| Husky-GKT B #1HHZ42-297-36562 | Mueller Exploration, Inc.permit operator | Live Oak, TXSugarkane (Eagle Ford) | Drilled | 15,000 | Feb 19, 2026 | — | — |
| Husky-GKT C #1HHZ42-297-36563 | Mueller Exploration, Inc.permit operator | Live Oak, TXSugarkane (Eagle Ford) | Drilled | 15,000 | Feb 19, 2026 | — | — |
| Alberto Alaniz #1R42-427-34821 | Mueller Exploration Inc. | Starr, TXArroyo Grande (Queen City) | Shut inGas | 4,122 | Jan 5, 2026 | — | — |
| Hubert-Johnson #1HHZ42-297-36537 | Mueller Exploration Inc. | Live Oak, TXSugarkane (Eagle Ford) | ActiveGas | 13,972 | Sep 19, 2025 | — | — |
| Alberto Alaniz #142-427-34820 | Mueller Exploration, Inc.permit operator | Starr, TX | Drilled | 4,500 | Sep 2, 2025 | — | — |
| Husky-GKT a #1HHZ42-297-36536 | Mueller Exploration Inc. | Live Oak, TXSugarkane (Eagle Ford) | ActiveGas | 14,066 | Aug 29, 2025 | — | — |
| Hubert-Taggart a #1HHZ42-297-36393 | Mueller Exploration Inc. | Live Oak, TXSugarkane (Eagle Ford) | ActiveGas | 14,037 | Sep 28, 2023 | — | — |
| Hubert-Taggart B #2HHZ42-297-36394 | Mueller Exploration Inc. | Live Oak, TXSugarkane (Eagle Ford) | ActiveGas | 14,058 | Sep 28, 2023 | — | — |
| Tytex #142-071-32624 | Mueller Exploration Inc. | Chambers, TXWillow Slough N.(nodosaria 9500) | PluggedOil | 9,750 | Jun 14, 2018 | — | — |
| GKT-Collins EF Unit #1HHZ42-297-35923 | Mueller Exploration Inc. | Live Oak, TXSugarkane (Eagle Ford) | ActiveGas | 14,204 | Apr 23, 2018 | — | — |
| GKT-Map EF Unit #2HHZ42-297-35919 | Mueller Exploration Inc. | Live Oak, TXSugarkane (Eagle Ford) | ActiveGas | 13,520 | Apr 3, 2018 | — | — |
| GKT-Map EF Unit #1HHZ42-297-35897 | Mueller Exploration Inc. | Live Oak, TXSugarkane (Eagle Ford) | ActiveGas | 14,003 | Sep 26, 2017 | — | — |
| Perry #242-039-33296 | Mueller Exploration Inc. | Brazoria, TXAllen Dome | PluggedGas | 7,000 | Apr 25, 2017 | — | — |
| Northington Unit 2 #142-481-35396 | Mueller Exploration Inc. | Wharton, TXNorthington Lake (Wilcox) | ActiveGas | 12,004 | Jan 27, 2016 | — | — |
| Ward #142-039-33256 | Mueller Exploration Inc. | Brazoria, TXAllen Dome | PluggedGas | 5,200 | Jan 15, 2015 | — | — |
| Rivers et al GU #242-481-35347 | Mueller Exploration Inc. | Wharton, TXPickett Ridge N. (Yegua DY) | PluggedGas | 9,000 | Jul 24, 2014 | — | — |
| Holcomb Ranch #1HHZ42-197-31709 | Mueller Exploration Inc. | Hardeman, TXQuanah South (Chappel) | PluggedOil | 12,166 | May 28, 2014 | — | — |
| Grant #142-213-31046 | Mueller Exploration Inc. | Henderson, TXWildcat | PluggedOil | 5,500 | Nov 22, 2013 | — | — |
| Stout #2HHZ42-163-33634 | Mueller Exploration Inc. | Frio, TXPearsall (Buda S.) | Shut inOil | 7,095 | Aug 7, 2012 | — | — |
| Corbin #2HHZ42-163-33599 | Mueller Exploration Inc. | Frio, TXPearsall (Buda S.) | PluggedOil | 12,000 | May 18, 2012 | — | — |
| Victor #142-001-32710 | Mueller Exploration Inc. | Anderson, TXAnwac (1300 Wilcox) | PluggedOil | 5,500 | May 8, 2012 | — | — |
| Hubbard John #142-057-31783 | Mueller Exploration Inc. | Calhoun, TXMagnolia Beach (Foester) | PluggedGas | 9,000 | Apr 28, 2012 | — | — |
| Lang #1HHZ42-507-32875 | Mueller Exploration Inc. | Zavala, TXPearsall (Buda S.) | ActiveOil | 7,202 | Mar 14, 2012 | — | — |
| BP America Production Co. #142-199-33315 | Mueller Exploration Inc. | Hardin, TXSour Lake E. (Yegua Lower) | PluggedGas | 11,100 | Aug 5, 2011 | — | — |
| Brundrett Eagle Unit #1HHZ42-163-33493 | Mueller Exploration Inc. | Frio, TXBriscoe Ranch (Eagleford) | Shut inOil | 7,222 | Jul 8, 2011 | — | — |
| Rally Petroleum #1HHZ42-163-32960 | Mueller Exploration Inc. | Frio, TXPearsall (Austin Chalk) | PluggedOil | 11,300 | May 9, 2011 | — | — |
| Grossie #1HHZ42-163-33463 | Mueller Exploration Inc. | Frio, TXPearsall (Austin Chalk) | PluggedOil | 7,157 | Mar 30, 2011 | — | — |
| Garcia Heirs #242-427-34545 | Mueller Exploration Inc. | Starr, TXLa Coyota (Queen City) | ActiveGas | 7,600 | Mar 15, 2011 | — | — |
| Rally Eagle #1HHZ42-163-33445 | Mueller Exploration Inc. | Frio, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,981 | Feb 1, 2011 | — | — |
| Rally Petroleum #4HHZ42-163-33441 | Mueller Exploration Inc. | Frio, TXPearsall (Austin Chalk) | Shut inOil | 6,946 | Dec 30, 2010 | — | — |
| Saenz a #142-131-39163 | Mueller Exploration Inc. | Duval, TXAlpha (2200) | PluggedGas | 6,200 | Oct 6, 2010 | — | — |
| Rally Petroleum #3HHZ42-163-33422 | Mueller Exploration Inc. | Frio, TXPearsall (Austin Chalk) | PluggedOil | 6,641 | Aug 6, 2010 | — | — |
| Kincaid #1HHZ42-163-33417 | Mueller Exploration Inc. | Frio, TXPearsall (Austin Chalk) | PluggedOil | 6,922 | Jun 18, 2010 | — | — |
| Stout #1HHZ42-163-33414 | Mueller Exploration Inc. | Frio, TXPearsall (Austin Chalk) | PluggedOil | 6,942 | Jun 10, 2010 | — | — |
| Corbin #1HHZ42-163-33407 | Mueller Exploration Inc. | Frio, TXPearsall (Austin Chalk) | PluggedOil | 6,930 | Feb 25, 2010 | — | — |
| Curtis Foester #142-057-31768 | Mueller Exploration Inc. | Calhoun, TXMagnolia Beach (Melbourne) | ActiveOil | 9,551 | Feb 2, 2010 | — | — |
| Garcia Heirs #142-427-34451 | Mueller Exploration Inc. | Starr, TXLa Coyota (Queen City) | ActiveGas | 7,823 | Feb 27, 2009 | — | — |
| Curtis Foester #242-057-31775 | Mueller Exploration Inc. | Calhoun, TXMagnolia Beach (8700) | PluggedGas | 10,000 | Nov 25, 2008 | — | — |
| Ammann Heirs Unit #142-481-35020 | Mueller Exploration Inc. | Wharton, TXNew Taiton (Meek) | PluggedGas | 12,500 | Aug 12, 2008 | — | — |
| Rally #2HHZ42-163-33064 | Mueller Exploration Inc. | Frio, TXPearsall (Austin Chalk) | PluggedOil | 11,087 | May 13, 2008 | — | — |
| Putnam-Lange #142-481-34710 | Mueller Exploration Inc. | Wharton, TXPorter S Creek (Yegua) | PluggedGas | 9,990 | Nov 9, 2004 | — | — |
| B & M Farms #142-481-34658 | Mueller Exploration Inc. | Wharton, TXLouise (Frio 5100) | PluggedGas | 5,600 | Jun 14, 2004 | — | — |
| Beaurline. A. W. #1942-215-33081 | Mueller Exploration Inc. | Hidalgo, TXMcAllen Ranch (Vksbg L-V N Cons | ActiveGas | 12,176 | Feb 10, 2003 | — | — |
| Janysek Gas Unit #142-409-32718 | Mueller Exploration Inc. | San Patricio, TXMorgan NW. (Sinton) | PluggedOil | 6,700 | Oct 16, 2002 | — | — |
| Bialek #142-123-31897 | Mueller Exploration Inc. | De Witt, TXHelen Gohlke (1650) | PluggedGas | 5,700 | Sep 11, 2002 | — | — |
| Baass Gas Unit #142-285-00276 | Mueller Exploration Inc. | Lavaca, TXSpeaks (10000 Wilcox) | PluggedGas | 11,134 | Jun 6, 2001 | — | — |
| Castellow E. #142-285-32888 | Mueller Exploration Inc. | Lavaca, TXJoseph P. Mueller (Will) | PluggedGas | 3,100 | May 14, 2001 | — | — |
| Castellow E. #242-285-32889 | Mueller Exploration Inc. | Lavaca, TXJoseph P. Mueller (Will) | PluggedGas | 3,100 | May 14, 2001 | — | — |
| Bludau Gas Unit #142-285-32883 | Mueller Exploration Inc. | Lavaca, TXJoseph P. Mueller (Kerri) | PluggedGas | 2,658 | May 10, 2001 | — | — |
| Kocian #242-285-32761 | Mueller Exploration Inc. | Lavaca, TXJoseph P. Mueller (Lawrence) | PluggedGas | 1,500 | Nov 16, 1999 | — | — |