| 496942 | Jul 7, 2000 | Jul 7, 2000 | Apex Energy, Inc. | Long #102533034 | 5,500 |
| 496934 | Jul 6, 2000 | Jul 6, 2000 | Ocean Energy, Inc. | Younts #102533033 | 13,200 |
| 496887 | Jul 5, 2000 | Jul 5, 2000 | Devon Energy Production Co, L.P. | Ray, George A. #9902533032 | 9,000 |
| 496793 | Jul 3, 2000 | Jul 3, 2000 | United Texas Petroleum Inc. | Henderson SLP #102533031 | 6,000 |
| 496556 | Jun 29, 2000 | Jun 29, 2000 | Hughes, Dan A. Company | McKinney, J. E. #202530378 | 9,959 |
| 496633 | Jun 28, 2000 | Jun 28, 2000 | Corenergy Operating Group, LLC | J. L. Blackburn Trust Unit #202533030 | 2,400 |
| 496632 | Jun 28, 2000 | Jun 28, 2000 | Republic Resources, LLC, | Martinson #102533029 | 4,500 |
| 496632Amendment | Jun 28, 2000 | Jun 28, 2000 | Republic Resources, LLC, | Martinson #102533029 | 4,500 |
| 496392 | Jun 23, 2000 | Jun 23, 2000 | Hughes, Dan A. Company | Mansker "A" #102533028 | 12,500 |
| 496242 | Jun 20, 2000 | Jun 20, 2000 | C & E Operating, Inc. | Thomson-Barrow Corp. C #2102533027 | 6,500 |
| 496116 | Jun 20, 2000 | Jun 20, 2000 | Staples, James W. Prod. Co. | Baker #102531925 | 3,100 |
| 496277 | Jun 16, 2000 | Jun 16, 2000 | Republic Resources, LLC, | Imogene Hall Unit #1002533026 | 3,250 |
| 496277Amendment | Jun 16, 2000 | Jun 16, 2000 | Republic Resources, LLC, | Imogene Hall Unit #1002533026 | 3,250 |
| 496277Amendment | Jun 16, 2000 | Jun 16, 2000 | Republic Resources, LLC, | Imogene Hall Unit #1002533026 | 3,250 |
| 496108 | Jun 16, 2000 | Jun 16, 2000 | C-Tech | Schlotterbeck-Adams #202533024 | 10,500 |
| 496107 | Jun 16, 2000 | Jun 16, 2000 | C-Tech | Adams-Schlotterbeck #302531460 | 3,300 |
| 495044 | Jun 16, 2000 | Jun 16, 2000 | Southwest Land & Minerals, Inc. | Shinn, George #102533020 | 4,350 |
| 496098 | Jun 12, 2000 | Jun 12, 2000 | C-Tech | Adams-Schlotterbeck #2 #202501696 | 3,300 |
| 495747 | Jun 2, 2000 | Jun 2, 2000 | Aurora Resources Corporation | Phillips, C. W. #102531563 | 1,000 |
| 495745 | Jun 1, 2000 | Jun 1, 2000 | Corenergy Operating Group, LLC | Blackburn, L. K. #502533023 | 1,800 |
| 495745Amendment | Jun 1, 2000 | Jun 1, 2000 | Corenergy Operating Group, LLC | Blackburn, L. K. #502533023 | 2,300 |
| 495743 | Jun 1, 2000 | Jun 1, 2000 | Corenergy Operating Group, LLC | Blackburn, J. L. Trust #102533022 | 2,000 |
| 495743Amendment | Jun 1, 2000 | Jun 1, 2000 | Corenergy Operating Group, LLC | Blackburn, J. L. Trust #102533022 | 2,300 |
| 495743Amendment | Jun 1, 2000 | Jun 1, 2000 | Corenergy Operating Group, LLC | Blackburn, J. L. Trust #102533022 | 2,300 |
| 495630 | May 30, 2000 | May 30, 2000 | Exp, Inc. | Hughes FPL #102533021 | 5,500 |
| 494997 | May 12, 2000 | May 12, 2000 | Tidal Petroleum, Inc. | McWhoter #202533019 | 4,500 |
| 494849 | May 12, 2000 | May 12, 2000 | Spiller Operating Co., Inc. | Knight et Al #102533018 | 4,000 |
| 494785 | May 5, 2000 | May 5, 2000 | Ampak Oil Company | Ray #302532610 | 4,000 |
| 494562 | May 2, 2000 | May 2, 2000 | Pioneer Natural Res. USA, Inc. | Henry Bues Gas Unit #7H02532701 | 15,000 |
| 494544 | Apr 28, 2000 | Apr 28, 2000 | C & E Operating, Inc. | O'Brien-Harkins A #502533017 | 3,900 |
| 494500 | Apr 28, 2000 | Apr 28, 2000 | Sue-Ann Operating, L.C. | Hartzendorf #102533016 | 2,950 |
| 494500Amendment | Apr 28, 2000 | Apr 28, 2000 | Sue-Ann Operating, L.C. | Hartzendorf #102533016 | 3,100 |
| 491790 | Apr 28, 2000 | Apr 28, 2000 | Pioneer Natural Res. USA, Inc. | O'Neal Gas Unit #202530359 | 13,792 |
| 494333 | Apr 20, 2000 | Apr 20, 2000 | Ampak Oil Company | Lehman & Richards #102533015 | 4,000 |
| 494332 | Apr 20, 2000 | Apr 20, 2000 | Ampak Oil Company | Iley & Wallace #102533014 | 4,000 |
| 494074 | Apr 13, 2000 | Apr 13, 2000 | Ampak Oil Company | Ray #102533012 | 3,500 |
| 493856 | Apr 13, 2000 | Apr 13, 2000 | Chenier Energy LLC | Kennedy, B. G. A. #102533010 | 850 |
| 494184 | Apr 11, 2000 | Apr 11, 2000 | Pioneer Natural Res. USA, Inc. | Tomasek Gas Unit #6H02533013 | 13,850 |
| 493948 | Apr 11, 2000 | Apr 11, 2000 | Rio Bravo Expl. & Prod. Co. | Hartzendorf et Al #102533011 | 6,000 |
| 493948Amendment | Apr 11, 2000 | Apr 11, 2000 | Tidy Energy Resources Inc. | Hartzendorf et Al #102533011 | 6,000 |
| 493948Amendment | Apr 11, 2000 | Apr 11, 2000 | Tidy Energy Resources Inc. | Hartzendorf et Al #102533011 | 6,000 |
| 493714 | Apr 5, 2000 | Apr 5, 2000 | Prime Operating Company | Brooks Trust #102533009 | 9,500 |
| 493612 | Mar 29, 2000 | Mar 29, 2000 | Tidal Petroleum, Inc. | McWhorter #102533008 | 4,500 |
| 492612 | Mar 28, 2000 | Mar 28, 2000 | Pioneer Natural Res. USA, Inc. | Henry Bues Gas Unit #4H02532649 | 13,908 |
| 493419 | Mar 27, 2000 | Mar 27, 2000 | C & E Operating, Inc. | Thomson-Barrow Corp. "C" #2002533007 | 6,200 |
| 493294 | Mar 21, 2000 | Mar 21, 2000 | Pioneer Natural Res. USA, Inc. | O'Neal Gas Unit #5H02533006 | 14,000 |
| 493294Amendment | Mar 21, 2000 | Mar 21, 2000 | Pioneer Natural Res. USA, Inc. | O'Neal Gas Unit #5H02533006 | 14,000 |
| 493294Amendment | Mar 21, 2000 | Mar 21, 2000 | Pioneer Natural Res. USA, Inc. | O'Neal Gas Unit #5H02533006 | 14,000 |
| 490843 | Mar 20, 2000 | Mar 20, 2000 | Apex Energy, Inc. | Healey #102532990 | 5,550 |
| 493053 | Mar 16, 2000 | Mar 16, 2000 | Wagner Oil Company | Walton - Ray Wilcox Unit #102502885 | 8,010 |
| 493114 | Mar 15, 2000 | Mar 15, 2000 | Tidal Petroleum, Inc. | Howard #202533005 | 4,500 |
| 493114Amendment | Mar 15, 2000 | Mar 15, 2000 | Tidal Petroleum, Inc. | Howard #202533005 | 4,500 |
| 493005 | Mar 13, 2000 | Mar 13, 2000 | Winn Exploration Co., Inc. | Dugat #102533004 | 11,900 |
| 493004 | Mar 13, 2000 | Mar 13, 2000 | Winn Exploration Co., Inc. | Finley #102533003 | 9,100 |
| 492939 | Mar 10, 2000 | Mar 10, 2000 | Winn Exploration Co., Inc. | Finley #202533002 | 3,700 |
| 492894 | Mar 9, 2000 | Mar 9, 2000 | Tidal Petroleum, Inc. | Suffel #302533001 | 4,500 |
| 491790Amendment | Mar 6, 2000 | Mar 6, 2000 | Pioneer Natural Res. USA, Inc. | O'Neal Gas Unit #2H02530359 | 13,792 |
| 492429 | Mar 1, 2000 | Mar 1, 2000 | Staples, James W. Prod. Co. | Bush, Edith Smith #102531005 | 3,675 |
| 492552 | Feb 29, 2000 | Feb 29, 2000 | Sue-Ann Operating, L.C. | McMillan, Martha #102533000 | 2,900 |
| 491196 | Feb 11, 2000 | Feb 11, 2000 | Chenier Energy LLC | Hoff, R. M. #102532999 | 900 |
| 491542 | Feb 4, 2000 | Feb 4, 2000 | Petra Oleum Corp. | Ramirez "B" #302532191 | 1,500 |
| 491533 | Feb 1, 2000 | Feb 1, 2000 | C & E Operating, Inc. | Hughes, J. W. FLP #102532823 | 5,400 |
| 491418 | Jan 25, 2000 | Jan 25, 2000 | Apex Energy, Inc. | La Rose #202532998 | 5,400 |
| 491352 | Jan 24, 2000 | Jan 24, 2000 | Corenergy Operating Group, LLC | Joy Estate #102532997 | 5,700 |
| 491352Amendment | Jan 24, 2000 | Jan 24, 2000 | Corenergy Operating Group, LLC | Joy Estate #102532997 | 2,400 |
| 491352Amendment | Jan 24, 2000 | Jan 24, 2000 | Corenergy Operating Group, LLC | Joy Estate #102532997 | 2,600 |
| 491352Amendment | Jan 24, 2000 | Jan 24, 2000 | Corenergy Operating Group, LLC | Joy Estate #102532997 | 2,600 |
| 491272 | Jan 20, 2000 | Jan 20, 2000 | Pioneer Natural Res. USA, Inc. | Henry Bues Gas Unit #6H02532661 | 13,933 |
| 491272Amendment | Jan 20, 2000 | Jan 20, 2000 | Pioneer Natural Res. USA, Inc. | Henry Bues Gas Unit #6H02532661 | 13,933 |
| 491195 | Jan 19, 2000 | Jan 19, 2000 | Tidal Petroleum, Inc. | Howard #102532996 | 4,500 |
| 491195Amendment | Jan 19, 2000 | Jan 19, 2000 | Tidal Petroleum, Inc. | Howard #102532996 | 4,500 |
| 491150 | Jan 18, 2000 | Jan 18, 2000 | Hollimon Oil Corporation | Edler, J. B. #24 #2402532995 | 5,700 |
| 490848 | Jan 14, 2000 | Jan 14, 2000 | C & E Operating, Inc. | Thomson-Barrow Corp. C #1802532993 | 6,300 |
| 491071 | Jan 13, 2000 | Jan 13, 2000 | Republic Resources, LLC, | Robinson #5B02532994 | 3,600 |
| 490747 | Jan 13, 2000 | Jan 13, 2000 | Hollimon Oil Corporation | Davis, N. B. #702501858 | 3,750 |
| 490849 | Jan 10, 2000 | Jan 10, 2000 | C & E Operating, Inc. | O'Brien-Harkins A #402532992 | 4,000 |
| 490886 | Jan 6, 2000 | Jan 6, 2000 | Pioneer Natural Res. USA, Inc. | Gordon Gas Unit #2H02530491 | 13,800 |
| 490886Amendment | Jan 6, 2000 | Jan 6, 2000 | Pioneer Natural Res. USA, Inc. | Gordon Gas Unit #2H02530491 | 13,800 |
| 490841 | Jan 5, 2000 | Jan 5, 2000 | Corenergy Operating Group, LLC | Lucas, A. L. #102532991 | 4,200 |
| 490839 | Jan 5, 2000 | Jan 5, 2000 | Brazos Production Services, Inc. | Knight #102532989 | 2,000 |
| 490839Amendment | Jan 5, 2000 | Jan 5, 2000 | Brazos Production Services, Inc. | Knight #1 #102532989 | 2,107 |
| 490598 | Dec 22, 1999 | Dec 22, 1999 | Republic Resources, LLC, | Stauss-Nelson #102532988 | 3,000 |
| 490436 | Dec 16, 1999 | Dec 16, 1999 | Corenergy Operating Group, LLC | Blackburn, L. K. #402532987 | 2,300 |
| 488801 | Dec 10, 1999 | Dec 10, 1999 | Columbus Energy Corp. | Long #502532984 | 10,000 |
| 489960 | Dec 1, 1999 | Dec 1, 1999 | Pioneer Natural Res. USA, Inc. | O'Neal Gas Unit #3H02532638 | 13,514 |
| 489960Amendment | Dec 1, 1999 | Dec 1, 1999 | Pioneer Natural Res. USA, Inc. | O'Neal Gas Unit #3H02532638 | 13,514 |
| 489960Amendment | Dec 1, 1999 | Dec 1, 1999 | Pioneer Natural Res. USA, Inc. | O'Neal Gas Unit #3H02532638 | 13,838 |
| 489696 | Nov 19, 1999 | Nov 19, 1999 | Republic Resources, LLC, | Olson #102532986 | 4,500 |
| 488410 | Nov 16, 1999 | Nov 16, 1999 | Corenergy Operating Group, LLC | Ferrell, D. L. #202532977 | 6,000 |
| 489113 | Nov 3, 1999 | Nov 3, 1999 | Corenergy Operating Group, LLC | Lewis Ranch "B" #302532985 | 5,150 |
| 488768 | Oct 27, 1999 | Oct 27, 1999 | Pmi Energy Co. | Long #102532983 | 4,800 |
| 488768Amendment | Oct 27, 1999 | Oct 27, 1999 | Pmi Energy Co. | Long #102532983 | 4,800 |
| 488741 | Oct 26, 1999 | Oct 26, 1999 | Miller, W. C. Operating Company | Sparkman #202532981 | 1,200 |
| 488740 | Oct 26, 1999 | Oct 26, 1999 | Miller, W. C. Operating Company | Sparkman #102532982 | 1,200 |
| 488740Amendment | Oct 26, 1999 | Oct 26, 1999 | Miller, W. C. Operating Company | Sparkman #102532982 | 1,200 |
| 488700 | Oct 20, 1999 | Oct 20, 1999 | Republic Resources, LLC, | Staples, J. Jr. #102532929 | 4,500 |
| 488694 | Oct 20, 1999 | Oct 20, 1999 | Republic Resources, LLC, | Staples, J. Jr. #202532980 | 4,500 |
| 488571 | Oct 15, 1999 | Oct 15, 1999 | Corenergy Operating Group, LLC | Blackburn, L. K. #302532979 | 2,500 |
| 488436 | Oct 12, 1999 | Oct 12, 1999 | Felderhoff Production Co. | Bridge #102532978 | 3,500 |
| 488412 | Oct 11, 1999 | Oct 11, 1999 | Corenergy Operating Group, LLC | Lewis Ranch #102532975 | 4,940 |