| Maralo-Connell O-11-66448 | Goodie Interests only | Ida Sue (Strawn) | Garza | 2 | 93.2K | 40K | by Jan 1993 – Dec 2024 |
| Connell, W. E. NCT-7 O-10-47729 | Ctoc Energy, LLC only | Penwell (Glorieta) | Ector | 1 | 92.3K | 32.7K | Jul 2015 – Aug 2026 |
| Connell "C" O-11-61845 | Marwell Petroleum Ltd Partnrship only | Greg-John (Strawn) | Garza | 1 | 87.3K | 18.4K | by Jan 1993 – Aug 2026 |
| Connell, A.B. O-10-32674 | Olsen Energy Inc. only | Jordan (Devonian) | Crane | 1 | 87K | 6.62K | by Jan 1993 – Jun 2025 |
| McConnell -A- O-14-3052 | Circle W Oil & Gas Company only | Panhandle Carson County Field | Carson | 12 | 83K | 403K | by Jan 1993 – Aug 2026 |
| Connell Sec 03 O-10-55386 | Ring Energy, Inc. only | Penwell (Clear Fork) | Ector | 1 | 80.7K | 69.1K | Aug 2020 – Aug 2026 |
| McConnell, R. S. O-14-570 | Exxcel Production Company only | Panhandle Gray County Field | Gray | 12 | 80.3K | 463K | by Jan 1993 – Aug 2026 |
| Connell Estate "B" O-9-10903 | Bustamante Resources LLC only | Spraberry (Trend Area) | Upton | 4 | 80.3K | 428K | by Jan 1993 – Aug 2026 |
| Connell "B" O-11-63019 | SSC, Inc. only | Rocker -a-, NW. (San Andres) | Garza | 4 | 79.5K | 5.76K | by Jan 1993 – Aug 2026 |
| Connell Sec 10 O-10-55448 | Ring Energy, Inc. only | Penwell (Clear Fork) | Ector | 1 | 78.7K | 43.8K | Aug 2020 – Jul 2026 |
| Connell, W. E. -B- O-10-3079 | Siana Oil & Gas only | Jordan (Ellenburger) | Ector | 3 | 78K | 87.5K | by Jan 1993 – Feb 2018 |
| McConnell, J. C., -A- O-14-3457 | Large Operating LLC only | Panhandle Carson County Field | Carson | 8 | 76.2K | 151K | by Jan 1993 – Jul 2026 |
| Connell, W. E. NCT-3 O-10-27610 | Ctoc Energy, LLC only | Jordan (Wolfcamp) | Ector | 5 | 74.7K | 133K | Sep 2001 – Oct 2014 |
| Connell O-11-63017 | Coyote Oil, Inc. only | Polar (Penn.) | Kent | 3 | 74.2K | 20 | by Jan 1993 – Aug 2026 |
| Texas "AA" O-10-33104 | Merit Energy Company only | Fullerton (Connell) | Andrews | 1 | 73.8K | 25K | by Jan 1993 – Sep 1998 |
| Connell "A" O-11-18560 | SSC, Inc. only | Rocker -a-, NW. (San Andres) | Garza | 5 | 72.5K | 21 | by Jan 1993 – Aug 2026 |
| Connell, W.E. NCT-1 O-10-58185 | Ctoc Energy, LLC only | Penwell (Clear Fork) | Ector | 2 | 72.5K | 49.1K | Sep 2022 – Aug 2026 |
| McConnell, Girtha O-14-137 | Red Line Company, Ltd. only | Panhandle Carson County Field | Carson | 8 | 71.7K | 322K | by Jan 1993 – Aug 2026 |
| Connell O-11-66472 | Patterson Petroleum LP only | Rocker -a-, NW. (Strawn) | Garza | 4 | 70.4K | 24.1K | by Jan 1993 – Apr 2001 |
| Connell, Arlene O-11-13259 | B & S Salvage only | Arlene (Glorieta) | Garza | 7 | 66.9K | 2.44K | by Jan 1993 – Aug 2026 |
| Connell, W. E. -C- O-10-4861 | Citation Oil & Gas Corp. only | Penwell (Clear Fork) | Ector | 1 | 65.2K | 48.8K | by Jan 1993 – Aug 2026 |
| Connell Estate "7" O-11-63652 | Chaparral Energy, L.L.C. only | Tufbow (Strawn) | Garza | 1 | 63.4K | 24 | by Jan 1993 – Oct 2009 |
| Lea, P.J. et Al O-10-10964 | Ring Energy, Inc. only | Lea, South (Connell) | Crane | 2 | 61.9K | 106K | by Jan 1993 – Aug 2026 |
| Barnsley, T. C. O-10-3445 | Olsen Energy Inc. only | Lea (Connell) | Crane | 1 | 60.9K | 526K | by Jan 1993 – Feb 2015 |
| Connell -C- O-10-8470 | Winfield Operating Company only | C-Bar (San Andres) | Crane | 4 | 56.4K | 21 | by Jan 1993 – Aug 2026 |
| Connell "D" O-11-61065 | SSC, Inc. only | Rocker -a-, NW. (San Andres) | Garza | 4 | 54.8K | 21 | by Jan 1993 – Dec 2024 |
| Connell, Hattie et Al O-10-56766 | Ring Energy, Inc. only | Sand Hills (Wolfcamp) | Crane | 1 | 53K | 35.2K | Jan 2022 – Aug 2026 |
| McCrary-Connell "B" O-11-14130 | Stelzer Drilling Co. Inc. only | Post (Glorieta) | Garza | 5 | 52K | 20 | by Jan 1993 – Aug 2026 |
| Connell "C" O-11-66129 | Powell Properties, Inc. only | Rocker -a-, Nw.(san Andres, NW.) | Garza | 1 | 51.8K | 963 | by Jan 1993 – Aug 2026 |
| McCrary-Connell "E" O-11-15126 | Stelzer Drilling Co. Inc. only | Post (Glorieta) | Garza | 3 | 51.7K | 20 | by Jan 1993 – Aug 2026 |
| Smith O-10-22532 | Bustamante Oil Company only | Sheffield Townsite (Connell) | Pecos | 1 | 51.1K | 1.04K | by Jan 1993 – Aug 2026 |
| Connell "B" O-9-4414 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Upton | 4 | 49.9K | 433K | by Jan 1993 – Oct 2017 |
| Connell, W. E. NCT-8 O-10-33219 | Ctoc Energy, LLC only | Jordan (Tubb) | Ector | 1 | 48.4K | 41.3K | by Jan 1993 – Aug 2026 |
| Connell, Hattie et Al O-10-32640 | Ring Energy, Inc. only | C-Bar (Connell) | Crane | 2 | 48.1K | 100K | by Jan 1993 – Jun 1997 |
| Connell O-11-70155 | D & D Well Service, L.L.C. only | Greg-John (Miss.) | Garza | 1 | 47.2K | 17.5K | Oct 2013 – Aug 2026 |
| Connell "16" O-10-35444 | Seven Loaves Energy LLC only | C-Bar, West (Glorieta) | Crane | 1 | 46.1K | 0 | Aug 1997 – Aug 2026 |
| Connell, W. E., Est. -C- O-10-553 | Momentum Energy Corporation only | C-Bar (San Andres) | Crane | 4 | 46.1K | 22 | by Jan 1993 – Aug 2026 |
| McConnell, J. C. O-14-6668 | S & W Oil & Gas, LLC only | Panhandle Carson County Field | Carson | 3 | 44.8K | 235K | by Jan 1993 – Aug 2026 |
| McConnell O-14-6870 | Dawkins Energies, Inc. only | Panhandle Carson County Field | Carson | 2 | 42.8K | 127K | by Jan 1993 – Aug 2026 |
| Connell "A" O-9-13220 | Cutbow Operating, LLC only | Spraberry (Trend Area) | Upton | 1 | 42.6K | 197K | by Jan 1993 – May 2021 |
| Connell Canyon Unit O-11-70578 | Lone Star Operations LLC only | Arlene (Glorieta) | Garza | 1 | 42.4K | 0 | Jun 2017 – Jul 2026 |
| McConnell State 55-1-42 Lov G-10-277234 | Shell Western E&P only | Sandbar (Bone Spring) | Loving | 1 | 38.5K | 838K | Dec 2011 – Aug 2014 |
| Connell, W. E., NCT-2 O-10-13824 | Ctoc Energy, LLC only | Metz (Glorietta) | Ector | 1 | 38.1K | 19.1K | by Jan 1993 – Oct 2019 |
| Connell, W. E. Est. O-10-8301 | Royalty Resources, L.L.C. only | C-Bar (San Andres) | Crane | 2 | 36.6K | 192 | by Jan 1993 – Jun 2017 |
| Connell Estate O-9-8341 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Upton | 2 | 36.1K | 171K | by Jan 1993 – May 2018 |
| Garner 12 G-10-208064 | EOG Resources, Inc. only | Yucca Butte (Connell) | Terrell | 1 | 33.6K | 1.65M | Nov 2004 – Aug 2007 |
| Connell, W. E. NCT-1 O-10-3087 | XTO Energy Inc. only | Jordan (Ellenburger) | Ector | 4 | 33.6K | 49K | by Jan 1993 – Dec 2005 |
| Connell, W. E., Est. -B- O-10-552 | Momentum Energy Corporation only | C-Bar (San Andres) | Crane | 4 | 33.2K | 22 | by Jan 1993 – Aug 2026 |
| Connell, W. E. NCT-7 O-10-38314 | Ctoc Energy, LLC only | Jordan (Wichita Albany) | Ector | 2 | 33.1K | 51.1K | Jun 2007 – May 2015 |
| Connell O-10-21528 | Winfield Operating Company only | C-Bar (San Andres) | Crane | 6 | 33K | 4.95K | by Jan 1993 – Aug 2026 |