| 463767 | Jun 13, 1997 | Jun 13, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #E621W | 2,950 | 46133804 |
| 463766 | Jun 13, 1997 | Jun 13, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #E637W | 2,950 | 46133806 |
| 463765 | Jun 13, 1997 | Jun 13, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #E639RW | 2,950 | 46133796 |
| 463764 | Jun 13, 1997 | Jun 13, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #E641R | 2,950 | 46133797 |
| 463762 | Jun 13, 1997 | Jun 13, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #E645R | 2,950 | 46133798 |
| 463761 | Jun 13, 1997 | Jun 13, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #E661 | 2,950 | 46133799 |
| 463760 | Jun 13, 1997 | Jun 13, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S213W | 2,950 | 46133800 |
| 463757 | Jun 13, 1997 | Jun 13, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S215W | 2,950 | 46133801 |
| 463755 | Jun 13, 1997 | Jun 13, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S447R | 2,950 | 46133802 |
| 463754 | Jun 13, 1997 | Jun 13, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S301RW | 2,950 | 46133803 |
| 463750 | Jun 13, 1997 | Jun 13, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #E613 | 2,950 | 46133805 |
| 463597 | Jun 10, 1997 | Jun 10, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S403RW | 2,950 | 46133794 |
| 463595 | Jun 10, 1997 | Jun 10, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S417RW | 2,950 | 46133791 |
| 463594 | Jun 10, 1997 | Jun 10, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S415R | 2,950 | 46133793 |
| 463592 | Jun 10, 1997 | Jun 10, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S401RW | 2,950 | 46133792 |
| 463592Amendment | Jun 10, 1997 | Jun 10, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S401RW | 2,950 | 46133792 |
| 463160 | Jun 2, 1997 | Jun 2, 1997 | Burlington Resources Oil&gas Co. | Lamb | Priboth #2 | 7,150 | 27930344 |
| 463056 | May 29, 1997 | May 29, 1997 | Burlington Resources Oil&gas Co. | Lamb | Gronewald #1 | 7,500 | 27930343 |
| 461881 | May 1, 1997 | May 1, 1997 | Burlington Resources Oil&gas Co. | Edwards | Canyon Ranch #2121E | 7,005 | 13731037 |
| 461881Amendment | May 1, 1997 | May 1, 1997 | Burlington Resources Oil&gas Co. | Edwards | Canyon Ranch #2121EHH | 6,876 | 13731037 |
| 461766 | Apr 29, 1997 | Apr 29, 1997 | Burlington Resources Oil&gas Co. | Sutton | Meckel #39 | 6,000 | 43534710 |
| 461765 | Apr 29, 1997 | Apr 29, 1997 | Burlington Resources Oil&gas Co. | Roberts | McMordie #1025 | 9,800 | 39331372 |
| 461492 | Apr 22, 1997 | Apr 22, 1997 | Burlington Resources Oil&gas Co. | Galveston | Clements, H. B. et Al #001 | 11,750 | 16731288 |
| 461492Amendment | Apr 22, 1997 | Apr 22, 1997 | Burlington Resources Oil&gas Co. | Galveston | Clements, H. B. et Al #001 | 14,500 | 16731288 |
| 461417 | Apr 21, 1997 | Apr 21, 1997 | Burlington Resources Oil&gas Co. | Reeves | Keymaster #1 | 11,200 | 38932126 |
| 461417Amendment | Apr 21, 1997 | Apr 21, 1997 | Burlington Resources Oil&gas Co. | Reeves | Keymaster #1 | 12,500 | 38932126 |
| 461415 | Apr 21, 1997 | Apr 21, 1997 | Burlington Resources Oil&gas Co. | Reeves | Interstate #1 | 11,500 | 38932127 |
| 461184 | Apr 15, 1997 | Apr 15, 1997 | Burlington Resources Oil&gas Co. | Sutton | Deberry-Berger Unit #13 | 6,650 | 43534708 |
| 461182 | Apr 15, 1997 | Apr 15, 1997 | Burlington Resources Oil&gas Co. | Sutton | Deberry-Berger Unit #14 | 6,600 | 43534709 |
| 461181 | Apr 15, 1997 | Apr 15, 1997 | Burlington Resources Oil&gas Co. | Edwards | Four Square Ranch #0081EHH | 6,815 | 13731316 |
| 460977 | Apr 10, 1997 | Apr 10, 1997 | Burlington Resources Oil&gas Co. | Sutton | Canyon Ranch #2161S | 7,000 | 43533693 |
| 460977Amendment | Apr 10, 1997 | Apr 10, 1997 | Burlington Resources Oil&gas Co. | Sutton | Canyon Ranch #2161SHH | 6,850 | 43533693 |
| 460821 | Apr 7, 1997 | Apr 7, 1997 | Burlington Resources Oil&gas Co. | Lamb | Rose #2H | 6,698 | 27930332 |
| 460821Amendment | Apr 7, 1997 | Apr 7, 1997 | Burlington Resources Oil&gas Co. | Lamb | Rose #2H | 6,795 | 27930332 |
| 460735 | Apr 4, 1997 | Apr 4, 1997 | Burlington Resources Oil&gas Co. | Lamb | Moseley #2H | 6,791 | 27930322 |
| 460735Amendment | Apr 4, 1997 | Apr 4, 1997 | Burlington Resources Oil&gas Co. | Lamb | Moseley #2H | 6,791 | 27930322 |
| 460680 | Apr 3, 1997 | Apr 3, 1997 | Burlington Resources Oil&gas Co. | Lamb | Billy C #2H | 6,793 | 27930324 |
| 458722 | Apr 2, 1997 | Apr 2, 1997 | Burlington Resources Oil&gas Co. | Winkler | Keystone Cattle Company #405 | 8,466 | 49532314 |
| 459014 | Apr 1, 1997 | Apr 1, 1997 | Burlington Resources Oil&gas Co. | Hemphill | Flowers 224 #11 | 7,800 | 21132212 |
| 460321 | Mar 25, 1997 | Mar 25, 1997 | Burlington Resources Oil&gas Co. | Upton | Lane, John F. #5 | 9,000 | 46133764 |
| 460320 | Mar 25, 1997 | Mar 25, 1997 | Burlington Resources Oil&gas Co. | Upton | Shirk, J.F. -F- #10 | 9,500 | 46133765 |
| 460320Amendment | Mar 25, 1997 | Mar 25, 1997 | Burlington Resources Oil&gas Co. | Upton | Shirk, J.F. -F- #10 | 10,100 | 46133765 |
| 460320Amendment | Mar 25, 1997 | Mar 25, 1997 | Burlington Resources Oil&gas Co. | Upton | Shirk, J.H. -F- #10 | 10,100 | 46133765 |
| 460320Amendment | Mar 25, 1997 | Mar 25, 1997 | Burlington Resources Oil&gas Co. | Upton | Shirk, J.H. -F- #10 | 10,500 | 46133765 |
| 460284 | Mar 24, 1997 | Mar 24, 1997 | Burlington Resources Oil&gas Co. | Lamb | Ablert T. #1 | 6,950 | 27930342 |
| 460151 | Mar 20, 1997 | Mar 20, 1997 | Burlington Resources Oil&gas Co. | Sutton | Deberry A #38 | 6,900 | 43534696 |
| 460150 | Mar 20, 1997 | Mar 20, 1997 | Burlington Resources Oil&gas Co. | Sutton | Deberry A #42 | 6,850 | 43534693 |
| 460149 | Mar 20, 1997 | Mar 20, 1997 | Burlington Resources Oil&gas Co. | Sutton | Deberry A #49 | 6,650 | 43534694 |
| 460148 | Mar 20, 1997 | Mar 20, 1997 | Burlington Resources Oil&gas Co. | Sutton | Deberry A #50 | 6,400 | 43534695 |
| 460116 | Mar 20, 1997 | Mar 20, 1997 | Burlington Resources Oil&gas Co. | Hemphill | Flowers 12 #226 | 8,000 | 21132222 |
| 460114 | Mar 20, 1997 | Mar 20, 1997 | Burlington Resources Oil&gas Co. | Hemphill | Flowers 13 #226 | 8,000 | 21132223 |
| 460044 | Mar 18, 1997 | Mar 18, 1997 | Burlington Resources Oil&gas Co. | Sutton | Steen #44 | 6,000 | 43534691 |
| 460043 | Mar 18, 1997 | Mar 18, 1997 | Burlington Resources Oil&gas Co. | Sutton | Deberry #15 | 6,600 | 43534692 |
| 459983 | Mar 17, 1997 | Mar 17, 1997 | Burlington Resources Oil&gas Co. | Sutton | Davis "E" #13 | 6,350 | 43534690 |
| 459522 | Mar 6, 1997 | Mar 6, 1997 | Burlington Resources Oil&gas Co. | Upton | A-Bear #1 | 11,550 | 46132844 |
| 459497 | Mar 5, 1997 | Mar 5, 1997 | Burlington Resources Oil&gas Co. | Sutton | Steen #12 | 5,150 | 43530554 |
| 459466 | Mar 5, 1997 | Mar 5, 1997 | Burlington Resources Oil&gas Co. | Hemphill | Cook #301 | 7,800 | 21132217 |
| 457544 | Feb 27, 1997 | Feb 27, 1997 | Burlington Resources Oil&gas Co. | Upton | Windham, R. S. "A" #1073 | 12,400 | 46133711 |
| 458723 | Feb 24, 1997 | Feb 24, 1997 | Burlington Resources Oil&gas Co. | Winkler | Keystone Cattle Company #404 | 7,419 | 49532315 |
| 458959 | Feb 21, 1997 | Feb 21, 1997 | Burlington Resources Oil&gas Co. | Edwards | Four Square Ranch #0542EHH | 7,100 | 13731308 |
| 458959Amendment | Feb 21, 1997 | Feb 21, 1997 | Burlington Resources Oil&gas Co. | Edwards | Four Square Ranch #0542EHH | 7,100 | 13731308 |
| 458919 | Feb 20, 1997 | Feb 20, 1997 | Burlington Resources Oil&gas Co. | Edwards | Canyon Ranch #5012EHH | 6,800 | 13731307 |
| 458584 | Feb 18, 1997 | Feb 18, 1997 | Burlington Resources Oil&gas Co. | Reeves | Hammering Hank #1 | 22,000 | 38932118 |
| 458584Amendment | Feb 18, 1997 | Feb 18, 1997 | Burlington Resources Oil&gas Co. | Reeves | Hammering Hank #1 | 22,000 | 38932118 |
| 458671 | Feb 14, 1997 | Feb 14, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #E603RW | 2,950 | 46133729 |
| 458665 | Feb 14, 1997 | Feb 14, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S443 | 2,956 | 46133727 |
| 458664 | Feb 14, 1997 | Feb 14, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #N463R | 2,950 | 46133725 |
| 458663 | Feb 14, 1997 | Feb 14, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #N551RW | 2,950 | 46133730 |
| 458662 | Feb 14, 1997 | Feb 14, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #N549W | 2,950 | 46133724 |
| 458660 | Feb 14, 1997 | Feb 14, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #E615R | 2,950 | 46133723 |
| 458659 | Feb 14, 1997 | Feb 14, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S423RW | 2,950 | 46133731 |
| 458658 | Feb 14, 1997 | Feb 14, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #E619RW | 2,950 | 46133732 |
| 458657 | Feb 14, 1997 | Feb 14, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S457R | 2,950 | 46133728 |
| 458656 | Feb 14, 1997 | Feb 14, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S427 | 2,950 | 46133726 |
| 458655 | Feb 14, 1997 | Feb 14, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S455W | 2,950 | 46133738 |
| 458654 | Feb 14, 1997 | Feb 14, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S405RW | 2,950 | 46133736 |
| 458653 | Feb 14, 1997 | Feb 14, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #N449RW | 2,950 | 46133735 |
| 458652 | Feb 14, 1997 | Feb 14, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #N457R | 2,950 | 46133737 |
| 458651 | Feb 14, 1997 | Feb 14, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S220 | 2,950 | 46133733 |
| 458651Amendment | Feb 14, 1997 | Feb 14, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S220 | 2,950 | 46133733 |
| 458650 | Feb 14, 1997 | Feb 14, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S437RW | 2,950 | 46133734 |
| 458238 | Feb 5, 1997 | Feb 5, 1997 | Burlington Resources Oil&gas Co. | Hemphill | Flowers #2225 | 7,800 | 21132206 |
| 458238Amendment | Feb 5, 1997 | Feb 5, 1997 | Burlington Resources Oil&gas Co. | Hemphill | Flowers #2225 | 7,900 | 21132206 |
| 457987 | Feb 4, 1997 | Feb 4, 1997 | Burlington Resources Oil&gas Co. | Loving | El Mar/Delaware/Unit #1634AW | 4,700 | 30131075 |
| 457986 | Feb 4, 1997 | Feb 4, 1997 | Burlington Resources Oil&gas Co. | Loving | El Mar/Delaware/Unit #1632AW | 4,700 | 30131074 |
| 457985 | Feb 4, 1997 | Feb 4, 1997 | Burlington Resources Oil&gas Co. | Loving | El Mar/Delaware/Unit #1624A | 4,700 | 30131073 |
| 458074 | Jan 31, 1997 | Jan 31, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S226 | 2,950 | 46133719 |
| 458073 | Jan 31, 1997 | Jan 31, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S521W | 2,950 | 46133718 |
| 458072 | Jan 31, 1997 | Jan 31, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S519RW | 2,950 | 46133717 |
| 458071 | Jan 31, 1997 | Jan 31, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S228R | 2,950 | 46133716 |
| 458070 | Jan 31, 1997 | Jan 31, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S232RW | 2,950 | 46133714 |
| 458069 | Jan 31, 1997 | Jan 31, 1997 | Burlington Resources Oil&gas Co. | Upton | McCamey Unit #S230W | 2,950 | 46133715 |
| 457943 | Jan 29, 1997 | Jan 29, 1997 | Burlington Resources Oil&gas Co. | Dawson | Brown #1 | 12,600 | 11532952 |
| 457920 | Jan 28, 1997 | Jan 28, 1997 | Burlington Resources Oil&gas Co. | Martin | Calina Trust #1 | 12,300 | 31734074 |
| 457756 | Jan 23, 1997 | Jan 23, 1997 | Burlington Resources Oil&gas Co. | Calhoun | Traylor, Maude B. "B" #B 6 | 14,800 | 05731553 |
| 457756Amendment | Jan 23, 1997 | Jan 23, 1997 | Burlington Resources Oil&gas Co. | Calhoun | Traylor, Maude B. "B" #B 6 | 15,150 | 05731553 |
| 457756Amendment | Jan 23, 1997 | Jan 23, 1997 | Burlington Resources Oil&gas Co. | Calhoun | Traylor, Maude B. "B" #B 6 | 15,150 | 05731553 |
| 457756Amendment | Jan 23, 1997 | Jan 23, 1997 | Burlington Resources Oil&gas Co. | Calhoun | Traylor, Maude B. "B" #B 6 | 15,150 | 05731553 |
| 457503 | Jan 22, 1997 | Jan 22, 1997 | Burlington Resources Oil&gas Co. | Loving | Brunson, Glenn 9-26 #2 | 9,500 | 30131072 |
| 457549 | Jan 17, 1997 | Jan 17, 1997 | Burlington Resources Oil&gas Co. | Calhoun | Traylor, Maude B. #13 | 12,600 | 05731441 |