| Tany #142-077-00505 | Schlachter David A. | Clay, TXBryant (Simpson) | Not on scheduleOil | 3,100 | Dec 30, 1988 | — | — |
| Galloway #142-499-31516 | Schlachter David A. | Wood, TXCoke West (Hill) | PluggedOil | 14,500 | Nov 24, 1986 | — | — |
| Foster D. #242-499-31186 | Schlachter David A. | Wood, TXTami (Sub-Clarksville) | PluggedOil | 4,500 | Aug 8, 1983 | — | — |
| Williams E. #242-423-30497 | Schlachter David A. | Smith, TXChapel Hill E. (Paluxy 5600) | PluggedOil | 5,950 | Dec 29, 1981 | — | — |
| Hattie Morgan #142-499-30938 | Schlachter David A. | Wood, TXTami (Sub-Clarksville) | PluggedOil | 4,400 | Feb 12, 1981 | — | — |
| Speck Ed -a- #1 A42-095-30517 | Schlachter David A. | Concho, TXSpeck North (Strawn) | PluggedOil | 3,850 | Dec 31, 1980 | — | — |
| Cowden a #242-135-33094 | Schlachter David A. | Ector, TXDonnelly (San Andres) | PluggedOil | 4,500 | Dec 12, 1978 | — | — |
| Dorsey N. R. #142-401-80115 | Schlachter David A. | Rusk, TXHenderson (Rusk Co. Pettit) | PluggedOil | 7,306 | Sep 15, 1978 | — | — |
| Cowden a #142-135-32934 | Schlachter David A. | Ector, TXDonnelly (San Andres) | PluggedOil | 4,500 | Feb 17, 1978 | — | — |
| Chandler L.H. #1 X42-365-30595 | Schlachter David A. | Panola, TXBethany (Travis Peak) | PluggedGas | 6,500 | Jul 15, 1977 | — | — |
| Edwards -a- #142-077-00506 | Schlachter David A. | Clay, TXBryant (Simpson) | Not on scheduleOil | — | — | — | — |
| Edwards -a- #242-077-80795 | Schlachter David A. | Clay, TXBryant (Simpson) | Not on scheduleOil | — | — | — | — |
| Watkins L. G. #142-095-00270 | Schlachter David A. | Concho, TXSpeck North (Strawn) | Not on scheduleOil | — | — | — | — |
| Watkins L. G. #242-095-00271 | Schlachter David A. | Concho, TXSpeck North (Strawn) | Not on scheduleOil | — | — | — | — |
| Barfknecht M. F. #142-095-00273 | Schlachter David A. | Concho, TXSpeck North (Strawn) | PluggedOil | — | — | — | — |
| Speck Ed -a- #142-095-10045 | Schlachter David A. | Concho, TXSpeck (Jennings) | PluggedOil | — | — | — | — |
| Speck Ed -a- #342-095-10047 | Schlachter David A. | Concho, TXSpeck (Jennings) | Not on scheduleOil | — | — | — | — |
| Speck Ed -a- #442-095-10049 | Schlachter David A. | Concho, TXSpeck (Jennings) | PluggedOil | — | — | — | — |
| Speck Ed -a- #642-095-10051 | Schlachter David A. | Concho, TXSpeck North (Strawn) | Not on scheduleOil | — | — | — | — |
| Watkins L. G. #342-095-10054 | Schlachter David A. | Concho, TXSpeck North (Strawn) | Not on scheduleOil | — | — | — | — |
| Watkins L. G. #442-095-10055 | Schlachter David A. | Concho, TXSpeck North (Strawn) | Not on scheduleOil | — | — | — | — |
| Watkins L. G. #542-095-10056 | Schlachter David A. | Concho, TXSpeck North (Strawn) | Not on scheduleOil | — | — | — | — |
| Kitchens A. E. -B- #242-095-10202 | Schlachter David A. | Concho, TXSpeck North (Strawn) | Not on scheduleGas | — | — | — | — |
| Speck Ed -a- #742-095-10223 | Schlachter David A. | Concho, TXSpeck (Jennings) | Not on scheduleOil | — | — | — | — |
| Thomas J. L. #242-097-01999 | Schlachter David A. | Cooke, TXIndian Springs (Oil Creek) | Not on scheduleOil | — | — | — | — |
| Thomas J. L. #142-097-02000 | Schlachter David A. | Cooke, TXIndian Springs (Oil Creek) | Not on scheduleOil | — | — | — | — |
| Cowden -K- #142-135-02909 | Schlachter David A. | Ector, TXDonnelly (San Andres) | Not on scheduleOil | — | — | — | — |
| Cowden -K- #242-135-02910 | Schlachter David A. | Ector, TXDonnelly (San Andres) | PluggedOil | — | — | — | — |
| Cowden -K- #342-135-02911 | Schlachter David A. | Ector, TXDonnelly (San Andres) | Not on scheduleOil | — | — | — | — |
| Johnson G. E. #142-155-00198 | Schlachter David A. | Foard, TXCrowell North (Des Moines) | PluggedOil | — | — | — | — |
| Johnson G. E. #242-155-00199 | Schlachter David A. | Foard, TXCrowell North (Des Moines) | Not on scheduleOil | — | — | — | — |
| Johnson G. E. #342-155-00206 | Schlachter David A. | Foard, TXCrowell North (Des Moines) | Not on scheduleOil | — | — | — | — |
| Beverly Tom #142-155-00270 | Schlachter David A. | Foard, TXCrowell North (Des Moines) | Not on scheduleOil | — | — | — | — |
| 242-181-00993 | Schlachter David A. | Grayson, TXSadler (5970 Sand) | Not on scheduleOil | — | — | — | — |
| 542-181-01167 | Schlachter David A. | Grayson, TXSadler (Penn. 6575) | Not on scheduleOil | — | — | — | — |
| Ohagan Chas. #142-181-01484 | Schlachter David A. | Grayson, TXOhagan (Davis Lower) | PluggedOil | — | — | — | — |
| Ohagan Chas. #242-181-80177 | Schlachter David A. | Grayson, TXOhagan (Davis Lower) | PluggedOil | — | — | — | — |
| Huff J. G. #942-181-80184 | Schlachter David A. | Grayson, TXSadler (Huff Sand) | PluggedOil | — | — | — | — |
| 142-181-80876 | Schlachter David A. | Grayson, TXSandusky West (Dornick Hills) | Not on scheduleOil | — | — | — | — |
| Whitehurst A. M. #142-223-00345 | Schlachter David A. | Hopkins, TXReilly Springs (Coker) | Not on scheduleOil | — | — | — | — |
| Davis M. #142-263-30023 | Schlachter David A. | Kent, TXM. Davis (Strawn) | Not on scheduleOil | — | — | — | — |
| Moorhead Eloise Wheat -a- #142-301-00806 | Schlachter David A. | Loving, TXWheat | Not on scheduleOil | — | — | — | — |
| 142-301-80047 | Schlachter David A. | Loving, TXWheat | Not on scheduleOil | — | — | — | — |
| 242-301-80048 | Schlachter David A. | Loving, TXWheat | Not on scheduleOil | — | — | — | — |
| 242-301-80073 | Schlachter David A. | Loving, TXWheat | Not on scheduleOil | — | — | — | — |
| McCall C. #142-337-00678 | Schlachter David A. | Montague, TXJaydee (Conglomerate 2ND) | PluggedOil | — | — | — | — |
| 142-401-00408 | Schlachter David A. | Rusk, TXHenderson (Rusk Co. Pettit) | PluggedGas | — | — | — | — |
| Dorsey C. C. #242-401-80068 | Schlachter David A. | Rusk, TXHenderson (Rusk Co. Pettit) | PluggedOil | — | — | — | — |
| 1 U42-449-00729 | Schlachter David A. | Titus, TXTrix-Liz (Sub-Clarksville) | Not on scheduleOil | — | — | — | — |
| Williams Sam #142-449-00782 | Schlachter David A. | Titus, TXTrix-Liz (Woodbine -D-) | PluggedOil | — | — | — | — |