| 332107Amendment | Jun 25, 1987 | Jun 25, 1987 | Young, Marshall R., Oil Company | Fisher | Allen "A" #6 | 4,500 | 15132139 |
| 331877 | Jun 25, 1987 | Jun 25, 1987 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. Estate Sec. 139A #23 | 2,000 | 41737059 |
| 331876 | Jun 24, 1987 | Jun 24, 1987 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. Estate Sec. 139A #24 | 2,000 | 41737058 |
| 330945 | Jun 2, 1987 | Jun 2, 1987 | Young, Marshall R., Oil Company | Fisher | Half Moon-Cooper #1 | 6,500 | 15132136 |
| 330257 | May 19, 1987 | May 19, 1987 | Young, Marshall R., Oil Company | Shackelford | Cook, W.I. Estates, Sec. 139 A #22 | 1,800 | 41737044 |
| 330256 | May 18, 1987 | May 18, 1987 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. Estate,sec. 139 A #21 | 1,800 | 41737045 |
| 329931 | May 11, 1987 | May 11, 1987 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. Estates, Sec 139 #14 | 1,468 | 41731496 |
| 328463 | Apr 13, 1987 | Apr 13, 1987 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. Estates, Sec. 139A #20 | 1,478 | 41731893 |
| 326747 | Feb 19, 1987 | Feb 19, 1987 | Young, Marshall R., Oil Company | Fisher | Allen "A" #5 | 4,200 | 15132127 |
| 326747Amendment | Feb 19, 1987 | Feb 19, 1987 | Young, Marshall R., Oil Company | Fisher | Allen "A" #5 | 4,500 | 15132127 |
| 326458Amendment | Feb 12, 1987 | Feb 12, 1987 | Young, Marshall R., Oil Company | Garza | Potts #1 | 9,200 | 16932762 |
| 324470 | Dec 30, 1986 | Dec 30, 1986 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. Est. Sec 139-B #13 | 1,651 | 41732064 |
| 322347 | Oct 30, 1986 | Oct 30, 1986 | Young, Marshall R., Oil Company | Fisher | Allen "A" #4 | 4,000 | 15132115 |
| 322347Amendment | Oct 30, 1986 | Oct 30, 1986 | Young, Marshall R., Oil Company | Fisher | Allen "A" #4 | 4,200 | 15132115 |
| 322350 | Oct 28, 1986 | Oct 28, 1986 | Young, Marshall R., Oil Company | Fisher | McKinney, H. C. #2 | 6,200 | 15132114 |
| 320964 | Sep 24, 1986 | Sep 24, 1986 | Young, Marshall R., Oil Company | Fisher | Gruben, D. D. #1 | 3,450 | 15132102 |
| 305517 | Aug 21, 1986 | Aug 21, 1986 | Young, Marshall R., Oil Company | Fisher | Reed, J. E. #1 | 5,300 | 15132023 |
| 305285 | Aug 14, 1986 | Aug 14, 1986 | Young, Marshall R., Oil Company | Kent | Swenson Sec. 6 #1 | 8,100 | 26331223 |
| 305136 | Aug 12, 1986 | Aug 12, 1986 | Young, Marshall R., Oil Company | Fisher | Johnson, Christina #1 | 3,600 | 15132099 |
| 305075 | Aug 11, 1986 | Aug 11, 1986 | Young, Marshall R., Oil Company | Fisher | Half Moon Land & Cattle Co. #1 | 4,500 | 15132098 |
| 303360 | Jun 19, 1986 | Jun 19, 1986 | Young, Marshall R., Oil Company | Kent | Nichols, Carl #2 | 4,500 | 26331221 |
| 303365 | Jun 19, 1986 | Jun 19, 1986 | Young, Marshall R., Oil Company | Pecos | McKenzie, Bruce et Al #1 | 4,200 | 37131672 |
| 303305 | Jun 18, 1986 | Jun 18, 1986 | Young, Marshall R., Oil Company | Fisher | Allen "A" #3 | 4,500 | 15132093 |
| 303056 | Jun 9, 1986 | Jun 9, 1986 | Young, Marshall R., Oil Company | Fisher | Allen "A" #2 | 5,300 | 15132076 |
| 300685 | Apr 7, 1986 | Apr 7, 1986 | Young, Marshall R., Oil Company | Hockley | Hankins, Mari-Alyce Trust #2 | 8,700 | 21934652 |
| 296861 | Feb 4, 1986 | Feb 4, 1986 | Young, Marshall R., Oil Company | Fisher | Allen "A" #2 | 6,300 | 15132076 |
| 295659 | Jan 13, 1986 | Jan 13, 1986 | Young, Marshall R., Oil Company | Stonewall | Lott, Marvin #1 | 4,200 | 43332096 |
| 294605 | Dec 31, 1985 | Dec 31, 1985 | Young, Marshall R., Oil Company | Hockley | Caddell, J. T. #1 | 8,750 | 21934910 |
| 289154 | Nov 1, 1985 | Nov 1, 1985 | Young, Marshall R., Oil Company | Shackelford | Cook "X", Section 63 #18 | 5,300 | 41736644 |
| 289173 | Oct 31, 1985 | Oct 31, 1985 | Young, Marshall R., Oil Company | Hockley | DLS (San Andres) Unit #609SA | 6,500 | 21934816 |
| 289181 | Oct 31, 1985 | Oct 31, 1985 | Young, Marshall R., Oil Company | Hockley | L. Sherrod #9CLRFK | 6,500 | 21934816 |
| 288885 | Oct 25, 1985 | Oct 25, 1985 | Young, Marshall R., Oil Company | Shackelford | Cook "X", Section 64 #7 | 1,550 | 41736638 |
| 288057 | Oct 22, 1985 | Oct 22, 1985 | Young, Marshall R., Oil Company | Stonewall | Lott, Marvin #1 | 6,700 | 43332096 |
| 285593 | Sep 20, 1985 | Sep 20, 1985 | Young, Marshall R., Oil Company | Kimble | Allison, Bert #1 | 4,000 | 26730350 |
| 285406 | Sep 20, 1985 | Sep 20, 1985 | Young, Marshall R., Oil Company | Kimble | Holland, Rufe #1 | 4,000 | 26730349 |
| 285163 | Sep 17, 1985 | Sep 17, 1985 | Young, Marshall R., Oil Company | Kent | Nichols, Carl #1 | 7,300 | 26331155 |
| 285233 | Sep 16, 1985 | Sep 16, 1985 | Young, Marshall R., Oil Company | Kent | Basinger, Martin #1 | 8,100 | 26331156 |
| 284645 | Sep 12, 1985 | Sep 12, 1985 | Young, Marshall R., Oil Company | Fisher | Yates. L. B. #1 | 6,300 | 15132024 |
| 284613 | Sep 9, 1985 | Sep 9, 1985 | Young, Marshall R., Oil Company | Fisher | Reed, J. E. #1 | 6,300 | 15132023 |
| 283618 | Aug 29, 1985 | Aug 29, 1985 | Young, Marshall R., Oil Company | Hockley | DLS (San Andres) Unit #410 | 3,200 | 21934832 |
| 290869 | Aug 28, 1985 | Aug 28, 1985 | Young, Marshall R., Oil Company | Hockley | DLS (San Andres) Unit #411 | 5,200 | 21934885 |
| 290871 | Aug 28, 1985 | Aug 28, 1985 | Young, Marshall R., Oil Company | Hockley | Porter, et Al #11 | 6,500 | 21934885 |
| 283276 | Aug 26, 1985 | Aug 26, 1985 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. #5788A | 1,600 | 41736484 |
| 283275 | Aug 26, 1985 | Aug 26, 1985 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. #5585A | 1,500 | 41736483 |
| 283152 | Aug 23, 1985 | Aug 23, 1985 | Young, Marshall R., Oil Company | King | Parrott, L. S. #2 | 4,300 | 26931494 |
| 282717 | Aug 16, 1985 | Aug 16, 1985 | Young, Marshall R., Oil Company | Hockley | Greenlee, G. H. "A" #3 | 6,500 | 21934826 |
| 282990 | Aug 15, 1985 | Aug 15, 1985 | Young, Marshall R., Oil Company | Shackelford | Cook "X", Section 81 #14 | 1,550 | 41736479 |
| 283616 | Aug 1, 1985 | Aug 1, 1985 | Young, Marshall R., Oil Company | Hockley | Porter, et Al #10 | 6,500 | 21934832 |
| 281322 | Jul 25, 1985 | Jul 25, 1985 | Young, Marshall R., Oil Company | Hockley | DLS (San Andres) Unit #308 | 6,500 | 21934822 |
| 281327 | Jul 25, 1985 | Jul 25, 1985 | Young, Marshall R., Oil Company | Hockley | Greenlee, G. H. #8 | 6,500 | 21934822 |
| 280740 | Jul 22, 1985 | Jul 22, 1985 | Young, Marshall R., Oil Company | Hockley | Hankins, Mari-Alyce Trust #3 | 8,700 | 21934820 |
| 280660 | Jul 19, 1985 | Jul 19, 1985 | Young, Marshall R., Oil Company | Fisher | Allen, Ruby #1 | 6,300 | 15132007 |
| 280441 | Jul 18, 1985 | Jul 18, 1985 | Young, Marshall R., Oil Company | Hockley | Sherrod, L. #9 | 6,500 | 21934816 |
| 280440 | Jul 18, 1985 | Jul 18, 1985 | Young, Marshall R., Oil Company | Hockley | DLS (San Andres) Unit #609 | 6,500 | 21934816 |
| 280314 | Jul 15, 1985 | Jul 15, 1985 | Young, Marshall R., Oil Company | Fisher | Allen "A" #1 | 6,300 | 15132000 |
| 279876 | Jul 10, 1985 | Jul 10, 1985 | Young, Marshall R., Oil Company | Hockley | Greenlee, G. H. #12 | 6,500 | 21934805 |
| 279873 | Jul 10, 1985 | Jul 10, 1985 | Young, Marshall R., Oil Company | Hockley | DLS (San Andres) Unit #312 | 6,500 | 21934805 |
| 279880 | Jul 10, 1985 | Jul 10, 1985 | Young, Marshall R., Oil Company | Hockley | Hayes, Bertha Etal #5 | 6,500 | 21934806 |
| 279879 | Jul 10, 1985 | Jul 10, 1985 | Young, Marshall R., Oil Company | Hockley | DLS (San Andres) Unit #106 | 5,200 | 21934806 |
| 279885 | Jul 10, 1985 | Jul 10, 1985 | Young, Marshall R., Oil Company | Hockley | DLS (San Andres) Unit #412 | 6,500 | 21934807 |
| 279882 | Jul 10, 1985 | Jul 10, 1985 | Young, Marshall R., Oil Company | Hockley | Porter et Al #12 | 6,500 | 21934807 |
| 279891 | Jul 10, 1985 | Jul 10, 1985 | Young, Marshall R., Oil Company | Hockley | DLS (San Andres) Unit #513 | 6,500 | 21934808 |
| 279887 | Jul 10, 1985 | Jul 10, 1985 | Young, Marshall R., Oil Company | Hockley | Finley Estate #13 | 6,500 | 21934808 |
| 279847 | Jul 10, 1985 | Jul 10, 1985 | Young, Marshall R., Oil Company | Hockley | DLS (San Andres) Unit #510 | 5,200 | 21934802 |
| 279846 | Jul 10, 1985 | Jul 10, 1985 | Young, Marshall R., Oil Company | Hockley | Finley Estate #9 | 6,500 | 21934802 |
| 279820 | Jul 10, 1985 | Jul 10, 1985 | Young, Marshall R., Oil Company | Hockley | DLS (San Andres) Unit #606 | 6,500 | 21934923 |
| 279815 | Jul 10, 1985 | Jul 10, 1985 | Young, Marshall R., Oil Company | Hockley | Sherrod, L. #5 | 6,500 | 21934923 |
| 279858 | Jul 10, 1985 | Jul 10, 1985 | Young, Marshall R., Oil Company | Hockley | DLS (San Andres) Unit #610 | 6,500 | 21934803 |
| 279853 | Jul 10, 1985 | Jul 10, 1985 | Young, Marshall R., Oil Company | Hockley | Sherrod, L. #10 | 6,500 | 21934803 |
| 279804 | Jul 10, 1985 | Jul 10, 1985 | Young, Marshall R., Oil Company | Hockley | DLS (San Andres) Unit #611 | 5,200 | 21934799 |
| 279805 | Jul 10, 1985 | Jul 10, 1985 | Young, Marshall R., Oil Company | Hockley | Sherrod, L. #11 | 6,500 | 21934799 |
| 279807 | Jul 10, 1985 | Jul 10, 1985 | Young, Marshall R., Oil Company | Hockley | DLS (San Andres) Unit #310 | 5,200 | 21934800 |
| 279806 | Jul 10, 1985 | Jul 10, 1985 | Young, Marshall R., Oil Company | Hockley | Greenlee, G. H. #10 | 6,500 | 21934800 |
| 279862 | Jul 10, 1985 | Jul 10, 1985 | Young, Marshall R., Oil Company | Hockley | Greenlee, G. H. #9 | 6,500 | 21934804 |
| 279865 | Jul 3, 1985 | Jul 3, 1985 | Young, Marshall R., Oil Company | Hockley | DLS (San Andres) Unit #309 | 5,200 | 21934804 |
| 277282 | Jun 10, 1985 | Jun 10, 1985 | Young, Marshall R., Oil Company | Kimble | Gardner, Bonnie B. #1 | 4,300 | 26730347 |
| 277083 | Jun 7, 1985 | Jun 7, 1985 | Young, Marshall R., Oil Company | Hockley | Pace, C. T. #7 | 6,500 | 21934777 |
| 277080 | Jun 7, 1985 | Jun 7, 1985 | Young, Marshall R., Oil Company | Hockley | Finley Estate #12 | 6,500 | 21934776 |
| 277079 | Jun 7, 1985 | Jun 7, 1985 | Young, Marshall R., Oil Company | Hockley | DLS (San Andres) Unit #512 | 5,200 | 21934776 |
| 277081 | Jun 7, 1985 | Jun 7, 1985 | Young, Marshall R., Oil Company | Hockley | DLS (San Andres) Unit #207 | 5,200 | 21934777 |
| 272438 | Apr 17, 1985 | Apr 17, 1985 | Young, Marshall R., Oil Company | Fisher | McKinney, Henry C. #1 | 6,600 | 15131966 |
| 270527 | Mar 26, 1985 | Mar 26, 1985 | Young, Marshall R., Oil Company | Shackelford | Cook "a" Section 85 #46 | 1,430 | 41781761 |
| 269474 | Mar 14, 1985 | Mar 14, 1985 | Young, Marshall R., Oil Company | Yoakum | Higginbotham Bros. & Co. #1 | 5,500 | 50132807 |
| 267287 | Feb 20, 1985 | Feb 20, 1985 | Young, Marshall R., Oil Company | Shackelford | Cook "X" Section 81 #13 | 5,500 | 41736196 |
| 267283 | Feb 20, 1985 | Feb 20, 1985 | Young, Marshall R., Oil Company | Shackelford | Cook "X" Section 53 #7 | 5,500 | 41736195 |
| 267182 | Feb 18, 1985 | Feb 18, 1985 | Young, Marshall R., Oil Company | Stonewall | Beggs, G. Trust Sec. 224 #2 | 4,300 | 43331976 |
| 264198 | Jan 15, 1985 | Jan 15, 1985 | Young, Marshall R., Oil Company | Hockley | Hankins, Mari-Alyce Trust #2 | 8,700 | 21934652 |
| 264011 | Dec 31, 1984 | Dec 31, 1984 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. #860F | 1,200 | 41701016 |
| 260895 | Dec 11, 1984 | Dec 11, 1984 | Young, Marshall R., Oil Company | Shackelford | Cook "a" Section 81 #12 | 1,300 | 41736089 |
| 259131 | Nov 27, 1984 | Nov 27, 1984 | Young, Marshall R., Oil Company | Howard | Olufsen "C" #1 | 3,300 | 22733586 |
| 258529 | Nov 21, 1984 | Nov 21, 1984 | Young, Marshall R., Oil Company | Kimble | Goodall, Ross #1 | 4,200 | 26730345 |
| 253924 | Oct 10, 1984 | Oct 10, 1984 | Young, Marshall R., Oil Company | Menard | Volkmann, W. F. #9 | 3,000 | 32730581 |
| 253652 | Oct 5, 1984 | Oct 5, 1984 | Young, Marshall R., Oil Company | Yoakum | Shepherd "A" #1 | 5,400 | 50132735 |
| 251274 | Sep 12, 1984 | Sep 12, 1984 | Young, Marshall R., Oil Company | Rusk | Florey, Harry #1 | 7,900 | 40131943 |
| 249654 | Aug 24, 1984 | Aug 24, 1984 | Young, Marshall R., Oil Company | Baylor | Stout #2 | 4,600 | 02331118 |
| 250002 | Aug 20, 1984 | Aug 20, 1984 | Young, Marshall R., Oil Company | Hockley | DLS (San Andres) Unit #311 | 5,200 | 21934497 |
| 248062 | Aug 13, 1984 | Aug 13, 1984 | Young, Marshall R., Oil Company | Hockley | DLS (San Andres) Unit #107 | 5,200 | 21934482 |
| 248061 | Aug 13, 1984 | Aug 13, 1984 | Young, Marshall R., Oil Company | Hockley | DLS (San Andres) Unit #407 | 5,200 | 21934481 |
| 248073 | Aug 13, 1984 | Aug 13, 1984 | Young, Marshall R., Oil Company | Hockley | DLS (San Andres) Unit #511 | 5,200 | 21934485 |
| 248072 | Aug 13, 1984 | Aug 13, 1984 | Young, Marshall R., Oil Company | Hockley | DLS (San Andres) Unit #608 | 5,200 | 21934484 |