| Union Central Life Ins. Co. #8 T42-355-05361 | Union Pacific Resources Company | Nueces, TXStratton (Consolidated) | PluggedGas | 5,715 | Apr 17, 2001 | — | — |
| Dees Unit #1HZ42-287-32369 | Union Pacific Resources Company | Lee, TXGiddings (North Edwards) | PluggedGas | 20,000 | Sep 2, 1998 | — | — |
| Schkade-Paseur Unit #1HZ42-149-32507 | Union Pacific Resources Company | Fayette, TXWildcat | PluggedOil | 14,500 | Feb 25, 1998 | — | — |
| Hielscher-White #1HZ42-287-31647 | Union Pacific Resources Company | Lee, TXGiddings (Austin Chalk-3) | PluggedOil | 9,000 | Oct 30, 1997 | — | — |
| Thornhill Unit #1HZ42-477-30852 | Union Pacific Resources Company | Washington, TXGiddings (Austin Chalk-3) | PluggedOil | 15,000 | Sep 15, 1997 | — | — |
| Brown-Ely Unit #1HZ42-331-33482 | Union Pacific Resources Company | Milam, TXGiddings (Buda) | PluggedOil | 6,500 | Jun 5, 1997 | — | — |
| The Pines Inc.-Karisch Unit #1HZ42-149-32486 | Union Pacific Resources Company | Fayette, TXGiddings (Austin Chalk-3) | PluggedOil | 15,000 | Jan 22, 1997 | — | — |
| Arco Fee Unit a-15 #1HZ42-241-30633 | Union Pacific Resources Company | Jasper, TXBrookeland (Austin Chalk 8800) | PluggedGas | 12,300 | Dec 17, 1996 | — | — |
| Texaco a #1REHZ42-351-30528 | Union Pacific Resources Company | Newton, TXBrookeland (Austin Chalk 8800) | PluggedOil | 12,821 | Oct 16, 1996 | — | — |
| Wardner G.P. #207 F42-273-32140 | Union Pacific Resources Company | Kleberg, TXStratton (Consolidated) | PluggedGas | 8,600 | Oct 10, 1996 | — | — |
| Yellow Rose Unit #1HZ42-041-31889 | Union Pacific Resources Company | Brazos, TXGiddings (Austin Chalk-3) | PluggedOil | 7,700 | Sep 30, 1996 | — | — |
| Clegg Eloise #106142-105-30199 | Union Pacific Resources Company | Crockett, TXLita (Clear Fork) | PluggedGas | 7,000 | Sep 6, 1996 | — | — |
| Arco Fee a-259 #2HZ42-241-30626 | Union Pacific Resources Company | Jasper, TXBrookeland (Austin Chalk 8800) | PluggedGas | 11,500 | Aug 29, 1996 | — | — |
| Low T. A. Unit #1HZ42-477-30746 | Union Pacific Resources Company | Washington, TXGiddings (Austin Chalk Gas) | PluggedGas | 19,038 | Aug 27, 1996 | — | — |
| Clegg 84 #208442-105-30223 | Union Pacific Resources Company | Crockett, TXOzona (Canyon Sand) | PluggedGas | 7,090 | Aug 1, 1996 | — | — |
| Deerfield Unit #2HZ42-041-31566 | Union Pacific Resources Company | Brazos, TXKurten (Georgetown) | PluggedGas | 10,700 | Jun 19, 1996 | — | — |
| Briscoe #1HZ42-127-33088 | Union Pacific Resources Company | Dimmit, TXPearsall (Austin Chalk) | PluggedOil | 8,300 | May 20, 1996 | — | — |
| Ingram Donald #542-355-04829 | Union Pacific Resources Company | Nueces, TXAgua Dulce (Consolidated Frio) | PluggedGas | 6,945 | May 13, 1996 | — | — |
| Poellnitz-Poellnitz Unit #1HZ42-185-30431 | Union Pacific Resources Company | Grimes, TXHill (Buda) | PluggedGas | 14,000 | Feb 14, 1996 | — | — |
| Newton #142-287-31089 | Union Pacific Resources Company | Lee, TXGiddings (Austin Chalk-3) | PluggedOil | 9,600 | Sep 29, 1995 | — | — |
| Elliff J.S. et al #37 D42-355-32699 | Union Pacific Resources Company | Nueces, TXStratton (Consolidated) | PluggedGas | 8,575 | Sep 5, 1995 | — | — |
| Blackstone Minerals a-140 #1HZ42-351-30636 | Union Pacific Resources Company | Newton, TXBrookeland (Austin Chalk 8800) | PluggedGas | 13,800 | Aug 9, 1995 | — | — |
| Hobbs Unit #1HHZ42-351-30632 | Union Pacific Resources Company | Newton, TXBrookeland (Austin Chalk 8800) | PluggedOil | 11,700 | Jul 10, 1995 | — | — |
| Hackemack Unit #1HZ42-149-32975 | Union Pacific Resources Company | Fayette, TXGiddings (Austin Chalk Gas) | PluggedGas | 13,200 | May 5, 1995 | — | — |
| Trifecta Unit #1HZ42-051-33467 | Union Pacific Resources Company | Burleson, TXGiddings (Austin Chalk-3) | PluggedOil | 11,500 | Mar 20, 1995 | — | — |
| W.R.B. #142-033-31606 | Union Pacific Resources Company | Borden, TXPancho-Mag SW. (Canyon Reef) | PluggedOil | 8,200 | Feb 10, 1995 | — | — |
| Kurz #1HZ42-041-31525 | Union Pacific Resources Company | Brazos, TXGiddings (Austin Chalk-3) | PluggedOil | 9,500 | Jan 18, 1995 | — | — |
| Bay #1HHZ42-185-30487 | Union Pacific Resources Company | Grimes, TXGiddings (Austin Chalk Gas) | PluggedGas | 15,500 | Dec 15, 1994 | — | — |
| Tillery Estates #142-395-30316 | Union Pacific Resources Company | Robertson, TXGiddings (Austin Chalk-3) | PluggedOil | 8,100 | Dec 7, 1994 | — | — |
| Clegg 83 #442-105-36695 | Union Pacific Resources Company | Crockett, TXOzona (Canyon Sand) | PluggedGas | 7,500 | Oct 28, 1994 | — | — |
| Arco Fee a-249 #1HZ42-241-30575 | Union Pacific Resources Company | Jasper, TXBrookeland (Austin Chalk 8800) | PluggedOil | 16,850 | Jul 14, 1994 | — | — |
| Gossett #142-401-32552 | Union Pacific Resources Company | Rusk, TXWildcat | PluggedGas | 10,775 | Jun 20, 1994 | — | — |
| Richardson Unit #1HZ42-477-30742 | Union Pacific Resources Company | Washington, TXGiddings (Austin Chalk Gas) | PluggedGas | 12,400 | Jun 9, 1994 | — | — |
| Williams Unit a-539 #1HZ42-241-30568 | Union Pacific Resources Company | Jasper, TXBrookeland (Austin Chalk 8800) | PluggedGas | 13,800 | May 10, 1994 | — | — |
| Temple-Industries 2-H #2 HHZ42-241-30566 | Union Pacific Resources Company | Jasper, TXBrookeland (Austin Chalk 8800) | PluggedOil | 13,737 | Apr 22, 1994 | — | — |
| Cgu 20 #1042-365-32979 | Union Pacific Resources Company | Panola, TXCarthage (Cotton Valley) | PluggedGas | 9,900 | Apr 13, 1994 | — | — |
| Wardner G. P. #199-D42-355-32769 | Union Pacific Resources Company | Nueces, TXStratton (Consolidated) | PluggedGas | 8,350 | Mar 30, 1994 | — | — |
| Salpetro-Penicka Unit #1HZ42-041-31510 | Union Pacific Resources Company | Brazos, TXGiddings (Buda) | PluggedOil | 11,200 | Mar 25, 1994 | — | — |
| Bigon #1HHZ42-287-31237 | Union Pacific Resources Company | Lee, TXGiddings (Austin Chalk-3) | PluggedOil | 8,790 | Mar 2, 1994 | — | — |
| Scamardo Morris #2HZ42-051-33137 | Union Pacific Resources Company | Burleson, TXGiddings (Buda) | PluggedOil | 12,250 | Feb 24, 1994 | — | — |
| Circle N Dairy #1HZ42-187-33428 | Union Pacific Resources Company | Guadalupe, TXLa Vernia West (Austin Chalk) | PluggedOil | 3,000 | Dec 8, 1993 | — | — |
| Ammansville O.L. Unit #1HZ42-149-32838 | Union Pacific Resources Company | Fayette, TXGiddings (Austin Chalk-3) | PluggedOil | 12,300 | Nov 30, 1993 | — | — |
| Perkins a-29 #1HZ42-457-30475 | Union Pacific Resources Company | Tyler, TXBrookeland (Austin Chalk 8800) | PluggedGas | 14,600 | Nov 30, 1993 | — | — |
| Lehmann-Clements Unit #1HZ42-149-32628 | Union Pacific Resources Company | Fayette, TXGiddings (Austin Chalk-3) | PluggedOil | 13,800 | Nov 16, 1993 | — | — |
| Livingston Unit #1HZ42-287-31520 | Union Pacific Resources Company | Lee, TXGiddings (Austin Chalk-3) | PluggedOil | 9,800 | Oct 13, 1993 | — | — |
| Kistner-Hass OL Unit #1HZ42-149-32817 | Union Pacific Resources Company | Fayette, TXGiddings (Austin Chalk-3) | PluggedOil | 10,900 | Oct 8, 1993 | — | — |
| Tiger Unit #1HZ42-051-33400 | Union Pacific Resources Company | Burleson, TXGiddings (Austin Chalk-3) | PluggedOil | 9,000 | Sep 30, 1993 | — | — |
| Outlaw Unit #1HZ42-163-32072 | Union Pacific Resources Company | Frio, TXPearsall (Austin Chalk) | PluggedOil | 7,500 | Sep 15, 1993 | — | — |
| Avant-Garcia Unit #1HZ42-163-33164 | Union Pacific Resources Company | Frio, TXPearsall (Austin Chalk) | PluggedOil | 8,000 | Aug 30, 1993 | — | — |
| Woodyard-Cargill Unit #1HZ42-041-31755 | Union Pacific Resources Company | Brazos, TXGiddings (Austin Chalk-3) | PluggedOil | 12,800 | Jul 6, 1993 | — | — |