| McCullough 35-38-2S State O-10-50709 | Permian Resources Operating, LLC only | Wolfbone (Trend Area) | Reeves | 1 | 587K | 1.06M | May 2018 – Jul 2026 |
| McCullough 35-38-4S State O-10-52739 | Permian Resources Operating, LLC only | Wolfbone (Trend Area) | Reeves | 1 | 446K | 894K | Jun 2019 – Jul 2026 |
| McCullough 35-38-1S O-10-50705 | Permian Resources Operating, LLC only | Wolfbone (Trend Area) | Reeves | 1 | 441K | 791K | May 2018 – Jul 2026 |
| McCullough 35-38-3S State O-10-52317 | Permian Resources Operating, LLC only | Wolfbone (Trend Area) | Reeves | 1 | 434K | 671K | Jun 2019 – Jul 2026 |
| J. W. McCullough "a" Unit O-10-47697 | Permian Resources Operating, LLC only | Wolfbone (Trend Area) | Reeves | 2 | 421K | 653K | Nov 2015 – Jul 2026 |
| McCullough Unit O-8-28962 | P.B. Blue Dot Properties only | McCullough's (Conglomerate) | Throckmorton | 3 | 337K | 138K | May 2001 – Jul 2026 |
| J. W. McCullough Unit O-10-40641 | Permian Resources Operating, LLC only | Wolfbone (Trend Area) | Reeves | 3 | 309K | 604K | Dec 2010 – Jul 2026 |
| McCullough-Wineman EF O-5-4109 | Wildfire Energy Operating LLC only | Aguila Vado (Eagleford) | Brazos | 2 | 248K | 1.14M | Mar 2014 – Jul 2026 |
| McCullough-Wineman EF O-3-27226 | Wildfire Energy Operating LLC only | Giddings (Eagleford) | Brazos | 2 | 215K | 1.28M | Jan 2015 – Jul 2026 |
| McCullough, M. E. O-13-20145 | 3-T Exploration, Inc. only | Street (Strawn) | Jack | 6 | 206K | 3.13K | Jan 1993 – Feb 2017 |
| Carmack "1693" O-8-26919 | Ashtola Exploration Company,inc. only | McCullough's (Conglomerate) | Throckmorton | 1 | 166K | 174K | Jun 1993 – Aug 2001 |
| McCullough, C & H O-13-30054 | Tatanka Operating, LLC only | Preston (Davis, Lower) | Grayson | 2 | 163K | 426K | Aug 2002 – Jul 2026 |
| Carmack "1693" Unit C O-8-27112 | Ashtola Exploration Company,inc. only | McCullough's (Conglomerate) | Throckmorton | 1 | 144K | 219K | Feb 1994 – Aug 2001 |
| Carmack "1693", Unit B O-8-27007 | Ashtola Exploration Company,inc. only | McCullough's (Conglomerate) | Throckmorton | 1 | 128K | 232K | Sep 1993 – Aug 2001 |
| McCullough, A.W. O-3-22189 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Brazos | 2 | 114K | 1.22M | Sep 1993 – Jun 2022 |
| McCullough-Terry Unit O-3-22138 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Brazos | 1 | 77K | 1.02M | Jul 1993 – Aug 2019 |
| McCullough-McCullough 'A' O-3-23783 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Brazos | 2 | 69.3K | 1.2M | Feb 2000 – Jun 2024 |
| McCullough, J. O-8-17469 | Bud Oil, Inc. only | Jones County Regular | Jones | 2 | 51.6K | 19 | Jan 1993 – Jul 2014 |
| McCullough, J.V. O-2-7895 | Hyquest Energy, Inc. only | Mikeska, SW. (Pettus Stringer) | Live Oak | 1 | 39.6K | 54K | Jul 1993 – Apr 2005 |
| McCullough-Wineman AC O-3-27335 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Brazos | 1 | 32K | 116K | Jan 2015 – Jul 2026 |
| McCullough No. 1 O-3-15188 | Reserve Production, Inc. only | Giddings (Austin Chalk-3) | Brazos | 2 | 29.9K | 238K | Jan 1993 – Jun 1997 |
| McCullough O-13-29616 | Borderline Operating Corp. only | Antelope,s.e. (Marble Falls) | Jack | 1 | 27K | 140K | Jan 1999 – Oct 2013 |
| McCullough-McCullough Unit O-3-25536 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Brazos | 1 | 15.4K | 298K | Mar 2010 – Oct 2024 |
| McCullough O-3-25407 | Shidler, Mark L., Inc. only | Giddings (Austin Chalk-3) | Brazos | 1 | 15.4K | 241K | Mar 2009 – Jul 2026 |
| McCullough, M. E. O-13-24664 | 3-T Exploration, Inc. only | Stewart (Congl.) | Jack | 1 | 11K | 104K | Jan 1993 – Jun 2015 |
| McCullough O-13-22116 | Massie Oil Company only | Wichita County Regular | Wichita | 3 | 7.71K | 21 | Jan 1993 – Jul 2026 |
| McCullough O-1-11230 | Koko Skadi, LLC only | Somerset | Bexar | 10 | 7.31K | 20 | Jan 1993 – Jul 2026 |
| Maxey Heirs O-13-21010 | Bridwell Oil Co. only | Ward-McCullough (Strawn) | Jack | 3 | 6.1K | 1.02K | Jan 1993 – Jun 1997 |
| McCullough O-13-21490 | Swanner Properties only | Sweeney (Conglomerate) | Young | 1 | 5.84K | 26.8K | Jan 1993 – Dec 2023 |
| McCullough, M. E. O-13-20018 | 3-T Exploration, Inc. only | Street (Caddo) | Jack | 1 | 3.45K | 21 | Jan 1993 – Jun 2015 |
| J. W. McCullough Unit O-10-40594 | Thompson, J. Cleo only | Hoban (Wolfcamp) | Reeves | 1 | 2.77K | 1.67K | Oct 2010 – Jun 2011 |
| McCullough O-13-33675 | Willowbend Investments, Inc. only | Antelope, S.E. (Caddo) | Jack | 1 | 2.04K | 0 | Jul 2017 – Aug 2022 |
| McCullough Unit O-8-13402 | P.B. Blue Dot Properties only | Throckmorton County Regular | — | 2 | 716 | 910 | Jan 1993 – Jul 2026 |
| Matlock O-13-24369 | Lindemann, James D. only | Ward-McCullough (Miss.) | Jack | 1 | 194 | 18 | Jan 1993 – Aug 2003 |
| McCullough,john O-13-26751 | BKM Production only | Sherman (Davis 8400) | Grayson | 1 | 174 | 106K | Jan 1993 – Jul 2026 |
| Wagley-McCullough O-1-13659 | Guedry, Mark only | Drummond (Austin 1400) | Hays | 1 | 18 | 8 | Jan 1993 – Jul 2026 |
| J. W. McCullough O-10-42434 | Thompson, J. Cleo only | Wolfbone (Trend Area) | Reeves | 1 | 0 | 0 | Sep 2011 – Apr 2013 |
| McCullough, John O-13-11809 | Larson, Perry L Operating Co Inc only | Sherman (Davis 8400) | — | 1 | 0 | 0 | Jan 1993 – Nov 1993 |
| McCullough, John O-13-11810 | Larson, Perry L Operating Co Inc only | Sherman (7500 Sand) | — | 1 | 0 | 0 | Jan 1993 – Nov 1993 |
| McCullough & Howard O-13-21269 | Uselton Oil Company only | Wichita County Regular | Wichita | 4 | 0 | 0 | Jan 1993 – Aug 2003 |
| McCullough, Charles 3 O-13-21801 | Holden Energy Corporation only | New Mag (McLish) | Grayson | 1 | 0 | 0 | Jan 1993 – Sep 1994 |
| McCullough O-13-25611 | Brazos Petroleum, Inc. only | Perrin, N. Afb (Cordell Sd.) | Grayson | 1 | 0 | 5 | Jan 1993 – Jul 2026 |
| McCulloughh O-13-26456 | Tat, Inc. only | Perrin, N. Afb (Cordell Sd.) | Grayson | 1 | 0 | 0 | Jan 1993 – Nov 1994 |
| McCullough, J.V. et Al G-2-139096 | Inland Ocean, Inc. only | Mikeska, SW. (Pettus Stringer) | Live Oak | 1 | 0 | 38.2K | Jan 1993 – Jun 1993 |
| Prideaux O-13-34134 | Best Petroleum Explorations,inc. only | Ward-McCullough (Strawn) | Jack | 1 | 0 | 0 | Nov 2021 – Dec 2022 |
| McCullough/Pedrotti G-2-156820 | Hyquest Energy, Inc. only | Mikeska, SW. (Pettus Stringer) | Live Oak | 1 | 0 | 38.7K | Oct 1995 – Nov 1999 |
| McCullough-McCullough Unit G-3-143450 | Enervest Operating, L.L.C. only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 0 | 1.53M | Jan 1993 – May 2010 |
| McCullough-McCullough 'A' G-3-145083 | Union Pacific Resources Company only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 0 | 1.49M | Jan 1993 – Jun 2000 |
| McCullough-McCullough 'B' Unit G-3-145291 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 0 | 3.69M | Mar 1993 – Jul 2026 |
| McCullough-Olden Unit G-3-146491 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 0 | 1.72M | Apr 1993 – Feb 2025 |