| 404834 | Oct 16, 1992 | Oct 16, 1992 | Union Oil Company of California | Montague | Keck, L. "A" #28 | 926 | 33732919 |
| 404833 | Oct 16, 1992 | Oct 16, 1992 | Union Oil Company of California | Montague | Keck, L. "A" #30 | 928 | 33732921 |
| 404152 | Oct 12, 1992 | Oct 12, 1992 | Union Oil Company of California | Van Zandt | Swain, W. F. 14 #6 | 3,500 | 46730878 |
| 403835 | Oct 6, 1992 | Oct 6, 1992 | Union Oil Company of California | Liberty | Arco Fee #1 | 13,000 | 29132159 |
| 404873 | Sep 22, 1992 | Sep 22, 1992 | Union Oil Company of California | Montague | Maddox, J.W. "C-2" #14 | 1,150 | 33732929 |
| 402708 | Sep 22, 1992 | Sep 22, 1992 | Union Oil Company of California | Howard | Chalk, Otis #2R | 3,200 | 22734715 |
| 402707 | Sep 22, 1992 | Sep 22, 1992 | Union Oil Company of California | Howard | Chalk, Otis #44 | 3,200 | 22734714 |
| 402706 | Sep 22, 1992 | Sep 22, 1992 | Union Oil Company of California | Howard | Chalk, Otis #43 | 3,200 | 22734713 |
| 402705 | Sep 22, 1992 | Sep 22, 1992 | Union Oil Company of California | Howard | Chalk, Otis #6R | 3,200 | 22734712 |
| 402704 | Sep 22, 1992 | Sep 22, 1992 | Union Oil Company of California | Howard | Chalk, Otis #41 | 2,375 | 22734710 |
| 403538 | Sep 21, 1992 | Sep 21, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1067 | 7,300 | 16534510 |
| 403281 | Sep 10, 1992 | Sep 10, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1069 | 7,350 | 16534508 |
| 403280 | Sep 10, 1992 | Sep 10, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1068 | 7,350 | 16534507 |
| 403027 | Sep 2, 1992 | Sep 2, 1992 | Union Oil Company of California | Andrews | Parker, J. E. "G" #4 | 12,442 | 00304341 |
| 403026 | Sep 2, 1992 | Sep 2, 1992 | Union Oil Company of California | Andrews | Parker State #8 | 12,512 | 00310139 |
| 402703 | Aug 28, 1992 | Aug 28, 1992 | Union Oil Company of California | Howard | Chalk, Otis #3R | 3,200 | 22734711 |
| 402685 | Aug 25, 1992 | Aug 25, 1992 | Union Oil Company of California | Andrews | Dollarhide Unit #1523CT | 7,600 | 00337128 |
| 402482 | Aug 20, 1992 | Aug 20, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1055 | 7,300 | 16534499 |
| 402381 | Aug 19, 1992 | Aug 19, 1992 | Union Oil Company of California | Andrews | Dollarhide Unit #7088 C | 7,620 | 00337114 |
| 402381Amendment | Aug 19, 1992 | Aug 19, 1992 | Union Oil Company of California | Andrews | Dollarhide Unit #1588C | 7,620 | 00337114 |
| 401879 | Aug 3, 1992 | Aug 3, 1992 | Union Oil Company of California | Ector | Toad "A" #23 | 5,350 | 13536642 |
| 401650 | Jul 29, 1992 | Jul 29, 1992 | Union Oil Company of California | Ector | Toad "C" #2 | 4,500 | 13536400 |
| 400200 | Jul 17, 1992 | Jul 17, 1992 | Union Oil Company of California | Gaines | Davern #1 | 8,100 | 16534492 |
| 400761 | Jul 3, 1992 | Jul 3, 1992 | Union Oil Company of California | Winkler | E.W. Cowden Unit #1 | 7,400 | 49503499 |
| 400761Amendment | Jul 3, 1992 | Jul 3, 1992 | Union Oil Company of California | Winkler | E.W. Cowden Unit #1 | 8,500 | 49503499 |
| 400047 | Jun 11, 1992 | Jun 11, 1992 | Union Oil Company of California | Ector | Toad #7 | 5,355 | 13536076 |
| 399715 | Jun 8, 1992 | Jun 8, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1257 | 7,300 | 16534489 |
| 399716 | May 29, 1992 | May 29, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1256 | 7,300 | 16534488 |
| 399319 | May 14, 1992 | May 14, 1992 | Union Oil Company of California | Ector | Holt, O. B. Jr et Al #8W | 5,330 | 13536626 |
| 399319Amendment | May 14, 1992 | May 14, 1992 | Union Oil Company of California | Ector | Holt, O. B. Jr et Al #8W | 5,330 | 13536626 |
| 399318 | May 14, 1992 | May 14, 1992 | Union Oil Company of California | Andrews | University "JD" #3 | 10,120 | 00337080 |
| 398922 | May 6, 1992 | May 6, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1255 | 7,300 | 16534477 |
| 398789 | Apr 27, 1992 | Apr 27, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1242 | 7,300 | 16534476 |
| 398787 | Apr 27, 1992 | Apr 27, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1053 | 7,300 | 16534475 |
| 398327 | Apr 27, 1992 | Apr 27, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1057 | 7,300 | 16534469 |
| 398325 | Apr 27, 1992 | Apr 27, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1056 | 7,300 | 16534471 |
| 398383 | Apr 16, 1992 | Apr 16, 1992 | Union Oil Company of California | Gaines | North Riley Unit #147R | 7,250 | 16534472 |
| 398326 | Apr 15, 1992 | Apr 15, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1267 | 7,300 | 16534470 |
| 398134 | Apr 6, 1992 | Apr 6, 1992 | Union Oil Company of California | Hockley | Smyer East (Clear Fork) Unit #32R | 5,900 | 21935869 |
| 397595 | Mar 23, 1992 | Mar 23, 1992 | Union Oil Company of California | Ochiltree | Farnsworth Unit #2105 | 7,900 | 35731990 |
| 397595Amendment | Mar 23, 1992 | Mar 23, 1992 | Union Oil Company of California | Ochiltree | Farnsworth Unit #2105 | 7,900 | 35731990 |
| 397594 | Mar 23, 1992 | Mar 23, 1992 | Union Oil Company of California | Ochiltree | Farnsworth Unit #3206 | 8,175 | 35731989 |
| 397547 | Mar 23, 1992 | Mar 23, 1992 | Union Oil Company of California | Ochiltree | Farnsworth Unit #1802 | 7,875 | 35731987 |
| 397546 | Mar 20, 1992 | Mar 20, 1992 | Union Oil Company of California | Ochiltree | Farnsworth Unit #4010 | 8,150 | 35731991 |
| 397593 | Mar 18, 1992 | Mar 18, 1992 | Union Oil Company of California | Ochiltree | Farnsworth Unit #3403 | 8,160 | 35731988 |
| 397593Amendment | Mar 18, 1992 | Mar 18, 1992 | Union Oil Company of California | Ochiltree | Farnsworth Unit #3403 | 8,160 | 35731988 |
| 397575 | Mar 18, 1992 | Mar 18, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1269 | 7,300 | 16534456 |
| 397574 | Mar 18, 1992 | Mar 18, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1046 | 7,300 | 16534457 |
| 397531 | Mar 18, 1992 | Mar 18, 1992 | Union Oil Company of California | Terry | Conine #1 | 6,200 | 44531656 |
| 397441 | Mar 16, 1992 | Mar 16, 1992 | Union Oil Company of California | Andrews | Dollarhide Unit #6017CT | 7,730 | 00337061 |
| 397440 | Mar 16, 1992 | Mar 16, 1992 | Union Oil Company of California | Andrews | Dollarhide Unit #1826CT | 7,615 | 00337060 |
| 397439 | Mar 16, 1992 | Mar 16, 1992 | Union Oil Company of California | Gaines | North Riley Unit #358 | 7,250 | 16534454 |
| 397419 | Mar 16, 1992 | Mar 16, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1042 | 7,300 | 16534455 |
| 397272 | Mar 11, 1992 | Mar 11, 1992 | Union Oil Company of California | Ochiltree | Farnsworth Unit #1202 | 7,825 | 35731986 |
| 396678 | Mar 11, 1992 | Mar 11, 1992 | Union Oil Company of California | Borden | Lawless B. #1298 | 6,649 | 03331465 |
| 396904 | Feb 21, 1992 | Feb 21, 1992 | Union Oil Company of California | Borden | Whitaker #1 | 6,720 | 03331525 |
| 396903 | Feb 21, 1992 | Feb 21, 1992 | Union Oil Company of California | Borden | Shephard #1 | 6,700 | 03331526 |
| 396681 | Feb 20, 1992 | Feb 20, 1992 | Union Oil Company of California | Ector | Toad "A" #20W | 5,350 | 13536611 |
| 396538 | Feb 19, 1992 | Feb 19, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1031 | 7,300 | 16534448 |
| 396544 | Feb 13, 1992 | Feb 13, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1280 | 7,300 | 16534447 |
| 396304 | Jan 31, 1992 | Jan 31, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1226 | 7,300 | 16534444 |
| 396303 | Jan 31, 1992 | Jan 31, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1030 | 7,300 | 16534445 |
| 396302 | Jan 31, 1992 | Jan 31, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1225 | 7,300 | 16534446 |
| 396301 | Jan 31, 1992 | Jan 31, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1224 | 7,300 | 16534443 |
| 396202 | Jan 29, 1992 | Jan 29, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1271 | 7,300 | 16534437 |
| 396201 | Jan 29, 1992 | Jan 29, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1070 | 7,300 | 16534438 |
| 396201Amendment | Jan 29, 1992 | Jan 29, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1070 | 7,300 | 16534438 |
| 395801 | Jan 17, 1992 | Jan 17, 1992 | Union Oil Company of California | Andrews | Dollarhide Unit #1712CT | 7,585 | 00337054 |
| 395941 | Jan 16, 1992 | Jan 16, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1072 | 7,300 | 16534432 |
| 395940 | Jan 16, 1992 | Jan 16, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1071 | 7,300 | 16534431 |
| 395800 | Jan 15, 1992 | Jan 15, 1992 | Union Oil Company of California | Andrews | Dollarhide Unit #7 15CT | 7,600 | 00337053 |
| 395762 | Jan 15, 1992 | Jan 15, 1992 | Union Oil Company of California | Andrews | Dollarhide Unit #609CT | 7,630 | 00337051 |
| 395761 | Jan 15, 1992 | Jan 15, 1992 | Union Oil Company of California | Andrews | Dollarhide Unit #7013CT | 7,600 | 00337050 |
| 395760 | Jan 15, 1992 | Jan 15, 1992 | Union Oil Company of California | Andrews | Dollarhide Unit #7014CT | 7,600 | 00337049 |
| 395758 | Jan 15, 1992 | Jan 15, 1992 | Union Oil Company of California | Ector | Toad #13W | 5,350 | 13536591 |
| 395757 | Jan 15, 1992 | Jan 15, 1992 | Union Oil Company of California | Ector | Toad #12W | 5,350 | 13536599 |
| 395743 | Jan 15, 1992 | Jan 15, 1992 | Union Oil Company of California | Ector | Toad "A" #19W | 5,350 | 13536596 |
| 395742 | Jan 15, 1992 | Jan 15, 1992 | Union Oil Company of California | Ector | Toad "A" #18W | 5,350 | 13536595 |
| 395741 | Jan 15, 1992 | Jan 15, 1992 | Union Oil Company of California | Ector | Toad "A" #16W | 5,350 | 13536594 |
| 395740 | Jan 15, 1992 | Jan 15, 1992 | Union Oil Company of California | Ector | Toad "A" #17W | 5,350 | 13536593 |
| 395759 | Jan 13, 1992 | Jan 13, 1992 | Union Oil Company of California | Ector | Toad #14W | 5,350 | 13536592 |
| 395745 | Jan 13, 1992 | Jan 13, 1992 | Union Oil Company of California | Ector | Toad "A" #22W | 5,350 | 13536598 |
| 395744 | Jan 13, 1992 | Jan 13, 1992 | Union Oil Company of California | Ector | Toad "A" #21W | 5,350 | 13536597 |
| 395612 | Jan 9, 1992 | Jan 9, 1992 | Union Oil Company of California | Gaines | North Riley Unit #1268 | 7,350 | 16534428 |
| 394185 | Jan 8, 1992 | Jan 8, 1992 | Union Oil Company of California | Howard | Otis Chalk #40 | 3,205 | 22733576 |
| 395593 | Jan 3, 1992 | Jan 3, 1992 | Union Oil Company of California | Andrews | Parker, J. E. "H" #3 | 8,700 | 00307748 |
| 395273 | Dec 27, 1991 | Dec 27, 1991 | Union Oil Company of California | Gaines | North Riley Unit #1252 | 7,350 | 16534421 |
| 394984 | Dec 20, 1991 | Dec 20, 1991 | Union Oil Company of California | Ector | Toad "A" #14W | 5,350 | 13536575 |
| 394983 | Dec 20, 1991 | Dec 20, 1991 | Union Oil Company of California | Ector | Toad "A" #15W | 5,350 | 13536574 |
| 394980 | Dec 20, 1991 | Dec 20, 1991 | Union Oil Company of California | Ector | Holt, O. B. "C" #20W | 5,350 | 13536573 |
| 394979 | Dec 20, 1991 | Dec 20, 1991 | Union Oil Company of California | Ector | Holt, O. B. "C" #21W | 5,350 | 13536572 |
| 394982 | Dec 19, 1991 | Dec 19, 1991 | Union Oil Company of California | Andrews | Dollarhide Unit #1605CT | 7,800 | 00337040 |
| 394981 | Dec 18, 1991 | Dec 18, 1991 | Union Oil Company of California | Andrews | Dollarhide Unit #708CT | 7,595 | 00337041 |
| 394985 | Dec 17, 1991 | Dec 17, 1991 | Union Oil Company of California | Ector | Toad "A" #13W | 5,350 | 13536576 |
| 395145 | Dec 16, 1991 | Dec 16, 1991 | Union Oil Company of California | Ector | Holt, O. B. "C" #22W | 5,350 | 13536577 |
| 394890 | Dec 10, 1991 | Dec 10, 1991 | Union Oil Company of California | Ector | Cochran, W. C. #12 | 5,350 | 13536569 |
| 394889 | Dec 10, 1991 | Dec 10, 1991 | Union Oil Company of California | Andrews | Dollarhide Unit #43076D | 8,600 | 00337037 |
| 394398 | Dec 2, 1991 | Dec 2, 1991 | Union Oil Company of California | Ector | Toad "A" #12 | 5,350 | 13536557 |
| 394397 | Dec 2, 1991 | Dec 2, 1991 | Union Oil Company of California | Ector | Toad "A" #11 | 5,350 | 13536558 |
| 394326 | Dec 2, 1991 | Dec 2, 1991 | Union Oil Company of California | Gaines | North Riley Unit #1243 | 7,350 | 16534415 |