| Yturria #4042-489-31181 | Texas Oil and Gas Operating LLC | WillacyLa Sara E. (7940) | Shut inOil | 8,050 | Jul 17, 2007 | 1 | May 2019 |
| Yturria #16RR42-489-31180 | Texas Oil and Gas Operating LLC | WillacyLa Sara NW. (3000) | Shut inOil | 3,110 | Jul 16, 2007 | 1 | Jul 2010 |
| Lefner et al GU #242-489-31178 | Dewbre Petroleum Corporation | WillacyChile Vieja (Frio) | PluggedGas | 12,000 | Jul 3, 2007 | 1 | Aug 2022 |
| Vaughan Ben #242-489-31177 | XTO Energy Inc. | WillacyTordilla (M-50) | PluggedGas | 14,500 | Jun 8, 2007 | 1 | Apr 2012 |
| Schmelzer Unit #142-489-31132 | Hughes Dan A. Company L.P. | WillacyEl Sauz Ranch (6960) | PluggedOil | 8,000 | May 30, 2007 | 2 | Feb 2016 |
| Lewer #142-489-31175 | — | Willacy | Plugged | 13,300 | May 11, 2007 | 1 | — |
| Vaughan Ben #142-489-31174 | XTO Energy Inc. | WillacyTordilla (M-50) | PluggedGas | 14,200 | Apr 26, 2007 | 1 | Sep 2011 |
| Kleberg R J Jr TR Stillman #10542-489-30965 | EOG Resources Inc. | WillacyTordilla (Deep Cons.) | PluggedGas | 12,300 | Apr 14, 2007 | 2 | Jul 2017 |
| Yturria #13RR42-489-31173 | Texas Oil and Gas Operating LLC | WillacyLa Sara NW. (3000) | Shut inOil | 3,500 | Mar 23, 2007 | 1 | Jul 2010 |
| Ames et al GU #3__42-489-31172 | — | Willacy | Plugged | 14,000 | Mar 8, 2007 | 1 | — |
| Yturria a #342-489-31171 | Sue-Ann Operating L.C. | WillacyRaymondville (Consolidated) | PluggedGas | 4,750 | Mar 6, 2007 | 1 | Sep 2008 |
| Kleberg R J Jr TR Stillman #8542-489-30928 | EOG Resources Inc. | WillacyTordilla (Deep Cons.) | PluggedGas | 15,500 | Feb 7, 2007 | 3 | Nov 2019 |
| Yturria #t 842-489-31168 | — | Willacy | Plugged | 8,000 | Feb 6, 2007 | 1 | — |
| Yturria H. #402242-489-31169 | Apollo Petro Fuels LLC | WillacyRaymondville (Consolidated) | Shut inOil | 8,800 | Feb 6, 2007 | 1 | Jan 2025 |
| Pinnell H P #142-489-31167 | — | Willacy | Plugged | 6,500 | Jan 11, 2007 | 1 | — |
| Yturria H. #402042-489-31166 | Apollo Petro Fuels LLC | WillacyRaymondville (Consolidated) | Temporarily abandonedGas | 9,190 | Jan 9, 2007 | 1 | Oct 2020 |
| Yturria H. #402442-489-31165 | Apollo Petro Fuels LLC | WillacyRaymondville (Consolidated) | ActiveGas | 9,050 | Dec 7, 2006 | 1 | Feb 2023 |
| Rio Farms a Gas Unit #142-489-31164 | OXY USA Inc. | WillacyHargill (Frio Cons.) | PluggedGas | 11,950 | Nov 22, 2006 | 2 | Nov 2012 |
| Yturria #4RR42-489-31162 | Risco la Sara Operations LLC | WillacyLa Sara (4300) | PluggedGas | 6,800 | Oct 25, 2006 | 1 | Mar 2007 |
| Yturria #3242-489-31161 | Texas Oil and Gas Operating LLC | WillacyLa Sara (No. 24 Sd.) | ActiveOil | 8,001 | Oct 20, 2006 | 1 | Oct 2025 |
| Yturria H. #402142-489-31163 | Apollo Petro Fuels LLC | WillacyRaymondville (Consolidated) | Temporarily abandonedGas | 8,829 | Oct 19, 2006 | 2 | Jul 2020 |
| Grimes #142-489-31160 | Suemaur Expl. & Prod. LLC | WillacyChile Vieja (Frio) | PluggedGas | 17,000 | Oct 16, 2006 | 1 | Nov 2007 |
| Rio Farms #142-489-31159 | Pogo Producing Company LLC | WillacyHargill (Frio Cons.) | PluggedGas | 11,800 | Oct 3, 2006 | 1 | Jun 2010 |
| Lefner et al GU #142-489-31158 | Suemaur Expl. & Prod. LLC | WillacyChile Vieja (Frio) | PluggedGas | 12,000 | Sep 15, 2006 | 1 | Jun 2016 |
| Pinnell H.P. #1__42-489-31157 | — | Willacy | Plugged | 4,000 | Aug 21, 2006 | 1 | — |
| Petru V. A. #142-489-31069 | Petrovybe Opco LLC | WillacyLa Sal Vieja (Frio L) | ActiveGas | 15,000 | Aug 14, 2006 | 2 | Aug 2026 |
| Petru V. A. #742-489-31156 | XTO Energy Inc. | WillacyLa Sal Vieja (Deep) | PluggedGas | 15,300 | Aug 11, 2006 | 1 | Oct 2010 |
| Gas Unit a Zone 1 #342-489-30613 | Proline Energy Resources Inc | WillacyLa Sal Vieja (1 7688-7827) | Temporarily abandonedGas | 10,010 | Jul 31, 2006 | 5 | Oct 2018 |
| Corbett #142-489-31154 | El Paso E & P Company L. P. | WillacyLa Sara NE (6675) | PluggedGas | 16,500 | Jul 19, 2006 | 3 | Nov 2008 |
| Ames et al GU #242-489-31155 | Dewbre Petroleum Corporation | WillacyChile Vieja (Frio) | ActiveGas | 11,750 | Jul 19, 2006 | 1 | Aug 2026 |
| H P Pinnell Unit a #142-489-31151 | Fortune Operating Company | WillacyTenerias (7920) | Not on schedule | 10,500 | Jul 11, 2006 | 1 | — |
| H P Pinnell Unit B #142-489-31152 | Fortune Operating Company | WillacyTenerias (7920) | Not on schedule | 10,500 | Jul 11, 2006 | 1 | — |
| H P Pinnell Unit C #142-489-31153 | Fortune Operating Company | WillacyTenerias (7920) | Not on schedule | 10,000 | Jul 11, 2006 | 1 | — |
| Parham #1A42-489-31150 | Cimarron Engineering LLC | WillacyWillamar (4500) | PluggedGas | 6,500 | May 24, 2006 | 2 | Nov 2009 |
| Yturria #3442-489-31149 | Texas Oil and Gas Operating LLC | WillacyLa Sara (5500) | Shut inOil | 7,558 | May 22, 2006 | 1 | Sep 2014 |
| Bondy GU #142-489-31148 | Dewbre Petroleum Corporation | WillacyChile Vieja (Frio Deep) | ActiveGas | 16,680 | May 11, 2006 | 1 | Aug 2026 |
| Yturria B #3__42-489-31145 | — | WillacyRaymondville (Consolidated) | Plugged | 6,200 | Apr 26, 2006 | 1 | — |
| Yturria a #242-489-31146 | Sue-Ann Operating L.C. | WillacyRaymondville (Consolidated) | PluggedGas | 4,600 | Apr 26, 2006 | 1 | Feb 2010 |
| Yturria #142-489-31144 | Sue-Ann Operating L.C. | WillacyRaymondville (Consolidated) | PluggedGas | 4,850 | Apr 25, 2006 | 1 | Oct 2007 |
| Yturria H. #402342-489-31143 | Apollo Petro Fuels LLC | WillacyRaymondville (Consolidated) | Temporarily abandonedGas | 8,200 | Apr 24, 2006 | 1 | Oct 2020 |
| Yturria #6RR42-489-31135 | Blakenergy Operating, LLC | Willacy | Not on schedule | 7,000 | Apr 6, 2006 | 1 | — |
| Prospect Co. et al GU #1__42-489-31142 | — | Willacy | Plugged | 12,500 | Mar 31, 2006 | 1 | — |
| Stone Westside #142-489-31140 | Dewbre Petroleum Corporation | WillacyArroyo Colorado (E-5) | PluggedGas | 4,500 | Mar 15, 2006 | 1 | — |
| Yturria #t 1A_42-489-31139 | — | Willacy | Plugged | 10,500 | Mar 9, 2006 | 1 | — |
| Yturria H. #401942-489-31138 | Apollo Petro Fuels LLC | WillacyRaymondville (Consolidated) | Temporarily abandonedGas | 9,704 | Feb 23, 2006 | 1 | Dec 2024 |
| Ames G.U. #142-489-31137 | Dewbre Petroleum Corporation | WillacyChile Vieja (Frio) | ActiveGas | 11,400 | Feb 16, 2006 | 1 | Aug 2026 |
| Yturria RR #10RR42-489-31136 | Texas Oil and Gas Operating LLC | WillacyLa Sara (3460 Sand) | Shut inOil | 4,810 | Feb 10, 2006 | 1 | Oct 2016 |
| Yturria #8RR42-489-31134 | Blakenergy Operating, LLC | WillacyLa Sara (3830) | Not on schedule | 4,200 | Feb 1, 2006 | 1 | — |
| Rhodes Land Trust #142-489-31131 | — | Willacy | Plugged | 16,000 | Dec 14, 2005 | 1 | — |
| Pinnell #142-489-31130 | — | Willacy | Plugged | 9,600 | Nov 9, 2005 | 1 | — |