| 376305 | Aug 15, 1990 | Aug 15, 1990 | Houston Oil & Minerals Corp. | State Tract 232 #1 | 11,900 | 16730299 |
| 375386 | Jul 19, 1990 | Jul 19, 1990 | Magnum Producing & Operating Co. | U.S. Nat'l Bank of Galveston #1 | 14,680 | 16731038 |
| 374998 | Jun 28, 1990 | Jun 28, 1990 | Mobil Producing TX. & N.M. Inc. | Halls Bayou Ranch, Tr. 2 #1 | 12,500 | 16731183 |
| 374931 | Jun 27, 1990 | Jun 27, 1990 | Pacific Enterprises Oil Co.(usa) | Firth Heirs #1 | 10,500 | 16731182 |
| 372623 | Apr 25, 1990 | Apr 25, 1990 | Oryx Energy Company | Zinn & Forman #21 | 7,720 | 16730913 |
| 372437 | Apr 20, 1990 | Apr 20, 1990 | Oryx Energy Company | Cade-Zinn & Forman Unit #1 | 7,720 | 16730975 |
| 370220 | Apr 17, 1990 | Apr 17, 1990 | Exxon Corp. | Mally, F. W. #2 | 8,825 | 16701596 |
| 371933 | Apr 6, 1990 | Apr 6, 1990 | Oryx Energy Company | Hudnall, Zinn & Forman #2 | 7,713 | 16700928 |
| 371728 | Apr 2, 1990 | Apr 2, 1990 | Oryx Energy Company | Zinn & Foreman #18 | 7,716 | 16730315 |
| 370399 | Feb 28, 1990 | Feb 28, 1990 | Oryx Energy Company | Zinn & Forman #13 | 7,663 | 16700924 |
| 369598 | Feb 16, 1990 | Feb 16, 1990 | Sandefer Petroleum Company | Humphrey, G. D. et Al #1 | 10,300 | 16731181 |
| 369598Amendment | Feb 16, 1990 | Feb 16, 1990 | Sandefer Petroleum Company | Humphrey, G. D. et Al #1 | 10,300 | 16731181 |
| 369457 | Feb 12, 1990 | Feb 12, 1990 | FMP Operating Company, Ltd PTN | Camp Wallace #D 1A | 11,350 | 16731179 |
| 369457Amendment | Feb 12, 1990 | Feb 12, 1990 | FMP Operating Company, Ltd PTN | Camp Wallace #D 1A | 11,400 | 16731179 |
| 369457Amendment | Feb 12, 1990 | Feb 12, 1990 | Hunt, Hassie Exploration Co. | Camp Wallace #D 1A | 11,400 | 16731179 |
| 369185 | Feb 6, 1990 | Feb 6, 1990 | FMP Operating Company, Ltd PTN | Belcher Oil Unit #1 | 10,037 | 16701955 |
| 369185Amendment | Feb 6, 1990 | Feb 6, 1990 | Freeport-McMoran Oil & Gas Co. | Belcher #1 | 10,037 | 16701955 |
| 369169 | Feb 6, 1990 | Feb 6, 1990 | Kerns O & G, Inc. | Cooper-Christman Oil Unit #1 | 10,800 | 16730785 |
| 369387 | Feb 5, 1990 | Feb 5, 1990 | TXO Production Corp. | Pabst #1 | 12,500 | 16731180 |
| 369172 | Jan 31, 1990 | Jan 31, 1990 | TXO Production Corp. | Alexander "P" #1 | 10,700 | 16731178 |
| 368539 | Jan 15, 1990 | Jan 15, 1990 | Mobil Producing TX. & N.M. Inc. | State Tract No. 60 #1 | 24,000 | 16731177 |
| 367538 | Jan 9, 1990 | Jan 9, 1990 | Wacker Oil Inc. | James E. Chapman et al Oil Unit #1 | 11,910 | 16730895 |
| 367538Amendment | Jan 9, 1990 | Jan 9, 1990 | Wacker Oil Inc. | James E. Chapman et Al #1 | 11,910 | 16730895 |
| 367447 | Dec 8, 1989 | Dec 8, 1989 | Oryx Energy Company | Zinn & Forman #3 | 7,850 | 16700914 |
| 367369 | Dec 7, 1989 | Dec 7, 1989 | Oryx Energy Company | Cade-Zinn & Forman Unit #1 | 7,720 | 16730975 |
| 367186 | Dec 7, 1989 | Dec 7, 1989 | Mitchell Energy Corporation | Galveston Townsite Unit -3- #3 | 8,550 | 16731176 |
| 366818 | Dec 1, 1989 | Dec 1, 1989 | Hamman Oil & Refg. Co. | U.S.A. #1 | 13,000 | 16730619 |
| 366818Amendment | Dec 1, 1989 | Dec 1, 1989 | Hamman Oil & Refg. Co. | U.S.A. #1 | 13,000 | 16730619 |
| 367041 | Nov 29, 1989 | Nov 29, 1989 | Oryx Energy Company | Hudnall, Zinn & Forman #2 | 7,713 | 16700928 |
| 365240 | Nov 16, 1989 | Nov 16, 1989 | Houston Oil & Minerals Corp. | S. T. 343 #9 | 9,037 | 16730339 |
| 366413 | Nov 13, 1989 | Nov 13, 1989 | Oryx Energy Company | Zinn & Forman #6 | 7,625 | 16700919 |
| 365966 | Nov 8, 1989 | Nov 8, 1989 | Mobil Producing TX. & N.M. Inc. | Halls Bayou Ranch, Tr. 4 Unit #1 | 20,000 | 16731174 |
| 365966Amendment | Nov 8, 1989 | Nov 8, 1989 | Mobil Producing TX. & N.M. Inc. | Halls Bayou Ranch, Tr. 4 Unit #1 | 17,540 | 16731174 |
| 365966Amendment | Nov 8, 1989 | Nov 8, 1989 | Tepco, Inc. | Halls Bayou Ranch, Tr. 4 Unit #1 | 17,414 | 16731174 |
| 365965 | Nov 8, 1989 | Nov 8, 1989 | Mobil Producing TX. & N.M. Inc. | Halls Bayou Ranch, Tr. 4 Unit #1D | 2,600 | 16731173 |
| 365959 | Nov 3, 1989 | Nov 3, 1989 | Nolan Group, Inc. The | Lobit, Louis #1 | 12,116 | 16730800 |
| 365887 | Nov 1, 1989 | Nov 1, 1989 | Oryx Energy Company | Zinn & Forman #19 | 10,681 | 16730728 |
| 365441 | Oct 23, 1989 | Oct 23, 1989 | FMP Operating Company, Ltd PTN | Camp Wallace "D" #1 | 11,410 | 16701396 |
| 363001 | Oct 19, 1989 | Oct 19, 1989 | Puls, W. L. | Marx Unit #1 | 9,500 | 16731170 |
| 365324 | Oct 18, 1989 | Oct 18, 1989 | Oryx Energy Company | Hudnall, Zinn & Forman #3 | 6,850 | 16700929 |
| 364790 | Oct 5, 1989 | Oct 5, 1989 | Oryx Energy Company | Zinn & Forman #1 | 7,583 | 16700918 |
| 364220 | Sep 21, 1989 | Sep 21, 1989 | Mid American Operating Company | Lobit #1 | 10,600 | 16731172 |
| 363874 | Sep 18, 1989 | Sep 18, 1989 | Hunt, Hassie Exploration Co. | Frank Ghinaudo Unit 2 #1 | 10,996 | 16701410 |
| 363874Amendment | Sep 18, 1989 | Sep 18, 1989 | Hunt, Hassie Exploration Co. | Frank Ghinaudo Unit 2 #1 | 10,996 | 16701410 |
| 363874Amendment | Sep 18, 1989 | Sep 18, 1989 | Hunt, Hassie Exploration Co. | Frank Ghinaudo Unit 2 #1 | 10,996 | 16701410 |
| 363530 | Sep 6, 1989 | Sep 6, 1989 | FMP Operating Company, Ltd PTN | Wills Oil Unit #101 | 10,050 | 16701900 |
| 363218 | Aug 25, 1989 | Aug 25, 1989 | Exxon Corp. | Stewart, Maco -a- a/C 1 #36 | 9,750 | 16701568 |
| 363168 | Aug 24, 1989 | Aug 24, 1989 | Ballard Exploration Company,inc. | Scaperlanda, H. R. #1 | 9,200 | 16731171 |
| 362802 | Aug 16, 1989 | Aug 16, 1989 | Cross Timbers Production Company | Hovey, Blanche #1 | 9,114 | 16730331 |
| 361272 | Aug 7, 1989 | Aug 7, 1989 | Exxon Corp. | Stewart, Maco -a- a/C 1 #43 | 9,740 | 16730946 |
| 361270 | Aug 7, 1989 | Aug 7, 1989 | Exxon Corp. | Stewart, Maco -a- a/C 1 #41 | 9,840 | 16730927 |
| 361269 | Aug 7, 1989 | Aug 7, 1989 | Exxon Corp. | Stewart, Maco -a- a/C 1 #45 | 10,267 | 16731057 |
| 362014 | Aug 1, 1989 | Aug 1, 1989 | TXO Production Corp. | Bruce #3 | 12,600 | 16731169 |
| 362014Amendment | Aug 1, 1989 | Aug 1, 1989 | Bridge Oil Production Co., Inc. | Bruce #3 | 4,400 | 16731169 |
| 360723 | Jun 28, 1989 | Jun 28, 1989 | Columbia Gas Development Corp. | Halls Bayou Ranch #1 | 10,500 | 16731168 |
| 360579 | Jun 19, 1989 | Jun 19, 1989 | Sun Exploration & Production Co. | Cade State Unit #1 | 5,602 | 16730615 |
| 360519 | Jun 19, 1989 | Jun 19, 1989 | First Energy Corp. of Miss. | Morse, Eugene #1 | 13,400 | 16731151 |
| 360519Amendment | Jun 19, 1989 | Jun 19, 1989 | First Energy Corp. of Miss. | Eugene Morse Unit #1 | 13,300 | 16731151 |
| 360431 | Jun 14, 1989 | Jun 14, 1989 | Sun Exploration & Production Co. | Cade-Zinn & Forman Unit #1 | 7,720 | 16730975 |
| 360019 | Jun 5, 1989 | Jun 5, 1989 | Mitchell Energy Corporation | Galveston Townsite Unit -16- #3 | 7,500 | 16731167 |
| 360019Amendment | Jun 5, 1989 | Jun 5, 1989 | Mitchell Energy Corporation | Galveston Townsite Unit -17- #1 | 7,500 | 16731167 |
| 359482 | Jun 1, 1989 | Jun 1, 1989 | Wacker Oil Inc. | Chapman, J. E. #1 | 14,000 | 16730895 |
| 359452 | May 22, 1989 | May 22, 1989 | Pend Oreille Oil & Gas Co. | Bentz, L. E. Baty et Al #1 | 13,500 | 16731166 |
| 358693 | May 15, 1989 | May 15, 1989 | Norcen Explorer, Inc. | Flamingo Properties Company #1 | 16,000 | 16731165 |
| 358693Amendment | May 15, 1989 | May 15, 1989 | Norcen Explorer, Inc. | Flamingo Properties Company #1 | 17,000 | 16731165 |
| 358600 | Apr 26, 1989 | Apr 26, 1989 | Cxy Energy Inc. | Roberts, Billy J. #1 | 10,888 | 16731005 |
| 358381 | Apr 21, 1989 | Apr 21, 1989 | American Cometra, Inc. | American Cometra Molly Wolf Unit #1 | 14,000 | 16731164 |
| 357805 | Apr 5, 1989 | Apr 5, 1989 | Sun Exploration & Production Co. | Zinn & Forman #1 | 7,583 | 16700918 |
| 357804 | Apr 5, 1989 | Apr 5, 1989 | Sun Exploration & Production Co. | Zinn & Forman #18 | 7,716 | 16730315 |
| 356976 | Mar 14, 1989 | Mar 14, 1989 | Sun Exploration & Production Co. | Simpton-Zinn & Forman Unit #1 | 7,543 | 16730999 |
| 356451 | Mar 7, 1989 | Mar 7, 1989 | Luck Petroleum Corporation | Ecret, J. C. #3 | 9,056 | 16701581 |
| 356364 | Mar 3, 1989 | Mar 3, 1989 | Walter Oil & Gas Corporation | State Tract 175-S #1U | 8,067 | 60530153 |
| 356359 | Feb 28, 1989 | Feb 28, 1989 | Hunt, Hassie Exploration Co. | Ghinaudo, Frank #1 | 13,265 | 16701409 |
| 356372 | Feb 24, 1989 | Feb 24, 1989 | Sun Exploration & Production Co. | Humphreys #7 | 7,512 | 16730124 |
| 354821 | Jan 4, 1989 | Jan 4, 1989 | Coastal Plains Energy, Inc. | Coon, W. H. et Al #1M | 7,202 | 16730846 |
| 352395 | Nov 3, 1988 | Nov 3, 1988 | Cross Timbers Production Company | Slataper #1L | 10,321 | 16730119 |
| 350557 | Sep 29, 1988 | Sep 29, 1988 | Sun Expl. & Prod. Co.-Lafayette | Zinn, Hudnall & Forman #1 | 7,583 | 16700927 |
| 351258 | Sep 16, 1988 | Sep 16, 1988 | Pend Oreille Oil & Gas Co. | Rush, S. et Al #1 | 13,500 | 16731163 |
| 351258Amendment | Sep 16, 1988 | Sep 16, 1988 | Pend Oreille Oil & Gas Co. | Autry, A. A. et Al #1 | 13,500 | 16731163 |
| 349652 | Aug 24, 1988 | Aug 24, 1988 | Exxon Corp. | Dickinson Oil Unit No. 1 #3 | 9,750 | 16730589 |
| 350025 | Aug 12, 1988 | Aug 12, 1988 | Mobil Producing TX. & N.M. Inc. | H.b.r.,-State Royalty Unit #1D | 1,750 | 16731162 |
| 349339 | Aug 11, 1988 | Aug 11, 1988 | Erin Oil Company | Cade, E. K. B-R/A-A #21 | 3,750 | 16700624 |
| 349635 | Aug 8, 1988 | Aug 8, 1988 | Mitchell Energy Corporation | Mitchell Dev. Corp of the SW #1 | 8,000 | 16731161 |
| 349681 | Aug 2, 1988 | Aug 2, 1988 | Mobil Producing TX. & N.M. Inc. | H.b.r.,-State Royalty Unit #1 | 20,500 | 16731160 |
| 349681Amendment | Aug 2, 1988 | Aug 2, 1988 | Mobil Producing TX. & N.M. Inc. | H.b.r.,-State Royalty Unit #1 | 21,500 | 16731160 |
| 348364 | Jul 26, 1988 | Jul 26, 1988 | TJC Ventures, Inc. | Campbell, Eugenia H. #1 | 9,200 | 16731159 |
| 347706 | Jun 14, 1988 | Jun 14, 1988 | Houston Oil Prod Enterprises,inc | San Leon Farm Company #1 | 12,100 | 16731158 |
| 346604 | Jun 9, 1988 | Jun 9, 1988 | Exxon Corp. | Stewart, Maco "a" a/C 1 #45 | 10,267 | 16731057 |
| 347041 | May 27, 1988 | May 27, 1988 | Houston Oil & Minerals Corp. | State Tract 131-A #2 | 10,000 | 16731157 |
| 343835 | May 24, 1988 | May 24, 1988 | Kerns O & G, Inc. | Cooper "B" Unit #1 | 11,915 | 16701290 |
| 346581 | May 18, 1988 | May 18, 1988 | Sun Expl. & Prod. Co.-Lafayette | Zinn & Forman #12 | 7,800 | 16700923 |
| 346580 | May 18, 1988 | May 18, 1988 | Sun Expl. & Prod. Co.-Lafayette | Zinn & Forman #6 | 7,625 | 16700919 |
| 346405 | May 16, 1988 | May 16, 1988 | Coastal Plains Energy, Inc. | Coon, W. H. et Al #1M | 7,200 | 16730846 |
| 345668 | Apr 26, 1988 | Apr 26, 1988 | Wintershall Corporation | Davis, James Estate #2 | 14,500 | 16731156 |
| 343082 | Apr 25, 1988 | Apr 25, 1988 | Phillips Petroleum Company | Tacquard "B" #1R | 11,321 | 16701451 |
| 345342 | Apr 18, 1988 | Apr 18, 1988 | Chilton Energy | Wilkens/Ernst #101SW | 4,000 | 16731155 |
| 345032 | Apr 13, 1988 | Apr 13, 1988 | Secondary Gas Recovery Inc. | Prets #2 | 2,500 | 16731154 |
| 344231 | Apr 4, 1988 | Apr 4, 1988 | Sun Expl. & Prod. Co.-Lafayette | Cade-State Unit #1 | 5,500 | 16730615 |
| 342671 | Mar 18, 1988 | Mar 18, 1988 | Sun Expl. & Prod. Co.-Lafayette | Zinn & Forman #18 | 7,700 | 16730315 |
| 343949 | Mar 17, 1988 | Mar 17, 1988 | Norcen Explorer, Inc. | Sun Amoco Fee #1 | 9,900 | 16731153 |