| Westway 2122 G-10-286080 | U.S. Energy Development Corp only | Phantom (Wolfcamp) | Reeves | 1 | 246K | 3.56M | Nov 2017 – Jun 2025 |
| Isaacs '212' G-14-269432 | Mewbourne Oil Company only | Mendota, NW. (Granite Wash) | Hemphill | 1 | 101K | 2.17M | Jan 2013 – Apr 2026 |
| Westway 2122 G-10-299254 | U.S. Energy Development Corp only | Phantom (Wolfcamp) | Reeves | 1 | 93.7K | 1.25M | Jun 2024 – Apr 2026 |
| Isaacs '212' G-14-267228 | Mewbourne Oil Company only | Mendota, NW. (Granite Wash) | Hemphill | 1 | 52.9K | 1.16M | Mar 2012 – Apr 2026 |
| Westway 2122 G-10-299300 | U.S. Energy Development Corp only | Phantom (Wolfcamp) | Reeves | 1 | 47.3K | 526K | Jun 2024 – Apr 2026 |
| Welder Heirs 212 G-4-149648 | Continental Exploration, L.L.C. only | Dejay, North (Slick) | Duval | 1 | 34.1K | 1.39M | Feb 1994 – Feb 2012 |
| Welder State 212 G-4-141018 | Continental Exploration, L.L.C. only | Dejay Deep (Luling) | Duval | 1 | 6.3K | 174K | Jan 1993 – Feb 1994 |
| Woods 212-217 Alloc 06 G-9-300862 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 6.27K | 676K | Mar 2025 – Apr 2026 |
| Marshall, S. Jr. State A-2123 G-4-191791 | Carrizo Oil & Gas, Inc. only | Seven Sisters, S. (Massive) | Duval | 1 | 4.89K | 309K | Feb 2003 – Feb 2009 |
| Dunn-Peach (St 212) G-4-234917 | Modena Operating LLC only | Murdock Pass, N. (Frio 8100 B) | Kleberg | 1 | 3.84K | 1.84M | Feb 2006 – Jan 2010 |
| Brown NW "212" G-9-215743 | BRP Energy, LLC only | Geaslin (Wolfcamp) | Terrell | 1 | 2.56K | 1.23M | Dec 2005 – Apr 2026 |
| Woods 212-217 Alloc 08 G-9-299276 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 2.4K | 691K | Oct 2024 – Apr 2026 |
| Woods 212-217 Alloc 07 G-9-301283 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 1.75K | 197K | May 2025 – Apr 2026 |
| Woods 212-217 Alloc 02 G-9-299287 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 1.74K | 565K | Oct 2024 – Apr 2026 |
| Woods 212-217 Alloc 14 G-9-299283 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 1.69K | 411K | Oct 2024 – Apr 2026 |
| Woods 212-217 Alloc 00 G-9-300830 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 889 | 234K | Jul 2025 – Apr 2026 |
| Woods 212-217 Alloc 04 G-9-300549 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 866 | 334K | Jun 2025 – Apr 2026 |
| Woods 212-217 Alloc 05 G-9-299293 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 795 | 251K | Oct 2024 – Mar 2026 |
| Woods 212-217 Alloc 10 G-9-299853 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 616 | 354K | Apr 2025 – Apr 2026 |
| Brown SW 212 G-9-192782 | BRP Energy, LLC only | Geaslin (Wolfcamp) | Terrell | 1 | 465 | 775K | Nov 2002 – Apr 2026 |
| Woods 212-217 Alloc 11 G-9-299292 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 463 | 189K | Oct 2024 – Apr 2026 |
| Woods 212-217 Alloc 12 G-9-301057 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 406 | 96.7K | Jun 2025 – Mar 2026 |
| Woods 212-217 Alloc 09 G-9-300861 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 375 | 187K | Mar 2025 – Apr 2026 |
| Woods 212-217 Alloc 01 G-9-299289 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 226 | 214K | Oct 2024 – Apr 2026 |
| Brown NE "212" G-9-211836 | BRP Energy, LLC only | Geaslin (Wolfcamp) | Terrell | 1 | 189 | 511K | Jul 2005 – Apr 2026 |
| Brown NE "212" G-9-215546 | BRP Energy, LLC only | Geaslin (Wolfcamp) | Terrell | 1 | 126 | 871K | Dec 2005 – Apr 2026 |
| Welder State 212 G-4-167952 | Brigham Oil & Gas, L.P. only | Loma Novia, E. (House) | Duval | 1 | 78 | 210K | Feb 1998 – Feb 2002 |
| Brown NW "212" G-9-228924 | BRP Energy, LLC only | Geaslin (Wolfcamp) | Terrell | 1 | 72 | 678K | Apr 2007 – Apr 2026 |
| Brown NW "212" G-9-238132 | BRP Energy, LLC only | Geaslin (Wolfcamp) | Terrell | 1 | 38 | 275K | Feb 2008 – Apr 2026 |
| Brown SE "212" G-9-218140 | BRP Energy, LLC only | Geaslin (Wolfcamp) | Terrell | 1 | 32 | 157K | Feb 2006 – Apr 2026 |
| Brown NE "212" G-9-243576 | BRP Energy, LLC only | Geaslin (Wolfcamp) | Terrell | 1 | 21 | 110K | Oct 2008 – Apr 2026 |
| Brown SW "212" G-9-224885 | BRP Energy, LLC only | Geaslin (Wolfcamp) | Terrell | 1 | 10 | 22.8K | Dec 2006 – Aug 2020 |
| Brown SW "212" G-9-247443 | BRP Energy, LLC only | Geaslin (Wolfcamp) | Terrell | 1 | 8 | 195K | Feb 2008 – Apr 2026 |
| Marshall, S. Jr. State A-2123 G-4-193134 | Carrizo Oil & Gas, Inc. only | Seven Sisters (2400) | Duval | 1 | 7 | 200K | Feb 2003 – Jul 2005 |
| Welder Estate G-2-135008 | Cummins & Walker Oil Co., Inc. only | Welder Ranch (2125) | Victoria | 1 | 0 | 0 | — |
| Rosenquest G-2-116157 | Warrior Oil & Gas Corporation only | Nursery, S. (2125) | Victoria | 1 | 0 | 0 | — |
| Welder Heirs 212 G-4-204764 | Continental Exploration, L.L.C. only | Dejay Deep (Luling, Lower) | Duval | 1 | 0 | 0 | — |
| Holsworth, Helen M. G-3-160028 | Apache Corporation only | Collegeport (2120) | Matagorda | 1 | 0 | 273K | Sep 1996 – Apr 2003 |
| State Tract 212 G-4-238438 | Kindee Oil & Gas Texas, LLC only | Wildcat | Kleberg | 1 | 0 | 0 | — |
| Rosson, Vibora G-4-256694 | Slawson Exploration Company, Inc only | White Point, East (2120) | San Patricio | 1 | 0 | 61K | Jun 2010 – Jun 2012 |
| Collegeport Gas Unit G-3-154112 | Apache Corporation only | Collegeport (2120) | Matagorda | 1 | 0 | 100K | Apr 1995 – May 1997 |
| Canyon Ranch 212 G-1-200451 | Upp Operating, LLC only | Kelley (Ellenburger) | Edwards | 1 | 0 | 76.8K | Jan 2004 – Feb 2026 |
| Woods 212-217 Alloc 08 G-9-299277 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 0 | 0 | — |
| Woods 212-217 Alloc 02 G-9-299290 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 0 | 0 | — |
| Woods 212-217 Alloc 10 G-9-299885 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 0 | 0 | — |
| Woods 212-217 Alloc 04 G-9-300651 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 0 | 0 | — |
| Moore, Jessie B. G-3-95898 | Seneca Resources Corporation only | Clay, NE (Edwards Lime 12120) | Burleson | 1 | 0 | 0 | — |
| Woods 212-217 Alloc 06 G-9-300865 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 0 | 0 | — |
| Woods 212-217 Alloc 00 G-9-300925 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 0 | 0 | — |
| Woods 212-217 Alloc 12 G-9-301167 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | — | 0 | 0 | 0 | — |