| Briscoe-Nunley a #1HHZ42-479-40889 | Proline Energy Resources Inc | WebbHawkville (Eagleford Shale) | ActiveGas | 13,355 | Apr 27, 2010 | 2 | Aug 2026 |
| Brask Ranch #2842-479-39894 | Proline Energy Resources Inc | WebbGold River North (Olmos) | ActiveGas | 5,600 | Jul 18, 2007 | 1 | Aug 2026 |
| Brask State 1846 #842-479-39848 | Proline Energy Resources Inc | WebbGold River North (Olmos) | Temporarily abandonedGas | 5,500 | May 25, 2007 | 2 | Dec 2025 |
| Brask Ranch #2642-479-39667 | Proline Energy Resources Inc | WebbGold River North (Olmos) | ActiveGas | 5,550 | Sep 28, 2006 | 1 | Aug 2026 |
| Brask State 1846 #742-479-39646 | Proline Energy Resources Inc | WebbGold River North (Olmos) | ActiveGas | 5,500 | Sep 19, 2006 | 1 | Aug 2026 |
| Rachal #442-479-39604 | Proline Energy Resources Inc | WebbOwen (Olmos) | ActiveGas | 7,650 | Aug 1, 2006 | 1 | Aug 2026 |
| Rachal #642-479-39599 | Proline Energy Resources Inc | WebbOwen (Olmos) | ActiveGas | 7,700 | Jul 25, 2006 | 1 | Aug 2026 |
| Rachal #342-479-39370 | Proline Energy Resources Inc | WebbOwen (Olmos) | ActiveGas | 7,750 | Dec 28, 2005 | 1 | Aug 2026 |
| Rachal #242-479-39355 | Proline Energy Resources Inc | WebbOwen (Olmos) | ActiveGas | 7,700 | Dec 13, 2005 | 1 | Aug 2026 |
| Brask State 1840 #842-479-39031 | Proline Energy Resources Inc | WebbGold River North (Olmos) | Temporarily abandonedGas | 5,650 | Feb 23, 2005 | 2 | Feb 2022 |
| Brask State 1840 #1142-479-38960 | Proline Energy Resources Inc | WebbGold River North (Olmos) | Temporarily abandonedGas | 5,536 | Feb 4, 2005 | 3 | Dec 2025 |
| Brask Ranch #1142-479-38961 | Proline Energy Resources Inc | WebbGold River North (Olmos) | PluggedGas | 5,700 | Jan 28, 2005 | 3 | Feb 2017 |
| Brask Ranch #1342-479-38951 | Proline Energy Resources Inc | WebbGold River North (Olmos) | ActiveGas | 5,650 | Dec 28, 2004 | 1 | Aug 2026 |
| Rachal #142-479-38925 | Proline Energy Resources Inc | WebbOwen (Olmos) | ActiveGas | 7,770 | Nov 22, 2004 | 2 | Aug 2026 |
| Brask Ranch #1242-479-38909 | Proline Energy Resources Inc | WebbGold River North (Olmos) | Temporarily abandonedGas | 5,620 | Nov 3, 2004 | 1 | Dec 2025 |
| Frost Trust -17- #142-479-38812 | Proline Energy Resources Inc | WebbShockacon (Wilcox 6700) | ActiveGas | 7,003 | Aug 2, 2004 | 1 | Aug 2026 |
| Brask Ranch #1942-479-38780 | Proline Energy Resources Inc | WebbGold River North (Olmos) | ActiveGas | 5,825 | Jul 8, 2004 | 1 | Aug 2026 |
| Brask State 1846 #442-479-38222 | Proline Energy Resources Inc | WebbGold River North (Olmos) | Temporarily abandonedGas | 5,296 | Jun 23, 2004 | 3 | Jun 2026 |
| Brask Ranch #2442-479-38769 | Proline Energy Resources Inc | WebbGold River North (Olmos) | Temporarily abandonedGas | 5,789 | Jun 21, 2004 | 1 | Sep 2012 |
| Frost Trust 29 #142-479-38668 | Proline Energy Resources Inc | WebbShockacon (Wilcox 6700) | ActiveGas | 7,000 | Mar 23, 2004 | 1 | Aug 2026 |
| Brask Ranch #1042-479-38447 | Proline Energy Resources Inc | WebbGold River North (Olmos) | ActiveGas | 5,700 | Jun 11, 2003 | 1 | Aug 2026 |
| Brask State 1840 #542-479-38440 | Proline Energy Resources Inc | WebbGold River North (Olmos) | Temporarily abandonedGas | 5,750 | Jun 6, 2003 | 1 | Jul 2006 |
| Brask Ranch #8R42-479-38435 | Proline Energy Resources Inc | WebbGold River North (Olmos) | Temporarily abandonedGas | 5,685 | May 29, 2003 | 1 | Mar 2005 |
| Brask Ranch #142-479-38407 | Proline Energy Resources Inc | WebbGold River North (Olmos) | ActiveGas | 5,560 | Apr 28, 2003 | 1 | Aug 2026 |
| Brask Ranch #942-479-38382 | Proline Energy Resources Inc | WebbGold River North (Olmos) | Temporarily abandonedGas | 5,625 | Apr 2, 2003 | 1 | Oct 2005 |
| Brask State 1846 #542-479-38335 | Proline Energy Resources Inc | WebbGold River North (Olmos) | ActiveGas | 5,330 | Feb 19, 2003 | 1 | Aug 2026 |
| Webb County School Board #1142-479-38328 | Proline Energy Resources Inc | WebbMancho Prado (L-1) | Temporarily abandonedGas | 8,350 | Feb 11, 2003 | 1 | Jun 2026 |
| Brask State 1840S #442-479-38320 | Proline Energy Resources Inc | WebbGold River North (Olmos) | Temporarily abandonedGas | 5,670 | Feb 5, 2003 | 1 | Sep 2010 |
| Brask State Unit #642-479-38288 | Proline Energy Resources Inc | WebbGold River North (Olmos) | ActiveGas | 5,350 | Dec 30, 2002 | 1 | Aug 2026 |
| Brask State 1846 #242-479-38277 | Proline Energy Resources Inc | WebbGold River North (Olmos) | Temporarily abandonedGas | 5,500 | Dec 5, 2002 | 1 | Dec 2024 |
| Brask State 1840S #342-479-38265 | Proline Energy Resources Inc | WebbGold River North (Olmos) | Temporarily abandonedGas | 5,550 | Nov 19, 2002 | 1 | Dec 2025 |
| Brask State 1840 #242-479-38261 | Proline Energy Resources Inc | WebbGold River North (Olmos) | ActiveGas | 5,500 | Nov 13, 2002 | 1 | Aug 2026 |
| Brask Ranch #242-479-38245 | Proline Energy Resources Inc | WebbGold River North (Olmos) | ActiveGas | 5,450 | Oct 31, 2002 | 1 | Aug 2026 |
| Brask Ranch #442-479-38197 | Proline Energy Resources Inc | WebbGold River North (Olmos) | ActiveGas | 5,490 | Aug 23, 2002 | 2 | Aug 2026 |
| Brask State 1840 #142-479-38176 | Proline Energy Resources Inc | WebbGold River North (Olmos) | ActiveGas | 5,457 | Jul 30, 2002 | 1 | Aug 2026 |
| Brask State 1846 #342-479-38159 | Proline Energy Resources Inc | WebbGold River North (Olmos) | Temporarily abandonedGas | 5,280 | Jul 9, 2002 | 1 | Jul 2006 |
| Brask Ranch #742-479-38149 | Proline Energy Resources Inc | WebbGold River North (Olmos) | Temporarily abandonedGas | 5,725 | Jun 26, 2002 | 1 | Aug 2005 |
| Brask Ranch #542-479-38111 | Proline Energy Resources Inc | WebbGold River North (Olmos) | ActiveGas | 5,650 | May 13, 2002 | 1 | Aug 2026 |
| Brask Ranch #342-479-38103 | Proline Energy Resources Inc | WebbGold River North (Olmos) | ActiveGas | 5,449 | May 1, 2002 | 1 | Aug 2026 |
| Brask State 1846 #142-479-38067 | Proline Energy Resources Inc | WebbGold River North (Olmos) | ActiveGas | 5,425 | Mar 7, 2002 | 1 | Aug 2026 |
| Webb County School Board #142-479-32542 | Proline Energy Resources Inc | WebbMancho Prado (Wilcox Lo. 7050) | ActiveGas | 9,366 | Feb 22, 1999 | 2 | Dec 2024 |
| Webb County School Board #242-479-32837 | Proline Energy Resources Inc | WebbMancho Prado (L-1) | ActiveGas | 9,200 | Dec 10, 1998 | 2 | Dec 2024 |
| Despain E. A. #142-479-36523 | Proline Energy Resources Inc | WebbShockacon (Wilcox 6700) | ActiveGas | 6,900 | Jun 28, 1996 | 1 | Aug 2026 |
| Frost Trust #742-479-36255 | Proline Energy Resources Inc | WebbShockacon (Wilcox 6700) | ActiveGas | 7,032 | Jan 23, 1995 | 2 | Aug 2026 |
| Webb County School Board #1042-479-36146 | Proline Energy Resources Inc | WebbBig Cowboy (Lobo) | Temporarily abandonedGas | 9,000 | Jul 20, 1994 | 1 | Jul 2025 |
| Frost Trust #642-479-36142 | Proline Energy Resources Inc | WebbShockacon (Wilcox 6700) | ActiveGas | 7,690 | Jul 15, 1994 | 1 | Aug 2026 |
| Olmitos Ranch #1342-479-34519 | Proline Energy Resources Inc | WebbVaquillas Ranch (Lobo Cons.) | Temporarily abandonedGas | 9,200 | May 13, 1987 | 1 | Feb 2025 |
| Olmitos Ranch #742-479-33716 | Proline Energy Resources Inc | WebbVaquillas Ranch (Lobo Cons.) | Temporarily abandonedGas | 9,350 | Oct 4, 1983 | 1 | Dec 2025 |
| Olmitos Ranch #842-479-33718 | Proline Energy Resources Inc | WebbVaquillas Ranch (Lobo Cons.) | Temporarily abandonedGas | 9,000 | Oct 4, 1983 | 1 | Feb 2025 |
| Olmitos Ranch #242-479-33239 | Proline Energy Resources Inc | WebbVaquillas Ranch (Lobo Cons.) | Temporarily abandonedGas | 9,100 | Jan 5, 1982 | 1 | Feb 2025 |