| 60433 | Oct 12, 1979 | Oct 12, 1979 | Amoco Production Company | Corbett, C. M. -B- #1 | 9,900 | 48930610 |
| 60409 | Oct 12, 1979 | Oct 12, 1979 | Exxon Corp. | Kleberg,r. J. Tr. Stillman #44 | 10,400 | 48930609 |
| 60091 | Oct 10, 1979 | Oct 10, 1979 | Crystal Oil Co.-Ley Petro. Corp. | Hendricks, Phoebie #1 | 10,500 | 48930608 |
| 58964 | Sep 26, 1979 | Sep 26, 1979 | McCormick Oil & Gas Corp. | Jones, I. L. #1 | 10,934 | 48930607 |
| 58714 | Sep 24, 1979 | Sep 24, 1979 | Amoco Production Company | West, Willamar /Miocene/ Unit #M12 | 5,500 | 48930606 |
| 58079 | Sep 17, 1979 | Sep 17, 1979 | Texaco Inc. | Yturria L&L Co. "a" NCT-1 #21 | 7,644 | 48900604 |
| 57390 | Sep 6, 1979 | Sep 6, 1979 | Texaco Inc. | Yturria L&C Co., NCT-2 #48 | 6,565 | 48930086 |
| 56144 | Aug 21, 1979 | Aug 21, 1979 | Texaco Inc. | Yturria L&L Co. "a" NCT-1 #14J | 8,200 | 48900050 |
| 55445 | Aug 13, 1979 | Aug 13, 1979 | Weaver Oil & Gas Corp. | Goetzke, E. M. #1 | 1,099 | 48930605 |
| 54792 | Aug 7, 1979 | Aug 7, 1979 | Exxon Corp. | Bell, S. H. "B" #5 | 8,230 | 48930604 |
| 53691 | Jul 25, 1979 | Jul 25, 1979 | Centura Incorporated | Solis #1 | 8,700 | 48930603 |
| 52900 | Jul 16, 1979 | Jul 16, 1979 | Convest Energy Corporation | Floyd, Murray Gas Unit #1 | 10,300 | 48930602 |
| 52317 | Jul 6, 1979 | Jul 6, 1979 | Texaco Inc. | Yturria L&L Co. "a" NCT-1 #25H | 7,615 | 48900628 |
| 51459 | Jun 21, 1979 | Jun 21, 1979 | Anderson,t.g. & Bowman,e.l. | Savage, Lera #1 | 8,513 | 48930601 |
| 50664 | Jun 13, 1979 | Jun 13, 1979 | Exxon Corp. | Sauz Ranch Mulatos Pasture #57 | 7,752 | 48900243 |
| 50509 | Jun 12, 1979 | Jun 12, 1979 | Amoco Production Company | Willamar West (Miocene) Unit #M13 | 5,000 | 48930119 |
| 50477 | Jun 11, 1979 | Jun 11, 1979 | Exxon Corp. | Sauz Ranch Mulatos Pasture #19 | 7,725 | 48900330 |
| 50476 | Jun 11, 1979 | Jun 11, 1979 | Exxon Corp. | Sauz Ranch Mulatos Pasture #49 | 7,950 | 48900162 |
| 50255 | Jun 7, 1979 | Jun 7, 1979 | Integral Energy Corp. | Petroleum Company #1 | 7,800 | 48930581 |
| 49710 | May 30, 1979 | May 30, 1979 | Alaniz, Ernest | Cavazos, E. #1 | 8,020 | 48930600 |
| 48881 | May 21, 1979 | May 21, 1979 | Texaco Inc. | Yturria L&C Co. NCT-2 #43 | 7,700 | 48930599 |
| 48067 | May 8, 1979 | May 8, 1979 | Exxon Corp. | Kleberg, R. J. Jr., Tr. Stillman #8 | 10,650 | 48900552 |
| 47341 | Apr 27, 1979 | Apr 27, 1979 | Convest Energy Corporation | Rhodes-Darling Unit #1 | 10,681 | 48930576 |
| 45881 | Apr 5, 1979 | Apr 5, 1979 | Texaco Inc. | Yturria L & L Co. "a" NCT-1 #12H | 8,168 | 48900053 |
| 46307 | Apr 2, 1979 | Apr 2, 1979 | Amoco Production Company | Eby, J. Brian #2 | 5,302 | 48900408 |
| 45678 | Mar 23, 1979 | Mar 23, 1979 | Amoco Production Company | Gas Unit a Zone 8 #2 | 13,500 | 48930613 |
| 44821 | Mar 22, 1979 | Mar 22, 1979 | Amoco Production Company | Willamar West (Miocene) Unit #MOO1 | 6,000 | 48900562 |
| 44819 | Mar 22, 1979 | Mar 22, 1979 | Amoco Production Company | Willamar West (Miocene) Unit #MOO7 | 5,500 | 48900595 |
| 44781 | Mar 21, 1979 | Mar 21, 1979 | Amoco Production Company | Willamar West (Miocene) Unit #M008 | 1,500 | 48900596 |
| 44688 | Mar 16, 1979 | Mar 16, 1979 | Exxon Corp. | Bell, S H. "B" #4 | 9,400 | 48930597 |
| 44010 | Mar 9, 1979 | Mar 9, 1979 | Mabee Petroleum Corp. | Yturria Cattle Co. #17D | 3,118 | 48900678 |
| 42724 | Feb 20, 1979 | Feb 20, 1979 | Exxon Corp. | Bell, S. H. "B" #2 | 7,900 | 48900228 |
| 42718 | Feb 16, 1979 | Feb 16, 1979 | Exxon Corp. | Sauz Ranch Mulatos Pasture #55 | 7,946 | 48900173 |
| 41799 | Jan 31, 1979 | Jan 31, 1979 | Texaco Inc. | Yturria L&L Co. "a" NCT-1 #15F | 9,215 | 48900586 |
| 41785 | Jan 31, 1979 | Jan 31, 1979 | Texaco Inc. | Yturria L & C Co. NCT-2 #32 | 7,765 | 48930021 |
| 40807 | Jan 12, 1979 | Jan 12, 1979 | Exxon Corp. | Sauz Ranch Mulatos Pasture #17 | 7,965 | 48900214 |
| 38997 | Dec 13, 1978 | Dec 13, 1978 | Amoco Production Company | Corbett, C. M. #1 | 10,600 | 48930596 |
| 38808 | Dec 13, 1978 | Dec 13, 1978 | Texaco Inc. | Yturria L&L Co. "a" NCT-1 #14-H | 8,200 | 48900050 |
| 38693 | Dec 12, 1978 | Dec 12, 1978 | Texaco Inc. | Yturria L&L Co. "a" NCT-1 #13-F | 9,931 | 48900054 |
| 38352 | Dec 7, 1978 | Dec 7, 1978 | Pinnell, H. P. Trustee | El Sauz Ranch Nopal #2 | 4,000 | 48930595 |
| 38351 | Dec 7, 1978 | Dec 7, 1978 | Pinnell, H. P. Trustee | El Sauz Ranch Nopal #3 | 4,000 | 48930594 |
| 38349 | Dec 7, 1978 | Dec 7, 1978 | Pinnell, H. P. Trustee | El Sauz Ranch Nopal #4 | 4,000 | 48930593 |
| 36850 | Nov 14, 1978 | Nov 14, 1978 | Texaco Inc. | Yturria L&L Co. "a" NCT-1 #12-F | 7,655 | 48900053 |
| 36491 | Nov 8, 1978 | Nov 8, 1978 | Amoco Production Company | Stone Gas Unit #2 | 12,500 | 48930592 |
| 35649 | Oct 26, 1978 | Oct 26, 1978 | Exxon Corp. | Bell, S. H. #4 | 8,260 | 48920015 |
| 33470 | Sep 26, 1978 | Sep 26, 1978 | Exxon Corp. | Sauz Ranch Mulatos Pasture #163 | 8,400 | 48930591 |
| 33021 | Sep 19, 1978 | Sep 19, 1978 | Exxon Corp. | Sauz Ranch Mulatos Pasture #161 | 8,400 | 48930590 |
| 32775 | Sep 15, 1978 | Sep 15, 1978 | Exxon Corp. | Bell, S. H. #5 | 8,400 | 48930589 |
| 32491 | Sep 13, 1978 | Sep 13, 1978 | Texaco Inc. | Yturria L & L Co. "a" NCT-1 #12-F | 8,168 | 48900053 |
| 32399 | Sep 12, 1978 | Sep 12, 1978 | Texaco Inc. | Yturria L & L Co. 'a' NCT-1 #13-H | 10,500 | 48900054 |
| 32255 | Sep 11, 1978 | Sep 11, 1978 | Texaco Inc. | Yturria L & L Co. "a" NCT-1 #15-F | 9,215 | 48900586 |
| 31183 | Aug 23, 1978 | Aug 23, 1978 | Texaco Inc. | Yturria L & C Co. NCT-2 #15-H | 7,515 | 48900600 |
| 30428 | Jul 31, 1978 | Jul 31, 1978 | Integral Energy Corp. | Petroleum Company #1 | 7,800 | 48930581 |
| 28963 | Jul 21, 1978 | Jul 21, 1978 | Convest Energy Corporation | Darling, Gerdts Unit #1 | 10,800 | 48930588 |
| 26881 | Jun 20, 1978 | Jun 20, 1978 | Exxon Corp. | Sauz Ranch Mulatos Pasture #149 | 5,512 | 48900561 |
| 26617 | Jun 16, 1978 | Jun 16, 1978 | Convest Energy Corporation | Wertz, C. E. #1 | 10,500 | 48930587 |
| 26239 | Jun 12, 1978 | Jun 12, 1978 | Petrotex Management Co. | Armendaiz et Al #5-T | 4,000 | 48930054 |
| 26107 | Jun 9, 1978 | Jun 9, 1978 | Exxon Corp. | Kleberg,r.j.jr.,tr.stillman Past #40 | 10,000 | 48930586 |
| 25156 | May 25, 1978 | May 25, 1978 | Samedan Oil Corporation | Bomba #1 | 10,475 | 48930585 |
| 24850 | May 22, 1978 | May 22, 1978 | Amoco Production Company | La Sal Viega Gas Unit #2 | 12,000 | 48930584 |
| 25632 | May 18, 1978 | May 18, 1978 | Medallion Oil Co. | Joseph. M. H. et Al #1 | 9,267 | 48980246 |
| 24583 | May 18, 1978 | May 18, 1978 | Pinnell, H. P. Trustee | El Sauz Ranch Nopal #1 | 8,000 | 48930583 |
| 24070 | May 12, 1978 | May 12, 1978 | Convest Energy Corporation | Savage, Floe #1 | 9,900 | 48930582 |
| 21385 | Apr 4, 1978 | Apr 4, 1978 | Texaco Inc. | Yturria L & L Co. "a" NCT-1 #12-H | 8,168 | 48900053 |
| 20217 | Mar 16, 1978 | Mar 16, 1978 | Texaco Inc. | Yturria L & L Co.-A- NCT-1 #13-H | 10,500 | 48900054 |
| 20216 | Mar 16, 1978 | Mar 16, 1978 | Texaco Inc. | Yturria L & L Co.-A- NCT-1 #14-F | 8,200 | 48900050 |
| 19324 | Mar 1, 1978 | Mar 1, 1978 | Petrotex Management Co. | Armendaiz et Al #4 | 4,248 | 48930051 |
| 18009 | Feb 10, 1978 | Feb 10, 1978 | Texaco Inc. | Yturria L & C Co. NCT-2 #20-H | 7,600 | 48900623 |
| 18007 | Feb 10, 1978 | Feb 10, 1978 | Texaco Inc. | Yturria L & C Co. NCT-2 #27-F | 7,650 | 48900621 |
| 18005 | Feb 10, 1978 | Feb 10, 1978 | Texaco Inc. | Yturria L & C Co. NCT-2 #27-H | 7,650 | 48900621 |
| 18004 | Feb 10, 1978 | Feb 10, 1978 | Texaco Inc. | Yturria L & L Co. "a" NCT-1 #12-J | 8,168 | 48900053 |
| 17465 | Feb 1, 1978 | Feb 1, 1978 | Petrotex Management Co. | Armendaiz, et Al #1 | 3,800 | 48930032 |
| 17455 | Feb 1, 1978 | Feb 1, 1978 | Petrotex Management Co. | Armendaiz et al "B" #2 | 4,060 | 48930074 |
| 16348 | Jan 13, 1978 | Jan 13, 1978 | Texaco Inc. | Yturria L & L Co. "a" NCT-1 #17 | 8,105 | 48900591 |
| 12136 | Nov 15, 1977 | Nov 15, 1977 | Texaco Inc. | Yturria L & L Co. "a" NCT-1 #25-H | 7,615 | 48900628 |
| 11754 | Nov 8, 1977 | Nov 8, 1977 | Texaco Inc. | Yturria L & L Co. "a" NCT-1 #14-D | 8,200 | 48900050 |
| 22817 | Nov 3, 1977 | Nov 3, 1977 | Superior Oil Company, The | Ely, W. W. #1 #1 | 7,250 | 48900514 |
| 13277 | Nov 3, 1977 | Nov 3, 1977 | Superior Oil Company, The | Ely, W. W. #1 | 7,250 | 48900514 |
| 11203 | Nov 2, 1977 | Nov 2, 1977 | Integral Energy Corp. | Petroleum Company #1 | 7,800 | 48930581 |
| 6119 | Oct 28, 1977 | Oct 28, 1977 | Texaco Inc. | Yturria L & C Co. NCT-2 #20-F | 7,600 | 48900623 |
| 10245 | Oct 20, 1977 | Oct 20, 1977 | Amoco Production Company | Geis, Harvey #1 | 8,900 | 48900519 |
| 10075 | Oct 18, 1977 | Oct 18, 1977 | Texaco Inc. | Yturria L & C Co. NCT-2 #49 | 6,512 | 48930101 |
| 9934 | Oct 17, 1977 | Oct 17, 1977 | Texaco Inc. | Yturria L & L Co. "a" NCT-1 #14-J | 8,200 | 48900050 |
| 8081 | Sep 21, 1977 | Sep 21, 1977 | Madera, R. F. | Hidalgo-Willacy Gas Unit #1 | 2,600 | 48930580 |
| 6606 | Aug 31, 1977 | Aug 31, 1977 | Quintana Pet. Corp. | Rudco Fee #1 | 10,500 | 48930579 |
| 4356 | Aug 1, 1977 | Aug 1, 1977 | Exxon Corp. | Kleberg,rj,jr,tr.,stillman Past. #36 | 10,000 | 48930578 |
| 4355 | Aug 1, 1977 | Aug 1, 1977 | Exxon Corp. | Kleberg,rj,jr.tr. Stillman Past. #37 | 10,000 | 48930577 |
| 4162 | Jul 28, 1977 | Jul 28, 1977 | Petroleum Management, Inc. | Yturria Cattle Co. #B-3 | 7,600 | 48900610 |
| 4160 | Jul 28, 1977 | Jul 28, 1977 | Petroleum Management, Inc. | Yturria Cattle Co. #B-1 | 7,600 | 48900574 |
| 3944 | Jul 26, 1977 | Jul 26, 1977 | Texaco Inc. | Yturria L & L Co. "a" NCT-1 #17 | 8,105 | 48900591 |
| 3685 | Jul 22, 1977 | Jul 22, 1977 | Convest Energy Corporation | Rhodes - Darling Unit #1 | 10,700 | 48930576 |
| 3334 | Jul 18, 1977 | Jul 18, 1977 | Texaco Inc. | Yturria L & L Co. -a- NCT-1 #26 | 7,765 | 48900631 |
| 3333 | Jul 18, 1977 | Jul 18, 1977 | Texaco Inc. | Yturria L & L Co. -a- NCT-1 #13 | 10,500 | 48900054 |
| 1385 | Jun 22, 1977 | Jun 22, 1977 | Exxon Corp. | Sauz Ranch Mulatos Pasture #85 | 8,015 | 48900184 |
| 1380 | Jun 22, 1977 | Jun 22, 1977 | Texaco Inc. | Yturria L & L Co. "a" NCT-1 #31 | 6,620 | 48930079 |
| 1052 | Jun 13, 1977 | Jun 13, 1977 | Mitchell Energy Corporation | Robbins, M. B. #1 | 12,000 | 48930120 |