| Panther Hollow #29HZ42-163-30642 | Oryx Energy Company | Frio, TXPearsall (Austin Chalk) | PluggedOil | 6,252 | Dec 5, 1991 | — | — |
| White Estate -a- #942-071-31134 | Oryx Energy Company | Chambers, TXWillow Slough (4890) | PluggedGas | 14,500 | Nov 12, 1991 | — | — |
| Panther Hollow #28HZ42-163-32445 | Oryx Energy Company | Frio, TXPearsall (Austin Chalk) | PluggedOil | 7,000 | Nov 6, 1991 | — | — |
| Panther Hollow #21HZ42-163-31711 | Oryx Energy Company | Frio, TXPearsall (Austin Chalk) | PluggedOil | 7,200 | Oct 23, 1991 | — | — |
| Champion A.A. #242-427-32142 | Oryx Energy Company | Starr, TXFrost North (Vicksburg 7100) | PluggedGas | 9,800 | Sep 26, 1991 | — | — |
| W. F. Hayden et al Unit #2HZ42-127-33035 | Oryx Energy Company | Dimmit, TXPearsall (Austin Chalk) | PluggedOil | 6,900 | Sep 24, 1991 | — | — |
| Panther Hollow #14HZ42-163-31458 | Oryx Energy Company | Frio, TXPearsall (Austin Chalk) | PluggedOil | 7,100 | Sep 19, 1991 | — | — |
| Hill M. J. -18- #2142-495-05435 | Oryx Energy Company | Winkler, TXHalley (Glorieta) | PluggedOil | 5,419 | Jun 10, 1991 | — | — |
| Jones E. B. -a- #2HZ42-507-32418 | Oryx Energy Company | Zavala, TXPearsall (Austin Chalk) | PluggedOil | 13,500 | Jun 7, 1991 | — | — |
| Mobil Fee #5HZ42-283-31444 | Oryx Energy Company | La Salle, TXPearsall (Austin Chalk) | PluggedOil | 11,100 | Jun 6, 1991 | — | — |
| Needmore Ranch #1HZ42-127-33024 | Oryx Energy Company | Dimmit, TXPearsall (Austin Chalk) | PluggedOil | 10,500 | Jun 5, 1991 | — | — |
| Panther Hollow #33HZ42-163-33068 | Oryx Energy Company | Frio, TXPearsall (Austin Chalk) | PluggedOil | 10,300 | May 15, 1991 | — | — |
| Walker J.B. #642-081-01454 | Oryx Energy Company | Coke, TXJameson (Strawn) | PluggedOil | 6,600 | Apr 30, 1991 | — | — |
| Slick Est. -C- #1042-427-32270 | Oryx Energy Company | Starr, TXBorosa E. (7830 Vicksburg) | PluggedGas | 11,300 | Jan 16, 1991 | — | — |
| Panther Hollow #36HZ42-163-32970 | Oryx Energy Company | Frio, TXPearsall (Austin Chalk) | PluggedOil | 10,400 | Jan 4, 1991 | — | — |
| Panther Hollow #34HZ42-163-32971 | Oryx Energy Company | Frio, TXPearsall (Austin Chalk) | PluggedOil | 10,700 | Jan 4, 1991 | — | — |
| Slick Est. -C- #942-427-32213 | Oryx Energy Company | Starr, TXBorosa E. (7540 Vicksburg) | PluggedGas | 9,050 | Dec 31, 1990 | — | — |
| Panther Hollow #38HZ42-163-32886 | Oryx Energy Company | Frio, TXPearsall (Austin Chalk) | PluggedOil | 10,550 | Oct 18, 1990 | — | — |
| Panther Hollow #43HZ42-163-32827 | Oryx Energy Company | Frio, TXPearsall (Austin Chalk) | PluggedOil | 11,700 | Aug 31, 1990 | — | — |
| Hunter Q. O. #3HZ42-283-31337 | Oryx Energy Company | La Salle, TXPearsall (Austin Chalk) | PluggedOil | 11,700 | Jul 17, 1990 | — | — |
| Nicholson J. H. #2HZ42-163-32745 | Oryx Energy Company | Frio, TXPearsall (Austin Chalk) | PluggedOil | 10,000 | Jun 7, 1990 | — | — |
| Canales A.T. #6342-249-31905 | Oryx Energy Company | Jim Wells, TXTijerina-Canales-Blucher ( 8500) | PluggedGas | 8,900 | May 25, 1990 | — | — |
| Frost Natl. Bank Ind. Ex. -B- #3442-427-31319 | Oryx Energy Company | Starr, TXGarcia (Solis) | PluggedGas | 4,400 | May 22, 1990 | — | — |
| Jameson H.H. #142-081-01260 | Oryx Energy Company | Coke, TXJameson (Strawn) | PluggedGas | 6,462 | Apr 23, 1990 | — | — |
| Chapotal Land Co. B #2142-427-31631 | Oryx Energy Company | Starr, TXBraulia EAST(3810 Frio) | PluggedGas | 10,000 | Apr 5, 1990 | — | — |
| Walker J. B. #542-081-01452 | Oryx Energy Company | Coke, TXJameson (Strawn) | PluggedGas | 6,272 | Mar 28, 1990 | — | — |
| Seeligson Unit #0104BT42-249-02887 | Oryx Energy Company | Jim Wells, TXSeeligson (Zone 17-05) | PluggedGas | 5,720 | Mar 28, 1990 | — | — |
| De Garza C. L. #2142-427-00549 | Oryx Energy Company | Starr, TXSun North (F-3 Sand Seg 2) | PluggedOil | 6,702 | Mar 28, 1990 | — | — |
| Coates Geo. H. #1442-427-31942 | Oryx Energy Company | Starr, TXRincon North (Vicksburg) | PluggedOil | 6,600 | Feb 16, 1990 | — | — |
| Speer Geo. H. #2042-427-00727 | Oryx Energy Company | Starr, TXSun (F-3-D) | PluggedGas | 5,302 | Feb 1, 1990 | — | — |
| Montalvo I.V. -C- #4442-427-31782 | Oryx Energy Company | Starr, TXSun N. (DX-D Seg B) | PluggedGas | 6,800 | Jan 9, 1990 | — | — |
| Slick Estate -C- #542-427-31949 | Oryx Energy Company | Starr, TXBorosa NW. (Vicksburg 8350) | PluggedGas | 11,200 | Jan 8, 1990 | — | — |
| Smith Clara C. #542-071-31822 | Oryx Energy Company | Chambers, TXFig Ridge (F-1A) | PluggedOil | 9,100 | Nov 30, 1989 | — | — |
| Jordan Ranch M #1HZ42-353-32121 | Oryx Energy Company | Nolan, TXSuggs (Ellenburger) | PluggedOil | 9,000 | Oct 31, 1989 | — | — |
| De Garcia B. G. #3842-427-31706 | Oryx Energy Company | Starr, TXGarcia (Miller -C-) | PluggedOil | 4,400 | Oct 20, 1989 | — | — |
| Walker R. W. #442-081-01467 | Oryx Energy Company | Coke, TXJameson (Strawn) | PluggedOil | 6,315 | Sep 27, 1989 | — | — |
| Akin Field Unit #91442-429-35163 | Oryx Energy Company | Stephens, TXStephens County Regular | PluggedOil | 4,000 | Sep 18, 1989 | — | — |
| Rodriguez S. #2 U42-427-00477 | Oryx Energy Company | Starr, TXKelsey South (5580) | PluggedGas | 8,006 | Sep 12, 1989 | — | — |
| Panther Hollow #30HZ42-163-32582 | Oryx Energy Company | Frio, TXPearsall (Austin Chalk) | PluggedOil | 9,500 | Sep 7, 1989 | — | — |
| Jones E.B. -D- #3HZ42-507-32261 | Oryx Energy Company | Zavala, TXPearsall (Austin Chalk) | PluggedOil | 9,500 | Aug 29, 1989 | — | — |
| Canales P. #12042-249-03791 | Oryx Energy Company | Jim Wells, TXSeeligson (Zone 21-G-02) | PluggedGas | 8,500 | Aug 21, 1989 | — | — |
| Garcia L. & L. -a- #642-427-04033 | Oryx Energy Company | Starr, TXGarcia (Frost -B- SE.) | PluggedOil | 4,600 | Jul 19, 1989 | — | — |
| Panther Hollow #22HZ42-163-32188 | Oryx Energy Company | Frio, TXPearsall (Austin Chalk) | PluggedOil | 8,000 | Jul 10, 1989 | — | — |
| Panther Hollow #11HZ42-163-32207 | Oryx Energy Company | Frio, TXPearsall (Austin Chalk) | PluggedOil | 7,200 | Jun 13, 1989 | — | — |
| Canales A.T. #2642-273-01719 | Oryx Energy Company | Kleberg, TXTijerina-Canales-Blucher (8520) | PluggedGas | 9,082 | Jun 2, 1989 | — | — |
| Hall J.F. - State #1742-427-01264 | Oryx Energy Company | Starr, TXRincon North (Rincon B-4) | PluggedGas | 8,504 | Jun 2, 1989 | — | — |
| Brown-Altman /Acct. #6/ #642-495-05619 | Oryx Energy Company | Winkler, TXEmperor (Devonian) | PluggedGas | 11,482 | May 3, 1989 | — | — |
| Speer Geo. H. St. -B- #2242-427-04777 | Oryx Energy Company | Starr, TXSun (5310) | PluggedOil | 5,386 | Apr 27, 1989 | — | — |
| Speer George H. State -B- #1742-427-00999 | Oryx Energy Company | Starr, TXSun (6550 Vicksburg) | PluggedGas | 6,996 | Mar 16, 1989 | — | — |
| Seeligson Unit #4381 U42-273-01466 | Oryx Energy Company | Kleberg, TXSeeligson (Zone 17-05) | PluggedGas | 6,751 | Mar 15, 1989 | — | — |