| Colburn Unit #3HHZ42-471-30374 | EOG Resources Inc. | WalkerMossy Grove (Glen Rose) | PluggedGas | 13,000 | Feb 26, 2021 | 3 | Apr 2021 |
| Colburn #242-471-30351 | EOG Resources Inc. | WalkerFort Trinidad East (Buda) | PluggedOil | 13,000 | Dec 29, 2020 | 3 | Apr 2021 |
| Gibbs Bros. & Co. #242-471-00097 | Humble Oil & Refining Co. | WalkerGibbs Bros. (Georgetown 12260) | PluggedGas | 13,000 | Oct 3, 2018 | 1 | — |
| Master Kan #142-471-30378 | Etx Energy LLC | WalkerFort Trinidad East (Buda) | PluggedOil | 12,250 | Aug 22, 2016 | 3 | Feb 2016 |
| Miss Kitty #142-471-30376 | Fortune Resources LLC | WalkerWildcat | PluggedGas | 14,000 | Sep 18, 2014 | 1 | — |
| Gibbs Brothers B-1 Unit #1D42-471-30022 | Apollo Energy Operating Co LP | WalkerCrabbs Prairie (Edwards) | PluggedGas | 14,500 | Mar 28, 2014 | 3 | — |
| Wales Josey #1HHZ42-471-30371 | — | WalkerFort Trinidad, East (Buda) | Plugged | 12,500 | Mar 18, 2014 | 2 | — |
| McAdams Cattle Company #1HHZ42-471-30370 | EOG Resources Inc. | WalkerFort Trinidad East (Buda) | PluggedOil | 11,600 | Feb 28, 2014 | 3 | Mar 2019 |
| Lone Ranger #142-471-30367 | EOG Resources Inc. | WalkerFort Trinidad East (Buda) | PluggedOil | 13,000 | Nov 8, 2013 | 3 | May 2019 |
| Bedias Creek #142-471-30364 | EOG Resources Inc. | WalkerFt. Trinidad N. (Glen Rose Up.) | PluggedOil | 13,000 | Sep 4, 2013 | 2 | — |
| Gibbs Brothers #1HHZ42-471-30349 | Apollo Energy Operating Co LP | WalkerGibbs Bros. (Buda) | PluggedGas | 13,000 | Jun 20, 2013 | 3 | Nov 2021 |
| True Grit #1HHZ42-471-30363 | EOG Resources Inc. | WalkerAguila Vado (Eagleford) | PluggedOil | 13,500 | Jun 13, 2013 | 2 | Jan 2020 |
| Gibbs Brothers III #142-471-30358 | EOG Resources Inc. | WalkerFort Trinidad East (Buda) | PluggedOil | 12,500 | Jan 28, 2013 | 2 | Aug 2017 |
| Gibbs Brothers #142-471-30233 | — | WalkerMossy Grove (Glen Rose -B-) | Plugged | 12,600 | Feb 13, 2012 | 2 | — |
| Tonto #142-471-30347 | Small R.P. Corp. | WalkerChieftain (Woodbine) | PluggedGas | 14,300 | Apr 15, 2011 | 2 | — |
| Riverbend Unit #1HZ42-471-30298 | Bluestone Natural Resources LLC | WalkerCrabbs Prairie (James Lime) | PluggedGas | 15,500 | Apr 28, 2010 | 4 | Nov 2010 |
| McWorther #1__42-471-30346 | — | Walker | Plugged | 2,700 | Apr 19, 2010 | 1 | — |
| Gibbs Brothers #1__42-471-30344 | — | Walker | Plugged | 2,000 | Jul 8, 2009 | 1 | — |
| Gibbs E #242-471-30339 | — | Walker | Plugged | 900 | Feb 25, 2008 | 1 | — |
| Godwin #142-471-30335 | — | WalkerMaple Branch (Yegua) | Plugged | 4,500 | Jul 21, 2007 | 1 | — |
| Amerada-Riley #142-471-30251 | Wheeler Operating Corporation | WalkerWildcat | PluggedGas | 17,000 | Jun 20, 2007 | 2 | — |
| Gibbs E #142-471-30334 | — | Walker | Plugged | 1,000 | Jun 13, 2007 | 1 | — |
| Tipco-Gibbs #142-471-30202 | Sanhall Corporation | WalkerSam Houston (Sub-Clarksville) | PluggedOil | 15,800 | Feb 21, 2007 | 2 | — |
| Cunningham Gas Unit #142-471-30319 | Prime Operating Company | WalkerWildcat | PluggedGas | 3,100 | Dec 4, 2006 | 2 | — |
| Cunningham Gas Unit No. 2 #142-471-30318 | Prime Operating Company | WalkerWolfsbane (Yegua) | PluggedGas | 2,900 | Sep 6, 2006 | 2 | Jun 2008 |
| Key-Reeder #142-471-30332 | Santa Rosa Operating LLC | WalkerMaple Branch (Yegua) | PluggedGas | 4,500 | Aug 15, 2006 | 1 | May 2015 |
| Robinson -a- #142-471-30333 | Buffco Production Inc. | WalkerWolfsbane (Yegua) | PluggedGas | 4,000 | Aug 15, 2006 | 1 | — |
| Gibbs 1-D #1__42-471-30331 | — | Walker | Plugged | 1,750 | Jun 26, 2006 | 1 | — |
| Sam Houston East #242-471-30011 | Wheeler Operating Corporation | WalkerOakhurst (Wilcox 9900) | PluggedGas | 11,700 | May 11, 2006 | 3 | — |
| Warner Unit #142-471-30330 | Cobra Oil & Gas Corporation | WalkerMaple Branch (Yegua) | PluggedGas | 4,500 | May 10, 2006 | 2 | Aug 2008 |
| Wilcon Unit #142-471-30329 | — | WalkerMaple Branch (Yegua) | Plugged | 3,500 | Apr 3, 2006 | 1 | — |
| Gibbs III #142-471-00072 | Wheeler Operating Corporation | WalkerWildcat | PluggedGas | 5,200 | Mar 3, 2006 | 1 | — |
| Gibbs II - Bennett #142-471-30328 | Wheeler Operating Corporation | WalkerWildcat | PluggedGas | 2,500 | Feb 13, 2006 | 1 | — |
| Robinson #142-471-30327 | — | Walker | Plugged | 3,000 | Jan 13, 2006 | 1 | — |
| Quinn at el #1__42-471-30326 | — | Walker | Plugged | 7,000 | Jan 9, 2006 | 1 | — |
| Sam Houston East #342-471-30324 | Small R.P. Corp. | WalkerWildcat | PluggedGas | 4,000 | Dec 6, 2005 | 1 | — |
| Przyborski #1__42-471-30323 | — | Walker | Plugged | 5,200 | Nov 22, 2005 | 1 | — |
| Gibbs Gas Unit #142-471-30304 | Prime Operating Company | WalkerWolfsbane (Yegua) | PluggedGas | 3,000 | Nov 15, 2005 | 2 | Jan 2004 |
| Stiernberg - Tow #1HHZ42-471-30274 | Buffco Production Inc. | WalkerGiddings (Austin Chalk Gas) | PluggedGas | 15,700 | Nov 7, 2005 | 2 | Mar 2015 |
| Rundall Trust Unit #142-471-30322 | Cobra Oil & Gas Corporation | WalkerMaple Branch (Yegua) | PluggedGas | 5,000 | Oct 28, 2005 | 1 | Jul 2008 |
| Godwin #142-471-30317 | — | WalkerHawthorne, NE (Yegua) | Plugged | 5,000 | Sep 9, 2005 | 1 | — |
| Pdo McDaniel #142-471-30316 | Wheeler Operating Corporation | WalkerWildcat | PluggedGas | 5,000 | Jul 6, 2005 | 2 | — |
| Moneywort #142-471-30311 | Prime Operating Company | WalkerBoswell Creek (Frio 3100) | PluggedGas | 3,200 | Jun 9, 2005 | 3 | Nov 2012 |
| Champion International Corp. #342-471-30314 | Houston Petroleum Company | WalkerTrinity | PluggedGas | 4,000 | Apr 1, 2005 | 1 | Jun 2006 |
| Gibbs Bros F #242-471-30214 | Moran Corporation The | WalkerPine Prairie N. (Woodbine) | PluggedGas | 12,214 | Jan 13, 2005 | 3 | — |
| Parker Unit #142-471-30313 | Prime Operating Company | WalkerPrime Parker (Frio 2275) | PluggedGas | 2,900 | Oct 21, 2004 | 2 | Dec 2013 |
| Gibbs Brothers & Company B #6SH42-471-00037 | — | WalkerSam Houston | Plugged | 2,439 | Aug 18, 2004 | 1 | — |
| Gibbs -B- #242-471-00142 | S and B Gauging Services LLC | WalkerSam Houston | PluggedOil | 2,700 | Jul 7, 2004 | 1 | — |
| Pure Resources #142-471-30309 | — | Walker | Plugged | 11,800 | Dec 1, 2003 | 1 | — |
| Clegg Mary T. #142-471-30307 | — | Walker | Plugged | 3,000 | Aug 14, 2003 | 1 | — |