| 302353 | May 21, 1986 | May 21, 1986 | Union Oil Company of California | Ector | Moss Unit #811 | 4,900 | 13535308 |
| 302354 | May 21, 1986 | May 21, 1986 | Union Oil Company of California | Ector | Moss Unit #810 | 4,900 | 13535309 |
| 302355 | May 21, 1986 | May 21, 1986 | Union Oil Company of California | Ector | Moss Unit #809 | 4,900 | 13535310 |
| 302357 | May 21, 1986 | May 21, 1986 | Union Oil Company of California | Ector | Moss Unit #505 | 4,900 | 13535311 |
| 300856 | Apr 9, 1986 | Apr 9, 1986 | Union Oil Company of California | Roberts | Killebrew "B" #1201 | 10,609 | 39300217 |
| 300691 | Apr 7, 1986 | Apr 7, 1986 | Union Oil Company of California | Howard | Dillard "B" #2 | 9,450 | 22734030 |
| 300691Amendment | Apr 7, 1986 | Apr 7, 1986 | Union Oil Company of California | Howard | Dillard "B" #2 | 9,450 | 22734030 |
| 298439 | Feb 25, 1986 | Feb 25, 1986 | Union Oil Company of California | Howard | Coleman, F. #1 | 9,450 | 22733992 |
| 298156 | Feb 20, 1986 | Feb 20, 1986 | Union Oil Company of California | Andrews | Dollarhide Unit #401D | 8,150 | 00335482 |
| 298162 | Feb 20, 1986 | Feb 20, 1986 | Union Oil Company of California | Andrews | Dollarhide Unit #4312D | 8,405 | 00335485 |
| 298160 | Feb 20, 1986 | Feb 20, 1986 | Union Oil Company of California | Andrews | Dollarhide Unit #601D | 7,870 | 00335484 |
| 298159 | Feb 20, 1986 | Feb 20, 1986 | Union Oil Company of California | Andrews | Dollarhide Unit #1101D | 8,232 | 00335483 |
| 298154 | Feb 20, 1986 | Feb 20, 1986 | Union Oil Company of California | Andrews | Dollarhide Unit #3201D | 8,040 | 00335481 |
| 298164 | Feb 20, 1986 | Feb 20, 1986 | Union Oil Company of California | Gaines | North Riley Unit #269 | 7,450 | 16533496 |
| 297897 | Feb 18, 1986 | Feb 18, 1986 | Union Oil Company of California | Gaines | North Riley Unit #334 | 7,450 | 16533492 |
| 297896 | Feb 18, 1986 | Feb 18, 1986 | Union Oil Company of California | Gaines | North Riley Unit #222 | 7,450 | 16533491 |
| 297894 | Feb 18, 1986 | Feb 18, 1986 | Union Oil Company of California | Gaines | North Riley Unit #283 | 7,450 | 16533490 |
| 297893 | Feb 18, 1986 | Feb 18, 1986 | Union Oil Company of California | Gaines | North Riley Unit #295 | 7,450 | 16533489 |
| 297900 | Feb 18, 1986 | Feb 18, 1986 | Union Oil Company of California | Gaines | North Riley Unit #312 | 7,450 | 16533494 |
| 297899 | Feb 18, 1986 | Feb 18, 1986 | Union Oil Company of California | Gaines | North Riley Unit #362 | 7,450 | 16533493 |
| 299276 | Feb 18, 1986 | Feb 18, 1986 | Union Oil Company of California | Gaines | North Riley Unit #319 | 7,450 | 16533510 |
| 297782 | Feb 13, 1986 | Feb 13, 1986 | Union Oil Company of California | Andrews | Dollarhide Unit #1401D | 8,100 | 00335477 |
| 297316 | Feb 10, 1986 | Feb 10, 1986 | Union Oil Company of California | Andrews | Dollarhide Unit #4034D | 8,090 | 00335466 |
| 297037 | Feb 5, 1986 | Feb 5, 1986 | Union Oil Company of California | Gaines | North Riley Unit #215 | 7,400 | 16533487 |
| 297033 | Feb 5, 1986 | Feb 5, 1986 | Union Oil Company of California | Gaines | North Riley Unit #242 | 7,400 | 16533486 |
| 297314 | Feb 5, 1986 | Feb 5, 1986 | Union Oil Company of California | Andrews | Dollarhide Unit #4313D | 8,450 | 00337245 |
| 297318 | Feb 5, 1986 | Feb 5, 1986 | Union Oil Company of California | Andrews | Dollarhide Unit #2702D | 8,150 | 00335467 |
| 296700 | Feb 3, 1986 | Feb 3, 1986 | Union Oil Company of California | Roberts | Bean #1164 | 7,100 | 39331081 |
| 296863 | Feb 3, 1986 | Feb 3, 1986 | Union Oil Company of California | Andrews | Dollarhide Unit #1502D | 7,900 | 00335441 |
| 296619 | Jan 27, 1986 | Jan 27, 1986 | Union Oil Company of California | Brewster | Matthews Ranch #1 | 1,500 | 04330290 |
| 296618 | Jan 27, 1986 | Jan 27, 1986 | Union Oil Company of California | Brewster | Matthews Ranch #2 | 1,475 | 04330289 |
| 296306 | Jan 27, 1986 | Jan 27, 1986 | Union Oil Company of California | Andrews | Easter-Deep #3 | 9,600 | 00335414 |
| 296080 | Jan 23, 1986 | Jan 23, 1986 | Union Oil Company of California | Andrews | Dollarhide Unit #2901D | 8,300 | 00335410 |
| 296012 | Jan 22, 1986 | Jan 22, 1986 | Union Oil Company of California | Ector | Moss Unit #1613 | 4,850 | 13535246 |
| 295953 | Jan 21, 1986 | Jan 21, 1986 | Union Oil Company of California | Ector | Moss Unit #1612 | 1,612 | 13535245 |
| 295818 | Jan 21, 1986 | Jan 21, 1986 | Union Oil Company of California | Kenedy | State Lease 83801 #2 | 15,000 | 26131065 |
| 295729 | Jan 20, 1986 | Jan 20, 1986 | Union Oil Company of California | Andrews | Easter-Deep #2 | 9,600 | 00335398 |
| 294449 | Jan 6, 1986 | Jan 6, 1986 | Union Oil Company of California | Van Zandt | Bracken, J. A. 503 #8 | 2,500 | 46730639 |
| 295016 | Jan 3, 1986 | Jan 3, 1986 | Union Oil Company of California | Van Zandt | Shivers, J. R. 12 #7 | 3,000 | 46730641 |
| 294813 | Jan 3, 1986 | Jan 3, 1986 | Union Oil Company of California | Van Zandt | Shivers, J.R. 12 #6 | 3,000 | 46730640 |
| 294183Amendment | Jan 2, 1986 | Jan 2, 1986 | Union Oil Company of California | Andrews | Parker, J. E. "AC" #2 | 9,916 | 00335370 |
| 294184Amendment | Jan 2, 1986 | Jan 2, 1986 | Union Oil Company of California | Andrews | Parker, J. E. "AC" #1 | 9,300 | 00335371 |
| 294067 | Dec 20, 1985 | Dec 20, 1985 | Union Oil Company of California | Garza | Stoker, K. et UX "C" #16 | 3,300 | 16932670 |
| 293445 | Dec 19, 1985 | Dec 19, 1985 | Union Oil Company of California | Howard | Dillard "B" #1 | 10,145 | 22733943 |
| 293264 | Dec 19, 1985 | Dec 19, 1985 | Union Oil Company of California | Van Zandt | Central Van Woodbine Unit #438 | 3,150 | 46730638 |
| 291552 | Dec 2, 1985 | Dec 2, 1985 | Union Oil Company of California | Van Zandt | Central Van Woodbine Unit #3812 | 2,900 | 46730636 |
| 290404 | Nov 19, 1985 | Nov 19, 1985 | Union Oil Company of California | Gaines | North Riley Unit #211 | 7,450 | 16533428 |
| 290403 | Nov 15, 1985 | Nov 15, 1985 | Union Oil Company of California | Gaines | North Riley Unit #324 | 7,375 | 16533427 |
| 289966 | Nov 14, 1985 | Nov 14, 1985 | Union Oil Company of California | Borden | Reinecke Unit #232 | 7,125 | 03331201 |
| 289616 | Nov 8, 1985 | Nov 8, 1985 | Union Oil Company of California | Ector | Moss Unit #1202 | 5,000 | 13535140 |
| 290238 | Nov 8, 1985 | Nov 8, 1985 | Union Oil Company of California | Gaines | North Riley Unit #323 | 7,375 | 16533424 |
| 290239 | Nov 8, 1985 | Nov 8, 1985 | Union Oil Company of California | Gaines | North Riley Unit #224 | 7,400 | 16533425 |
| 290240 | Nov 8, 1985 | Nov 8, 1985 | Union Oil Company of California | Gaines | North Riley Unit #225 | 7,390 | 16533426 |
| 288256 | Oct 24, 1985 | Oct 24, 1985 | Union Oil Company of California | Andrews | Easter-Deep #1 | 9,400 | 00335268 |
| 288385 | Oct 24, 1985 | Oct 24, 1985 | Union Oil Company of California | Gaines | North Riley Unit #300 | 7,390 | 16533407 |
| 288383 | Oct 24, 1985 | Oct 24, 1985 | Union Oil Company of California | Sterling | Foster, W. L. Jr. "B" #17 | 3,200 | 43131743 |
| 288378 | Oct 24, 1985 | Oct 24, 1985 | Union Oil Company of California | Sterling | Foster, W. L. Jr. "B" #18 | 3,200 | 43131742 |
| 288386 | Oct 24, 1985 | Oct 24, 1985 | Union Oil Company of California | Sterling | Foster, W. L. Jr. "B" #19 | 3,200 | 43131744 |
| 288395 | Oct 22, 1985 | Oct 22, 1985 | Union Oil Company of California | Gaines | North Riley Unit #256 | 7,390 | 16533409 |
| 288016 | Oct 17, 1985 | Oct 17, 1985 | Union Oil Company of California | Ochiltree | Farnsworth Unit #3205 | 8,025 | 35731768 |
| 287616 | Oct 17, 1985 | Oct 17, 1985 | Union Oil Company of California | Garza | Stoker "K" et UX "C" #15 | 3,300 | 16932644 |
| 287617 | Oct 17, 1985 | Oct 17, 1985 | Union Oil Company of California | Andrews | Dollarhide Unit #1501D | 8,000 | 00335255 |
| 287620 | Oct 17, 1985 | Oct 17, 1985 | Union Oil Company of California | Andrews | Dollarhide Unit #3901D | 7,950 | 00335257 |
| 287618 | Oct 17, 1985 | Oct 17, 1985 | Union Oil Company of California | Andrews | Dollarhide Unit #4104D | 8,220 | 00335256 |
| 287246 | Oct 11, 1985 | Oct 11, 1985 | Union Oil Company of California | Andrews | Dollarhide Unit #2801D | 8,400 | 00335250 |
| 287039 | Oct 10, 1985 | Oct 10, 1985 | Union Oil Company of California | Ector | Moss Unit #1611 | 4,850 | 13535105 |
| 287038 | Oct 10, 1985 | Oct 10, 1985 | Union Oil Company of California | Ector | Moss Unit #1610 | 4,850 | 13535104 |
| 287062 | Oct 10, 1985 | Oct 10, 1985 | Union Oil Company of California | Andrews | Dollarhide Unit #1352D | 7,965 | 00304936 |
| 287007 | Oct 9, 1985 | Oct 9, 1985 | Union Oil Company of California | Gaines | North Riley Unit #204A | 7,475 | 16533396 |
| 287006 | Oct 9, 1985 | Oct 9, 1985 | Union Oil Company of California | Gaines | North Riley Unit #305 | 7,370 | 16533395 |
| 285722 | Sep 20, 1985 | Sep 20, 1985 | Union Oil Company of California | Gaines | North Riley Unit #280 | 7,435 | 16533382 |
| 284424 | Sep 10, 1985 | Sep 10, 1985 | Union Oil Company of California | Howard | Dillard "A" #1 | 10,150 | 22733841 |
| 284355 | Sep 6, 1985 | Sep 6, 1985 | Union Oil Company of California | Andrews | Parker, J. E. "S" #2 | 9,300 | 00335162 |
| 284099 | Sep 5, 1985 | Sep 5, 1985 | Union Oil Company of California | Andrews | Dollarhide Unit #2701D | 8,050 | 00335143 |
| 284098 | Sep 5, 1985 | Sep 5, 1985 | Union Oil Company of California | Andrews | Dollarhide Unit #901D | 8,150 | 00335142 |
| 283073 | Aug 22, 1985 | Aug 22, 1985 | Union Oil Company of California | Garza | Bingham, M. K. "AB" #8 | 3,250 | 16932629 |
| 283173 | Aug 21, 1985 | Aug 21, 1985 | Union Oil Company of California | Van Zandt | Swain, O. L. 11 "AC" #12 | 3,000 | 46730626 |
| 281095 | Jul 25, 1985 | Jul 25, 1985 | Union Oil Company of California | Van Zandt | Swain, O. L. 11 "B" #11 | 3,060 | 46730624 |
| 280350 | Jul 17, 1985 | Jul 17, 1985 | Union Oil Company of California | Reagan | Hughes "A" #4 | 10,600 | 38333525 |
| 280035 | Jul 10, 1985 | Jul 10, 1985 | Union Oil Company of California | Hockley | Smyer, East (Clear Fork) Unit #116 | 6,100 | 21934812 |
| 280026 | Jul 10, 1985 | Jul 10, 1985 | Union Oil Company of California | Hockley | Smyer, East (Clear Fork) Unit #113 | 6,100 | 21934811 |
| 280036 | Jul 10, 1985 | Jul 10, 1985 | Union Oil Company of California | Hockley | Smyer, East (Clear Fork) Unit #117 | 6,100 | 21934813 |
| 280037 | Jul 10, 1985 | Jul 10, 1985 | Union Oil Company of California | Hockley | Smyer, East (Clear Fork) Unit #114 | 6,100 | 21934814 |
| 279680 | Jul 8, 1985 | Jul 8, 1985 | Union Oil Company of California | Ector | Moss Unit #704 | 4,900 | 13535024 |
| 279599 | Jul 3, 1985 | Jul 3, 1985 | Union Oil Company of California | Hockley | Smyer, East (Clear Fork) Unit #118 | 6,100 | 21934798 |
| 279596 | Jul 3, 1985 | Jul 3, 1985 | Union Oil Company of California | Hockley | Smyer, East (Clear Fork) Unit #119 | 6,100 | 21934797 |
| 279103 | Jul 1, 1985 | Jul 1, 1985 | Union Oil Company of California | Gaines | North Riley Unit #309 | 7,400 | 16533305 |
| 279109 | Jun 28, 1985 | Jun 28, 1985 | Union Oil Company of California | Gaines | North Riley Unit #267 | 7,400 | 16533306 |
| 279241 | Jun 28, 1985 | Jun 28, 1985 | Union Oil Company of California | Gaines | North Riley Unit #311 | 7,400 | 16533310 |
| 278759 | Jun 26, 1985 | Jun 26, 1985 | Union Oil Company of California | Hockley | Smyer, East (Clear Fork) Unit #111 | 6,100 | 21934794 |
| 278741 | Jun 24, 1985 | Jun 24, 1985 | Union Oil Company of California | Hockley | Smyer, East (Clear Fork) Unit #110 | 6,100 | 21934793 |
| 278728 | Jun 24, 1985 | Jun 24, 1985 | Union Oil Company of California | Hockley | Smyer, East (Clear Fork) Unit #112 | 6,100 | 21934791 |
| 280799 | Jun 24, 1985 | Jun 24, 1985 | Union Oil Company of California | Van Zandt | Bracken, J. A. 503 #7 | 3,000 | 46730623 |
| 278475 | Jun 20, 1985 | Jun 20, 1985 | Union Oil Company of California | Hockley | Smyer, East (Clearfork) Unit #115 | 6,100 | 21935035 |
| 278476 | Jun 20, 1985 | Jun 20, 1985 | Union Oil Company of California | Gaines | North Riley Unit #361 | 7,400 | 16533296 |
| 278477 | Jun 20, 1985 | Jun 20, 1985 | Union Oil Company of California | Gaines | North Riley Unit #255 | 7,400 | 16533297 |
| 278478 | Jun 20, 1985 | Jun 20, 1985 | Union Oil Company of California | Gaines | North Riley Unit #333 | 7,400 | 16533298 |
| 278216 | Jun 11, 1985 | Jun 11, 1985 | Union Oil Company of California | Andrews | Dollarhide Unit #4077C | 7,150 | 00334991 |
| 277496 | Jun 10, 1985 | Jun 10, 1985 | Union Oil Company of California | Jackson | Spacek, Frank #11 | 6,600 | 23932154 |
| 277593 | Jun 10, 1985 | Jun 10, 1985 | Union Oil Company of California | Gaines | North Riley Unit #69 | 7,235 | 16501493 |