| Union Central Life Ins. Co. #8 T42-355-05361 | Union Pacific Resources Company | NuecesStratton (Consolidated) | PluggedGas | 5,715 | Apr 17, 2001 | 1 | Mar 2001 |
| Dees Unit #1HZ42-287-32369 | Union Pacific Resources Company | LeeGiddings (North Edwards) | PluggedGas | 20,000 | Sep 2, 1998 | 2 | Oct 1998 |
| Lecour Joe L. Jr #1X42-051-31091 | Union Pacific Resources Company | BurlesonGiddings (Austin Chalk-3) | PluggedOil | 8,900 | Aug 13, 1998 | 3 | — |
| Murski Unit #1HZ42-477-30863 | Union Pacific Resources Company | WashingtonGiddings (Austin Chalk-3) | PluggedOil | 15,750 | May 5, 1998 | 1 | — |
| Tooker Unit #1HZ42-477-30862 | Union Pacific Resources Company | WashingtonGiddings (Austin Chalk-3) | PluggedOil | 16,500 | Apr 30, 1998 | 1 | — |
| Riggs 19 #142-105-38118 | Union Pacific Resources Company | CrockettDavidson Ranch (Penn. 7890) | PluggedGas | 10,000 | Apr 8, 1998 | 2 | — |
| Schulz Unit #1HZ42-015-30710 | Union Pacific Resources Company | AustinGiddings (Austin Chalk-3) | PluggedOil | 16,000 | Apr 6, 1998 | 1 | — |
| Schkade-Paseur Unit #1HZ42-149-32507 | Union Pacific Resources Company | FayetteWildcat | PluggedOil | 14,500 | Feb 25, 1998 | 3 | Apr 1997 |
| Ptarmigan Unit #1HZ42-289-31282 | Union Pacific Resources Company | LeonGiddings (Austin Chalk-3) | PluggedOil | 7,000 | Dec 19, 1997 | 1 | — |
| Blue Unit #1HZ42-289-31278 | Union Pacific Resources Company | LeonGiddings (Austin Chalk-3) | PluggedOil | 7,200 | Oct 31, 1997 | 1 | — |
| Hielscher-White #1HZ42-287-31647 | Union Pacific Resources Company | LeeGiddings (Austin Chalk-3) | PluggedOil | 9,000 | Oct 30, 1997 | 3 | Jun 1998 |
| Long Unit #1HZ42-285-32539 | Union Pacific Resources Company | LavacaGiddings (Austin Chalk-1) | PluggedOil | 17,000 | Oct 2, 1997 | 1 | — |
| Thornhill Unit #1HZ42-477-30852 | Union Pacific Resources Company | WashingtonGiddings (Austin Chalk-3) | PluggedOil | 15,000 | Sep 15, 1997 | 1 | May 2000 |
| University 39-19 #1D42-105-37798 | Union Pacific Resources Company | CrockettBlock 39-B (Ellen) | PluggedGas | 8,600 | Jul 29, 1997 | 1 | — |
| Sellers W. S. B #742-355-33092 | Union Pacific Resources Company | NuecesStratton (Consolidated) | PluggedGas | 7,700 | Jul 23, 1997 | 1 | — |
| Powell 6 #1HHZ42-413-32008 | Union Pacific Resources Company | SchleicherTillery Southwest (Strawn) | PluggedGas | 5,000 | Jul 23, 1997 | 1 | — |
| Brown-Ely Unit #1HZ42-331-33482 | Union Pacific Resources Company | MilamGiddings (Buda) | PluggedOil | 6,500 | Jun 5, 1997 | 2 | Jun 2021 |
| West #242-127-33106 | Union Pacific Resources Company | DimmitHugh Fitzsimons (Olmos) | PluggedOil | 4,000 | Apr 2, 1997 | 1 | — |
| West #342-127-33107 | Union Pacific Resources Company | DimmitHugh Fitzsimons (Olmos) | PluggedOil | 4,000 | Apr 2, 1997 | 1 | — |
| The Pines Inc.-Karisch Unit #1HZ42-149-32486 | Union Pacific Resources Company | FayetteGiddings (Austin Chalk-3) | PluggedOil | 15,000 | Jan 22, 1997 | 2 | Jan 1998 |
| Arco Fee Unit a-15 #1HZ42-241-30633 | Union Pacific Resources Company | JasperBrookeland (Austin Chalk 8800) | PluggedGas | 12,300 | Dec 17, 1996 | 2 | Jul 1999 |
| Texaco a #1REHZ42-351-30528 | Union Pacific Resources Company | NewtonBrookeland (Austin Chalk 8800) | PluggedOil | 12,821 | Oct 16, 1996 | 3 | Oct 1994 |
| Wardner G.P. #207 F42-273-32140 | Union Pacific Resources Company | KlebergStratton (Consolidated) | PluggedGas | 8,600 | Oct 10, 1996 | 4 | Jun 1996 |
| Yellow Rose Unit #1HZ42-041-31889 | Union Pacific Resources Company | BrazosGiddings (Austin Chalk-3) | PluggedOil | 7,700 | Sep 30, 1996 | 1 | Sep 1997 |
| Clegg Eloise #106142-105-30199 | Union Pacific Resources Company | CrockettLita (Clear Fork) | PluggedGas | 7,000 | Sep 6, 1996 | 2 | Jul 1994 |
| Arco Fee a-259 #2HZ42-241-30626 | Union Pacific Resources Company | JasperBrookeland (Austin Chalk 8800) | PluggedGas | 11,500 | Aug 29, 1996 | 1 | Mar 1997 |
| Low T. A. Unit #1HZ42-477-30746 | Union Pacific Resources Company | WashingtonGiddings (Austin Chalk Gas) | PluggedGas | 19,038 | Aug 27, 1996 | 4 | Nov 1996 |
| Clegg 84 #208442-105-30223 | Union Pacific Resources Company | CrockettOzona (Canyon Sand) | PluggedGas | 7,090 | Aug 1, 1996 | 1 | May 1996 |
| Housen Bay Unit #1HZ42-403-30424 | Union Pacific Resources Company | SabineBrookeland (Austin Chalk 8800) | PluggedGas | 6,922 | Jul 16, 1996 | 2 | — |
| Deerfield Unit #2HZ42-041-31566 | Union Pacific Resources Company | BrazosKurten (Georgetown) | PluggedGas | 10,700 | Jun 19, 1996 | 5 | May 1998 |
| Briscoe #1HZ42-127-33088 | Union Pacific Resources Company | DimmitPearsall (Austin Chalk) | PluggedOil | 8,300 | May 20, 1996 | 2 | Sep 1996 |
| Ingram Donald #542-355-04829 | Union Pacific Resources Company | NuecesAgua Dulce (Consolidated Frio) | PluggedGas | 6,945 | May 13, 1996 | 2 | Mar 1996 |
| Schatz Unit #1HZ42-477-30820 | Union Pacific Resources Company | WashingtonGiddings (Austin Chalk Gas) | PluggedGas | 15,000 | May 3, 1996 | 2 | — |
| Poellnitz-Poellnitz Unit #1HZ42-185-30431 | Union Pacific Resources Company | GrimesHill (Buda) | PluggedGas | 14,000 | Feb 14, 1996 | 5 | Apr 1996 |
| Olbrich Unit #1HZ42-285-32331 | Union Pacific Resources Company | LavacaWildcat | PluggedOil | 14,000 | Oct 3, 1995 | 3 | — |
| Newton #142-287-31089 | Union Pacific Resources Company | LeeGiddings (Austin Chalk-3) | PluggedOil | 9,600 | Sep 29, 1995 | 2 | Jul 1994 |
| Elliff J.S. et al #37 D42-355-32699 | Union Pacific Resources Company | NuecesStratton (Consolidated) | PluggedGas | 8,575 | Sep 5, 1995 | 5 | Apr 1997 |
| Blackstone Minerals a-140 #1HZ42-351-30636 | Union Pacific Resources Company | NewtonBrookeland (Austin Chalk 8800) | PluggedGas | 13,800 | Aug 9, 1995 | 2 | Oct 1995 |
| Hobbs Unit #1HHZ42-351-30632 | Union Pacific Resources Company | NewtonBrookeland (Austin Chalk 8800) | PluggedOil | 11,700 | Jul 10, 1995 | 2 | Jan 1997 |
| Hackemack Unit #1HZ42-149-32975 | Union Pacific Resources Company | FayetteGiddings (Austin Chalk Gas) | PluggedGas | 13,200 | May 5, 1995 | 2 | Jan 2000 |
| Trifecta Unit #1HZ42-051-33467 | Union Pacific Resources Company | BurlesonGiddings (Austin Chalk-3) | PluggedOil | 11,500 | Mar 20, 1995 | 1 | Dec 1996 |
| W.R.B. #142-033-31606 | Union Pacific Resources Company | BordenPancho-Mag SW. (Canyon Reef) | PluggedOil | 8,200 | Feb 10, 1995 | 2 | Dec 1996 |
| Kurz #1HZ42-041-31525 | Union Pacific Resources Company | BrazosGiddings (Austin Chalk-3) | PluggedOil | 9,500 | Jan 18, 1995 | 3 | Jan 1997 |
| Bay #1HHZ42-185-30487 | Union Pacific Resources Company | GrimesGiddings (Austin Chalk Gas) | PluggedGas | 15,500 | Dec 15, 1994 | 1 | Aug 1995 |
| Tillery Estates #142-395-30316 | Union Pacific Resources Company | RobertsonGiddings (Austin Chalk-3) | PluggedOil | 8,100 | Dec 7, 1994 | 2 | Mar 1997 |
| Clegg 83 #442-105-36695 | Union Pacific Resources Company | CrockettOzona (Canyon Sand) | PluggedGas | 7,500 | Oct 28, 1994 | 1 | Jul 1997 |
| Arco Fee a-249 #1HZ42-241-30575 | Union Pacific Resources Company | JasperBrookeland (Austin Chalk 8800) | PluggedOil | 16,850 | Jul 14, 1994 | 1 | Sep 1996 |
| Fling Point #1HHZ42-403-30374 | Union Pacific Resources Company | SabineBrookeland (Austin Chalk 8800) | PluggedGas | 6,922 | Jun 21, 1994 | 2 | — |
| Gossett #142-401-32552 | Union Pacific Resources Company | RuskWildcat | PluggedGas | 10,775 | Jun 20, 1994 | 1 | Dec 1994 |
| Tauber #1HZ42-041-31822 | Union Pacific Resources Company | BrazosGiddings (Austin Chalk-3) | PluggedOil | 8,100 | Jun 9, 1994 | 1 | — |