| Mitchell W. C. #142-041-31344 | Hamman Oil & Refining Company | Brazos, TXMillican E (Queen City) | PluggedGas | 4,000 | Sep 19, 1985 | — | — |
| Alexander C. D. -C- #402042-195-30956 | Hamman Oil & Refining Company | Hansford, TXClementine (Des Moines) | PluggedGas | 7,300 | May 31, 1985 | — | — |
| Tank Farm #242-329-31517 | Hamman Oil & Refining Company | Midland, TXBrasher (Atoka) | PluggedOil | 12,700 | May 2, 1985 | — | — |
| Wilcox Heirs #2A42-071-31161 | Hamman Oil & Refining Company | Chambers, TXTrinity River Delta (Marg. A) | PluggedGas | 9,040 | Jan 15, 1985 | — | — |
| Lutenbacher Blackburn Frio Unit #842-175-01203 | Hamman Oil & Refining Company | Goliad, TXBerclair (2200 Frio) | PluggedGas | 1,800 | Nov 8, 1984 | — | — |
| Tank Farm #142-329-31396 | Hamman Oil & Refining Company | Midland, TXBrasher (Atoka) | PluggedOil | 12,700 | Sep 19, 1984 | — | — |
| Blackburn J. #1142-175-01174 | Hamman Oil & Refining Company | Goliad, TXBerclair (1550) | PluggedGas | 1,800 | Aug 7, 1984 | — | — |
| Davis T. W. #23142-157-31550 | Hamman Oil & Refining Company | Fort Bend, TXBig Creek | PluggedOil | 8,000 | Jun 15, 1984 | — | — |
| State Tract 36 #142-071-31367 | Hamman Oil & Refining Company | Chambers, TXLake Anahuac (F-16) | PluggedGas | 10,800 | May 31, 1984 | — | — |
| Evoritt #142-089-31472 | Hamman Oil & Refining Company | Colorado, TXStarr-Lite North (Wilcox A-3) | PluggedGas | 9,510 | Mar 8, 1984 | — | — |
| Davis T. W. #23042-157-31510 | Hamman Oil & Refining Company | Fort Bend, TXBig Creek | PluggedOil | 4,000 | Jan 6, 1984 | — | — |
| Davis T. W. #22842-157-31496 | Hamman Oil & Refining Company | Fort Bend, TXBig Creek | PluggedOil | 4,600 | Nov 21, 1983 | — | — |
| Witter #142-089-31411 | Hamman Oil & Refining Company | Colorado, TXChesterville North (Yegua 6000) | PluggedGas | 7,000 | Sep 1, 1983 | — | — |
| Anderson B. D. #1 A42-089-31398 | Hamman Oil & Refining Company | Colorado, TXStarr-Lite North (Wilcox A-2) | PluggedGas | 9,500 | Jun 10, 1983 | — | — |
| Wilcox Heirs #342-071-31303 | Hamman Oil & Refining Company | Chambers, TXTrinity River Delta (F-13) | PluggedGas | 9,000 | Apr 4, 1983 | — | — |
| State Tract 37 #142-071-31407 | Hamman Oil & Refining Company | Chambers, TXLake Anahuac (9700) | PluggedGas | 11,000 | Dec 17, 1982 | — | — |
| Stevens H. #342-089-31318 | Hamman Oil & Refining Company | Colorado, TXChesterville North (Yegua 6000) | PluggedGas | 7,000 | Jul 13, 1982 | — | — |
| Cranz #142-089-31310 | Hamman Oil & Refining Company | Colorado, TXStarr-Lite North (Wilcox A-2) | PluggedGas | 9,500 | Jun 22, 1982 | — | — |
| Hannah B #242-291-31510 | Hamman Oil & Refining Company | Liberty, TXHull | PluggedOil | 3,900 | Mar 30, 1982 | — | — |
| South Texas Syndicate #1-3142-283-30845 | Hamman Oil & Refg. Co.permit operator | La Salle, TX | Drilled | 6,000 | Nov 20, 1981 | — | — |
| Anderson B.D. #1 T42-089-31277 | Hamman Oil & Refining Company | Colorado, TXChesterville North (6700) | PluggedOil | 6,800 | Oct 20, 1981 | — | — |
| South Texas Syndicate #102942-311-31607 | Hamman Oil & Refining Company | McMullen, TXMula Pasture (Wilcox Lower) | PluggedGas | 6,000 | Jul 9, 1981 | — | — |
| Terrell Etta #442-175-01248 | Hamman Oil & Refining Company | Goliad, TXBerclair (1550) | PluggedGas | 3,173 | Mar 9, 1981 | — | — |
| Neal J. M. Estate #142-291-31413 | Hamman Oil & Refining Company | Liberty, TXNeal Hill (Yegua 1 Sand) | PluggedGas | 8,500 | Feb 2, 1981 | — | — |
| Jewish Home for the Aged #242-201-31131 | Hamman Oil & Refg. Co.permit operator | Harris, TXCypress (Cockfield A) | Drilled | 7,500 | Oct 20, 1980 | — | — |
| Wilcox Heirs #1 C42-071-31046 | Hamman Oil & Refining Company | Chambers, TXTrinity River Delta (F-13) | PluggedOil | 9,100 | May 12, 1980 | — | — |
| Johnson Ida Sue #142-263-30650 | Hamman Oil & Refining Company | Kent, TXIda Sue (Strawn) | PluggedOil | 7,700 | Apr 17, 1980 | — | — |
| Rauch Leonard Trustee #2D42-071-31024 | Hamman Oil & Refining Company | Chambers, TXCotton Lake North (MARG.6280) | PluggedOil | 2,500 | Mar 10, 1980 | — | — |
| Lutenbacher-Blackburn Frio Unit #2142-175-01226 | Hamman Oil & Refining Company | Goliad, TXBerclair (2200 Frio) | PluggedOil | 3,185 | Nov 14, 1979 | — | — |
| Mandell David M. #242-201-31012 | Hamman Oil & Refining Company | Harris, TXCypress (Cockfield A) | PluggedGas | 7,500 | Oct 30, 1979 | — | — |
| Arnold #742-175-01160 | Hamman Oil & Refining Company | Goliad, TXBerclair (2700 Frio) | PluggedOil | 3,197 | Sep 18, 1979 | — | — |
| Barg-Miller Unit #142-071-30914 | Hamman Oil & Refining Company | Chambers, TXCotton Lake North (MARG.6280) | PluggedOil | 7,000 | Dec 27, 1978 | — | — |
| Longenbaugh A. G. #442-201-30898 | Hamman Oil & Refining Company | Harris, TXCypress (Y-9) | PluggedOil | 8,000 | Oct 6, 1978 | — | — |
| Davis T. W. #14542-157-02950 | Hamman Oil & Refining Company | Fort Bend, TXBig Creek | PluggedOil | 4,410 | Jul 6, 1978 | — | — |
| Brinson, H.L. #142-433-30814 | Hamman Oil & Refg. Co.permit operator | Stonewall, TX | Drilled | 7,000 | Feb 24, 1978 | — | — |
| Rauch Leonard Trustee #142-071-30807 | Hamman Oil & Refining Company | Chambers, TXCotton Lake North (MARG.6280) | PluggedOil | 7,000 | Jan 5, 1978 | — | — |
| Mitchell Development Fee #142-167-30591 | Hamman Oil & Refining Company | Galveston, TXPelican Island (FR10 11500) | PluggedOil | 12,200 | Oct 4, 1977 | — | — |
| Grawunder Ed #142-015-00786 | Hamman Oil & Refining Company | Austin, TXRaccoon Bend | PluggedGas | — | — | — | — |
| Epstine Geramino #142-029-80655 | Hamman Oil & Refining Company | Bexar, TXVon Ormy | PluggedOil | — | — | — | — |
| Epstine Geramino #242-029-80656 | Hamman Oil & Refining Company | Bexar, TXVon Ormy | PluggedOil | — | — | — | — |
| Cherry Everett #142-149-30005 | Hamman Oil & Refining Company | Fayette, TXMuldoon NE. (Brownlow Sand) | PluggedOil | — | — | — | — |
| Davis T. W. #1842-157-01793 | Hamman Oil & Refining Company | Fort Bend, TXBig Creek | PluggedOil | — | — | — | — |
| Davis T. W. #6942-157-01820 | Hamman Oil & Refining Company | Fort Bend, TXBig Creek | PluggedOil | — | — | — | — |
| Davis T. W. #8742-157-01828 | Hamman Oil & Refining Company | Fort Bend, TXBig Creek | PluggedOil | — | — | — | — |
| Davis T. W. #8942-157-01830 | Hamman Oil & Refining Company | Fort Bend, TXBig Creek | Not on scheduleOil | — | — | — | — |
| Davis T. W. #9042-157-01831 | Hamman Oil & Refining Company | Fort Bend, TXBig Creek | Not on scheduleOil | — | — | — | — |
| Davis T. W. #9242-157-01833 | Hamman Oil & Refining Company | Fort Bend, TXBig Creek | PluggedOil | — | — | — | — |
| Davis T. W. #93 D42-157-01834 | Hamman Oil & Refining Company | Fort Bend, TXBig Creek | PluggedOil | — | — | — | — |
| Davis T. W. #94 F42-157-01835 | Hamman Oil & Refining Company | Fort Bend, TXBig Creek | Not on scheduleOil | — | — | — | — |
| Davis T. W. #9742-157-01838 | Hamman Oil & Refining Company | Fort Bend, TXBig Creek | Not on scheduleOil | — | — | — | — |