| 151999 | Feb 26, 1982 | Feb 26, 1982 | Enterprise Resources, Inc. | Bentson et al, Trustees #2 | 9,801 | 48930686 |
| 151938 | Feb 25, 1982 | Feb 25, 1982 | Enterprise Resources, Inc. | Bentsen et al, Trustees #1 | 7,525 | 48930685 |
| 147480 | Dec 23, 1981 | Dec 23, 1981 | Exxon Corp. | Sauz Ranch - Tenerias #17 | 9,700 | 48930684 |
| 148644 | Dec 17, 1981 | Dec 17, 1981 | Amoco Production Company | Willamar West/Miocene Unit #M5 | 6,550 | 48900576 |
| 145753 | Dec 17, 1981 | Dec 17, 1981 | Yturria-Jones Oil Company | Yturria Cattle Co. #1 | 6,250 | 48930681 |
| 144475 | Dec 15, 1981 | Dec 15, 1981 | Convest Energy Corporation | Jaehne, Laverne H. #1 | 10,300 | 48930683 |
| 143623 | Dec 10, 1981 | Dec 10, 1981 | Amoco Production Company | West, Willamar/Miocene Unit #M7 | 6,500 | 48900595 |
| 142086 | Dec 1, 1981 | Dec 1, 1981 | Pinnell, H. P. Trustee | El Sauz Ranch Nopal #2 | 4,000 | 48930595 |
| 140118 | Nov 10, 1981 | Nov 10, 1981 | Texaco Inc. | Yturria L & L Co. "a" NCT-1 #13J | 10,500 | 48900054 |
| 139966 | Nov 6, 1981 | Nov 6, 1981 | Exxon Corp. | Sauz Ranch-Nopal #9 | 8,250 | 48930680 |
| 139841 | Nov 6, 1981 | Nov 6, 1981 | Petroleum Management, Inc. | Yturria Cattle Co. #B-1 | 7,600 | 48900574 |
| 137517 | Oct 21, 1981 | Oct 21, 1981 | Mabee Petroleum Corp. | Yturria Cattle Co. #24 | 6,200 | 48930677 |
| 137138 | Oct 19, 1981 | Oct 19, 1981 | Amoco Production Company | Raymond, Leonora C. #3 | 6,500 | 48930676 |
| 136946 | Oct 19, 1981 | Oct 19, 1981 | Mabee Petroleum Corp. | Yturria Cattle Co. #23 | 6,015 | 48930675 |
| 136898 | Oct 19, 1981 | Oct 19, 1981 | Exxon Corp. | Sauz Ranch Mulatos Past. #174 | 10,000 | 48930674 |
| 137690 | Oct 16, 1981 | Oct 16, 1981 | Pinnell, H. P. Trustee | El Sauz Ranch Nopal #5 | 4,000 | 48930678 |
| 136773 | Oct 15, 1981 | Oct 15, 1981 | Exxon Corp. | Sauz Ranch Mulatos Past. #175 | 6,800 | 48930673 |
| 136589 | Oct 15, 1981 | Oct 15, 1981 | Templeton Energy, Inc | Solis #1 | 8,275 | 48930672 |
| 134613 | Sep 28, 1981 | Sep 28, 1981 | Exxon Corp. | Sauz Ranch Mulatos Past. #10 | 7,951 | 48900205 |
| 133059 | Sep 14, 1981 | Sep 14, 1981 | TXO Production Corp. | Swanburg #1 | 16,500 | 48930670 |
| 133517 | Sep 10, 1981 | Sep 10, 1981 | Amoco Production Company | Gas Unit "a" Zone 4 #2 | 8,668 | 48900531 |
| 132792 | Sep 10, 1981 | Sep 10, 1981 | Pickens Company, Inc., The | Miyoko-Galvan et Al #1 | 5,318 | 48930669 |
| 133093 | Sep 9, 1981 | Sep 9, 1981 | Mabee Petroleum Corp. | Yturria Cattle Co. #22 | 6,300 | 48930671 |
| 131636 | Aug 31, 1981 | Aug 31, 1981 | Mesquite Prod. & Explor., Inc. | Holt, Clifford #1 | 8,515 | 48930668 |
| 130586 | Aug 20, 1981 | Aug 20, 1981 | Exxon Corp. | Sauz Ranch Mulatos Past. #173 | 6,400 | 48930667 |
| 129616 | Aug 11, 1981 | Aug 11, 1981 | Exxon Corp. | Sauz Ranch-Mulatos Past #171 | 6,800 | 48930666 |
| 129613 | Aug 11, 1981 | Aug 11, 1981 | Exxon Corp. | Sauz Ranch-Mulatos Past #172 | 6,800 | 48930665 |
| 129145 | Aug 7, 1981 | Aug 7, 1981 | Goldking Prod. Co. | Lewer #1 | 6,250 | 48930664 |
| 127617 | Jul 29, 1981 | Jul 29, 1981 | Flournoy Production Co. | Todd Oil Unit #1 #1 | 8,930 | 48930616 |
| 124289 | Jul 8, 1981 | Jul 8, 1981 | Goldking Prod. Co. | Corbett #1 | 9,955 | 48930662 |
| 123934 | Jul 6, 1981 | Jul 6, 1981 | Exxon Corp. | Sauz Ranch Mulatos Pasture #154 | 6,385 | 48930044 |
| 123942 | Jun 26, 1981 | Jun 26, 1981 | Exxon Corp. | Bell, S.H. "B" #8 | 6,900 | 48930661 |
| 121214 | Jun 16, 1981 | Jun 16, 1981 | Genesis Petroleum Corporation | Yturria Cattle Company #3 | 4,500 | 48930660 |
| 120247 | Jun 9, 1981 | Jun 9, 1981 | Exxon Corp. | Sauz Ranch Mulatos Pasture #167 | 6,800 | 48930659 |
| 124878 | Jun 5, 1981 | Jun 5, 1981 | Yturria-Jones | Yturria Cattle Co 06913 #13 | 6,100 | 48900646 |
| 119981 | Jun 4, 1981 | Jun 4, 1981 | Mabee Petroleum Corp. | Yturria Cattle Co. "B" #1 | 6,030 | 48900613 |
| 121453 | Jun 1, 1981 | Jun 1, 1981 | Pinnell, H. P. Trustee | El Sauz Ranch Nopal #3 | 4,000 | 48930594 |
| 118937 | May 1, 1981 | May 1, 1981 | Amoco Production Company | A.B. Crane #4 | 6,200 | 48930657 |
| 116121 | Apr 27, 1981 | Apr 27, 1981 | Exxon Corp. | Sauz Ranch Mulatos Pasture #120 | 8,000 | 48900210 |
| 114230 | Apr 8, 1981 | Apr 8, 1981 | Energy Development Corp. | Wertz, Dr. C.E. #1 | 10,959 | 48930653 |
| 114201 | Apr 2, 1981 | Apr 2, 1981 | Exxon Corp. | Sauz Ranch-Mulatos Pasture #170 | 7,200 | 48930652 |
| 113452 | Mar 26, 1981 | Mar 26, 1981 | Exxon Corp. | Bell, S.H. #B-7 | 7,000 | 48930649 |
| 109849 | Feb 27, 1981 | Feb 27, 1981 | Petroleum Management, Inc. | Yturria Cattle Co. #1 | 6,675 | 48930080 |
| 109324 | Feb 20, 1981 | Feb 20, 1981 | Geo Exploration, Inc. | Stone-Labar Bros. #1 | 8,500 | 48930645 |
| 109088 | Feb 20, 1981 | Feb 20, 1981 | Exxon Corp. | Sauz Ranch Mulatos Pasture #116 | 7,744 | 48900219 |
| 108250 | Feb 12, 1981 | Feb 12, 1981 | Mabee Petroleum Corp. | Yturria Cattle Co. "C" #1D | 7,620 | 48900637 |
| 108209 | Feb 11, 1981 | Feb 11, 1981 | Amoco Production Company | Willamar West /Miocene/ Unit #M-11 | 8,056 | 48900258 |
| 108196 | Feb 11, 1981 | Feb 11, 1981 | Petroleum Management, Inc. | Yturria Cattle Company #10 | 8,600 | 48930644 |
| 108185 | Feb 11, 1981 | Feb 11, 1981 | Exxon Corp. | Sauz Ranch-Mulatos Pasture #168 | 8,100 | 48930642 |
| 107432 | Feb 4, 1981 | Feb 4, 1981 | Exxon Corp. | Sauz Ranch - Mulatos Pasture #169 | 8,150 | 48930640 |
| 106973 | Jan 30, 1981 | Jan 30, 1981 | Texaco Inc. | Yturria L & L Co "a" NCT-1 #12-J | 8,168 | 48900053 |
| 106157 | Jan 23, 1981 | Jan 23, 1981 | Petroleum Management, Inc. | Yturria Cattle Company #9 | 8,240 | 48930638 |
| 105160 | Jan 14, 1981 | Jan 14, 1981 | Exxon Corp. | Sauz Ranch Mulatos Pasture #59 | 8,000 | 48900153 |
| 105158 | Jan 14, 1981 | Jan 14, 1981 | Exxon Corp. | Sauz Ranch Mulatos Pasture #39 | 8,000 | 48900177 |
| 106610 | Jan 9, 1981 | Jan 9, 1981 | Yturria-Jones | Yturria Cattle Co. #14 | 5,300 | 48900649 |
| 103627 | Dec 31, 1980 | Dec 31, 1980 | Texaco Inc. | Yturria L & C Co. NCT-2 #47 | 6,565 | 48930087 |
| 103624 | Dec 31, 1980 | Dec 31, 1980 | Texaco Inc. | Yturria L & L Co. 'a' NCT -1 #12-F | 8,168 | 48900053 |
| 103586 | Dec 31, 1980 | Dec 31, 1980 | Exxon Corp. | Sauz Ranch Mulatos Pasture #166 | 6,800 | 48930637 |
| 102446 | Dec 16, 1980 | Dec 16, 1980 | Alaniz, Ernest | Kipp-Lincoln #1 | 8,190 | 48930636 |
| 101645 | Dec 10, 1980 | Dec 10, 1980 | Exxon Corp. | Sauz Ranch-Mulatos Pasture #165 | 8,500 | 48930635 |
| 100129 | Nov 21, 1980 | Nov 21, 1980 | Exxon Corp. | Bell, S. H. "B" #3 | 7,856 | 48900240 |
| 99290 | Nov 7, 1980 | Nov 7, 1980 | Exxon Corp. | Sauz Ranch Mulatos Pasture #164 | 8,500 | 48930632 |
| 98474 | Nov 7, 1980 | Nov 7, 1980 | Amoco Production Company | Willamar West Field Unit #144 | 8,050 | 48930633 |
| 95745 | Oct 16, 1980 | Oct 16, 1980 | Amoco Production Company | Willamar Community "U" #1 | 7,941 | 48900410 |
| 95556 | Oct 14, 1980 | Oct 14, 1980 | Texaco Inc. | Yturria L&L Co. "a" NCT-1 #14-F | 8,200 | 48900050 |
| 95241 | Oct 9, 1980 | Oct 9, 1980 | Flournoy Production Co. | Todd Gas Unit #1 #1 | 8,930 | 48930616 |
| 95208 | Oct 9, 1980 | Oct 9, 1980 | Texaco Inc. | Yturria L&L Co. "a" NCT-1 #21 | 7,644 | 48900604 |
| 94859 | Oct 1, 1980 | Oct 1, 1980 | Amoco Production Company | Willamar Community "E" #6 | 6,800 | 48930617 |
| 93907 | Sep 26, 1980 | Sep 26, 1980 | Amoco Production Company | Bell, S. H. #5 | 6,500 | 48930631 |
| 93906 | Sep 26, 1980 | Sep 26, 1980 | Amoco Production Company | Bell, S. H. #6 | 6,500 | 48930630 |
| 92668 | Sep 16, 1980 | Sep 16, 1980 | Texaco Inc. | Yturria L & C Co. NCT-2 #20-H | 7,600 | 48900623 |
| 92667 | Sep 16, 1980 | Sep 16, 1980 | Exxon Corp. | Kleberg R.J., Jr. Tr., Stillman #8 | 10,650 | 48900552 |
| 91751 | Sep 8, 1980 | Sep 8, 1980 | Exxon Corp. | Sauz Ranch-Mulatos Pasture #162 | 8,400 | 48930629 |
| 91585 | Sep 5, 1980 | Sep 5, 1980 | Paragon Resources, Inc. | Corbett #1 | 9,600 | 48930628 |
| 90304 | Aug 20, 1980 | Aug 20, 1980 | Texaco Inc. | Yturria L & L Co., 'a' NCT-1 #22 | 7,763 | 48900622 |
| 89296 | Aug 8, 1980 | Aug 8, 1980 | Genesis Petroleum Corporation | Yturria Cattle Company #1 | 6,600 | 48930627 |
| 89295 | Aug 8, 1980 | Aug 8, 1980 | Genesis Petroleum Corporation | Yturria Cattle Company #2 | 6,600 | 48930626 |
| 86998 | Jul 18, 1980 | Jul 18, 1980 | Exxon Corp. | Bell, S. H. "B" #6 | 8,400 | 48930625 |
| 85494 | Jun 30, 1980 | Jun 30, 1980 | Petrotex Management Co. | Armendaiz et al "B" #1 | 4,050 | 48930065 |
| 85196 | Jun 26, 1980 | Jun 26, 1980 | Energy Sources, Inc. | Parham, Ellie SWD #4D | 2,600 | 48930623 |
| 85012 | Jun 25, 1980 | Jun 25, 1980 | Texaco Inc. | Yturria L. & L. Co., "a" NCT-1 #25H | 7,610 | 48900628 |
| 84855 | Jun 24, 1980 | Jun 24, 1980 | Alaniz, Ernest | Galvan, Miyoko et Al #1 | 8,200 | 48930624 |
| 81759 | May 21, 1980 | May 21, 1980 | Dorchester Exploration, Inc. | Bakke #1 | 10,588 | 48930622 |
| 80245 | May 5, 1980 | May 5, 1980 | Texas Gas Exploration Corp. | Hart, Brite #1 | 17,500 | 48930621 |
| 78955 | Apr 17, 1980 | Apr 17, 1980 | Flournoy Production Co. | Todd Gas Unit #1 #1 | 8,930 | 48930616 |
| 75868 | Mar 20, 1980 | Mar 20, 1980 | Amoco Production Company | Willamar Community #2 | 5,320 | 48930619 |
| 75863 | Mar 20, 1980 | Mar 20, 1980 | Amoco Production Company | Willamar West /Miocene/ Unit #M14 | 4,900 | 48930618 |
| 75569 | Mar 18, 1980 | Mar 18, 1980 | Amoco Production Company | Willamar Community "E" #6 | 6,800 | 48930617 |
| 72061 | Feb 7, 1980 | Feb 7, 1980 | Flournoy Production Co. | Todd Oil Unit #1 #1 | 8,930 | 48930616 |
| 71234 | Jan 28, 1980 | Jan 28, 1980 | Alaniz, Ernest | Cavazos, Rogerio #1 | 5,280 | 48930615 |
| 70958 | Jan 28, 1980 | Jan 28, 1980 | Convest Energy Corporation | Rhodes-Darling Unit #1 | 10,681 | 48930576 |
| 70686 | Jan 24, 1980 | Jan 24, 1980 | Texaco Inc. | Yturria, L & C Co., NCT-2 #48 | 6,565 | 48930086 |
| 67975 | Dec 31, 1979 | Dec 31, 1979 | Exxon Corp. | Sauz Ranch Mulatos Pasture #39 | 7,950 | 48900177 |
| 66935 | Dec 17, 1979 | Dec 17, 1979 | Texaco Inc. | Yturria L&L Co. 'a' NCT-1 #31 | 6,620 | 48930079 |
| 69577 | Dec 7, 1979 | Dec 7, 1979 | Exxon Corp. | Sauz Ranch Mulatos Pasture #154 | 6,385 | 48930044 |
| 66220 | Dec 4, 1979 | Dec 4, 1979 | Anderman Operating Co. | Rio Farms, Inc. #1 | 10,190 | 48930614 |
| 65262 | Dec 3, 1979 | Dec 3, 1979 | Exxon Corp. | Kleberg,r.j.,jr,tr.,stillman Pas #36 | 9,565 | 48930578 |
| 68958 | Nov 29, 1979 | Nov 29, 1979 | Amoco Production Company | Gas Unit a Zone 8 #2 | 13,500 | 48930613 |
| 63876 | Nov 15, 1979 | Nov 15, 1979 | Exxon Corp. | Sauz Ranch Mulatos Pasture #4 | 7,955 | 48900186 |
| 60499 | Oct 15, 1979 | Oct 15, 1979 | Exxon Corp. | Sauz Ranch - Tenerias #14 | 8,900 | 48930611 |