| 369389 | May 21, 1990 | May 21, 1990 | Young, Marshall R., Oil Company | Terry | Pool, Louise et Al #13 | 5,300 | 44531586 |
| 373410 | May 17, 1990 | May 17, 1990 | Young, Marshall R., Oil Company | Kent | Baldridge #1 | 7,800 | 26331399 |
| 369388 | May 8, 1990 | May 8, 1990 | Young, Marshall R., Oil Company | Terry | Pool, Louise et Al #12 | 5,300 | 44531585 |
| 372409 | Apr 23, 1990 | Apr 23, 1990 | Young, Marshall R., Oil Company | Shackelford | Cook "a" , Sec. 141 #11 | 2,000 | 41737384 |
| 371086 | Apr 16, 1990 | Apr 16, 1990 | Young, Marshall R., Oil Company | Terry | Northwest Terry (Abo) Unit #309 | 8,200 | 44531590 |
| 371973 | Apr 11, 1990 | Apr 11, 1990 | Young, Marshall R., Oil Co. | Shackelford | Cook 'B' , Sec. 64 #8 | 2,000 | 41737378 |
| 370453 | Mar 5, 1990 | Mar 5, 1990 | Young, Marshall R., Oil Company | Stonewall | Bryan #2 | 6,400 | 43381140 |
| 370291 | Feb 28, 1990 | Feb 28, 1990 | Young, Marshall R., Oil Company | Shackelford | Cook -a- Sec. 118 #75 | 2,000 | 41737369 |
| 370289 | Feb 28, 1990 | Feb 28, 1990 | Young, Marshall R., Oil Company | Shackelford | Cook "a", Sec. 116 #11 | 2,000 | 41737370 |
| 370288 | Feb 28, 1990 | Feb 28, 1990 | Young, Marshall R., Oil Company | Shackelford | Cook -a- Sec. 146 #16 | 2,000 | 41737371 |
| 366665 | Nov 27, 1989 | Nov 27, 1989 | Young, Marshall R., Oil Company | Fisher | McKinney "C" #6 | 4,100 | 15132160 |
| 366512 | Nov 17, 1989 | Nov 17, 1989 | Young, Marshall R., Oil Company | Shackelford | Cook "B", Sec. 113 #22 | 2,000 | 41737343 |
| 366116 | Nov 9, 1989 | Nov 9, 1989 | Young, Marshall R., Oil Company | Cochran | O'Brien, J. C. #1 | 11,000 | 07932441 |
| 365390 | Oct 23, 1989 | Oct 23, 1989 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. Estate, Sec. 139 #33 | 2,000 | 41737333 |
| 365298 | Oct 20, 1989 | Oct 20, 1989 | Young, Marshall R., Oil Company | Scurry | Bullard Section 241 "A" #3 | 8,500 | 41533057 |
| 364972 | Oct 12, 1989 | Oct 12, 1989 | Young, Marshall R., Oil Company | Stonewall | Bryan #1 | 6,400 | 43332547 |
| 364911 | Oct 12, 1989 | Oct 12, 1989 | Young, Marshall R., Oil Company | Shackelford | Cook -a- Sec. 118 #74 | 2,000 | 41737328 |
| 364807 | Oct 9, 1989 | Oct 9, 1989 | Young, Marshall R., Oil Company | Shackelford | Cook, W.I. Estate, Sec. 111A #47 | 5,400 | 41737323 |
| 364807Amendment | Oct 9, 1989 | Oct 9, 1989 | Young, Marshall R., Oil Company | Shackelford | Cook, W.I. Estate, Sec. 111A #47 | 5,400 | 41737323 |
| 364303 | Sep 27, 1989 | Sep 27, 1989 | Young, Marshall R., Oil Company | Shackelford | Cook -a-, Sec. 146 #15 | 2,000 | 41737317 |
| 364163 | Sep 20, 1989 | Sep 20, 1989 | Young, Marshall R., Oil Company | Fisher | Sumerlin, A. D. #1R | 3,900 | 15130405 |
| 363714 | Sep 12, 1989 | Sep 12, 1989 | Young, Marshall R., Oil Company | Shackelford | Cook "a", Sec. 116 #10 | 2,000 | 41737308 |
| 363212 | Aug 28, 1989 | Aug 28, 1989 | Young, Marshall R., Oil Company | Shackelford | Cook -a-, Sec. 118 #73 | 2,000 | 41737306 |
| 362435 | Aug 15, 1989 | Aug 15, 1989 | Young, Marshall R., Oil Company | Howard | Rosales #1 | 9,500 | 22734477 |
| 362435Amendment | Aug 15, 1989 | Aug 15, 1989 | Young, Marshall R., Oil Company | Howard | Rosales #1 | 9,500 | 22734477 |
| 361619 | Jul 19, 1989 | Jul 19, 1989 | Young, Marshall R., Oil Company | Shackelford | Cook "a", Sec 141 #10 | 2,000 | 41737294 |
| 360474 | Jun 19, 1989 | Jun 19, 1989 | Young, Marshall R., Oil Company | Shackelford | Cook -a-, Sec. 118 #72 | 2,000 | 41737286 |
| 358917 | May 8, 1989 | May 8, 1989 | Young, Marshall R., Oil Company | Fisher | Martin Section 119 #1 | 6,300 | 15132221 |
| 358917Amendment | May 8, 1989 | May 8, 1989 | Young, Marshall R., Oil Company | Fisher | Martin Section 119 #1 | 6,300 | 15132221 |
| 358661 | May 1, 1989 | May 1, 1989 | Young, Marshall R., Oil Company | Shackelford | Cook "a", Sec. 83 #19 | 5,300 | 41737268 |
| 358191 | Apr 18, 1989 | Apr 18, 1989 | Young, Marshall R., Oil Company | Scurry | Bullard Section 241 #S 1WD | 5,303 | 41531279 |
| 357613 | Apr 4, 1989 | Apr 4, 1989 | Young, Marshall R., Oil Company | Shackelford | Cook "a", Section 141 #6 | 1,450 | 41701289 |
| 357600 | Apr 4, 1989 | Apr 4, 1989 | Young, Marshall R., Oil Company | Shackelford | Cook "a", Sec. 118 #18 | 1,300 | 41781816 |
| 357252 | Mar 23, 1989 | Mar 23, 1989 | Young, Marshall R., Oil Company | Shackelford | Cook "B", Sec. 118 #4 | 1,418 | 41731432 |
| 356904 | Mar 10, 1989 | Mar 10, 1989 | Young, Marshall R., Oil Company | Scurry | Bullard Section 241 #1 | 8,300 | 41533039 |
| 356628 | Mar 6, 1989 | Mar 6, 1989 | Young, Marshall R., Oil Company | Shackelford | Cook "B", Sec. 113 #21 | 2,000 | 41737245 |
| 356427 | Mar 1, 1989 | Mar 1, 1989 | Young, Marshall R., Oil Company | Shackelford | Cook "a", Sec. 116 #9 | 2,000 | 41737237 |
| 355059 | Jan 19, 1989 | Jan 19, 1989 | Young, Marshall R., Oil Company | Shackelford | Cook "B-1" Sec. 61 #14 | 2,000 | 41737228 |
| 355116 | Jan 13, 1989 | Jan 13, 1989 | Young, Marshall R., Oil Company | Shackelford | Cook "a", Sec. 82 #5 | 2,000 | 41737231 |
| 355112 | Jan 13, 1989 | Jan 13, 1989 | Young, Marshall R., Oil Company | Shackelford | Cook "B", Sec. 36 #1 | 2,000 | 41737230 |
| 353280 | Nov 15, 1988 | Nov 15, 1988 | Young, Marshall R., Oil Company | Scurry | Bullard #2 | 8,200 | 41533007 |
| 353053 | Nov 7, 1988 | Nov 7, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook "B", Sec. 146 #4 | 1,650 | 41737216 |
| 352352 | Oct 18, 1988 | Oct 18, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook Section 81 #15 | 5,300 | 41737215 |
| 352350 | Oct 18, 1988 | Oct 18, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. Sec. 90 B #51 | 1,775 | 41701177 |
| 351853 | Oct 5, 1988 | Oct 5, 1988 | Young, Marshall R., Oil Company | Kent | Beggs 55 #1 | 8,200 | 26331335 |
| 351656 | Sep 28, 1988 | Sep 28, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook "B", Sec. 146 #3 | 1,600 | 41737206 |
| 350556 | Aug 29, 1988 | Aug 29, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook "X", Sec. 63 #18 | 4,580 | 41736644 |
| 350164 | Aug 25, 1988 | Aug 25, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook "a", Sec. 146 #14 | 2,000 | 41737196 |
| 349214 | Aug 2, 1988 | Aug 2, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I., Sec. 61 "A" #77 | 2,000 | 41737190 |
| 349536 | Aug 1, 1988 | Aug 1, 1988 | Young, Marshall R., Oil Company | Stonewall | Pumphrey #1 | 6,500 | 43332414 |
| 349084 | Jul 26, 1988 | Jul 26, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook "B", Sec. 146 #2 | 2,000 | 41737189 |
| 349084Amendment | Jul 26, 1988 | Jul 26, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook "B", Sec. 146 #2 | 2,000 | 41737189 |
| 348752 | Jul 14, 1988 | Jul 14, 1988 | Young, Marshall R., Oil Company | Scurry | Bullard #1 | 8,100 | 41532973 |
| 348751 | Jul 13, 1988 | Jul 13, 1988 | Young, Marshall R., Oil Company | Scurry | Langford #1 | 8,150 | 41532976 |
| 348081 | Jun 23, 1988 | Jun 23, 1988 | Young, Marshall R., Oil Company | Haskell | Moore #1 | 6,200 | 20731957 |
| 347535 | Jun 10, 1988 | Jun 10, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. Estate, Sec. 139 #30 | 2,000 | 41737180 |
| 347534 | Jun 10, 1988 | Jun 10, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. Estate, Sec. 139 #31 | 2,000 | 41737178 |
| 347531 | Jun 10, 1988 | Jun 10, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. Estate, Sec. 139 #32 | 2,000 | 41737179 |
| 346869 | May 24, 1988 | May 24, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook "B", Sec. 35 #1 | 2,000 | 41737175 |
| 346750 | May 23, 1988 | May 23, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook "a", Sec. 146 #13 | 2,000 | 41737174 |
| 346695 | May 23, 1988 | May 23, 1988 | Young, Marshall R., Oil Company | Fisher | Martin #1 | 6,300 | 15132188 |
| 346419 | May 11, 1988 | May 11, 1988 | Young, Marshall R., Oil Company | Garza | Storie #1 | 4,200 | 16932868 |
| 344851 | Apr 8, 1988 | Apr 8, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. Estate, Sec. 139 #28 | 2,000 | 41737162 |
| 344850 | Apr 8, 1988 | Apr 8, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. Estate, Sec. 139 #29 | 2,000 | 41737161 |
| 344631 | Apr 4, 1988 | Apr 4, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook "X", Section 81 #14 | 1,548 | 41736479 |
| 344148 | Mar 23, 1988 | Mar 23, 1988 | Young, Marshall R., Oil Company | Stonewall | Beggs Trust 224 #3 | 4,200 | 43332365 |
| 343366 | Mar 21, 1988 | Mar 21, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook "a", Sec. 146 #12 | 2,000 | 41737150 |
| 343364 | Mar 8, 1988 | Mar 8, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook "B", Sec. 141 #1 | 2,000 | 41737149 |
| 343215 | Feb 29, 1988 | Feb 29, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook "a", Sec. 117 #41 | 2,000 | 41737148 |
| 343214 | Feb 29, 1988 | Feb 29, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook "a", Sec. 116 #8 | 2,000 | 41737147 |
| 342046 | Feb 4, 1988 | Feb 4, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. Estate, Sec. 139A #9 | 1,450 | 41701084 |
| 342048 | Feb 3, 1988 | Feb 3, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. Estate, Sec. 139 #27 | 2,000 | 41737140 |
| 342047 | Feb 3, 1988 | Feb 3, 1988 | Young, Marshall R., Oil Company | Shackelford | Cook -a-, Sec. 118 #71 | 2,000 | 41737141 |
| 340771 | Dec 31, 1987 | Dec 31, 1987 | Young, Marshall R., Oil Company | Fisher | Allen "A" #2 | 5,210 | 15132076 |
| 340218 | Dec 14, 1987 | Dec 14, 1987 | Young, Marshall R., Oil Company | Hockley | Harshbarger #1 | 8,300 | 21932721 |
| 338260 | Nov 18, 1987 | Nov 18, 1987 | Young, Marshall R., Oil Company | Hockley | Hinson #1 | 10,250 | 21935225 |
| 338260Amendment | Nov 18, 1987 | Nov 18, 1987 | Young, Marshall R., Oil Company | Hockley | Hinson #1 | 10,250 | 21935225 |
| 338588 | Nov 13, 1987 | Nov 13, 1987 | Young, Marshall R., Oil Company | Terry | Logan #3 | 5,300 | 44531504 |
| 338028 | Oct 29, 1987 | Oct 29, 1987 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. Estate, Sec. 139 #26 | 2,000 | 41737116 |
| 337978 | Oct 28, 1987 | Oct 28, 1987 | Young, Marshall R., Oil Company | Garza | Wallace, D. M. #1 | 9,000 | 16932818 |
| 337039 | Oct 7, 1987 | Oct 7, 1987 | Young, Marshall R., Oil Company | Fisher | McKinney "C" #8 | 4,300 | 15132162 |
| 337038 | Oct 7, 1987 | Oct 7, 1987 | Young, Marshall R., Oil Company | Fisher | McKinney "C" #7 | 4,300 | 15132161 |
| 337037 | Oct 7, 1987 | Oct 7, 1987 | Young, Marshall R., Oil Company | Fisher | McKinney "C" #6 | 4,300 | 15132160 |
| 335344 | Sep 4, 1987 | Sep 4, 1987 | Young, Marshall R., Oil Company | Fisher | Texfel #2 | 4,900 | 15132154 |
| 335280 | Sep 3, 1987 | Sep 3, 1987 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. Estate #25 | 2,000 | 41737088 |
| 335279 | Sep 3, 1987 | Sep 3, 1987 | Young, Marshall R., Oil Company | Shackelford | Cook, W. I. Estate Sec. 139B #14 | 2,000 | 41737089 |
| 335155 | Aug 31, 1987 | Aug 31, 1987 | Young, Marshall R., Oil Company | Fisher | McKinney "B" #5 | 4,300 | 15132153 |
| 334941 | Aug 26, 1987 | Aug 26, 1987 | Young, Marshall R., Oil Company | Fisher | McKinney, H. C. "B" #4 | 6,100 | 15132152 |
| 333657 | Aug 24, 1987 | Aug 24, 1987 | Young, Marshall R., Oil Company | Fisher | Allen "A" #7 | 4,900 | 15132146 |
| 334449 | Aug 14, 1987 | Aug 14, 1987 | Young, Marshall R., Oil Company | Fisher | McKinney, Henry C. #1 | 6,039 | 15131966 |
| 334086 | Aug 10, 1987 | Aug 10, 1987 | Young, Marshall R., Oil Company | Shackelford | Cook -a-, Sec. 118 #70 | 2,000 | 41737079 |
| 333883 | Aug 6, 1987 | Aug 6, 1987 | Young, Marshall R., Oil Company | Fisher | Allen "A" #4D | 3,900 | 15132115 |
| 333565 | Jul 29, 1987 | Jul 29, 1987 | Young, Marshall R., Oil Company | Shackelford | Cook "a", Sec. 118 #69 | 1,440 | 41731880 |
| 332915 | Jul 16, 1987 | Jul 16, 1987 | Young, Marshall R., Oil Company | Fisher | McKinney "A" #3 | 4,500 | 15132144 |
| 332663 | Jul 13, 1987 | Jul 13, 1987 | Young, Marshall R., Oil Company | Fisher | Texfel #1 | 4,900 | 15132142 |
| 332354 | Jul 3, 1987 | Jul 3, 1987 | Young, Marshall R., Oil Company | Hockley | D.l.s.(san Andres) Unit #207 | 5,180 | 21934777 |
| 332350 | Jul 2, 1987 | Jul 2, 1987 | Young, Marshall R., Oil Company | Garza | Potts #1 | 9,200 | 16932762 |
| 332045 | Jun 30, 1987 | Jun 30, 1987 | Young, Marshall R., Oil Company | Garza | Potts #2D | 4,700 | 16901381 |
| 331788 | Jun 26, 1987 | Jun 26, 1987 | Young, Marshall R., Oil Company | Shackelford | Cook "D", Sec. 111 #2 | 4,300 | 41700435 |
| 332107 | Jun 25, 1987 | Jun 25, 1987 | Young, Marshall R., Oil Company | Fisher | Allen "A" #6 | 4,500 | 15132139 |