| Bloodworth 139 #642-435-33523 | Enervest Operating L.L.C. | Sutton, TXSawyer (Canyon) | PluggedGas | 7,900 | Nov 21, 1989 | — | — |
| Huff Bros 2 #542-483-31415 | Enervest Operating L.L.C. | Wheeler, TXFrye Ranch (Consolidated) | PluggedGas | 12,500 | Nov 16, 1989 | — | — |
| Pfluger 84 #742-435-33492 | Enervest Operating L.L.C. | Sutton, TXSawyer (Canyon) | PluggedGas | 6,000 | Aug 17, 1989 | — | — |
| Britt #202642-483-31398 | Enervest Operating L.L.C. | Wheeler, TXBritt Ranch W. (Granite Wash a ) | PluggedGas | 13,000 | Dec 27, 1988 | — | — |
| Vela Eulalia et al #142-505-32508 | Enervest Operating L.L.C. | Zapata, TXLoma Vieja (Wilcox) | PluggedGas | 16,300 | Dec 8, 1988 | — | — |
| Edsel Ranch #142-287-32233 | Enervest Operating L.L.C. | Lee, TXGiddings (Austin Chalk-3) | PluggedOil | 8,500 | Oct 20, 1988 | — | — |
| May 3 #10342-483-31389 | Enervest Operating L.L.C. | Wheeler, TXWheeler E. (Granite Wash -A-) | PluggedGas | 11,500 | Sep 28, 1988 | — | — |
| Rathjen #20742-483-31370 | Enervest Operating L.L.C. | Wheeler, TXBritt Ranch W. (Granite Wash a ) | PluggedGas | 13,000 | Jun 10, 1988 | — | — |
| Flowers -D- #104142-195-31043 | Enervest Operating L.L.C. | Hansford, TXClementine (Morrow Upper) | PluggedGas | 7,300 | May 24, 1988 | — | — |
| Simmons #10242-483-31352 | Enervest Operating L.L.C. | Wheeler, TXConcannon (Granite Wash) | PluggedGas | 12,200 | Jan 14, 1988 | — | — |
| Thomas 5 #142-483-31353 | Enervest Operating L.L.C. | Wheeler, TXFrye Ranch (Consolidated) | PluggedGas | 12,500 | Jan 6, 1988 | — | — |
| Pawelek Ben #442-255-31194 | Enervest Operating L.L.C. | Karnes, TXPerson (Edwards) | PluggedGas | 11,500 | Dec 7, 1987 | — | — |
| Frye 47 #142-483-30175 | Enervest Operating L.L.C. | Wheeler, TXFrye Ranch (Consolidated) | PluggedGas | 18,000 | Oct 12, 1987 | — | — |
| Saenger Otto #142-287-32116 | Enervest Operating L.L.C. | Lee, TXGiddings (Austin Chalk-3) | PluggedOil | 9,000 | Jul 29, 1987 | — | — |
| Stiles #202542-483-31330 | Enervest Operating L.L.C. | Wheeler, TXStiles Ranch (Granite Wash Cons) | PluggedGas | 12,800 | Jul 28, 1987 | — | — |
| Vanderstucken 65 #542-435-33347 | Enervest Operating L.L.C. | Sutton, TXSawyer (Canyon) | PluggedGas | 5,100 | Jul 17, 1987 | — | — |
| Brennand #1042-115-30164 | Enervest Operating L.L.C. | Dawson, TXMungerville (Pennsylvanian) | PluggedOil | 8,631 | Jun 17, 1987 | — | — |
| McMahan 22 #142-483-31300 | Enervest Operating L.L.C. | Wheeler, TXAllison-Britt (12350) | PluggedGas | 12,500 | Mar 3, 1987 | — | — |
| Cadenhead R. U. #1 C42-401-00882 | Enervest Operating L.L.C. | Rusk, TXShiloh (Pettit Lower) | PluggedOil | 7,704 | Oct 3, 1986 | — | — |
| Puryear #102742-483-31286 | Enervest Operating L.L.C. | Wheeler, TXBritt Ranch W. (Granite Wash a ) | PluggedGas | 12,900 | Sep 23, 1986 | — | — |
| Simon #142-149-32188 | Enervest Operating L.L.C. | Fayette, TXGiddings (Austin Chalk-3) | PluggedOil | 9,500 | Aug 12, 1986 | — | — |
| Britt #102742-483-31274 | Enervest Operating L.L.C. | Wheeler, TXBritt Ranch W. (Granite Wash a ) | PluggedGas | 12,800 | Mar 20, 1986 | — | — |
| Stuermer E.P. B #542-287-31897 | Enervest Operating L.L.C. | Lee, TXGiddings (Austin Chalk-3) | PluggedOil | 9,000 | Dec 30, 1985 | — | — |
| Schultz Irma et al -B- #742-287-31886 | Enervest Operating L.L.C. | Lee, TXGiddings (Austin Chalk-3) | PluggedOil | 9,150 | Dec 5, 1985 | — | — |
| Morriss Bros. Ranch J #11742-435-33280 | Enervest Operating L.L.C. | Sutton, TXWhitehead (Strawn) | PluggedGas | 9,300 | Nov 5, 1985 | — | — |
| Stanley #1 A42-287-31837 | Enervest Operating L.L.C. | Lee, TXGiddings (Austin Chalk-3) | PluggedOil | 10,000 | Aug 6, 1985 | — | — |
| Aldwell Ranch a #6342-435-33213 | Enervest Operating L.L.C. | Sutton, TXSawyer (Canyon) | PluggedGas | 8,850 | Nov 20, 1984 | — | — |
| Britt #142-483-31232 | Enervest Operating L.L.C. | Wheeler, TXBritt Ranch W. (Granite Wash a ) | PluggedGas | 12,900 | Nov 5, 1984 | — | — |
| Pfluger 104 #742-435-33064 | Enervest Operating L.L.C. | Sutton, TXSawyer (Canyon) | PluggedGas | 6,100 | Jan 5, 1984 | — | — |
| Brennand #942-115-30072 | Enervest Operating L.L.C. | Dawson, TXMungerville (Pennsylvanian) | PluggedOil | 8,610 | Nov 22, 1983 | — | — |
| J.P.B. #142-287-30687 | Enervest Operating L.L.C. | Lee, TXGiddings (Austin Chalk-3) | PluggedOil | 9,500 | Nov 16, 1983 | — | — |
| Allison-Miers #740542-435-32976 | Enervest Operating L.L.C. | Sutton, TXSawyer (Canyon) | PluggedGas | 6,000 | May 10, 1983 | — | — |
| Jensen #342-287-31375 | Enervest Operating L.L.C. | Lee, TXGiddings (Austin Chalk Gas) | PluggedGas | 9,000 | May 5, 1983 | — | — |
| McHenry R. K. a #442-287-31346 | Enervest Operating L.L.C. | Lee, TXGiddings (Austin Chalk-3) | PluggedOil | 9,200 | Jan 14, 1983 | — | — |
| Allison-Miers #790542-435-32905 | Enervest Operating L.L.C. | Sutton, TXSawyer (Canyon) | PluggedGas | 6,200 | Dec 31, 1982 | — | — |
| Tyler #142-287-31303 | Enervest Operating L.L.C. | Lee, TXGiddings (Austin Chalk Gas) | PluggedGas | 10,000 | Sep 3, 1982 | — | — |
| Whitworth C. O. #1042-137-30838 | Enervest Operating L.L.C. | Edwards, TXSawyer (Canyon) | PluggedGas | 5,200 | Aug 31, 1982 | — | — |
| Ruby Lee #10442-483-31043 | Enervest Operating L.L.C. | Wheeler, TXB & B (Granite Wash) | PluggedGas | 12,540 | May 4, 1982 | — | — |
| Fort Wolters-USA #742-367-32190 | Enervest Operating L.L.C. | Parker, TXFort Wolters (Atoka Upper) | PluggedGas | 4,900 | Nov 2, 1981 | — | — |
| Sawyer 168 #442-435-32576 | Enervest Operating L.L.C. | Sutton, TXSawyer (Canyon) | PluggedGas | 8,300 | Oct 1, 1981 | — | — |
| Saenger Otto #242-287-30972 | Enervest Operating L.L.C. | Lee, TXGiddings (Austin Chalk-3) | PluggedOil | 9,200 | Jun 18, 1981 | — | — |
| Hogan #142-477-30422 | Enervest Operating L.L.C. | Washington, TXGiddings (Austin Chalk Gas) | PluggedGas | 13,000 | Jun 18, 1981 | — | — |
| Akin J.M. #142-041-30595 | Enervest Operating L.L.C. | Brazos, TXGiddings (Austin Chalk-3) | PluggedOil | 12,000 | May 18, 1981 | — | — |
| Gerdes Development Company Unit #142-287-30905 | Enervest Operating L.L.C. | Lee, TXGiddings (Austin Chalk-3) | PluggedOil | 10,000 | May 11, 1981 | — | — |
| Hull #342-435-32456 | Enervest Operating L.L.C. | Sutton, TXSonora (Canyon Upper) | PluggedGas | 6,300 | Dec 31, 1980 | — | — |
| Fritsche M. #342-149-30842 | Enervest Operating L.L.C. | Fayette, TXGiddings (Austin Chalk-3) | PluggedOil | 7,577 | Dec 12, 1980 | — | — |
| Fritsche M. #242-149-30706 | Enervest Operating L.L.C. | Fayette, TXGiddings (Austin Chalk-3) | PluggedOil | 8,000 | Aug 21, 1980 | — | — |
| Vela E. #142-247-31251 | Enervest Operating L.L.C. | Jim Hogg, TXEl Peyote (Wilcox 12400) | PluggedGas | 15,100 | Aug 21, 1980 | — | — |
| Fritsche M. #142-149-30415 | Enervest Operating L.L.C. | Fayette, TXGiddings (Austin Chalk-3) | PluggedOil | 8,000 | Nov 5, 1979 | — | — |
| McCoy #142-287-30552 | Enervest Operating L.L.C. | Lee, TXGiddings (Austin Chalk-3) | PluggedOil | 9,200 | Sep 13, 1979 | — | — |