| Cole Younger State 30-23 Unit A O-10-51344 | Noble Energy Inc only | Phantom (Wolfcamp) | Reeves | 8 | 1.81M | 5.79M | Oct 2019 – Apr 2026 |
| Cole Younger State 30-23 Unit B O-10-53257 | Noble Energy Inc only | Phantom (Wolfcamp) | Reeves | 4 | 745K | 2.2M | Oct 2019 – Apr 2026 |
| Cole Younger State 30-23 Unit D O-10-48277 | Noble Energy Inc only | Wolfbone (Trend Area) | Reeves | 1 | 353K | 603K | Sep 2017 – Apr 2026 |
| Younger Unit G-3-295236 | Zarvona Energy LLC only | Magnolia Springs (Austin Chalk) | Jasper | 1 | 269K | 3.62M | Feb 2023 – Apr 2026 |
| Younger Unit G-3-252293 | Zarvona Energy LLC only | Magnolia Springs (Austin Chalk) | Jasper | 1 | 111K | 1.56M | Mar 2009 – Apr 2026 |
| Eaton O-10-30903 | Younger Energy Company only | Fort Stockton | Pecos | 6 | 95.5K | 7.77K | Jan 1993 – Jul 2017 |
| Usm Oil Co. B O-10-35374 | Younger Energy Company only | Fort Stockton | Pecos | 2 | 54.6K | 0 | Jun 1997 – Sep 2018 |
| Eaton O-10-30249 | Younger Energy Company only | Fort Stockton (Yates Lower) | Pecos | 4 | 44.6K | 16K | Jan 1993 – May 1997 |
| Younger, Ruth O-13-8435 | BKM Production only | Mackoy, East (Strawn 4200) | Grayson | 1 | 36.5K | 193 | Jan 1993 – Apr 2026 |
| U. S. M. Oil Co. "B" O-10-30743 | Younger Energy Company only | Fort Stockton (Yates Lower) | Pecos | 2 | 32.7K | 31.1K | Jan 1993 – May 1997 |
| Younger O-13-30480 | Extech Operating, LLC only | Gilley, W. (Atoka Congl.) | Wise | 1 | 32.6K | 383K | Aug 2005 – Apr 2026 |
| Younger,p.c. O-13-17727 | Trek Resources, Inc. only | Park Springs (Congl.) | Wise | 2 | 31.5K | 462K | Jan 1993 – Apr 2026 |
| Carder O-13-24876 | Younger Energy Company only | Pottsboro, South (Cordell 9300) | Grayson | 1 | 30.2K | 80.4K | Jan 1993 – May 2010 |
| David O-13-24374 | Younger Energy Company only | Perrin, N. Afb (Cordell Sd.) | Grayson | 1 | 27.2K | 65.5K | Jan 1993 – Oct 2009 |
| Younger, Doug O-13-31240 | Extech Operating, LLC only | Gilley, W. (Atoka Congl.) | Wise | 1 | 25.8K | 211K | Jan 2009 – Apr 2026 |
| Eaton, H. J. O-10-1519 | Younger Energy Company only | Fort Stockton | Pecos | 3 | 17.5K | 9 | Jan 1993 – Apr 2016 |
| Thomas Unit O-13-19492 | Cooper Oil & Gas, LLC only | Younger, W (Caddo Congl. LO A) | Wise | 1 | 12.6K | 188K | Jan 1993 – Apr 2026 |
| Younger, W. R. O-13-18053 | Atex Exploration & Operating Co. only | Mackoy (5000) | Grayson | 1 | 11.9K | 21 | Jan 1993 – Apr 2026 |
| Younger Estate -A- O-13-17730 | Trek Resources, Inc. only | Park Springs (Congl.) | Wise | 1 | 9.99K | 63.1K | Jan 1993 – Apr 2026 |
| Kibler, C. F. "B" G-13-105540 | Winfield Operating Company only | Younger, W (Caddo Congl. LO B) | Jack | 1 | 9.65K | 398K | Jan 1993 – Apr 2026 |
| Younger, W. R. O-13-16690 | Atex Exploration & Operating Co. only | Mackoy (3450) | Grayson | 1 | 8.96K | 21 | Jan 1993 – Apr 2026 |
| Younger, Ruth O-13-8752 | Brammer Supply, Inc. only | Whitesboro (Oil Creek Sand) | Grayson | 1 | 8.5K | 23 | Jan 1993 – Nov 1997 |
| Mansfield, Mollie "B" O-13-28875 | Cobra Oil & Gas Corporation only | Younger, W (Caddo Congl. LO B,n) | Wise | 1 | 8.21K | 291K | Nov 1994 – Oct 2006 |
| Lee G-13-139807 | Younger Energy Company only | Pottsboro, South (Cordell 9300) | Grayson | 1 | 7.88K | 2.32M | Jan 1993 – May 2024 |
| Eaton, H. J. O-10-27275 | Younger Energy Company only | Fort Stockton (Yates Lower) | Pecos | 1 | 7.6K | 9 | Jan 1993 – May 1997 |
| Henson, Hettye O-13-19493 | Echo Production, Inc. only | Younger, W (Caddo Congl. LO A) | Wise | 1 | 7.46K | 67K | Jan 1993 – May 2004 |
| Younger, J. E. Unit I O-3-19720 | Leexus Oil & Gas L.L.P. only | Kurten (Woodbine) | Brazos | 1 | 6.88K | 20.7K | Jan 1993 – Sep 2001 |
| Younger, W. R. O-13-16689 | Atex Exploration & Operating Co. only | Mackoy (4500) | Grayson | 1 | 6.8K | 21 | Jan 1993 – Apr 2026 |
| Pigg, J. C. G-13-217514 | Stephens & Johnson Operating Co. only | Younger, W (Caddo Congl. LO B,n) | Jack | 1 | 5.95K | 541K | Jun 2006 – Apr 2026 |
| Pigg, J.C. O-13-22342 | Stephens & Johnson Operating Co. only | Younger, W (Caddo Congl. LO B,n) | Jack | 1 | 5.55K | 485K | Jan 1993 – May 2006 |
| Younger J. E. Unit I O-3-24698 | Cumming Company, Inc. The only | Giddings (Austin Chalk-3) | Brazos | 1 | 2.27K | 0 | Feb 2005 – Apr 2010 |
| Clark, Hinds O-13-12570 | Greco Operating, LLC only | Younger, W(caddo Congl. LO A1,N) | Montague | 1 | 2.17K | 119K | Jan 1993 – May 2007 |
| McDonald O-13-12631 | Bridwell Oil Co. only | Younger, West (Ellenburger No.) | Montague | 1 | 1.9K | 1.3K | Jan 1993 – Jun 2010 |
| Jones, Percy, Est. O-13-12934 | Ridgeling Well Salvage only | Younger, W(caddo Congl. LO A1,N) | Montague | 1 | 1.89K | 61.7K | Jan 1993 – Apr 2000 |
| Mansfield "B" G-13-126487 | Cobra Oil & Gas Corporation only | Younger, W (Caddo Congl. LO F) | Wise | 1 | 1.86K | 295K | Jan 1993 – Jul 2007 |
| Younger, C. R. O-13-30728 | Trek Resources, Inc. only | Park Springs (Congl.) | Wise | 1 | 1.8K | 0 | Apr 2007 – Jul 2015 |
| Daube Est. O-13-12750 | Greco Operating, Inc. only | Younger, W (Caddo Congl. LO B,n) | Montague | 1 | 1.51K | 56.3K | Jan 1993 – Oct 1999 |
| Jones, Percy, Estate O-13-12950 | Ridgeling Well Salvage only | Younger, W (Caddo Congl. LO B,n) | Montague | 1 | 1.4K | 60.8K | Jan 1993 – Apr 2000 |
| Southward, G. F., -A- O-13-12726 | Bridwell Oil Co. only | Younger, W (Caddo Congl. LO B,n) | Montague | 1 | 1.02K | 18.3K | Jan 1993 – Mar 1998 |
| Mansfield "B" O-13-30891 | Extech Operating, LLC only | Younger, W (Caddo Congl. LO F) | Wise | 1 | 1.01K | 282K | Nov 2007 – Jun 2025 |
| Younger, M. P. G-13-224912 | Trek Resources, Inc. only | Park Springs (Congl.) | Wise | 1 | 755 | 116K | Jun 2006 – Nov 2017 |
| Lewis, Myrtle O-10-26294 | Younger Energy Company only | Fort Stockton | Pecos | 2 | 713 | 1.52K | Jan 1993 – Mar 1995 |
| Younger Rollins Unit G-13-252501 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Parker | 1 | 658 | 2.22M | Dec 2009 – Apr 2026 |
| Winter-Slover O-13-20480 | Echo Production, Inc. only | Younger, W (Caddo Congl. LO A) | Wise | 1 | 604 | 34.6K | Jan 1993 – Oct 1998 |
| Mansfield, Mollie, -G- O-13-12043 | Pursley, John only | Younger, W (Caddo Congl. LO A) | Jack | 1 | 243 | 1.84K | Apr 1993 – Jan 2003 |
| Riggs, E. O-10-1426 | Younger Energy Company only | Fort Stockton | Pecos | 1 | 235 | 75 | Jan 1993 – Aug 2001 |
| Reeves O-13-19494 | Echo Production, Inc. only | Younger, W (Caddo Congl. LO A) | Wise | 1 | 226 | 5.58K | Jan 1993 – Nov 1994 |
| Mansfield, Mollie, -G- O-13-12001 | Pursley, John only | Younger, W (Caddo Congl. LO F) | Jack | 1 | 215 | 1.87K | Apr 1993 – Sep 2008 |
| Mansfield, Mollie -G- O-13-12024 | Pursley, John only | Younger, W (Caddo Congl. LO D) | Jack | 1 | 200 | 1.84K | Apr 1993 – Jan 2003 |
| Younger, P. C. G-13-224910 | Trek Resources, Inc. only | Park Springs (Congl.) | Wise | 1 | 143 | 94.1K | Jun 2006 – Aug 2022 |