| 123472 | Jul 1, 1981 | Jul 1, 1981 | Young, Marshall R., Oil Company | Shackelford | Cook, W.I. #56 88A | 1,500 | 41734037 |
| 118465 | May 19, 1981 | May 19, 1981 | Young, Marshall R., Oil Company | Terry | Prentice NW (San Andres) Unit #I-11 | 5,300 | 44530946 |
| 118464 | May 19, 1981 | May 19, 1981 | Young, Marshall R., Oil Company | Terry | Prentice NW (San Andres) Unit #I-8 | 5,300 | 44530945 |
| 118462 | May 19, 1981 | May 19, 1981 | Young, Marshall R., Oil Company | Terry | Prentice NW (San Andres) Unit #I-4 | 5,300 | 44530944 |
| 118461 | May 19, 1981 | May 19, 1981 | Young, Marshall R., Oil Company | Terry | Prentice NW (San Andres) Unit #I-1 | 5,300 | 44530939 |
| 118460 | May 19, 1981 | May 19, 1981 | Young, Marshall R., Oil Company | Terry | Prentice NW (San Andres) Unit #I-10 | 5,300 | 44530940 |
| 118459 | May 19, 1981 | May 19, 1981 | Young, Marshall R., Oil Company | Terry | Prentice NW (San Andres) Unit #I-2 | 5,300 | 44530941 |
| 118457 | May 19, 1981 | May 19, 1981 | Young, Marshall R., Oil Company | Terry | Prentice NW (San Andres) Unit #I-3 | 5,300 | 44530942 |
| 118456 | May 19, 1981 | May 19, 1981 | Young, Marshall R., Oil Company | Terry | Prentice NW (Sanandres) Unit #I-6 | 5,300 | 44530948 |
| 118454 | May 19, 1981 | May 19, 1981 | Young, Marshall R., Oil Company | Terry | Prentice NW (San Andres) Unit #I-5 | 5,300 | 44530947 |
| 118932 | May 18, 1981 | May 18, 1981 | Young, Marshall R., Oil Company | Howard | Willcox et Al #2 | 10,300 | 22732446 |
| 118093 | May 14, 1981 | May 14, 1981 | Young, Marshall R., Oil Company | Hockley | Burger Sec. 10 #1 | 6,750 | 21933214 |
| 117678 | May 12, 1981 | May 12, 1981 | Young, Marshall R., Oil Company | Terry | Prentice NW San Andres Unit #12 I | 5,300 | 44530930 |
| 117677 | May 12, 1981 | May 12, 1981 | Young, Marshall R., Oil Company | Terry | Prentice NW San Andres Unit #14 I | 5,300 | 44530929 |
| 117672 | May 12, 1981 | May 12, 1981 | Young, Marshall R., Oil Company | Terry | Prentice NW San Andres Unit #13 I | 5,300 | 44530933 |
| 117671 | May 12, 1981 | May 12, 1981 | Young, Marshall R., Oil Company | Terry | Prentice Nwsan Andres Unit #9 I | 5,300 | 44530932 |
| 117670 | May 12, 1981 | May 12, 1981 | Young, Marshall R., Oil Company | Terry | Prentice NW San Andres Unit #15 I | 5,300 | 44530931 |
| 116042 | Apr 27, 1981 | Apr 27, 1981 | Young, Marshall R., Oil Company | Ward | Johnson, M. L. #6 | 2,400 | 47532311 |
| 116040 | Apr 27, 1981 | Apr 27, 1981 | Young, Marshall R., Oil Company | Ward | Johnson, M. L. #7 | 2,300 | 47532310 |
| 116039 | Apr 27, 1981 | Apr 27, 1981 | Young, Marshall R., Oil Company | Ward | Johnson, M. L. #5 | 2,400 | 47532309 |
| 116035 | Apr 27, 1981 | Apr 27, 1981 | Young, Marshall R., Oil Company | Ward | Johnson, M. L. #4 | 2,400 | 47532308 |
| 116034 | Apr 27, 1981 | Apr 27, 1981 | Young, Marshall R., Oil Company | Ward | Johnson, M. L. #2 | 2,400 | 47532307 |
| 116032 | Apr 27, 1981 | Apr 27, 1981 | Young, Marshall R., Oil Company | Ward | Johnson, M. L. #1 | 2,400 | 47532306 |
| 124672 | Apr 20, 1981 | Apr 20, 1981 | Young, Marshall R., Oil Company | Hockley | D.L.S. (San Andres) Unit #706 | 5,200 | 21933188 |
| 121020 | Apr 20, 1981 | Apr 20, 1981 | Young, Marshall R., Oil Company | Hockley | D.L.S (San Andres) Unit #706 | 5,200 | 21933188 |
| 115653 | Apr 20, 1981 | Apr 20, 1981 | Young, Marshall R., Oil Company | Hockley | D.L.S. (San Andres) Unit #102 R | 5,200 | 21933192 |
| 116211 | Apr 10, 1981 | Apr 10, 1981 | Young, Marshall R., Oil Company | Sutton | Reiley #1 | 4,500 | 43532498 |
| 114948 | Apr 8, 1981 | Apr 8, 1981 | Young, Marshall R., Oil Company | Borden | Good #1 | 7,950 | 03330667 |
| 114974 | Apr 3, 1981 | Apr 3, 1981 | Young, Marshall R., Oil Company | Shackelford | Cook, W.I. #54 60C | 1,300 | 41733846 |
| 113401 | Mar 27, 1981 | Mar 27, 1981 | Young, Marshall R., Oil Company | Ward | Johnson, M.L. #3 | 2,400 | 47532285 |
| 110378 | Mar 3, 1981 | Mar 3, 1981 | Young, Marshall R., Oil Company | Kent | Johnson, Weldon & Ida Sue "A" #2 | 7,800 | 26330751 |
| 108560 | Feb 17, 1981 | Feb 17, 1981 | Young, Marshall R., Oil Company | Terry | Northwest Terry (Abo) Unit #307I | 8,100 | 44530911 |
| 108559 | Feb 17, 1981 | Feb 17, 1981 | Young, Marshall R., Oil Company | Terry | Northwest Terry (Abo) Unit #603I | 8,100 | 44530912 |
| 108558 | Feb 17, 1981 | Feb 17, 1981 | Young, Marshall R., Oil Company | Terry | Northwest Terry (Abo) Unit #306I | 8,100 | 44530909 |
| 108557 | Feb 17, 1981 | Feb 17, 1981 | Young, Marshall R., Oil Company | Terry | Northwest Terry (Abo) Unit #203I | 8,100 | 44530910 |
| 106414 | Jan 26, 1981 | Jan 26, 1981 | Young, Marshall R., Oil Company | Terry | Northwest Terry (Abo) Unit #305 I | 8,100 | 44530903 |
| 107150 | Jan 14, 1981 | Jan 14, 1981 | Young, Marshall R., Oil Company | Hockley | D. L. S. (San Andres) Unit #705 | 5,200 | 21933055 |
| 104496 | Dec 31, 1980 | Dec 31, 1980 | Young, Marshall R., Oil Company | Shackelford | Cook "B", Section 81 #6 | 1,204 | 41733676 |
| 102168 | Dec 12, 1980 | Dec 12, 1980 | Young, Marshall R., Oil Company | Terry | Northwest Terry (Abo) Unit #308 | 8,100 | 44530893 |
| 102104 | Dec 12, 1980 | Dec 12, 1980 | Young, Marshall R., Oil Company | Andrews | Nelson (Wichita-Albany) Unit #206 | 7,600 | 00332558 |
| 100952 | Dec 4, 1980 | Dec 4, 1980 | Young, Marshall R., Oil Company | Hockley | Burger Sec. 9 #1 | 5,200 | 21933051 |
| 98315 | Nov 7, 1980 | Nov 7, 1980 | Young, Marshall R., Oil Company | Sutton | Joseph et Al #1 | 4,250 | 43532421 |
| 95347 | Oct 10, 1980 | Oct 10, 1980 | Young, Marshall R., Oil Company | Shackelford | Cook "B" Section 81 #5 | 1,200 | 41733527 |
| 94714 | Sep 12, 1980 | Sep 12, 1980 | Young, Marshall R., Oil Company | Garza | Swenson-Bird #1 | 8,100 | 16931352 |
| 89402 | Aug 5, 1980 | Aug 5, 1980 | Young, Marshall R., Oil Company | Hockley | D.L.S. (San Andres) Unit #406 | 5,200 | 21932951 |
| 87392 | Jul 22, 1980 | Jul 22, 1980 | Young, Marshall R., Oil Company | Hockley | D. L. S. (San Andres) Unit #704 | 5,200 | 21932938 |
| 86735 | Jul 15, 1980 | Jul 15, 1980 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. #47 85A | 1,400 | 41781764 |
| 86733 | Jul 15, 1980 | Jul 15, 1980 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. #49 85A | 1,400 | 41700655 |
| 86306 | Jul 10, 1980 | Jul 10, 1980 | Young, Marshall R., Oil Company | Shackelford | Cook "a", Sec. 81 #11 | 1,200 | 41733414 |
| 83840 | Jun 13, 1980 | Jun 13, 1980 | Young, Marshall R., Oil Company | Crockett | Dudley et Al #1 | 11,362 | 10532931 |
| 82128 | May 27, 1980 | May 27, 1980 | Young, Marshall R., Oil Company | Garza | Beggs Trust #1C | 2,546 | 16931280 |
| 79554 | Apr 23, 1980 | Apr 23, 1980 | Young, Marshall R., Oil Company | Crockett | University 14-33 #1 | 10,000 | 10532721 |
| 79609 | Apr 14, 1980 | Apr 14, 1980 | Young, Marshall R., Oil Company | Crockett | University 9-33 #1 | 9,670 | 10532322 |
| 80484 | Mar 19, 1980 | Mar 19, 1980 | Young, Marshall R., Oil Company | Hockley | D.L.S. (San Andres) Unit #307 | 5,200 | 21932848 |
| 74764 | Mar 11, 1980 | Mar 11, 1980 | Young, Marshall R., Oil Company | Hockley | Champlin, S. V. et Al #1 | 11,300 | 21932849 |
| 73955 | Feb 29, 1980 | Feb 29, 1980 | Young, Marshall R., Oil Company | Hockley | D.L.S. (San Andres) Unit #405 | 5,200 | 21932839 |
| 73917 | Feb 29, 1980 | Feb 29, 1980 | Young, Marshall R., Oil Company | Lubbock | Myatt, Max V. #1 | 4,650 | 30330549 |
| 69086 | Jan 9, 1980 | Jan 9, 1980 | Young, Marshall R., Oil Company | Sutton | Wood #1 | 3,330 | 43532298 |
| 66360 | Dec 10, 1979 | Dec 10, 1979 | Young, Marshall R., Oil Company | Crockett | University 9-33 #2 | 1,614 | 10532575 |
| 61553 | Oct 23, 1979 | Oct 23, 1979 | Young, Marshall R., Oil Company | Shackelford | Cook "a", Sec. 85 #50 | 1,400 | 41781770 |
| 61552 | Oct 23, 1979 | Oct 23, 1979 | Young, Marshall R., Oil Company | Shackelford | Cook "a", Sec. 85 #51 | 1,450 | 41781771 |
| 58783 | Sep 24, 1979 | Sep 24, 1979 | Young, Marshall R., Oil Company | Lubbock | Wilson, W. R. Est. #1 | 4,102 | 30330506 |
| 58532 | Sep 20, 1979 | Sep 20, 1979 | Young, Marshall R., Oil Company | Howard | Willcox et Al #1 | 10,500 | 22731973 |
| 58148 | Sep 18, 1979 | Sep 18, 1979 | Young, Marshall R., Oil Company | Hockley | Dopson, Vivian #3 | 5,860 | 21932720 |
| 54993 | Aug 8, 1979 | Aug 8, 1979 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. Est. Sec. 139-B #13 | 1,645 | 41732064 |
| 52980 | Jul 16, 1979 | Jul 16, 1979 | Young, Marshall R., Oil Company | Howard | Guitar Trust Estate #1 | 11,000 | 22731912 |
| 51981 | Jul 2, 1979 | Jul 2, 1979 | Young, Marshall R., Oil Company | Pecos | Baker, Mary et Al #1 | 8,000 | 37132799 |
| 51664 | Jun 26, 1979 | Jun 26, 1979 | Young, Marshall R., Oil Company | Terry | Pool, Louise et Al #10W | 8,100 | 44530776 |
| 51598 | Jun 26, 1979 | Jun 26, 1979 | Young, Marshall R., Oil Company | Sutton | Schwiening #1 | 4,000 | 43532191 |
| 50338 | Jun 8, 1979 | Jun 8, 1979 | Young, Marshall R., Oil Company | Shackelford | Cook "a" Sec. 85 #53 | 1,430 | 41781778 |
| 47927 | May 7, 1979 | May 7, 1979 | Young, Marshall R., Oil Company | Crockett | University 9-33 #1 | 11,000 | 10532322 |
| 47832 | May 4, 1979 | May 4, 1979 | Young, Marshall R., Oil Company | Garza | Beggs, George Trust Sec. 60 #1 | 7,925 | 16981119 |
| 47831 | May 4, 1979 | May 4, 1979 | Young, Marshall R., Oil Company | Garza | Bird et al Sec. 2 #1 | 4,282 | 16931032 |
| 41780 | Jan 31, 1979 | Jan 31, 1979 | Young, Marshall R., Oil Company | Hockley | D. L. S. (San Andres) Unit #703 | 5,200 | 21932657 |
| 41652 | Jan 29, 1979 | Jan 29, 1979 | Young, Marshall R., Oil Company | Terry | Pool, Louise, et al - Abo #9 | 8,100 | 44530753 |
| 41271 | Jan 23, 1979 | Jan 23, 1979 | Young, Marshall R., Oil Company | Hockley | Dopson, Vivian #2 | 5,950 | 21932650 |
| 37469 | Nov 22, 1978 | Nov 22, 1978 | Young, Marshall R., Oil Company | Garza | Lewis-Swenson Sec. 48 #1 | 8,280 | 16930988 |
| 34545 | Oct 13, 1978 | Oct 13, 1978 | Young, Marshall R., Oil Company | Terry | Logan #2 | 8,100 | 44530717 |
| 34364 | Oct 10, 1978 | Oct 10, 1978 | Young, Marshall R., Oil Company | Shackelford | Cook "B" Sec. 147 #2 | 1,705 | 41732711 |
| 32236 | Sep 8, 1978 | Sep 8, 1978 | Young, Marshall R., Oil Company | Hockley | Timmons, Herman #1 | 5,872 | 21932599 |
| 31785 | Aug 31, 1978 | Aug 31, 1978 | Young, Marshall R., Oil Company | Fisher | Ray, Roland #3 | 3,885 | 15130890 |
| 32601 | Aug 25, 1978 | Aug 25, 1978 | Young, Marshall R., Oil Company | Kent | Beggs, George, Trust Sec. 21 #1 | 7,766 | 26330621 |
| 30542 | Aug 14, 1978 | Aug 14, 1978 | Young, Marshall R., Oil Company | Fisher | Smith, Rodger C. #1 | 6,730 | 15130886 |
| 29806 | Aug 3, 1978 | Aug 3, 1978 | Young, Marshall R., Oil Company | Kent | Swenson Sec. 18 #2 | 6,308 | 26330613 |
| 28583 | Jul 17, 1978 | Jul 17, 1978 | Young, Marshall R., Oil Company | Crockett | Parker et Al #1 | 7,890 | 10531993 |
| 26545 | Jun 15, 1978 | Jun 15, 1978 | Young, Marshall R., Oil Company | Shackelford | Cook -B-, SEC.146 #1 | 1,550 | 41732625 |
| 26253 | Jun 12, 1978 | Jun 12, 1978 | Young, Marshall R., Oil Company | Kent | McArthur et Al #3 | 6,460 | 26330603 |
| 24000 | May 11, 1978 | May 11, 1978 | Young, Marshall R., Oil Company | Garza | Beggs Trust #1-B | 7,984 | 16930937 |
| 22827 | Apr 26, 1978 | Apr 26, 1978 | Young, Marshall R., Oil Company | Terry | Pool, Louise et al - Abo #7 | 8,200 | 44530646 |
| 20378 | Mar 20, 1978 | Mar 20, 1978 | Young, Marshall R., Oil Company | Hockley | Dopson, Vivian #1 | 6,200 | 21932435 |
| 19412 | Mar 6, 1978 | Mar 6, 1978 | Young, Marshall R., Oil Company | Hockley | Kennon, Mary Ellen Estate #1 | 5,050 | 21932429 |
| 19351 | Mar 3, 1978 | Mar 3, 1978 | Young, Marshall R., Oil Company | Terry | Pierson et Al #3 | 8,150 | 44530628 |
| 18033 | Feb 10, 1978 | Feb 10, 1978 | Young, Marshall R., Oil Company | Shackelford | Cook "B", Sec. 112 #1 | 1,472 | 41732524 |
| 17727 | Feb 6, 1978 | Feb 6, 1978 | Young, Marshall R., Oil Company | Terry | Pierson et Al #4 | 8,100 | 44530622 |
| 15930 | Jan 9, 1978 | Jan 9, 1978 | Young, Marshall R., Oil Company | Terry | Logan #1 | 8,100 | 44530617 |
| 10556 | Jan 6, 1978 | Jan 6, 1978 | Young, Marshall R., Oil Company | Terry | Daugherty, R. F. Jr. "A" #2 | 8,100 | 44530602 |
| 15929 | Jan 5, 1978 | Jan 5, 1978 | Young, Marshall R., Oil Company | Terry | Pool, A. E. Trust #2 | 8,100 | 44530616 |
| 11384 | Nov 2, 1977 | Nov 2, 1977 | Young, Marshall R., Oil Company | Lynn | Wilkie, B.O. #1-A | 4,850 | 30530197 |
| 11167 | Nov 1, 1977 | Nov 1, 1977 | Young, Marshall R., Oil Company | Hockley | D.L.S. (San Andres) Unit #305 | 5,200 | 21932375 |
| 11863 | Oct 31, 1977 | Oct 31, 1977 | Young, Marshall R., Oil Company | Hockley | D. L. S. (San Andres) Unit #306 | 5,200 | 21932374 |