| Connell "B" O-11-69154 | Three R Oil Company only | Post (Glorieta) | Garza | 2 | 12.9K | 0 | Oct 2007 – Aug 2026 |
| Connell A O-10-53771 | Raptor Petroleum Develop, LLC only | Jordan | Ector | 1 | 12.9K | 43 | Oct 2019 – Nov 2024 |
| Connell "B" O-11-62887 | SSC, Inc. only | Rocker -a-, NW (Glorieta) | Garza | 1 | 12.2K | 21 | by Jan 1993 – Aug 2026 |
| Connell, A.B.-C O-10-53380 | Ctoc Energy, LLC only | Metz (Fusselman) | Ector | 1 | 11.8K | 1.69K | Apr 2020 – Aug 2023 |
| Connell Heirs O-10-56376 | Cross Timbers Energy, LLC only | Jordan (Wichita Albany) | Ector | 1 | 11.4K | 8.88K | Sep 2021 – Mar 2022 |
| Connell 29 O-10-39609 | Raptor Petroleum Develop, LLC only | Jordan | Ector | 1 | 10.1K | 0 | Aug 2009 – Dec 2018 |
| Connell, W. E., NCT-15 O-10-19354 | Texaco E & P Inc. only | Penwell (Glorieta) | Ector | 1 | 9.93K | 23 | by Jan 1993 – Apr 1997 |
| Connell Estate "C" O-10-15282 | Valle Algodon, LLC only | Sand Hills (Judkins) | Crane | 2 | 9.87K | 23.2K | by Jan 1993 – Aug 2026 |
| McConnell O-14-52 | Circle W Oil & Gas Company only | Panhandle Carson County Field | Carson | 5 | 9.75K | 29.6K | by Jan 1993 – Aug 2026 |
| Connell, W. E., Est. -A- O-10-9189 | Winfield Operating Company only | C-Bar (San Andres) | Crane | 1 | 9.57K | 341 | by Jan 1993 – Apr 2026 |
| Connell Estate "B" O-11-14081 | Burk Royalty Co., Ltd. only | Post (Glorieta) | Garza | 1 | 9.31K | 10.5K | by Jan 1993 – Aug 2026 |
| Connell "21" G-10-149593 | Diamondback E&P LLC only | Paul Page (Atoka) | Martin | 1 | 9.29K | 461K | Mar 1994 – Dec 2025 |
| Connell "B" O-11-61811 | Westland Oil Development Corp. only | Greg-John (Strawn) | Garza | 1 | 9.13K | 14.7K | by Jan 1993 – Mar 1998 |
| McConnell O-13-14335 | Great American Resources Inc. only | Jack County Regular | Jack | 2 | 9.08K | 441K | Jun 1993 – Jul 2026 |
| McConnell O-1-3496 | JHC Oil & Gas Inc only | Buchanan | Caldwell | 4 | 8.87K | 42 | by Jan 1993 – Jul 2026 |
| Connell, W. E.-Tract -C- O-10-3086 | Devon Energy Corporation(nevada) only | Jordan (Ellenburger) | Ector | 1 | 8.16K | 29 | by Jan 1993 – Feb 1998 |
| Connell Mgmt B O-10-55346 | Ring Energy, Inc. only | Jordan (Wichita Albany) | Ector | 1 | 7.94K | 0 | Dec 2020 – Nov 2021 |
| Connell "A" O-11-67741 | B & S Salvage only | Arlene (Glorieta) | Garza | 3 | 7.75K | 3.82K | Jun 1997 – Mar 2003 |
| McConnell O-13-29673 | Tree Operating, LLC only | Morris (Consolidated Congl.) | Jack | 1 | 7.66K | 281K | Apr 1999 – Aug 2026 |
| Connell Estate "E" O-11-65250 | Maralo, Inc. only | Polar, North (Ellenburger) | Kent | 2 | 7.31K | 3.29K | by Jan 1993 – Feb 1994 |
| Connell Estate C O-10-55838 | Cross Timbers Energy, LLC only | Jordan, S. (Devonian) | Ector | 1 | 7.05K | 12.5K | Mar 2021 – Mar 2022 |
| Noelke A G-10-203327 | Urban Oil & Gas Group, LLC only | Yucca Butte (Connell) | Terrell | 1 | 6.8K | 379K | Dec 2003 – Feb 2006 |
| Connell, W.E. NCT-5 O-10-64238 | Ctoc Energy, LLC only | Jordan (Fusselman) | Ector | 1 | 6.7K | 13.1K | Sep 2025 – Aug 2026 |
| McConnell Gas Unit O-13-21874 | Stephens & Johnson Operating Co. only | Gordon (Congl.) | Jack | 1 | 6.5K | 55.7K | by Jan 1993 – May 2004 |
| Connell O-11-69462 | RJD Management Co., Inc. only | Post (Glorieta) | Garza | 1 | 6.42K | 5.29K | Dec 2009 – Aug 2026 |
| Connell Estate O-11-66254 | Costilla Energy, Inc. only | Greg-John (Strawn) | Garza | 1 | 6.39K | 57 | by Jan 1993 – Sep 1997 |
| Connell 23 O-10-58213 | Winfield Operating Company only | Jordan (Devonian) | Crane | 1 | 6.34K | 5.26K | Jun 2022 – Sep 2025 |
| McConnell O-14-2982 | Legacy Reserves Operating LP only | Panhandle Carson County Field | Carson | 3 | 6.13K | 133K | by Jan 1993 – May 2006 |
| Connell "C" O-11-69155 | Three R Oil Company only | Post (Glorieta) | Garza | 1 | 6.09K | 0 | Oct 2007 – Aug 2026 |
| Connell Estate O-11-16765 | BBS Oil Field Services Inc only | Justiceburg, NW. (San Andres) | Garza | 3 | 5.85K | 905 | Oct 2005 – Jul 2026 |
| Sie Connelly 8 O-10-44131 | New Atlantis II, LLC only | Ray Albaugh (Wolfcamp) | Mitchell | 1 | 5.83K | 0 | Jul 2013 – Jun 2016 |
| Connell, Heirs O-10-55146 | Cross Timbers Energy, LLC only | Jordan, S. (Devonian) | Ector | 1 | 5.76K | 1.75K | Nov 2020 – Sep 2021 |
| Connell Mgmt A O-10-55397 | Ring Energy, Inc. only | Penwell (Clear Fork) | Ector | 1 | 5.55K | 0 | Aug 2020 – Sep 2022 |
| McConnell, L. C. O-14-278 | Red Line Company, Ltd. only | Panhandle Gray County Field | Gray | 2 | 5.53K | 17.3K | by Jan 1993 – Oct 2019 |
| Connell, W. E. -A- O-10-65213 | Davis Southern Operating Co LLC only | Penwell (Fusselman) | Ector | 1 | 5.11K | 2.55K | Mar 2026 – Jul 2026 |
| Connell -C- O-10-3083 | Citation Oil & Gas Corp. only | Jordan (Ellenburger) | Ector | 2 | 4.83K | 4.29K | by Jan 1993 – May 2008 |
| Johnson 20 State O-10-39783 | Earnest Producing Corporation only | Clarey Connell (Simpson) Sand | Pecos | 2 | 4.6K | 0 | Mar 2009 – May 2017 |
| Connell, W.E. A O-10-58297 | Ctoc Energy, LLC only | Penwell (Clear Fork) | Ector | 1 | 4.45K | 7.69K | Nov 2022 – Dec 2023 |
| Connell "A" O-11-62961 | B & S Salvage only | Rocker -a-, NW (Glorieta) | Garza | 2 | 4.14K | 6 | by Jan 1993 – Jun 1993 |
| McKittrick-McConnell G-13-29118 | Tree Operating, LLC only | Boonsville (Bend Congl., Gas) | Jack | 1 | 4.03K | 289K | by Jan 1993 – Aug 2026 |
| Connell, A.B. 29 O-10-33952 | Texaco E & P Inc. only | Jordan (Wichita Albany) | Ector | 1 | 4K | 1.81K | Sep 1993 – Oct 1993 |
| McConnell Estate O-9-4536 | Reliance Energy, Inc. only | Spraberry (Trend Area) | Reagan | 1 | 3.88K | 99.8K | by Jan 1993 – Apr 2004 |
| McConnell Unit O-13-32474 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 1 | 3.78K | 14.1K | Jul 2012 – Nov 2020 |
| Connell, W. E., Tr. -D- O-10-13973 | Devon Energy Corporation(nevada) only | Metz (Glorietta) | Ector | 1 | 3.55K | 416 | by Jan 1993 – Aug 1995 |
| Connell Unit G-5-15536 | Luminant Mining Company LLC only | Oletha, SW. (Rodessa) | Limestone | 1 | 3.43K | 535K | by Jan 1993 – Sep 2012 |
| Connell "F" O-11-61399 | Kerry Petroleum Company, Inc. only | Rocker -a-, NW. (San Andres) | Garza | 2 | 3.16K | 38 | by Jan 1993 – Oct 2002 |
| Connell, A.B. 29 O-10-33926 | Ctoc Energy, LLC only | Jordan West (Wolfcamp) | Ector | 1 | 3.06K | 579 | Aug 1993 – Sep 1993 |
| McConnell, Afton, -B- O-1-3588 | Eagle Ford Oil Co., Inc. only | Luling-Branyon | Caldwell | 4 | 3.04K | 21 | by Jan 1993 – Oct 2014 |
| Connell, Hattie et Al O-10-30593 | Devon Energy Production Co, L.P. only | C-Bar (Ellenburger) | Crane | 2 | 2.91K | 3.08K | by Jan 1993 – Oct 1993 |
| Connell, W. E. Tr."b" O-10-22936 | Devon Energy Corporation(nevada) only | Jordan (Waddell) | Ector | 1 | 2.67K | 28 | by Jan 1993 – Apr 1995 |