| Carry Back 6 State A G-10-285444 | Coterra Energy Operating Co. only | Ford, West (Wolfcamp) | Culberson | 1 | 705K | 6.64M | Jul 2018 – Apr 2026 |
| Carry Back 6 State G-10-288831 | Coterra Energy Operating Co. only | Derby (Bone Spring) | Culberson | 1 | 498K | 5.23M | Jan 2020 – Apr 2026 |
| Carry Back 6 State H G-10-288650 | Coterra Energy Operating Co. only | Ford, West (Wolfcamp) | Culberson | 1 | 392K | 4.21M | Dec 2019 – Apr 2026 |
| McMillan Unit G-3-169272 | Carrizo Oil & Gas, Inc. only | W. D. McMillan (Yegua 9650) | Wharton | 1 | 381K | 2.61M | Jun 1998 – Mar 2003 |
| Beach House G-3-196831 | Carrizo Oil & Gas, Inc. only | Hematite Sand (Vicksburg) | Chambers | 1 | 353K | 6.5M | Aug 2003 – Oct 2007 |
| Carry Back 6 State C G-10-288801 | Coterra Energy Operating Co. only | Ford, West (Wolfcamp) | Culberson | 1 | 334K | 5.31M | Dec 2019 – Apr 2026 |
| Carry Back 6 State G-10-288739 | Coterra Energy Operating Co. only | Derby (Bone Spring) | Culberson | 1 | 324K | 4.42M | Dec 2019 – Apr 2026 |
| Carry Back 6 State G-10-288740 | Coterra Energy Operating Co. only | Derby (Bone Spring) | Culberson | 1 | 314K | 4.08M | Jan 2020 – Apr 2026 |
| Carroll Retzloff 01 G-2-267639 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Live Oak | 1 | 262K | 2.23M | Oct 2011 – Apr 2026 |
| Carry Back 6 State F G-10-289189 | Coterra Energy Operating Co. only | Ford, West (Wolfcamp) | Culberson | 1 | 219K | 4.39M | Dec 2019 – Feb 2026 |
| Carry Back 6 State E G-10-288802 | Coterra Energy Operating Co. only | Ford, West (Wolfcamp) | Culberson | 1 | 218K | 4.35M | Dec 2019 – Apr 2026 |
| Carr 14 G-14-278397 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 209K | 8.42M | Dec 2014 – Apr 2026 |
| Usx Hematite Unit #1 G-3-177684 | Carrizo Oil & Gas, Inc. only | Hematite Sand (Vicksburg) | Chambers | 1 | 192K | 6.39M | Nov 1999 – Dec 2005 |
| Carroll Retzloff 01 G-2-268800 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Live Oak | 1 | 184K | 1.74M | Dec 2012 – Apr 2026 |
| El Ferrocarril Ltd G-3-190143 | Hilcorp Energy Company only | Cooley (Meek Sand) | Fort Bend | 1 | 175K | 6.11M | Jul 2002 – Apr 2026 |
| McMillian, W. D. G-3-167641 | Carrizo Oil & Gas, Inc. only | W. D. McMillan (Yegua 9650) | Wharton | 1 | 166K | 3.15M | Apr 1998 – Nov 2001 |
| Taylor-Carrico Unit #1 G-1-297217 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Frio | 1 | 137K | 488K | Jan 2022 – Apr 2026 |
| Billings Ranch G-4-239274 | Mountain V Texas, LLC only | Tiffany (Wilcox Carrizo) | Webb | 1 | 125K | 5.53M | Feb 2008 – Apr 2026 |
| Taylor-Carrico Unit #1 G-1-296950 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Frio | 1 | 116K | 519K | Jan 2022 – Apr 2026 |
| Carriere-Henderson G.U. G-3-255264 | Faulconer Energy, LLC only | Porter's Creek (Yegua) | Wharton | 1 | 110K | 2.79M | Feb 2010 – Sep 2015 |
| El Ferrocarril Ltd G-3-198084 | Hilcorp Energy Company only | Cooley (Meek Sand) | Fort Bend | 1 | 99.2K | 4.24M | Aug 2003 – Jan 2013 |
| El Ferrocarril Ltd G-3-167434 | Hilcorp Energy Company only | Cooley (Meek Sand) | Fort Bend | 1 | 93.9K | 2.97M | Jan 1998 – Jan 2022 |
| Bonner G-3-201778 | South Texas Operating Company only | Carroll (8600) | Liberty | 1 | 85.6K | 1.34M | Apr 2004 – Jul 2017 |
| Carr 1357 EXL G-14-283041 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 85.2K | 4.17M | Jul 2017 – Mar 2026 |
| Pitchfork Ranch A-90 G-3-183001 | Carrizo Oil & Gas, Inc. only | Faith-Mag, Southwest (11600) | Matagorda | 1 | 77.9K | 1.59M | Apr 2001 – Sep 2002 |
| Carr 1312 EXL G-14-285463 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 76.1K | 3.06M | Apr 2018 – Mar 2026 |
| Union Ranch G-4-251688 | Mountain V Texas, LLC only | Tiffany (Wilcox Carrizo) | Webb | 1 | 75K | 5.6M | Mar 2009 – Apr 2026 |
| El Ferrocarril Ltd. G-3-155701 | Hilcorp Energy Company only | Cooley (Meek Sand) | Fort Bend | 1 | 74.4K | 3.68M | Aug 1995 – Mar 2023 |
| Carr 1357 EXL G-14-283042 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 66.4K | 1.93M | Jul 2017 – Mar 2026 |
| Billings Ranch G-4-257806 | Mountain V Texas, LLC only | Tiffany (Wilcox Carrizo) | Webb | 1 | 65.1K | 4.37M | Sep 2010 – Apr 2026 |
| Carr G-4-145347 | Conocophillips Company only | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 64.9K | 5.61M | Mar 1993 – Dec 2001 |
| Vaquillas G-4-264308 | Hilcorp Energy Company only | Tiffany (Wilcox Carrizo) | Webb | 1 | 63.2K | 5.24M | Aug 2011 – Sep 2021 |
| Beach House G-3-199614 | Carrizo Oil & Gas, Inc. only | Hematite Sand (Vicksburg) | Chambers | 1 | 61.6K | 1.34M | Jan 2004 – Feb 2006 |
| Carr 1312 WXL G-14-285102 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 60.4K | 2.08M | Apr 2018 – Mar 2026 |
| Vaquillas-State G-4-251130 | Hilcorp Energy Company only | Tiffany (Wilcox Carrizo) | Webb | 1 | 58K | 3.04M | Jun 2009 – Apr 2025 |
| Carr 1312 EXL G-14-284552 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 57.1K | 1.77M | Apr 2018 – Jul 2022 |
| Carr G-4-121702 | Hilcorp Energy Company only | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 55.1K | 2.62M | Jan 1993 – Apr 2026 |
| Billings B G-4-255692 | Smith Production Inc. only | Tiffany (Wilcox Carrizo) | Webb | 1 | 54.7K | 3.99M | Jan 2010 – Apr 2026 |
| Carr G-4-146507 | Hilcorp Energy Company only | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 53.8K | 4.61M | Jul 1993 – Apr 2026 |
| Billings Ranch G-4-261169 | Mountain V Texas, LLC only | Tiffany (Wilcox Carrizo) | Webb | 1 | 53.6K | 2.41M | Apr 2011 – Apr 2026 |
| Carr G-4-146798 | Hilcorp Energy Company only | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 53.3K | 4.08M | Sep 1993 – Apr 2026 |
| Carr 1 G-14-255809 | Presidio Petroleum LLC only | Lott Ranch (Granite Wash Cons.) | Wheeler | 1 | 53.2K | 1.68M | Mar 2010 – Jul 2025 |
| Union Ranch-Lopez G-4-226329 | Mountain V Texas, LLC only | Tiffany (Wilcox Carrizo) | Webb | 1 | 52.2K | 3.2M | Feb 2007 – Apr 2026 |
| Carr G-4-145936 | Hilcorp Energy Company only | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 49.2K | 2.87M | Mar 1993 – May 2002 |
| Carr G-4-166048 | Hilcorp Energy Company only | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 48.9K | 3.41M | Oct 1997 – Oct 2011 |
| Usx Hematite Unit #1 G-3-180387 | Carrizo Oil & Gas, Inc. only | Hematite Sand (Vicksburg) | Chambers | 1 | 48.8K | 830K | Sep 2000 – Jul 2003 |
| Billings B G-4-256289 | Smith Production Inc. only | Tiffany (Wilcox Carrizo) | Webb | 1 | 47K | 3.5M | Apr 2010 – Apr 2026 |
| Carrie G-14-166493 | Natural Gas Anadarko Company only | Morrison Ranch (Morrow Lo.) | Roberts | 1 | 45.1K | 3.31M | Feb 1998 – Apr 2026 |
| Carroll - Peters Unit G-3-162306 | Magnolia Oil & Gas Operating LLC only | Kurten (Georgetown) | Brazos | 1 | 43K | 802K | Jan 1997 – Apr 2026 |
| Carroll-Biering Unit G-3-160785 | Magnolia Oil & Gas Operating LLC only | Kurten (Georgetown) | Brazos | 1 | 42.7K | 1.37M | Oct 1996 – Apr 2026 |