| 413577Amendment | Jul 7, 1993 | Jul 7, 1993 | Union Oil Company of California | Wood | Fletcher, Max J. #3 | 13,680 | 49931819 |
| 412213 | Jul 6, 1993 | Jul 6, 1993 | Union Oil Company of California | Van Zandt | Shivers, J.R. 12 #14 | 2,950 | 46730888 |
| 412213Amendment | Jul 6, 1993 | Jul 6, 1993 | Union Oil Company of California | Van Zandt | Shivers, J.R. 12 #14 | 2,950 | 46730888 |
| 413462 | Jul 2, 1993 | Jul 2, 1993 | Union Oil Company of California | Matagorda | Savage, H.S. et Al #2 | 13,570 | 32130982 |
| 413278 | Jun 29, 1993 | Jun 29, 1993 | Union Oil Company of California | Andrews | Parker, J. E. "S" #1 | 9,190 | 00310527 |
| 412854 | Jun 28, 1993 | Jun 28, 1993 | Union Oil Company of California | Van Zandt | Thompson, I. W. 401 #23 | 6,000 | 46730891 |
| 413107 | Jun 25, 1993 | Jun 25, 1993 | Union Oil Company of California | Howard | Chalk, Otis #9WR | 3,250 | 22734779 |
| 413106 | Jun 25, 1993 | Jun 25, 1993 | Union Oil Company of California | Howard | Chalk, Otis #11WR | 3,250 | 22734778 |
| 413108 | Jun 24, 1993 | Jun 24, 1993 | Union Oil Company of California | Andrews | University "JF" #1 | 8,935 | 00336381 |
| 413102 | Jun 23, 1993 | Jun 23, 1993 | Union Oil Company of California | Jackson | Kuretsch, Louis #6 | 5,934 | 23932123 |
| 413056 | Jun 23, 1993 | Jun 23, 1993 | Union Oil Company of California | Andrews | Parker, Bessie O. #4 | 9,710 | 00337266 |
| 412853 | Jun 15, 1993 | Jun 15, 1993 | Union Oil Company of California | Van Zandt | Swain, W. F. 36 #12 | 2,950 | 46730892 |
| 412416 | Jun 3, 1993 | Jun 3, 1993 | Union Oil Company of California | Van Zandt | Cumbie, J. 32 #5 | 3,150 | 46730890 |
| 412416Amendment | Jun 3, 1993 | Jun 3, 1993 | Union Oil Company of California | Van Zandt | Cumbie, J. 32 #5 | 3,150 | 46730890 |
| 412415 | Jun 3, 1993 | Jun 3, 1993 | Union Oil Company of California | Van Zandt | Thompson, I. W. 401 #24 | 3,000 | 46730889 |
| 412369 | Jun 3, 1993 | Jun 3, 1993 | Union Oil Company of California | Crane | Cowden, Jerry #8 | 2,500 | 10330793 |
| 412258 | May 28, 1993 | May 28, 1993 | Union Oil Company of California | Liberty | Arco Fee #2 | 14,000 | 29132177 |
| 412258Amendment | May 28, 1993 | May 28, 1993 | Union Oil Company of California | Liberty | Arco Fee #2 | 14,000 | 29132177 |
| 412188 | May 28, 1993 | May 28, 1993 | Union Oil Company of California | Andrews | State of Texas AG #4R | 9,730 | 00310078 |
| 411960 | May 26, 1993 | May 26, 1993 | Union Oil Company of California | Andrews | Parker, J.E. "C" (Amoco) #22 | 8,596 | 00334348 |
| 411991 | May 24, 1993 | May 24, 1993 | Union Oil Company of California | Howard | Chalk, Otis #14W | 2,400 | 22702709 |
| 411990 | May 24, 1993 | May 24, 1993 | Union Oil Company of California | Howard | Chalk, Otis #9W | 2,400 | 22730494 |
| 411961 | May 24, 1993 | May 24, 1993 | Union Oil Company of California | Andrews | Parker, J.E. "C" (Amoco) #14U | 10,450 | 00304358 |
| 411749 | May 19, 1993 | May 19, 1993 | Union Oil Company of California | Andrews | Parker, J.E. "E" #5 | 9,760 | 00304344 |
| 411885 | May 18, 1993 | May 18, 1993 | Union Oil Company of California | Rains | G.C. Hopkins et al Gas Unit NO 1 #3 | 13,500 | 37930147 |
| 411680 | May 14, 1993 | May 14, 1993 | Union Oil Company of California | Ector | Moss Unit #1616 | 4,725 | 13536722 |
| 411679 | May 14, 1993 | May 14, 1993 | Union Oil Company of California | Ector | Moss Unit #807WR | 4,725 | 13536723 |
| 411678 | May 14, 1993 | May 14, 1993 | Union Oil Company of California | Ector | Moss Unit #808WR | 4,725 | 13536724 |
| 411645 | May 14, 1993 | May 14, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #3214D | 8,210 | 00337249 |
| 411304 | May 14, 1993 | May 14, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #2404D | 7,735 | 00337244 |
| 411303 | May 14, 1993 | May 14, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #3602D | 7,770 | 00337243 |
| 411303Amendment | May 14, 1993 | May 14, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #3602D | 7,770 | 00337243 |
| 411301 | May 14, 1993 | May 14, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #4380D | 8,270 | 00337241 |
| 411307 | May 5, 1993 | May 5, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #4382D | 8,380 | 00337247 |
| 411306 | May 5, 1993 | May 5, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #4383D | 8,280 | 00337246 |
| 411305 | May 5, 1993 | May 5, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #4379D | 8,380 | 00337245 |
| 411302 | May 5, 1993 | May 5, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #2304D | 7,730 | 00337242 |
| 411302Amendment | May 5, 1993 | May 5, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #2304D | 7,730 | 00337242 |
| 410935 | May 3, 1993 | May 3, 1993 | Union Oil Company of California | Andrews | University "JC" #2 | 8,710 | 00336817 |
| 411089 | Apr 27, 1993 | Apr 27, 1993 | Union Oil Company of California | Andrews | Parker, J. E. "F" #7 | 9,765 | 00337239 |
| 410947 | Apr 26, 1993 | Apr 26, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #6067 D | 7,815 | 00337237 |
| 410946 | Apr 26, 1993 | Apr 26, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #1845 D | 7,820 | 00337238 |
| 410945 | Apr 26, 1993 | Apr 26, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #5035 D | 7,860 | 00337234 |
| 410944 | Apr 26, 1993 | Apr 26, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #4064 D | 7,890 | 00337235 |
| 410944Amendment | Apr 26, 1993 | Apr 26, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #4064 D | 7,890 | 00337235 |
| 410943 | Apr 26, 1993 | Apr 26, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #3071 D | 7,980 | 00337236 |
| 410934 | Apr 26, 1993 | Apr 26, 1993 | Union Oil Company of California | Andrews | University "JC" #3 | 8,700 | 00336876 |
| 410625 | Apr 12, 1993 | Apr 12, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #4719D | 8,000 | 00337231 |
| 410625Amendment | Apr 12, 1993 | Apr 12, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #4038D | 8,000 | 00337231 |
| 410624 | Apr 12, 1993 | Apr 12, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #12059D | 8,300 | 00337230 |
| 410257 | Apr 1, 1993 | Apr 1, 1993 | Union Oil Company of California | Andrews | Parker, J. E. "AA" #2 | 8,651 | 00336169 |
| 410256 | Apr 1, 1993 | Apr 1, 1993 | Union Oil Company of California | Andrews | Parker, Bessie O. "11" #2 | 8,675 | 00336159 |
| 410210 | Mar 29, 1993 | Mar 29, 1993 | Union Oil Company of California | Andrews | Phillips University "DD" #2 | 8,857 | 00336821 |
| 410209 | Mar 29, 1993 | Mar 29, 1993 | Union Oil Company of California | Andrews | Phillips University "DD" #3 | 8,633 | 00336908 |
| 409393 | Mar 1, 1993 | Mar 1, 1993 | Union Oil Company of California | Andrews | Parker, J. E. "E" Unit #2 | 9,800 | 00331775 |
| 409017 | Feb 22, 1993 | Feb 22, 1993 | Union Oil Company of California | Ector | Holt, O.B. Jr. et Al #13W | 5,350 | 13536712 |
| 408412 | Jan 28, 1993 | Jan 28, 1993 | Union Oil Company of California | Ector | Holt, O. B. Jr. et Al #11W | 5,350 | 13536700 |
| 408411 | Jan 26, 1993 | Jan 26, 1993 | Union Oil Company of California | Sterling | Foster, W.L. "B" #13 | 5,349 | 43131298 |
| 408291 | Jan 22, 1993 | Jan 22, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #620CT | 7,600 | 00337191 |
| 408290 | Jan 22, 1993 | Jan 22, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #418CT | 7,600 | 00337190 |
| 408289 | Jan 22, 1993 | Jan 22, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #1827CT | 7,600 | 00337189 |
| 408288 | Jan 22, 1993 | Jan 22, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #716CT | 7,600 | 00337188 |
| 408173 | Jan 20, 1993 | Jan 20, 1993 | Union Oil Company of California | Ector | Holt, O. B. Jr. et Al #10 | 5,350 | 13536693 |
| 408172 | Jan 20, 1993 | Jan 20, 1993 | Union Oil Company of California | Ector | Holt, O. B. Jr. et Al #12 | 5,350 | 13536694 |
| 408171 | Jan 20, 1993 | Jan 20, 1993 | Union Oil Company of California | Ector | Toad #15 | 5,350 | 13536695 |
| 408171Amendment | Jan 20, 1993 | Jan 20, 1993 | Union Oil Company of California | Ector | Toad #15 | 5,350 | 13536695 |
| 408171Amendment | Jan 20, 1993 | Jan 20, 1993 | Union Oil Company of California | Ector | Toad #15 | 5,350 | 13536695 |
| 408170 | Jan 20, 1993 | Jan 20, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #1524CT | 7,600 | 00337185 |
| 408169 | Jan 20, 1993 | Jan 20, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #1525CT | 7,600 | 00337184 |
| 408168 | Jan 20, 1993 | Jan 20, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #1828CT | 7,600 | 00337183 |
| 408167 | Jan 20, 1993 | Jan 20, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #1921CT | 7,600 | 00337182 |
| 408174 | Jan 15, 1993 | Jan 15, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #1729CT | 7,600 | 00337181 |
| 407883 | Jan 7, 1993 | Jan 7, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #1522CT | 7,600 | 00337179 |
| 407074 | Jan 7, 1993 | Jan 7, 1993 | Union Oil Company of California | Howard | Chalk, Otis #22R | 2,375 | 22734735 |
| 407073 | Jan 7, 1993 | Jan 7, 1993 | Union Oil Company of California | Howard | Chalk, Otis #42 | 3,200 | 22734734 |
| 407884 | Jan 6, 1993 | Jan 6, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #419CT | 7,600 | 00337180 |
| 407876 | Jan 6, 1993 | Jan 6, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #1531CT | 7,600 | 00337178 |
| 407875 | Jan 6, 1993 | Jan 6, 1993 | Union Oil Company of California | Andrews | Dollarhide Unit #1530CT | 7,600 | 00337177 |
| 407766 | Dec 31, 1992 | Dec 31, 1992 | Union Oil Company of California | Ector | Cochran, W.C. #13 | 5,350 | 13536689 |
| 407765 | Dec 31, 1992 | Dec 31, 1992 | Union Oil Company of California | Ector | Cochran, W.C. #14W | 5,350 | 13536688 |
| 407764 | Dec 31, 1992 | Dec 31, 1992 | Union Oil Company of California | Ector | Holt, O.B., Jr. et Al #9 | 5,350 | 13536687 |
| 407620 | Dec 23, 1992 | Dec 23, 1992 | Union Oil Company of California | Orange | Quinn, B.E. #1 | 13,500 | 36130663 |
| 407620Amendment | Dec 23, 1992 | Dec 23, 1992 | Union Oil Company of California | Orange | Quinn, B.E. #1 | 15,000 | 36130663 |
| 407620Amendment | Dec 23, 1992 | Dec 23, 1992 | Union Oil Company of California | Orange | Quinn, B.E. #1 | 15,000 | 36130663 |
| 406476 | Nov 30, 1992 | Nov 30, 1992 | Union Oil Company of California | Reagan | Hughes "A" #3 | 10,350 | 38333418 |
| 405593 | Nov 3, 1992 | Nov 3, 1992 | Union Oil Company of California | Ochiltree | Farnsworth Unit #1702 | 8,200 | 35732010 |
| 405526 | Nov 2, 1992 | Nov 2, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1025 | 7,300 | 16534522 |
| 405406 | Oct 29, 1992 | Oct 29, 1992 | Union Oil Company of California | Henderson | Harwell Heira #1 | 13,500 | 21330702 |
| 405406Amendment | Oct 29, 1992 | Oct 29, 1992 | Union Oil Company of California | Henderson | Harwell Heirs #1 | 13,500 | 21330702 |
| 404870 | Oct 29, 1992 | Oct 29, 1992 | Union Oil Company of California | Montague | Maddox, J.W. 'D' #21 | 986 | 33732927 |
| 404968 | Oct 27, 1992 | Oct 27, 1992 | Union Oil Company of California | Van Zandt | Swain, W. F. 36 #11 | 2,500 | 46730881 |
| 404967 | Oct 26, 1992 | Oct 26, 1992 | Union Oil Company of California | Van Zandt | Bracken, J. A. 503 #18 | 2,480 | 46730882 |
| 404966 | Oct 23, 1992 | Oct 23, 1992 | Union Oil Company of California | Van Zandt | York, W. A. 13 #17 | 2,400 | 46730880 |
| 404871 | Oct 21, 1992 | Oct 21, 1992 | Union Oil Company of California | Montague | Maddox, J.W. "D" #22 | 986 | 33732928 |
| 404868 | Oct 21, 1992 | Oct 21, 1992 | Union Oil Company of California | Montague | Maddox, J.W. 'D' #20 | 974 | 33732926 |
| 404866 | Oct 21, 1992 | Oct 21, 1992 | Union Oil Company of California | Montague | Maddox, J.W. "D" #19 | 959 | 33732925 |
| 404864 | Oct 21, 1992 | Oct 21, 1992 | Union Oil Company of California | Montague | Maddox, J.W. "D" #18 | 974 | 33732924 |
| 404862 | Oct 21, 1992 | Oct 21, 1992 | Union Oil Company of California | Montague | Maddox, J.W. "D" #17 | 968 | 33732923 |
| 404837 | Oct 16, 1992 | Oct 16, 1992 | Union Oil Company of California | Montague | Keck, L. "A" #26 | 945 | 33732918 |
| 404836 | Oct 16, 1992 | Oct 16, 1992 | Union Oil Company of California | Montague | Keck, L. "A" #27 | 942 | 33732920 |