| 507906 | Apr 24, 2001 | Apr 24, 2001 | Valence Operating Company | Ivy, Jim #1 | 13,200 | 16132058 |
| 508046 | Apr 20, 2001 | Apr 20, 2001 | Anadarko Petroleum Corp. | Burgher "D" #13 | 14,000 | 16132065 |
| 508044 | Apr 20, 2001 | Apr 20, 2001 | Anadarko Petroleum Corp. | Burgher "C" #17 | 13,500 | 16132064 |
| 508043 | Apr 20, 2001 | Apr 20, 2001 | Anadarko Petroleum Corp. | Burgher "D" #14 | 14,000 | 16132066 |
| 508039 | Apr 20, 2001 | Apr 20, 2001 | El Paso Production Company | W. T. Cochrum Gas Unit #1 | 12,500 | 16132063 |
| 507973 | Apr 20, 2001 | Apr 20, 2001 | Matador Operating Company | Hill Ranch Unit 3 #1 | 12,700 | 16132061 |
| 507972 | Apr 20, 2001 | Apr 20, 2001 | Matador Operating Company | Aultman Gas Unit #2 | 12,700 | 16132060 |
| 507937 | Apr 20, 2001 | Apr 20, 2001 | Ocean Energy, Inc. | Ivy "B" Gas Unit 1 #3 | 13,000 | 16132059 |
| 505495 | Apr 20, 2001 | Apr 20, 2001 | Anadarko Petroleum Corp. | Moore, J. H. #8 | 13,000 | 16132014 |
| 507821 | Apr 19, 2001 | Apr 19, 2001 | Valence Operating Company | Worthy Gas Unit #4 | 13,200 | 16132056 |
| 507890 | Apr 18, 2001 | Apr 18, 2001 | Herd Producing Company, Inc. | Oakes-Turner Gas Unit No. 1 #3 | 12,900 | 16131831 |
| 507889 | Apr 18, 2001 | Apr 18, 2001 | Anadarko Petroleum Corp. | Ledbetter "A" #2 | 13,000 | 16132057 |
| 506922 | Apr 18, 2001 | Apr 18, 2001 | Ocean Energy, Inc. | Stradford Gas Unit #3 | 13,000 | 16132047 |
| 507805 | Apr 16, 2001 | Apr 16, 2001 | Marathon Oil Company | Utley 1 #5 | 12,650 | 16132055 |
| 507663 | Apr 11, 2001 | Apr 11, 2001 | Matador Operating Company | S. Senter Gas Unit #1 | 12,500 | 16132054 |
| 507545 | Apr 11, 2001 | Apr 11, 2001 | Freestone Disposal | Chavers, Mark E. et UX #1D | 5,100 | 16132053 |
| 506920 | Apr 5, 2001 | Apr 5, 2001 | Kaiser-Francis Oil Company | Cagle Gas Unit #1 | 13,047 | 16130174 |
| 507364 | Apr 3, 2001 | Apr 3, 2001 | Apache Corporation | Pyramid Land #1 | 12,200 | 16132051 |
| 507136 | Apr 3, 2001 | Apr 3, 2001 | El Paso Production Company | Wiebolt GU #6 | 13,000 | 16132049 |
| 507279 | Apr 2, 2001 | Apr 2, 2001 | Matador Operating Company | Hill Ranch Unit 2 #1 | 12,500 | 16132050 |
| 507073 | Mar 27, 2001 | Mar 27, 2001 | El Paso Production Company | Hunt Gas Unit No. 4 #4 | 13,000 | 16132048 |
| 506661 | Mar 23, 2001 | Mar 23, 2001 | Stroud Petroleum, Inc. | Rice #1 | 11,400 | 16132045 |
| 497074 | Mar 23, 2001 | Mar 23, 2001 | Anadarko Petroleum Corp. | Eubanks Trust #11 | 13,000 | 16131814 |
| 497072 | Mar 21, 2001 | Mar 21, 2001 | Anadarko Petroleum Corp. | Eubanks Trust #10 | 13,000 | 16131812 |
| 506745 | Mar 20, 2001 | Mar 20, 2001 | Anadarko Petroleum Corp. | Burgher "G" #8 | 13,500 | 16132046 |
| 505589 | Mar 20, 2001 | Mar 20, 2001 | Brown, George R. Partnership,the | Athel Ivy Unit #3 | 12,500 | 16132016 |
| 506694 | Mar 19, 2001 | Mar 19, 2001 | Apache Corporation | Coleman Gas Unit #1 #3 | 11,600 | 16132044 |
| 506556 | Mar 15, 2001 | Mar 15, 2001 | Anadarko Petroleum Corp. | Neal "B" #1 | 13,500 | 16132043 |
| 506510 | Mar 14, 2001 | Mar 14, 2001 | Ocean Energy, Inc. | F. R. Hill GU 1 #4 | 12,800 | 16132042 |
| 506172 | Mar 13, 2001 | Mar 13, 2001 | Valence Operating Company | Fryer Gas Unit "B" #2 | 13,000 | 16132040 |
| 506172 | Mar 13, 2001 | Mar 13, 2001 | Valence Operating Company | Fryer Gas Unit "B" #2 | 13,000 | 16132040 |
| 506298 | Mar 9, 2001 | Mar 9, 2001 | El Paso Production Company | Webb A #9 | 13,200 | 16132041 |
| 505519 | Mar 9, 2001 | Mar 9, 2001 | Kaiser-Francis Oil Company | Cagle Gas Unit #2 | 13,100 | 16132017 |
| 506169 | Mar 8, 2001 | Mar 8, 2001 | Ocean Energy, Inc. | C. E. Neal GU B-1 #3 | 12,900 | 16132039 |
| 506169 | Mar 8, 2001 | Mar 8, 2001 | Ocean Energy, Inc. | C. E. Neal GU B-1 #3 | 12,900 | 16132039 |
| 506141 | Mar 6, 2001 | Mar 6, 2001 | Pioneer Natural Res. USA, Inc. | George "a" Unit #1 | 14,000 | 16132036 |
| 506056 | Mar 6, 2001 | Mar 6, 2001 | Cross Timbers Operating Company | Worthy 'A' #2 | 14,000 | 16132035 |
| 506056 | Mar 6, 2001 | Mar 6, 2001 | Cross Timbers Operating Company | Worthy 'A' #2 | 14,000 | 16132035 |
| 506084 | Mar 5, 2001 | Mar 5, 2001 | El Paso Production Company | Bonner, J. #2 | 12,800 | 16132034 |
| 505837 | Mar 5, 2001 | Mar 5, 2001 | Wagner & Brown, Ltd. | Shiloh #3 | 11,300 | 16132030 |
| 505837 | Mar 5, 2001 | Mar 5, 2001 | Wagner & Brown, Ltd. | Shiloh #3 | 14,000 | 16132030 |
| 505837 | Mar 5, 2001 | Mar 5, 2001 | Wagner & Brown, Ltd. | Shiloh #3 | 13,500 | 16132030 |
| 506001 | Mar 2, 2001 | Mar 2, 2001 | Matador Operating Company | Webb #1 | 12,500 | 16132033 |
| 506001 | Mar 2, 2001 | Mar 2, 2001 | Matador Operating Company | Webb #1 | 11,813 | 16132033 |
| 506000 | Mar 2, 2001 | Mar 2, 2001 | Apache Corporation | Bonner, Laura #2 | 12,000 | 16132032 |
| 505785 | Mar 2, 2001 | Mar 2, 2001 | Brown, George R. Partnership,the | Wettermark #3 | 12,500 | 16132024 |
| 505952 | Mar 1, 2001 | Mar 1, 2001 | Valence Operating Company | Boyd "B" #4 | 12,400 | 16132031 |
| 505851 | Feb 27, 2001 | Feb 27, 2001 | Anadarko Petroleum Corp. | Burgher "E" #8 | 14,000 | 16132029 |
| 505850 | Feb 27, 2001 | Feb 27, 2001 | Anadarko Petroleum Corp. | Burgher "E" #7 | 14,000 | 16132028 |
| 505849 | Feb 27, 2001 | Feb 27, 2001 | Anadarko Petroleum Corp. | Burgher "A" #10 | 14,000 | 16132027 |
| 505848 | Feb 27, 2001 | Feb 27, 2001 | Anadarko Petroleum Corp. | Burgher "A" #9 | 14,000 | 16132026 |
| 505846 | Feb 27, 2001 | Feb 27, 2001 | Anadarko Petroleum Corp. | Burgher "A" #8 | 14,000 | 16132025 |
| 505846 | Feb 27, 2001 | Feb 27, 2001 | Anadarko Petroleum Corp. | Burgher "A" #8 | 14,000 | 16132025 |
| 505813 | Feb 26, 2001 | Feb 26, 2001 | Anadarko Petroleum Corp. | Burgher "G" #5 | 13,500 | 16132023 |
| 505812 | Feb 26, 2001 | Feb 26, 2001 | Anadarko Petroleum Corp. | Burgher "G" #7 | 13,500 | 16132022 |
| 505808 | Feb 26, 2001 | Feb 26, 2001 | Anadarko Petroleum Corp. | Burgher "G" #4 | 13,500 | 16132021 |
| 505776 | Feb 23, 2001 | Feb 23, 2001 | Anadarko Petroleum Corp. | Anderson Trust "A" #1 | 13,500 | 16132018 |
| 505775 | Feb 23, 2001 | Feb 23, 2001 | Anadarko Petroleum Corp. | Williford "A" #4 | 14,000 | 16132020 |
| 505774 | Feb 23, 2001 | Feb 23, 2001 | Anadarko Petroleum Corp. | Williford "A" #3 | 14,000 | 16132019 |
| 505580 | Feb 20, 2001 | Feb 20, 2001 | Anadarko Petroleum Corp. | Stephens "A" #8 | 14,000 | 16132015 |
| 505471 | Feb 16, 2001 | Feb 16, 2001 | El Paso Production Company | Cummins A #6 | 13,000 | 16132013 |
| 505195 | Feb 15, 2001 | Feb 15, 2001 | Brown, George R. Partnership,the | J. A. Gilliam Unit #2 | 12,500 | 16132011 |
| 505258 | Feb 13, 2001 | Feb 13, 2001 | Mitchell Energy Company L.P. | A. O. Evans, Jr. GU #11 | 9,100 | 16132012 |
| 505258 | Feb 13, 2001 | Feb 13, 2001 | Mitchell Energy Company L.P. | A. O. Evans, Jr. GU #11 | 9,100 | 16132012 |
| 505231 | Feb 12, 2001 | Feb 12, 2001 | Anadarko Petroleum Corp. | Burgher "G" #6 | 13,500 | 16132009 |
| 505228 | Feb 12, 2001 | Feb 12, 2001 | Anadarko Petroleum Corp. | Thigpen "A" #14 | 14,000 | 16132010 |
| 505163 | Feb 9, 2001 | Feb 9, 2001 | Anadarko Petroleum Corp. | Lee Roy "A" #2 | 13,000 | 16132008 |
| 505163 | Feb 9, 2001 | Feb 9, 2001 | Anadarko Petroleum Corp. | Lee Roy "A" #2 | 13,350 | 16132008 |
| 505100 | Feb 8, 2001 | Feb 8, 2001 | Apache Corporation | Moody Estate Gas Unit 2 #3 | 12,700 | 16132007 |
| 505020 | Feb 8, 2001 | Feb 8, 2001 | Pioneer Natural Res. USA, Inc. | Burgher-Neal Unit #4 | 13,900 | 16132005 |
| 505019 | Feb 8, 2001 | Feb 8, 2001 | Pioneer Natural Res. USA, Inc. | Burgher-Neal Unit #5 | 13,900 | 16132006 |
| 505037 | Feb 7, 2001 | Feb 7, 2001 | El Paso Production Company | Wiebolt GU #7 | 13,000 | 16132003 |
| 505037 | Feb 7, 2001 | Feb 7, 2001 | El Paso Production Company | Wiebolt GU #7 | 13,000 | 16132003 |
| 505036 | Feb 7, 2001 | Feb 7, 2001 | El Paso Production Company | Webb A #10 | 13,000 | 16132004 |
| 505036 | Feb 7, 2001 | Feb 7, 2001 | El Paso Production Company | Webb A #10 | 13,200 | 16132004 |
| 505036 | Feb 7, 2001 | Feb 7, 2001 | Hunt Petroleum Corporation | Webb A #10 | 13,200 | 16132004 |
| 504988 | Feb 6, 2001 | Feb 6, 2001 | Chinn Exploration Company | Anderson, H. #4 | 14,000 | 16132002 |
| 504987 | Feb 6, 2001 | Feb 6, 2001 | Chinn Exploration Company | Anderson, H. #3 | 14,000 | 16132001 |
| 504986 | Feb 6, 2001 | Feb 6, 2001 | Chinn Exploration Company | Anderson, H. #2 | 14,000 | 16132000 |
| 504985 | Feb 6, 2001 | Feb 6, 2001 | Chinn Exploration Company | Anderson, H. #1 | 14,000 | 16131999 |
| 504867 | Feb 5, 2001 | Feb 5, 2001 | Texaco E & P Inc. | Ham Gas Unit #6D | 11,168 | 16131325 |
| 504826 | Feb 5, 2001 | Feb 5, 2001 | Marathon Oil Company | Utley "C" #7X | 12,500 | 16131996 |
| 504896 | Feb 2, 2001 | Feb 2, 2001 | Anadarko Petroleum Corp. | Kelly "A" #2 | 14,000 | 16131998 |
| 504862 | Feb 2, 2001 | Feb 2, 2001 | Matador Operating Company | Wood #1 | 11,000 | 16131699 |
| 504828 | Feb 1, 2001 | Feb 1, 2001 | Anadarko Petroleum Corp. | Stephens "A" #12 | 14,000 | 16131997 |
| 504827 | Feb 1, 2001 | Feb 1, 2001 | Anadarko Petroleum Corp. | Blanton #2 | 15,000 | 16131408 |
| 504804 | Feb 1, 2001 | Feb 1, 2001 | Matador Operating Company | Barger, H. #2 | 13,000 | 16131995 |
| 504804 | Feb 1, 2001 | Feb 1, 2001 | Matador Operating Company | Barger, H. #2 | 12,895 | 16131995 |
| 504767 | Feb 1, 2001 | Feb 1, 2001 | Pioneer Natural Res. USA, Inc. | Burgher-Neal Unit #2 | 13,900 | 16131944 |
| 504792 | Jan 31, 2001 | Jan 31, 2001 | Anadarko Petroleum Corp. | Moody "A" #4 | 13,500 | 16131994 |
| 504791 | Jan 31, 2001 | Jan 31, 2001 | Anadarko Petroleum Corp. | Moody "A" #2 | 13,500 | 16131993 |
| 504790 | Jan 31, 2001 | Jan 31, 2001 | Anadarko Petroleum Corp. | Moody "A" #3 | 13,500 | 16131992 |
| 504663 | Jan 31, 2001 | Jan 31, 2001 | Cross Timbers Operating Company | Miller-Hanson #1R | 11,000 | 16131991 |
| 504663 | Jan 31, 2001 | Jan 31, 2001 | Cross Timbers Operating Company | Miller-Hanson #1R | 12,000 | 16131991 |
| 504667 | Jan 30, 2001 | Jan 30, 2001 | Phillips Petroleum Company | McSwane Gas Unit #1 | 12,300 | 16130384 |
| 504411 | Jan 29, 2001 | Jan 29, 2001 | Ocean Energy, Inc. | MT Peyton GU 1 #5 | 12,900 | 16131989 |
| 503630 | Jan 26, 2001 | Jan 26, 2001 | Apache Corporation | Pruiett, M. E. #4 | 11,800 | 16131973 |
| 502675 | Jan 26, 2001 | Jan 26, 2001 | Anadarko Petroleum Corp. | Moore, Alma #13 | 13,000 | 16131951 |
| 502675 | Jan 26, 2001 | Jan 26, 2001 | Anadarko Petroleum Corp. | Moore, Alma #13 | 13,000 | 16131951 |
| 502674 | Jan 26, 2001 | Jan 26, 2001 | Anadarko Petroleum Corp. | Moore, Alma #14 | 13,000 | 16131952 |