| Partlow Oil Unit #5 #142-291-05178 | Crawford Hughes Operating Co. | Liberty, TXHardin (Y-9) | PluggedOil | 8,617 | May 7, 2012 | — | — |
| HNH GU #1HZ42-285-33441 | Crawford Hughes Operating Co. | Lavaca, TXHallettsville (8750) | PluggedGas | 16,000 | Jun 24, 2011 | — | — |
| E.M. Hermes (S)#1 #1R42-285-32696 | Crawford Hughes Operating Co. | Lavaca, TXSt. John the Baptizer (WX) | PluggedGas | 12,500 | Jun 17, 2011 | — | — |
| E. Hermes #142-285-33573 | Crawford Hughes Operating Co. | Lavaca, TXHallettsville (8750) | PluggedGas | 9,800 | May 28, 2010 | — | — |
| Hawkins Unit #142-321-32146 | Crawford Hughes Operating Co. | Matagorda, TXSargent South (4900) | PluggedGas | 7,000 | Mar 23, 2010 | — | — |
| Vieman Unit #142-039-32948 | Crawford Hughes Operating Co. | Brazoria, TXManor Lake (10 200) | PluggedGas | 10,300 | Sep 9, 2008 | — | — |
| Buffum & Benning #542-291-32699 | Crawford Hughes Operating Co. | Liberty, TXWildcat | PluggedGas | 9,000 | Apr 2, 2007 | — | — |
| Hahn Unit #1HZ42-477-30861 | Crawford Hughes Operating Co. | Washington, TXGiddings (Austin Chalk Gas) | PluggedGas | 16,500 | Mar 31, 2006 | — | — |
| Will-Kirk #142-199-32953 | Crawford Hughes Operating Co. | Hardin, TXWilly-K (Y-3) | PluggedOil | 10,000 | Nov 1, 2005 | — | — |
| Buffum & Benning #442-291-32629 | Crawford Hughes Operating Co. | Liberty, TXHardin N. (McMurtry-Seg A) | PluggedGas | 7,652 | Oct 28, 2005 | — | — |
| Kirkpatrick et al #142-199-32952 | Crawford Hughes Operating Co. | Hardin, TXYonajosa SW. (MY-1) | Not on scheduleGas | 10,000 | Jan 5, 2005 | — | — |
| Wilbeck #142-481-34715 | Crawford Hughes Operating Co. | Wharton, TXKainer (Yegua 6450) | PluggedGas | 10,000 | Nov 19, 2004 | — | — |
| Elliott #142-481-34713 | Crawford Hughes Operating Co. | Wharton, TXKainer (Frio 4490) | PluggedGas | 4,900 | Nov 15, 2004 | — | — |
| Kuester #142-123-31983 | Crawford Hughes Operating Co. | De Witt, TXTerryville W. (Yegua 5200) | PluggedGas | 6,000 | Jul 15, 2004 | — | — |
| Smolik - Schorre #142-255-31481 | Crawford Hughes Operating Co. | Karnes, TXRunge West (Luling) | PluggedOil | 6,800 | Sep 19, 2003 | — | — |
| Wessendorf #542-255-31480 | Crawford Hughes Operating Co. | Karnes, TXWessendorf (Luling) | PluggedGas | 6,900 | Sep 3, 2003 | — | — |
| Wessendorf #342-255-31462 | Crawford Hughes Operating Co. | Karnes, TXWessendorf (Luling) | PluggedGas | 6,400 | Apr 28, 2003 | — | — |
| Wessendorf #242-255-31459 | Crawford Hughes Operating Co. | Karnes, TXWessendorf (Luling) | PluggedGas | 6,500 | Mar 25, 2003 | — | — |
| Wessendorf #1 C42-255-31457 | Crawford Hughes Operating Co. | Karnes, TXWessendorf (Reklaw) | PluggedOil | 6,500 | Feb 19, 2003 | — | — |
| Gaubatz-Fojt Unit #1HZ42-051-33362 | Crawford Hughes Operating Co. | Burleson, TXClay NE (Austin Chalk 11350) | PluggedGas | 15,100 | Jul 16, 2002 | — | — |
| Moore Robert #2D42-041-30590 | Crawford Hughes Operating Co. | Brazos, TXClay NE (Austin Chalk 11350) | PluggedGas | 7,000 | Jul 3, 2002 | — | — |
| Martin R. B #1HZ42-477-30903 | Crawford Hughes Operating Co. | Washington, TXNavasota River (Cretaceous Lwr.) | PluggedGas | 14,000 | Jun 26, 2001 | — | — |
| Williams 522 #142-199-32840 | Crawford Hughes Operating Co. | Hardin, TXYonajosa West | PluggedOil | 10,500 | Apr 25, 2001 | — | — |
| Lawrence #1HZ42-041-31591 | Crawford Hughes Operating Co. | Brazos, TXGiddings (Buda) | PluggedOil | 11,400 | Apr 17, 2001 | — | — |
| Martin a #1HZ42-477-30775 | Crawford Hughes Operating Co. | Washington, TXNavasota River (Cretaceous Lwr.) | PluggedGas | 14,000 | Apr 11, 2001 | — | — |
| Graham Unit #1HZ42-477-30890 | Crawford Hughes Operating Co. | Washington, TXNavasota River (Cretaceous Lwr.) | PluggedGas | 14,100 | Mar 12, 2001 | — | — |
| Defresne Unit #1HZ42-477-30816 | Crawford Hughes Operating Co. | Washington, TXGiddings (Austin Chalk-3) | PluggedOil | 15,270 | Jan 22, 1999 | — | — |
| Palmer-Metcalf #842-467-30947 | Crawford Hughes Operating Co. | Van Zandt, TXVan West (Rodessa -A-) | PluggedOil | 7,500 | Sep 23, 1997 | — | — |
| Terrell #4HZ42-041-31151 | Crawford Hughes Operating Co. | Brazos, TXGiddings (Austin Chalk Gas) | PluggedGas | 15,000 | Nov 15, 1996 | — | — |
| Palmer-Metcalf #342-467-30913 | Crawford Hughes Operating Co. | Van Zandt, TXVan West (Glen Rose FB-B) | PluggedOil | 5,900 | Jul 22, 1994 | — | — |
| Shaughnessy-McFarlane Unit #1HZ42-041-31645 | Crawford Hughes Operating Co. | Brazos, TXGiddings (Austin Chalk Gas) | PluggedGas | 14,600 | Jun 8, 1992 | — | — |
| Clay Gas Unit No. 3 #142-477-30497 | Crawford Hughes Operating Co. | Washington, TXJerry S Quarters (A C 11900) | PluggedGas | 12,600 | Mar 15, 1988 | — | — |
| Clay Gas Unit No. 2 #142-477-30474 | Crawford Hughes Operating Co. | Washington, TXJerry S Quarters (A C 11900) | PluggedGas | 12,600 | Apr 2, 1986 | — | — |
| T M & K #142-291-31871 | Crawford Hughes Operating Co. | Liberty, TXHardin | PluggedOil | 8,600 | Feb 6, 1985 | — | — |
| Daniel #142-291-31640 | Crawford Hughes Operating Co. | Liberty, TXHardin (Y-13B) | PluggedOil | 9,000 | Jul 20, 1984 | — | — |
| Richardson J.F. #1 D42-291-02281 | Crawford Hughes Operating Co. | Liberty, TXHardin | PluggedOil | 8,517 | May 17, 1983 | — | — |
| Tri #3 L42-039-03773 | Crawford Hughes Operating Co. | Brazoria, TXManor Lake (Frio 9900) | PluggedGas | — | — | — | — |
| Humphreys K. V. H. #142-291-02360 | Crawford Hughes Operating Co. | Liberty, TXHardin | PluggedOil | — | — | — | — |
| Humphreys K. V. H. #1D42-291-02364 | Crawford Hughes Operating Co. | Liberty, TXHardin | PluggedOil | — | — | — | — |
| Davis Wirt Estate #1 T42-291-02403 | Crawford Hughes Operating Co. | Liberty, TXHardin SW. (Cook Mountain #1) | PluggedOil | — | — | — | — |
| Davis Wirt Estate #3D42-291-02405 | Crawford Hughes Operating Co. | Liberty, TXHardin SW. (Cook Mountain #1) | PluggedOil | — | — | — | — |
| Crim #242-467-30116 | Crawford Hughes Operating Co. | Van Zandt, TXVan West (Woodbine) | PluggedOil | — | — | — | — |