| Sinor Wilcox Unit O-2-11770 | Merit Energy Company | Sinor Nest (Lower Wilcox) | Live Oak | 25 | 3.93M | 5.48M | Sep 2019 – Aug 2026 |
| Sinor Ranch A O-2-10786 | Merit Energy Company | Sinor Nest (Lower Wilcox) | Live Oak | 11 | 3.69M | 4.74M | Jun 2013 – Aug 2019 |
| East Keystone(san a Holt Unit) O-10-36780 | Merit Energy Company | Keystone (Holt) | Winkler | 81 | 1.29M | 1.81M | Jan 2002 – Aug 2015 |
| Sinor Ranch B O-2-10879 | Merit Energy Company | Sinor Nest (Lower Wilcox) | Live Oak | 3 | 894K | 1.34M | May 2014 – Aug 2019 |
| Reed Bros. De O-10-19029 | Merit Energy Company | Howard-Glasscock (Glorieta) | Howard | 14 | 627K | 46K | by Jan 1993 – Nov 2011 |
| Sinor Ranch C O-2-11031 | Merit Energy Company | Sinor Nest (Lower Wilcox) | Live Oak | 2 | 607K | 971K | Jul 2014 – Aug 2019 |
| Clare O-11-63018 | Merit Energy Company | Prentice (6700) | Terry | 14 | 564K | 140K | by Jan 1993 – Aug 2004 |
| Douthit, E. W., -De- O-10-19025 | Merit Energy Company | Howard-Glasscock (Glorieta) | Howard | 18 | 504K | 49.4K | by Jan 1993 – Nov 2011 |
| Reed, L.R. & W.N. O-10-34841 | Merit Energy Company | Howard-Glasscock (Glorieta) | Howard | 8 | 426K | 26.8K | Dec 1995 – Nov 2011 |
| Dixie Mortgage-Hopkins Gas Unit G-4-160397 | Merit Energy Company | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 376K | 13.1M | Aug 1996 – Aug 2026 |
| Davis, W. J. "A" G-4-177061 | Merit Energy Company | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 368K | 26.2M | Mar 2000 – Oct 2023 |
| McAllen, A. A. "B" G-4-182723 | Merit Energy Company | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 303K | 6.45M | Apr 2001 – Aug 2026 |
| Boston Texas Land & Trust G-4-189963 | Merit Energy Company | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 303K | 9.05M | Jun 2002 – Nov 2015 |
| Salinas, M. G-4-151400 | Merit Energy Company | Jeffress, S.E. (Vicksburg T) | Hidalgo | 1 | 299K | 11.8M | Sep 1994 – Oct 2018 |
| McAllen, A. A. 'B' G-4-137216 | Merit Energy Company | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 294K | 9.01M | by Jan 1993 – Aug 2026 |
| James (Caddo) Unit O-13-19056 | Merit Energy Company | James | Young | 37 | 287K | 40.8K | by Jan 1993 – Oct 1996 |
| Bashara-Prothro O-10-30317 | Merit Energy Company | Keystone (Holt) | Winkler | 7 | 277K | 4M | by Jan 1993 – Aug 2015 |
| Beaurline, A. W. G-4-164781 | Merit Energy Company | McAllen Ranch (Vicksburg y, E.) | Hidalgo | 1 | 263K | 9.96M | Jul 1997 – May 2017 |
| McAllen, A. A. G-4-181160 | Merit Energy Company | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 260K | 8.25M | Dec 2000 – Aug 2026 |
| Boston Texas Land & Trust G-4-193892 | Merit Energy Company | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 258K | 7.97M | Mar 2003 – Aug 2026 |
| McAllen, A. A. "B" G-4-231958 | Merit Energy Company | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 253K | 5.52M | Sep 2007 – Aug 2026 |
| McAllen, A. A. "B" G-4-185731 | Merit Energy Company | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 247K | 4.27M | Oct 2001 – Aug 2026 |
| Yturria, H. L & CC G-4-182791 | Merit Energy Company | Jeffress, W. (Vicksburg V) | Hidalgo | 1 | 245K | 10.3M | Mar 2001 – Aug 2026 |
| Boston Texas Land & Trust G-4-192177 | Merit Energy Company | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 241K | 5.91M | Dec 2002 – Aug 2012 |
| Flores, R. G-4-168288 | Merit Energy Company | Texan Gardens, N. (VKS-S1) | Hidalgo | 1 | 241K | 11.1M | Mar 1998 – Aug 2026 |
| Btlt B G-4-225328 | Merit Energy Company | Jeffress, N (Vksbg, LO) | Hidalgo | 1 | 241K | 10.2M | Jan 2007 – Aug 2019 |
| McAllen, A. A. 'B' G-4-138997 | Merit Energy Company | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 235K | 4.81M | by Jan 1993 – Aug 2026 |
| Beaurline, A. W. G-4-163926 | Merit Energy Company | McAllen Ranch (Vksbg P-V,s Cons) | Hidalgo | 1 | 233K | 10.1M | Apr 1997 – Sep 2001 |
| Btlt B G-4-226133 | Merit Energy Company | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 232K | 8.08M | Apr 2007 – Aug 2026 |
| Slick, T. B. Estate G-4-193895 | Merit Energy Company | Hinde (Vicksburg Consolidated) | Starr | 1 | 230K | 10.9M | Dec 2002 – Aug 2019 |
| McAllen, A. A. "B" G-4-186875 | Merit Energy Company | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 229K | 4.38M | Dec 2001 – Aug 2026 |
| McAllen, A.A. "B" G-4-133221 | Merit Energy Company | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 226K | 9.98M | by Jan 1993 – Aug 2026 |
| Beaurline, A. W. G-4-165269 | Merit Energy Company | McAllen Ranch (Vicksburg S, E.) | Hidalgo | 1 | 222K | 2.74M | Aug 1997 – Aug 2026 |
| Coates "A" G-4-88450 | Merit Energy Company | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 216K | 8.04M | by Jan 1993 – Jul 2012 |
| McAllen, A.A. "B" G-4-145438 | Merit Energy Company | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 214K | 4.37M | May 1993 – Aug 2026 |
| Section 606 "A" O-13-22880 | Merit Energy Company | James | Young | 11 | 213K | 57.2K | by Jan 1993 – Oct 1996 |
| Boston Texas Land & Trust G-4-191126 | Merit Energy Company | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 212K | 7.91M | Sep 2002 – Aug 2026 |
| Woods Christian G-4-143961 | Merit Energy Company | McAllen Ranch (Vksbg P-V,s Cons) | Hidalgo | 1 | 212K | 8.26M | by Jan 1993 – Aug 2026 |
| McAllen, A.A. G-4-148852 | Merit Energy Company | McAllen Ranch (Vksbg P-V,s Cons) | Hidalgo | 1 | 205K | 8.73M | Mar 1994 – Jan 2022 |
| Palmer State 348 G-4-175711 | Merit Energy Company | Home Run (Vicksburg Cons.) | Brooks | 1 | 198K | 4.53M | Dec 1999 – Aug 2026 |
| Coastal-Fee G-4-162138 | Merit Energy Company | Jeffress, S.E. (Vicksburg T) | Hidalgo | 1 | 195K | 5.32M | Nov 1996 – Aug 2026 |
| Boston Texas Land & Trust G-4-202736 | Merit Energy Company | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 190K | 6.31M | Jun 2004 – Aug 2026 |
| Jamieson, Darwina G-4-192410 | Merit Energy Company | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 190K | 9.01M | Sep 2002 – Aug 2026 |
| Boston Texas Land & Trust G-4-176539 | Merit Energy Company | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 190K | 5.09M | Jan 2000 – Aug 2026 |
| G. E. Neblett et al Gas Unit G-4-155703 | Merit Energy Company | La Copita (Vicksburg Cons.) | Starr | 1 | 186K | 13.6M | Jul 1995 – Aug 2026 |
| Bentsen Bros. - State G-4-67228 | Merit Energy Company | La Copita (Vicksburg Cons.) | Starr | 1 | 183K | 13.3M | by Jan 1993 – Aug 2026 |
| Coates "B" G-4-161782 | Merit Energy Company | Jeffress, NE. (Vicksburg, Lo.) | Hidalgo | 1 | 182K | 31.2M | Sep 1996 – Feb 2022 |
| McAllen, A. A. "Slot" G-4-167307 | Merit Energy Company | McAllen Ranch (Vicksburg S, E.) | Hidalgo | 1 | 182K | 2.69M | Dec 1997 – Jan 2004 |
| Dixie Mortgage Hopkins G.U. G-4-181150 | Merit Energy Company | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 182K | 5.95M | Dec 2000 – Aug 2026 |
| McAllen, A. A. "B" G-4-136393 | Merit Energy Company | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 181K | 8.14M | by Jan 1993 – Jun 2025 |