | 1.87K | 122K | Jan 1993 – Mar 2008 |
| Atkinson-McConnell O-13-23783 | Stephens & Johnson Operating Co. only | Teresa (5065) | Jack | 1 | 1.62K | 53.5K | Jan 1993 – Sep 2004 |
| McConnell O-13-32930 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 1.3K | 42.1K | Apr 2014 – Nov 2024 |
| McConnell "B" O-9-11042 | Reliance Operating Company only | Spraberry (Trend Area) | Reagan | 1 | 1.25K | 39K | Jan 1993 – Nov 1997 |
| McConnell O-13-34333 | Felderhoff Production Company only | Mackoy (Strawn) | Grayson | 1 | 705 | 0 | Aug 2024 – Jul 2026 |
| McConnell "a" (Gryphon) O-14-3392 | M5OEXIT, LLC only | Panhandle Gray County Field | Gray | 3 | 534 | 10.3K | Jan 1993 – Jul 2026 |
| McConnell O-14-4954 | Adobe Operating Company only | Panhandle Carson County Field | Carson | 1 | 366 | 21 | Jan 1993 – Jul 1995 |
| Enserch-McConnell O-8-26194 | Richey, Ray Management Co., Inc. only | Richey (Duffer) | Eastland | 1 | 298 | 20.6K | Jan 1993 – Jan 1999 |
| McConnell "B" O-14-4431 | M5OEXIT, LLC only | Panhandle Gray County Field | Gray | 1 | 16 | 10 | Jan 1993 – Jul 2026 |
| McConnell O-3-18497 | Powerline Energy Corp. only | Aggieland (Woodbine) | Brazos | 1 | 2 | 0 | Jan 1993 – Jul 2026 |
| McConnell G-13-286782 | FX Energy Operating, LLC only | Newark, East (Barnett Shale) | Jack | 1 | 0 | 0 | May 2019 – Feb 2026 |
| McConnell G-13-286766 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 0 | 0 | May 2019 – Feb 2026 |
| McConnell Gas Unit G-13-89762 | Atlas Barnett, LLC only | Migl (5150) | Jack | 1 | 0 | 86.8K | Jan 1993 – Mar 2017 |
| McKittrick-McConnell G-13-283317 | Tree Operating, LLC only | Weiler (Marble Falls) | Jack | 1 | 0 | 25.4K | Aug 2017 – Jul 2026 |
| McKittrick-McConnell G-13-283075 | Cholla Petroleum, Inc. only | Weiler (Marble Falls) | Jack | 1 | 0 | 0 | Apr 2017 – Dec 2017 |
| Atkinson-McConnell Gas Unit G-13-85603 | Oakridge Oil and Gas, LP only | Migl (5150) | Jack | 1 | 0 | 132K | Jan 1993 – Jul 2026 |
| McConnell Estate G-9-163404 | Reliance Energy, Inc. only | Spraberry (Trend Area) | Reagan | 1 | 0 | 13.6K | Jun 1997 – May 2009 |
| McKittrick-McConnell G-13-282826 | Cholla Petroleum, Inc. only | Weiler (Marble Falls) | Jack | 1 | 0 | 0 | Apr 2017 – Dec 2017 |
| McKittrick-McConnell G-13-282825 | Tree Operating, LLC only | Weiler (Marble Falls) | Jack | 1 | 0 | 31.5K | Apr 2017 – Jul 2026 |
| McConnell, H. H. et Al G-13-71720 | Sage Oil and Gas, LLC only | Jacksboro, South (Atoka Congl) | Jack | 1 | 0 | 195K | Jan 1993 – Jul 2026 |