| 332739 | Jul 10, 1987 | Jul 10, 1987 | Amoco Production Company | Willamar East Unit #29 | 8,100 | 48930915 |
| 332736 | Jul 10, 1987 | Jul 10, 1987 | Hada, J. L., Jr. | Yturria Cattle Co. #3 | 3,600 | 48930914 |
| 332605 | Jul 10, 1987 | Jul 10, 1987 | Texaco Inc. | Yturria L & C Co. NCT-2 #45 | 6,560 | 48930059 |
| 331246 | Jun 9, 1987 | Jun 9, 1987 | Exxon Corp. | Sauz Ranch Mulatos Pasture #163 | 8,040 | 48930591 |
| 329872 | May 8, 1987 | May 8, 1987 | Mabee Petroleum Corp. | Yturria Cattle Company #24 | 6,200 | 48930677 |
| 328226 | Apr 3, 1987 | Apr 3, 1987 | Exxon Corp. | Sauz Ranch Mulatos Pasture #186 | 6,500 | 48930848 |
| 328226Amendment | Apr 3, 1987 | Apr 3, 1987 | Exxon Corp. | Sauz Ranch Mulatos Pasture #186 | 6,500 | 48930848 |
| 328221 | Apr 3, 1987 | Apr 3, 1987 | May Petroleum, Inc. | Yturria, Frank et Al #1 | 9,000 | 48930897 |
| 328204 | Mar 27, 1987 | Mar 27, 1987 | Exxon Corp. | Kleberg,r.j.jr.tr.stillman #8 | 10,650 | 48900552 |
| 328117 | Mar 26, 1987 | Mar 26, 1987 | American Shoreline, Inc. | Floyd, Murray V. #1 | 13,000 | 48930913 |
| 327577 | Mar 12, 1987 | Mar 12, 1987 | Exxon Corp. | Kleberg, R.j.jr.tr.stillman #44 | 10,400 | 48930609 |
| 327029 | Feb 25, 1987 | Feb 25, 1987 | Exxon Corp. | Sauz Ranch Mulatos Pasture #149 | 6,500 | 48900561 |
| 327029Amendment | Feb 25, 1987 | Feb 25, 1987 | Exxon Corp. | Sauz Ranch Mulatos Pasture #149 | 6,500 | 48900561 |
| 325960 | Feb 2, 1987 | Feb 2, 1987 | May Petroleum, Inc. | La Sara #1 | 8,500 | 48930742 |
| 326008 | Jan 30, 1987 | Jan 30, 1987 | Amoco Production Company | Cavazos, J. C. #5 | 5,600 | 48930912 |
| 325629 | Jan 22, 1987 | Jan 22, 1987 | Exxon Corp. | Sauz Ranch Mulatos Pasture #120 | 8,000 | 48900210 |
| 325643 | Jan 20, 1987 | Jan 20, 1987 | Amoco Production Company | Willimar Community 'U' #2 | 5,600 | 48930911 |
| 325373 | Jan 20, 1987 | Jan 20, 1987 | Texaco Inc. | Yturria L & C Co. NCT-2 #20F | 7,600 | 48900623 |
| 325217 | Jan 12, 1987 | Jan 12, 1987 | Exxon Corp. | Bell, S. H. 'B' #5 | 7,906 | 48930604 |
| 324801 | Dec 31, 1986 | Dec 31, 1986 | Texaco Inc. | Yturria L & L Co. -a- NCT-1 #25F | 7,615 | 48900628 |
| 324801Amendment | Dec 31, 1986 | Dec 31, 1986 | Texaco Inc. | Yturria L & L Co. -a- NCT-1 #25F | 7,615 | 48900628 |
| 324123 | Dec 10, 1986 | Dec 10, 1986 | Exxon Corp. | Sauz Ranch Mulatos Pasture #151 | 8,010 | 48900663 |
| 323656 | Dec 1, 1986 | Dec 1, 1986 | Amoco Production Company | Willimar West Miocene Unit #M 4 | 6,450 | 48900565 |
| 323503 | Dec 1, 1986 | Dec 1, 1986 | Hada, John L., Jr. | Yturria Cattle Co. #2 | 7,000 | 48930910 |
| 323503Amendment | Dec 1, 1986 | Dec 1, 1986 | Hada, J. L., Jr. | Yturria Cattle Co. #2 | 7,050 | 48930910 |
| 323291 | Nov 20, 1986 | Nov 20, 1986 | Exxon Corp. | Sauz Ranch Mulatos Pasture #172 | 6,400 | 48930665 |
| 323193 | Nov 18, 1986 | Nov 18, 1986 | Ayres, George C. | Fox, Gorman et Al #1 | 8,000 | 48930909 |
| 321736 | Oct 16, 1986 | Oct 16, 1986 | Mabee Petroleum Corp. | Yturria Cattle Co. #23 | 6,210 | 48930675 |
| 320030 | Oct 3, 1986 | Oct 3, 1986 | Exxon Corp. | Sauz Ranch Mulatos Pasture #215 | 9,060 | 48930908 |
| 320162 | Sep 8, 1986 | Sep 8, 1986 | Exxon Corp. | Sauz Ranch Mulatos Past. #70 | 7,960 | 48900218 |
| 320025 | Aug 29, 1986 | Aug 29, 1986 | Amoco Production Company | Willamar West Miocene Unit #22 | 6,500 | 48930907 |
| 305025 | Aug 7, 1986 | Aug 7, 1986 | Petroleum Management, Inc. | Yturria Cattle Co. #9 | 8,240 | 48930638 |
| 304742 | Jul 30, 1986 | Jul 30, 1986 | Exxon Corp. | Kleberg, R. J. Jr. Tr. Stillman #77 | 11,250 | 48930831 |
| 304442 | Jul 22, 1986 | Jul 22, 1986 | Amoco Production Company | Willamar East Unit #26 | 9,000 | 48930745 |
| 303177 | Jun 4, 1986 | Jun 4, 1986 | Fargo Trading Co., Inc. | Yturria Cattle Company #3 | 6,510 | 48930692 |
| 302773 | Jun 2, 1986 | Jun 2, 1986 | Fargo Trading Co., Inc. | Yturria Cattle Company #14 | 6,400 | 48930893 |
| 302685 | May 29, 1986 | May 29, 1986 | Fargo Trading Co., Inc. | Yturria Cattle Company #15 | 7,000 | 48930906 |
| 302313 | May 20, 1986 | May 20, 1986 | Exxon Corp. | Sauz Ranch Mulatos Pasture #182 | 6,800 | 48930823 |
| 301594 | Apr 28, 1986 | Apr 28, 1986 | Petro Tejas, Inc. | Fenstermaker #1 | 8,200 | 48930905 |
| 301162 | Apr 17, 1986 | Apr 17, 1986 | Amoco Production Company | Willamar West/Miocene/Unit #6 | 7,400 | 48900594 |
| 300219 | Mar 26, 1986 | Mar 26, 1986 | Petroleum Management, Inc. | Yturria Cattle Co. #11 | 10,650 | 48930706 |
| 299790 | Mar 18, 1986 | Mar 18, 1986 | Amoco Production Company | Cavazos, Nicholas #4 | 7,942 | 48900430 |
| 299417 | Mar 12, 1986 | Mar 12, 1986 | Exxon Corp. | Sauz Ranch Mulatos Pasture #181 | 6,800 | 48930825 |
| 299196 | Mar 7, 1986 | Mar 7, 1986 | Exxon Corp. | Sauz Ranch Mulatos Pasture #26 | 7,950 | 48900192 |
| 299038 | Mar 4, 1986 | Mar 4, 1986 | Exxon Corp. | Sauz Ranch Mulatos Pasture #193 | 8,800 | 48930904 |
| 299033 | Mar 4, 1986 | Mar 4, 1986 | Exxon Corp. | Sauz Ranch Mulatos Pasture #192 | 8,800 | 48930903 |
| 298795 | Mar 3, 1986 | Mar 3, 1986 | Petroleum Management, Inc. | Yturria Cattle Co. #12 | 8,100 | 48930711 |
| 297947 | Feb 14, 1986 | Feb 14, 1986 | Exxon Corp. | Sauz Ranch Mulatos Past. #49 | 7,950 | 48900162 |
| 297177 | Feb 6, 1986 | Feb 6, 1986 | Rea Oil & Gas, Inc. | Todd, Robert S. #1 | 4,600 | 48930902 |
| 297214Amendment | Feb 6, 1986 | Feb 6, 1986 | Exxon Corp. | Kleberg, Robert J.jr.tr.stillman #84 | 18,500 | 48930917 |
| 297214Amendment | Feb 6, 1986 | Feb 6, 1986 | Exxon Corp. | Kleberg, Robert J.jr.tr.stillman #84 | 18,500 | 48930917 |
| 296928 | Jan 31, 1986 | Jan 31, 1986 | Exxon Corp. | Sauz Ranch Mulatos Pasture #217 | 9,080 | 48930901 |
| 296790 | Jan 30, 1986 | Jan 30, 1986 | Exxon Corp. | Sauz Ranch Mulatos Pasture #214 | 8,790 | 48930900 |
| 296269 | Jan 28, 1986 | Jan 28, 1986 | Exxon Corp. | Sauz Ranch Mulatos Past. #170 | 6,800 | 48930652 |
| 295809 | Jan 17, 1986 | Jan 17, 1986 | Fargo Trading Co., Inc. | Yturria Cattle Co. #12 | 6,470 | 48930751 |
| 295385 | Jan 16, 1986 | Jan 16, 1986 | Exxon Corp. | Kleberg, R.J. Jr. Tr. Stillman #83 | 15,500 | 48930899 |
| 293313 | Dec 19, 1985 | Dec 19, 1985 | Exxon Corp. | Sauz Ranch Mulatos Past. #210 | 9,040 | 48930898 |
| 293006 | Dec 17, 1985 | Dec 17, 1985 | May Petroleum, Inc. | Yturria, Frank et Al #1 | 9,000 | 48930897 |
| 292822 | Dec 13, 1985 | Dec 13, 1985 | Exxon Corp. | Sauz Ranch Mulatos Past. #208 | 9,015 | 48930896 |
| 292228 | Dec 3, 1985 | Dec 3, 1985 | Fargo Trading Co., Inc. | Yturria Cattle Co. #13 | 5,300 | 48930849 |
| 289533 | Nov 8, 1985 | Nov 8, 1985 | Amoco Production Company | La Sal Vieja Swds #3SW | 4,900 | 48900531 |
| 288908 | Oct 23, 1985 | Oct 23, 1985 | May Petroleum, Inc. | La Sara #1 | 8,500 | 48930742 |
| 287221 | Oct 11, 1985 | Oct 11, 1985 | Fargo Trading Co., Inc. | Yturria Cattle Company #17 | 5,500 | 48930894 |
| 286646 | Oct 7, 1985 | Oct 7, 1985 | Amoco Production Company | Willamar West Field Unit #230WI | 8,200 | 48930892 |
| 286052 | Sep 30, 1985 | Sep 30, 1985 | Amoco Production Company | Willamar West Field Unit #229 WI | 8,150 | 48930891 |
| 286745 | Sep 26, 1985 | Sep 26, 1985 | Fargo Trading Co., Inc. | Yturria Cattle Co. #14 | 6,400 | 48930893 |
| 286016 | Sep 25, 1985 | Sep 25, 1985 | Amoco Production Company | Willamar West Field Unit #228WI | 8,100 | 48930890 |
| 286048 | Sep 25, 1985 | Sep 25, 1985 | Exxon Corp. | Sauz Ranch Mulatos Pasture #194 | 9,000 | 48930873 |
| 285455 | Sep 19, 1985 | Sep 19, 1985 | Texas, L. Petroleum, Inc. | Ely, W. W. #1 | 7,250 | 48900514 |
| 285176 | Sep 17, 1985 | Sep 17, 1985 | Hoskins, L. R. & Sons, Inc. | Garcia #1 | 7,000 | 48930889 |
| 285325 | Sep 17, 1985 | Sep 17, 1985 | Texaco Inc. | Yturria L & L Co. "a" NCT-1 #25F | 7,615 | 48900628 |
| 285326 | Sep 17, 1985 | Sep 17, 1985 | Texaco Inc. | Yturria L & C Co. NCT-2 #20F | 7,600 | 48900623 |
| 283888 | Sep 3, 1985 | Sep 3, 1985 | Petroleum Management, Inc. | Yturria Cattle Co. #12 | 8,900 | 48930711 |
| 283533 | Aug 28, 1985 | Aug 28, 1985 | Carter, Kiel & R.B.O., Inc. | Garcia, J. A. "A" #1 | 7,000 | 48930888 |
| 283488 | Aug 27, 1985 | Aug 27, 1985 | Amoco Production Company | Willamar West Field Unit #208 WI | 8,100 | 48930886 |
| 283489 | Aug 27, 1985 | Aug 27, 1985 | Amoco Production Company | Willamar West Field Unit #201 WI | 8,100 | 48930887 |
| 283487 | Aug 27, 1985 | Aug 27, 1985 | Amoco Production Company | Willamar West Field Unit #194 WI | 8,100 | 48930885 |
| 283486 | Aug 27, 1985 | Aug 27, 1985 | Amoco Production Company | Willamar West Field Unit #192 | 8,050 | 48930884 |
| 280898 | Jul 24, 1985 | Jul 24, 1985 | Exxon Corp. | Sauz Ranch Mulatos Pasture #199 | 5,760 | 48930883 |
| 280462 | Jul 18, 1985 | Jul 18, 1985 | Exxon Corp. | Sauz Ranch Mulatos Pasture #200 | 9,065 | 48930880 |
| 280439 | Jul 18, 1985 | Jul 18, 1985 | Exxon Corp. | Sauz Ranch Mulatos Pasture #207 | 9,060 | 48930876 |
| 280428 | Jul 18, 1985 | Jul 18, 1985 | Exxon Corp. | Sauz Ranch Mulatos Pasture #205 | 9,100 | 48930874 |
| 280433 | Jul 18, 1985 | Jul 18, 1985 | Exxon Corp. | Sauz Ranch Mulatos Pasture #206 | 9,070 | 48930875 |
| 280459 | Jul 18, 1985 | Jul 18, 1985 | Exxon Corp. | Sauz Ranch Mulatos Pasture #204 | 9,070 | 48930877 |
| 280461 | Jul 18, 1985 | Jul 18, 1985 | Exxon Corp. | Sauz Ranch Mulatos Pasture #201 | 9,065 | 48930879 |
| 280460 | Jul 18, 1985 | Jul 18, 1985 | Exxon Corp. | Sauz Ranch Mulatos Pasture #202 | 9,070 | 48930878 |
| 280463 | Jul 18, 1985 | Jul 18, 1985 | Exxon Corp. | Sauz Ranch Mulatos Pasture #197 | 8,895 | 48930881 |
| 280543 | Jul 18, 1985 | Jul 18, 1985 | Exxon Corp. | Sauz Ranch Mulatos Pasture #190 | 9,100 | 48930882 |
| 280275 | Jul 16, 1985 | Jul 16, 1985 | Exxon Corp. | Sauz Ranch Mulatos Pasture #194 | 9,000 | 48930873 |
| 279787 | Jul 9, 1985 | Jul 9, 1985 | Amoco Production Company | Willamar Community #3 | 8,350 | 48930872 |
| 279786 | Jul 9, 1985 | Jul 9, 1985 | Amoco Production Company | Bell, S. H. #8 | 8,350 | 48930871 |
| 279054 | Jun 25, 1985 | Jun 25, 1985 | Mabee Petroleum Corp. | Yturria Cattle Company #22 | 6,210 | 48930671 |
| 278119 | Jun 19, 1985 | Jun 19, 1985 | Whittington Operating Company | Hackney-Wallin #1 | 6,400 | 48930870 |
| 277926 | Jun 17, 1985 | Jun 17, 1985 | Exxon Corp. | Sauz Ranch Mulatos Pasture #213 | 7,900 | 48930869 |
| 277925 | Jun 17, 1985 | Jun 17, 1985 | Exxon Corp. | Sauz Ranch Mulatos Pasture #188 | 9,100 | 48930868 |
| 277924 | Jun 17, 1985 | Jun 17, 1985 | Exxon Corp. | Sauz Ranch Mulatos Pasture #198 | 8,990 | 48930867 |
| 277362 | Jun 11, 1985 | Jun 11, 1985 | Texaco Inc. | Yturria L & C Co. NCT-2 #53 | 8,700 | 48930865 |
| 277494 | Jun 7, 1985 | Jun 7, 1985 | Amoco Production Company | Gas Unit "a" Zone 8 #5 | 11,000 | 48930866 |
| 276802 | Jun 4, 1985 | Jun 4, 1985 | Exxon Corp. | Sauz Ranch Mulatos Pasture #203 | 9,055 | 48930864 |
| 275890 | May 24, 1985 | May 24, 1985 | Mitchell Energy Corporation | Smith, L. A. #1 | 15,000 | 48930862 |