| Arco Fee Unit a-228 #1HZ42-351-30583 | Enervest Operating L.L.C. | NewtonBrookeland (Austin Chalk 8800) | PluggedGas | 10,603 | Dec 14, 1993 | 2 | Nov 2001 |
| Akin-Foxfire Unit #1HZ42-041-31795 | Enervest Operating L.L.C. | BrazosGiddings (Austin Chalk-3) | PluggedOil | 14,516 | Dec 9, 1993 | 3 | Jun 2013 |
| University -DJ- R/a -a- #342-003-35086 | Enervest Operating L.L.C. | AndrewsUniversity Block 9 (Wolfcamp) | PluggedOil | 9,800 | Nov 22, 1993 | 2 | Feb 2016 |
| University -DJ- R/a -a- #542-003-36732 | Enervest Operating L.L.C. | AndrewsUniversity Block 9 (Wolfcamp) | PluggedOil | 9,417 | Nov 19, 1993 | 2 | Feb 2016 |
| University -DJ- R/a -a- #742-003-37018 | Enervest Operating L.L.C. | AndrewsUniversity Block 9 (Wolfcamp) | PluggedOil | 9,670 | Nov 15, 1993 | 2 | Feb 2016 |
| Freeman-Creagor Unit #1HZ42-041-31791 | Enervest Operating L.L.C. | BrazosGiddings (Austin Chalk-3) | PluggedOil | 11,000 | Nov 15, 1993 | 1 | Dec 2012 |
| University -DJ- R/a -a- #642-003-36731 | Enervest Operating L.L.C. | AndrewsUniversity Block 9 (Wolfcamp) | PluggedOil | 9,417 | Nov 12, 1993 | 2 | Feb 2016 |
| Falkenberg BH Unit #4HHZ42-287-32398 | Enervest Operating L.L.C. | LeeGiddings (Austin Chalk Gas) | PluggedGas | 10,000 | Oct 28, 1993 | 3 | Dec 2013 |
| Janda-Amarado #1HZ42-149-32705 | Enervest Operating L.L.C. | FayetteGiddings (Austin Chalk-3) | PluggedOil | 11,025 | Sep 30, 1993 | 5 | Feb 2009 |
| Ritchey #1HZ42-041-31777 | Enervest Operating L.L.C. | BrazosGiddings (Austin Chalk-3) | PluggedOil | 14,089 | Sep 21, 1993 | 2 | Jun 2013 |
| Falkenberg B H Unit #2HHZ42-287-31399 | Enervest Operating L.L.C. | LeeGiddings (Austin Chalk Gas) | PluggedGas | 10,000 | Sep 17, 1993 | 4 | Nov 2014 |
| Brown #1HZ42-149-32811 | Enervest Operating L.L.C. | FayetteGiddings (Austin Chalk-3) | PluggedOil | 11,120 | Sep 13, 1993 | 2 | Aug 2005 |
| Lake-Smith Unit #1HZ42-041-31756 | Enervest Operating L.L.C. | BrazosGiddings (Austin Chalk Gas) | PluggedGas | 11,500 | Jul 14, 1993 | 1 | Nov 2012 |
| Patricia-O.L. Unit #1HZ42-149-31727 | Enervest Operating L.L.C. | FayetteGiddings (Austin Chalk Gas) | PluggedGas | 12,000 | Jul 14, 1993 | 3 | Sep 2010 |
| Tison-Geudry Unit #1HZ42-041-31754 | Enervest Operating L.L.C. | BrazosGiddings (Austin Chalk Gas) | PluggedGas | 12,000 | Jun 29, 1993 | 1 | Oct 2007 |
| Garth Bates Oil Unit #1HZ42-149-32488 | Enervest Operating L.L.C. | FayetteGiddings (Austin Chalk-3) | PluggedOil | 13,000 | May 10, 1993 | 4 | Feb 2015 |
| Boriskie-Diversified Unit #1HZ42-041-31746 | Enervest Operating L.L.C. | BrazosGiddings (Austin Chalk-3) | PluggedOil | 10,000 | May 7, 1993 | 2 | Jan 2011 |
| Nan C #4HZ42-149-32758 | Enervest Operating L.L.C. | FayetteGiddings (Austin Chalk-3) | PluggedOil | 13,000 | May 4, 1993 | 1 | Dec 2010 |
| Hanacek #1HHZ42-149-32622 | Enervest Operating L.L.C. | FayetteGiddings (Austin Chalk-3) | PluggedOil | 12,540 | Apr 12, 1993 | 3 | Aug 2012 |
| Ansell-Stuermer #1HZ42-149-31922 | Enervest Operating L.L.C. | FayetteGiddings (Austin Chalk-3) | PluggedOil | 12,000 | Mar 24, 1993 | 2 | May 2011 |
| Neinast-McMahan Unit #1HZ42-477-30689 | Enervest Operating L.L.C. | WashingtonGiddings (Austin Chalk-3) | PluggedOil | 19,600 | Jan 8, 1993 | 2 | May 2006 |
| Gaubatz-Yegua Unit #1HZ42-051-33355 | Enervest Operating L.L.C. | BurlesonClay NE (Austin Chalk 11350) | PluggedGas | 14,800 | Dec 9, 1992 | 2 | Sep 2008 |
| Walther OL Unit #1HZ42-149-32711 | Enervest Operating L.L.C. | FayetteGiddings (Austin Chalk-3) | PluggedOil | 18,300 | Nov 25, 1992 | 1 | Sep 2011 |
| Bryan-College Station Unit #1HZ42-041-31696 | Enervest Operating L.L.C. | BrazosGiddings (Austin Chalk-3) | PluggedOil | 9,350 | Nov 24, 1992 | 3 | Oct 2009 |
| Koenning-Caldwell Unit #1HZ42-149-32707 | Enervest Operating L.L.C. | FayetteGiddings (Austin Chalk-3) | PluggedOil | 12,800 | Nov 9, 1992 | 1 | May 2013 |
| Cedar Creek a Amarado Unit #1HZ42-149-32700 | Enervest Operating L.L.C. | FayetteGiddings (Austin Chalk-3) | PluggedOil | 11,251 | Oct 21, 1992 | 2 | Jun 2016 |
| Keeland Oil Unit #2HZ42-149-32694 | Enervest Operating L.L.C. | FayetteGiddings (Austin Chalk-3) | PluggedOil | 9,800 | Oct 2, 1992 | 2 | Dec 2008 |
| Vanderstucken 47 #742-435-33915 | Enervest Operating L.L.C. | SuttonSawyer (Canyon) | PluggedGas | 6,175 | Sep 22, 1992 | 1 | Aug 1997 |
| See-Yegua Unit #1HZ42-051-33332 | Enervest Operating L.L.C. | BurlesonClay NE (Austin Chalk 11350) | PluggedGas | 14,900 | Jul 31, 1992 | 1 | Sep 2007 |
| Graham-Graham a Unit #2HZ42-149-32667 | Enervest Operating L.L.C. | FayetteGiddings (Austin Chalk-3) | PluggedOil | 13,900 | Jul 27, 1992 | 2 | Jan 2003 |
| Brown Oil Unit #2 #1HZ42-149-32661 | Enervest Operating L.L.C. | FayetteGiddings (Austin Chalk-3) | PluggedOil | 9,950 | Jul 16, 1992 | 3 | Mar 2008 |
| See-Huggins Unit #1HZ42-051-33325 | Enervest Operating L.L.C. | BurlesonClay NE (Austin Chalk 11350) | PluggedGas | 15,200 | Jun 3, 1992 | 2 | Jun 2012 |
| Dominik-Holligan Unit #1HZ42-041-31599 | Enervest Operating L.L.C. | BrazosGiddings (Austin Chalk-3) | PluggedOil | 13,000 | Mar 11, 1992 | 2 | Sep 2006 |
| Wheeler-Wheeler B Unit #2HZ42-041-31592 | Enervest Operating L.L.C. | BrazosGiddings (Austin Chalk-3) | PluggedOil | 13,700 | Mar 6, 1992 | 3 | Feb 2013 |
| Wheeler B #4HZ42-041-31597 | Enervest Operating L.L.C. | BrazosGiddings (Austin Chalk-3) | PluggedOil | 13,300 | Feb 27, 1992 | 1 | Aug 2003 |
| Canyon Ranch #0151E42-137-31064 | Enervest Operating L.L.C. | EdwardsJack Rabbit (Holman) | PluggedGas | 7,800 | Feb 27, 1992 | 2 | — |
| Brazos Coal Ltd.-Raceway Ut. #1HZ42-041-31586 | Enervest Operating L.L.C. | BrazosGiddings (Austin Chalk-3) | PluggedOil | 15,600 | Feb 7, 1992 | 2 | Jan 2013 |
| Hoefer-Smith Uint #1HZ42-149-32553 | Enervest Operating L.L.C. | FayetteGiddings (Austin Chalk-3) | PluggedOil | 14,800 | Dec 9, 1991 | 2 | Jan 2012 |
| Vela E. #242-247-31970 | Enervest Operating L.L.C. | Jim HoggEl Peyote (Wilcox 12400) | PluggedGas | 13,500 | Dec 9, 1991 | 1 | — |
| Vasek-Vasek Unit #1HZ42-149-32541 | Enervest Operating L.L.C. | FayetteGiddings (Austin Chalk-3) | PluggedOil | 14,000 | Nov 13, 1991 | 1 | Apr 2011 |
| H. L. Terry Unit #1HZ42-041-31548 | Enervest Operating L.L.C. | BrazosGiddings (Austin Chalk-3) | PluggedOil | 15,000 | Oct 28, 1991 | 3 | Jan 2006 |
| Olden-Olden Unit #1HZ42-041-31545 | Enervest Operating L.L.C. | BrazosGiddings (Austin Chalk-3) | PluggedOil | 15,000 | Oct 22, 1991 | 1 | Jan 2013 |
| Lovings-Kruse Unit #1HZ42-477-30680 | Enervest Operating L.L.C. | WashingtonGiddings (Austin Chalk-3) | PluggedOil | 15,200 | Feb 13, 1991 | 2 | Jan 2012 |
| Fenn Ranch #1HZ42-287-30768 | Enervest Operating L.L.C. | LeeGiddings (Austin Chalk-3) | PluggedOil | 8,700 | Sep 14, 1990 | 3 | May 1993 |
| Meta Unit #1HZ42-287-31162 | Enervest Operating L.L.C. | LeeGiddings (Wilcox) | PluggedGas | 9,600 | Sep 13, 1990 | 3 | — |
| Canyon Ranch #1141S42-435-33655 | Enervest Operating L.L.C. | SuttonSawyer (Canyon) | PluggedGas | 6,000 | Jul 19, 1990 | 1 | Jan 2005 |
| Edsel Ranch #242-287-32284 | Enervest Operating L.L.C. | LeeGiddings (Austin Chalk-3) | PluggedOil | 8,500 | Jun 20, 1990 | 1 | Aug 1998 |
| Chadbourne Ranch 431 #242-081-31472 | Enervest Operating L.L.C. | CokeFort Chadbourne | PluggedOil | 5,800 | Mar 29, 1990 | 3 | Jun 2000 |
| Thomas D #142-483-31424 | Enervest Operating L.L.C. | WheelerFrye Ranch (Consolidated) | PluggedGas | 12,500 | Feb 12, 1990 | 1 | Aug 2011 |
| Thomas 3 #30342-483-31417 | Enervest Operating L.L.C. | WheelerFrye Ranch (Consolidated) | PluggedGas | 12,500 | Dec 21, 1989 | 2 | Jun 2013 |