| Kgfu 2 #w 6042-157-31194 | Hilcorp Energy Company only | Fort BendKaty (Wilcox Cons.) | PluggedGas | 11,000 | Sep 12, 2003 | 2 | Sep 2022 |
| Kgfu 2 #w 5242-157-31143 | Hilcorp Energy Company only | Fort BendKaty (Wilcox Cons.) | PluggedGas | 10,900 | Jan 27, 2003 | 2 | Jul 2022 |
| Kgfu 2 #w 6442-157-31298 | Hilcorp Energy Company only | Fort BendKaty (Wilcox Cons.) | ActiveGas | 10,520 | Jan 27, 2003 | 2 | Jun 2025 |
| Kgfu 1 #w 3642-473-30048 | Hilcorp Energy Company only | WallerKaty (Wilcox Cons.) | Temporarily abandonedGas | 11,000 | Jan 27, 2003 | 1 | Jan 2026 |
| Kgfu 2 #w 6342-473-30370 | Hilcorp Energy Company only | WallerKaty (Wilcox Cons.) | ActiveGas | 10,500 | Jan 27, 2003 | 2 | Mar 2026 |
| Kgfu 2 #w 6942-473-30375 | Hilcorp Energy Company only | WallerKaty (Wilcox Cons.) | Temporarily abandonedGas | 10,615 | Jan 27, 2003 | 2 | Aug 2006 |
| Kgfu 1 #w 5742-473-30404 | Hilcorp Energy Company only | WallerKaty (Wilcox Cons.) | ActiveGas | 10,518 | Jan 16, 2003 | 2 | Apr 2026 |
| Kgfu 1 #w 4942-473-30302 | Hilcorp Energy Company only | WallerKaty (Wilcox Cons.) | ActiveGas | 11,004 | Aug 23, 2002 | 2 | Apr 2026 |
| Kgfu 1 #w 5542-473-30402 | Hilcorp Energy Company only | WallerKaty (Wilcox Cons.) | ActiveGas | 10,480 | Aug 23, 2002 | 2 | Apr 2026 |
| Kgfu 2 #w 5942-157-31172 | Hilcorp Energy Company only | Fort BendKaty (Wilcox Cons.) | Temporarily abandonedGas | 10,800 | Jun 17, 2002 | 2 | Dec 2023 |
| Kgfu 2 #w 7142-473-30405 | Hilcorp Energy Company only | WallerKaty (Wilcox Cons.) | ActiveGas | 10,500 | Nov 16, 2001 | 2 | Apr 2026 |
| Kgfu 1 #w 5142-473-30342 | Hilcorp Energy Company only | WallerKaty (Wilcox Cons.) | PluggedGas | 11,300 | Apr 18, 2001 | 2 | Jun 2011 |
| Kgfu 2 #w 6142-473-30353 | Hilcorp Energy Company only | WallerKaty (Wilcox Cons.) | PluggedGas | 11,200 | Mar 6, 2001 | 2 | Jan 2020 |
| Kgfcu (IV) #730542-473-30018 | Hilcorp Energy Company only | WallerKaty (Combined) | PluggedGas | 10,800 | Apr 11, 2000 | 3 | — |
| Kgfu 1 #w 3142-473-00335 | Hilcorp Energy Company only | WallerKaty (Wilcox Cons.) | ActiveGas | 19,000 | Nov 12, 1993 | 5 | Sep 2020 |
| Bybee #142-157-31049 | Devon Energy Corporation(nevada) only | Fort BendKaty (First Wilcox) | PluggedGas | 11,095 | May 2, 1990 | 2 | — |
| S. Katy GU 3 #142-473-30377 | Exxon Corp. only | WallerKaty (First Wilcox) | PluggedGas | 11,000 | Dec 8, 1988 | 2 | — |
| Tucker Trust G. U. a #142-201-31736 | R&R Resources Corporation only | HarrisKaty (First Wilcox) | PluggedGas | 11,000 | May 4, 1984 | 2 | Jan 1998 |
| Katy Gas Unit #242-201-31723 | Douglas Petroleum Inc. only | HarrisKaty (First Wilcox) | PluggedGas | 11,500 | Mar 28, 1984 | 1 | Nov 1993 |
| Kgfu 1 #w 4042-473-30055 | Hilcorp Energy Company only | WallerKaty (Wilcox Cons.) | ActiveGas | 10,488 | Mar 2, 1984 | 1 | Apr 2026 |
| Katy Gfu 1 #w 5842-473-30408 | Exxon Corp. only | WallerKaty (First Wilcox) | PluggedGas | 10,880 | Dec 20, 1983 | 1 | — |
| Verna B. Crider G. U. #2 #242-157-31493 | Amax Oil & Gas Inc. only | Fort BendKaty (First Wilcox) | PluggedGas | 10,500 | Nov 14, 1983 | 1 | — |
| Tucker Trust Unit #142-157-31266 | Jackson Exploration Inc. only | Fort BendKaty (First Wilcox) | PluggedGas | 10,600 | Apr 5, 1983 | 3 | — |
| Katy Gas Unit #142-201-31535 | Douglas Petroleum Inc. only | HarrisKaty (First Wilcox) | PluggedGas | 10,737 | Feb 28, 1983 | 1 | Sep 1998 |
| Harrison Int. Ltd. et al Unit 2 #142-157-31393 | Barnhart Co. only | Fort BendKaty (First Wilcox) | PluggedGas | 11,000 | Oct 22, 1982 | 1 | May 1998 |
| Harrison Interest Ltd #142-157-31310 | Barnhart Co. only | Fort BendKaty (First Wilcox) | PluggedGas | 11,000 | Feb 26, 1982 | 1 | May 1998 |
| Crider #142-157-31230 | Amax Oil & Gas Inc. only | Fort BendKaty (First Wilcox) | PluggedGas | 10,500 | Feb 11, 1982 | 3 | — |
| Farris J.W. #142-157-31275 | Amax Petroleum Corporation only | Fort BendKaty (First Wilcox) | PluggedGas | 10,500 | Nov 24, 1981 | 1 | — |
| Cardiff C. I. Gas Unit #142-157-31276 | Amax Oil & Gas Inc. only | Fort BendKaty (First Wilcox) | PluggedGas | 10,500 | Nov 24, 1981 | 1 | — |
| Cook Perry V. Trust #142-157-31162 | Texas/Arkansas Petroleum Company only | Fort BendKaty (First Wilcox) | PluggedGas | 11,000 | Nov 2, 1981 | 2 | — |
| Harrison Gas Unit I #142-157-31232 | Texas/Arkansas Petroleum Company only | Fort BendKaty (First Wilcox) | PluggedGas | 10,500 | Aug 7, 1981 | 1 | — |
| Startzman H. M. G.U. 1 #142-157-31212 | Jackson Exploration Inc. only | Fort BendKaty (First Wilcox) | PluggedGas | 11,000 | Jun 17, 1981 | 1 | — |
| Startzman H.M. G.U. 2 #142-157-31209 | Jackson Exploration Inc. only | Fort BendKaty (First Wilcox) | PluggedGas | 11,000 | Jun 12, 1981 | 1 | — |
| Wilmot E. D. #142-157-31167 | Barnhart Co. only | Fort BendKaty (First Wilcox) | PluggedGas | 11,000 | Dec 31, 1980 | 1 | — |
| Cook Perry Trust Unit #242-157-31136 | Devon Energy Corporation(nevada) only | Fort BendKaty (First Wilcox) | PluggedGas | 12,500 | Sep 26, 1980 | 1 | — |
| Cook #142-157-31107 | Jackson Exploration Inc. only | Fort BendKaty (First Wilcox) | PluggedGas | 11,000 | Jun 13, 1980 | 1 | — |
| Katy Gfu 2 #w 5042-473-30308 | Exxon Corp. only | WallerKaty (First Wilcox) | PluggedGas | 11,500 | Apr 23, 1979 | 1 | — |