| 502673 | Jan 26, 2001 | Jan 26, 2001 | Anadarko Petroleum Corp. | Moore, Alma #15 | 13,000 | 16131953 |
| 502671 | Jan 26, 2001 | Jan 26, 2001 | Anadarko Petroleum Corp. | Moore, J. H. #9 | 13,000 | 16131950 |
| 504500 | Jan 25, 2001 | Jan 25, 2001 | Matador Operating Company | Whitaker #1 | 12,500 | 16131990 |
| 504500 | Jan 25, 2001 | Jan 25, 2001 | Matador Operating Company | Whitaker #1 | 12,500 | 16131990 |
| 504228 | Jan 23, 2001 | Jan 23, 2001 | Valence Operating Company | Worthy Gas Unit #3 | 13,200 | 16131987 |
| 504312 | Jan 22, 2001 | Jan 22, 2001 | Ocean Energy, Inc. | Philip Ivy Gas Unit #5 | 12,600 | 16131988 |
| 504269 | Jan 19, 2001 | Jan 19, 2001 | Anadarko Petroleum Corp. | Burleson "A" #1 | 13,700 | 16131655 |
| 504197 | Jan 17, 2001 | Jan 17, 2001 | Anadarko Petroleum Corp. | Stephens "A" #10 | 14,000 | 16131986 |
| 504187 | Jan 17, 2001 | Jan 17, 2001 | El Paso Production Company | Williford, C. N. #4 | 11,350 | 16131985 |
| 504087 | Jan 16, 2001 | Jan 16, 2001 | El Paso Production Company | Cummins A #7 | 13,000 | 16131984 |
| 504062 | Jan 16, 2001 | Jan 16, 2001 | Anadarko Petroleum Corp. | Evans "A" #9 | 14,000 | 16131982 |
| 504061 | Jan 16, 2001 | Jan 16, 2001 | Anadarko Petroleum Corp. | Evans "A" #10 | 14,000 | 16131983 |
| 504060 | Jan 16, 2001 | Jan 16, 2001 | Anadarko Petroleum Corp. | Evans "A" #8 | 14,000 | 16131981 |
| 504059 | Jan 16, 2001 | Jan 16, 2001 | Anadarko Petroleum Corp. | Evans "A" #7 | 14,000 | 16131980 |
| 504058 | Jan 16, 2001 | Jan 16, 2001 | Anadarko Petroleum Corp. | Evans "A" #6 | 14,000 | 16131979 |
| 503965 | Jan 11, 2001 | Jan 11, 2001 | Anadarko Petroleum Corp. | Kelly "A" #4 | 14,000 | 16131977 |
| 503963 | Jan 11, 2001 | Jan 11, 2001 | Anadarko Petroleum Corp. | Ball "E" #1 | 16,000 | 16131978 |
| 503963 | Jan 11, 2001 | Jan 11, 2001 | Anadarko Petroleum Corp. | Ball "E" #1 | 16,500 | 16131978 |
| 503963 | Jan 11, 2001 | Jan 11, 2001 | Anadarko Petroleum Corp. | Ball "E" #1 | 17,500 | 16131978 |
| 503876 | Jan 11, 2001 | Jan 11, 2001 | Pioneer Natural Res. USA, Inc. | Burgher-Neal Unit #3 | 13,900 | 16131976 |
| 503671 | Jan 4, 2001 | Jan 4, 2001 | Anadarko Petroleum Corp. | Parker, Louetta "A" #1 | 18,000 | 16131975 |
| 503671 | Jan 4, 2001 | Jan 4, 2001 | Anadarko Petroleum Corp. | Parker, Louetta "A" #1 | 18,000 | 16131975 |
| 503671 | Jan 4, 2001 | Jan 4, 2001 | Anadarko Petroleum Corp. | Parker, Louetta "A" #1 | 18,000 | 16131975 |
| 503671 | Jan 4, 2001 | Jan 4, 2001 | Anadarko Petroleum Corp. | Parker, Louetta "A" #1 | 18,000 | 16131975 |
| 503670 | Jan 4, 2001 | Jan 4, 2001 | Anadarko Petroleum Corp. | West "B" #3 | 13,500 | 16131974 |
| 503345 | Jan 4, 2001 | Jan 4, 2001 | Ocean Energy, Inc. | Homer Koonce Gas Unit #4 | 13,000 | 16131968 |
| 515479 | Jan 3, 2001 | Jan 3, 2001 | Anadarko Petroleum Corp. | Whittington #5 | 13,700 | 16132244 |
| 503485 | Dec 27, 2000 | Dec 27, 2000 | El Paso Production Company | Davidson, W. A. #6 | 13,200 | 16131972 |
| 503484 | Dec 27, 2000 | Dec 27, 2000 | El Paso Production Company | Hunt Gas Unit No. 3 #3 | 13,200 | 16131970 |
| 503483 | Dec 27, 2000 | Dec 27, 2000 | El Paso Production Company | Wiebolt GU #5 | 13,200 | 16131971 |
| 503373 | Dec 21, 2000 | Dec 21, 2000 | Anadarko Petroleum Corp. | Blair "A" #6 | 13,500 | 16131969 |
| 503356 | Dec 21, 2000 | Dec 21, 2000 | Matador Operating Company | J. Holloway Gas Unit #1 | 12,000 | 16131967 |
| 503313 | Dec 20, 2000 | Dec 20, 2000 | Anadarko Petroleum Corp. | Stephens "A" #9 | 14,000 | 16131966 |
| 503313 | Dec 20, 2000 | Dec 20, 2000 | Anadarko Petroleum Corp. | Stephens "A" #9 | 14,000 | 16131966 |
| 503313 | Dec 20, 2000 | Dec 20, 2000 | Anadarko Petroleum Corp. | Stephens "A" #9 | 14,790 | 16131966 |
| 503312 | Dec 20, 2000 | Dec 20, 2000 | Anadarko Petroleum Corp. | Burgher "A" #6 | 14,000 | 16131965 |
| 503104 | Dec 20, 2000 | Dec 20, 2000 | Cross Timbers Operating Company | McWatters, T. H. #18 | 13,500 | 16131962 |
| 503153 | Dec 18, 2000 | Dec 18, 2000 | Matador Operating Company | Scarbrough Unit #1 | 13,000 | 16131964 |
| 503153 | Dec 18, 2000 | Dec 18, 2000 | Matador Operating Company | Scarbrough Unit #1 | 12,800 | 16131964 |
| 503105 | Dec 18, 2000 | Dec 18, 2000 | Phillips Petroleum Company | McSwane Gas Unit #3 | 13,500 | 16131963 |
| 503112 | Dec 15, 2000 | Dec 15, 2000 | Anadarko Petroleum Corp. | Thigpen "A" #16 | 14,500 | 16131961 |
| 503111 | Dec 15, 2000 | Dec 15, 2000 | Anadarko Petroleum Corp. | Thigpen "A" #11 | 14,500 | 16131959 |
| 503110 | Dec 15, 2000 | Dec 15, 2000 | Anadarko Petroleum Corp. | Thigpen "A" #9 | 14,500 | 16131960 |
| 503072 | Dec 14, 2000 | Dec 14, 2000 | Anadarko Petroleum Corp. | Stephens "A" #11 | 14,000 | 16131958 |
| 503071 | Dec 14, 2000 | Dec 14, 2000 | Anadarko Petroleum Corp. | Kelly "A" #7 | 14,000 | 16131957 |
| 502633 | Dec 12, 2000 | Dec 12, 2000 | Cross Timbers Operating Company | McWatters, T. H. #17 | 13,500 | 16131954 |
| 502829 | Dec 8, 2000 | Dec 8, 2000 | Apache Corporation | Bonner, Tom #1 | 12,000 | 16131579 |
| 502828 | Dec 8, 2000 | Dec 8, 2000 | Apache Corporation | Blair, Clyde #1 | 12,000 | 16131761 |
| 502827 | Dec 8, 2000 | Dec 8, 2000 | Apache Corporation | Keils, W. A. #2 | 11,800 | 16131343 |
| 502812 | Dec 8, 2000 | Dec 8, 2000 | Valence Operating Company | Vera Kathleen #1 | 15,500 | 16131956 |
| 502812 | Dec 8, 2000 | Dec 8, 2000 | Valence Operating Company | Vera Kathleen #1 | 15,500 | 16131956 |
| 502805 | Dec 8, 2000 | Dec 8, 2000 | Matador Operating Company | Barger, Homer #1 | 13,000 | 16130176 |
| 502725 | Dec 6, 2000 | Dec 6, 2000 | El Paso Production Company | Hunt Gas Unit 4 #3 | 13,000 | 16131955 |
| 501675 | Dec 6, 2000 | Dec 6, 2000 | Anadarko Petroleum Corp. | Thigpen "A" #8 | 14,000 | 16131920 |
| 501675 | Dec 6, 2000 | Dec 6, 2000 | Anadarko Petroleum Corp. | Thigpen "A" #8 | 14,000 | 16131920 |
| 502610 | Dec 5, 2000 | Dec 5, 2000 | Ocean Energy, Inc. | F. R. Hill GU 1 #3 | 12,800 | 16131949 |
| 502555 | Dec 4, 2000 | Dec 4, 2000 | Cross Timbers Operating Company | Newsome, C. A. Estate #18 | 13,500 | 16131948 |
| 500716 | Dec 4, 2000 | Dec 4, 2000 | Brown, George R. Partnership,the | J. A. Gilliam GU II #5 | 12,000 | 16131905 |
| 502454 | Dec 1, 2000 | Dec 1, 2000 | Cross Timbers Operating Company | Thompson, C. C. #12 | 13,500 | 16131947 |
| 502453 | Dec 1, 2000 | Dec 1, 2000 | Cross Timbers Operating Company | Thompson, C. C. #13 | 13,500 | 16131946 |
| 502452 | Dec 1, 2000 | Dec 1, 2000 | Cross Timbers Operating Company | Thompson, C. C. #14 | 13,500 | 16131945 |
| 502330 | Dec 1, 2000 | Dec 1, 2000 | Cross Timbers Operating Company | Newsom, C. A. Estate #20 | 13,500 | 16131941 |
| 502330 | Dec 1, 2000 | Dec 1, 2000 | Cross Timbers Operating Company | Newsom, C. A. Estate #20 | 13,500 | 16131941 |
| 502493 | Nov 30, 2000 | Nov 30, 2000 | Valence Operating Company | Worthy Gas Unit #1 | 13,000 | 16130177 |
| 502201 | Nov 30, 2000 | Nov 30, 2000 | Cross Timbers Operating Company | Eppes, Fred R. #1 | 11,500 | 16130576 |
| 502329 | Nov 29, 2000 | Nov 29, 2000 | Cross Timbers Operating Company | Pollard, J. M. #17 | 13,500 | 16131942 |
| 502328 | Nov 29, 2000 | Nov 29, 2000 | Cross Timbers Operating Company | Thompson, C. C. #11 | 13,500 | 16131943 |
| 502276 | Nov 29, 2000 | Nov 29, 2000 | Pioneer Natural Res. USA, Inc. | Herndon #2 | 14,000 | 16131938 |
| 502300 | Nov 27, 2000 | Nov 27, 2000 | Cross Timbers Operating Company | Newsom, C. A. Estate #19 | 13,500 | 16131940 |
| 502300 | Nov 27, 2000 | Nov 27, 2000 | Cross Timbers Operating Company | Newsom, C. A. Estate #19 | 13,500 | 16131940 |
| 502299 | Nov 27, 2000 | Nov 27, 2000 | Cross Timbers Operating Company | Newsom, C. A. Estate #16 | 13,500 | 16131939 |
| 500805 | Nov 27, 2000 | Nov 27, 2000 | Cross Timbers Operating Company | Pollard, J. M. #6 | 13,050 | 16131250 |
| 502292 | Nov 22, 2000 | Nov 22, 2000 | Anadarko Petroleum Corp. | Smith "A" #1 | 14,000 | 16131937 |
| 502224 | Nov 22, 2000 | Nov 22, 2000 | Cross Timbers Operating Company | Newsom, C. A. Estate #15 | 13,500 | 16131936 |
| 502200 | Nov 22, 2000 | Nov 22, 2000 | Cross Timbers Operating Company | Newsom, C. A. Estate #17 | 13,500 | 16131935 |
| 502200 | Nov 22, 2000 | Nov 22, 2000 | Cross Timbers Operating Company | Newsom, C. A. Estate #17 | 13,500 | 16131935 |
| 501027 | Nov 22, 2000 | Nov 22, 2000 | Anadarko Petroleum Corp. | Thigpen "A" #5 | 13,500 | 16131909 |
| 502094 | Nov 20, 2000 | Nov 20, 2000 | Marathon Oil Company | Utley "C" #8 | 13,300 | 16131934 |
| 502094 | Nov 20, 2000 | Nov 20, 2000 | Marathon Oil Company | Utley "C" #8 | 13,300 | 16131934 |
| 502063 | Nov 16, 2000 | Nov 16, 2000 | Anadarko Petroleum Corp. | Blair "A" #7 | 13,500 | 16131933 |
| 502062 | Nov 16, 2000 | Nov 16, 2000 | Anadarko Petroleum Corp. | Blair "A" #8 | 13,500 | 16131932 |
| 501989 | Nov 15, 2000 | Nov 15, 2000 | El Paso Production Company | Cummins A #5 | 13,000 | 16131931 |
| 501927 | Nov 14, 2000 | Nov 14, 2000 | Anadarko Petroleum Corp. | Burgher "D" #12 | 13,500 | 16131927 |
| 501926 | Nov 14, 2000 | Nov 14, 2000 | Anadarko Petroleum Corp. | Kelly "A" #5 | 13,500 | 16131928 |
| 501925 | Nov 14, 2000 | Nov 14, 2000 | Anadarko Petroleum Corp. | Thigpen "A" #18 | 14,000 | 16131930 |
| 501924 | Nov 14, 2000 | Nov 14, 2000 | Anadarko Petroleum Corp. | Thigpen "A" #19 | 14,000 | 16131929 |
| 501917 | Nov 13, 2000 | Nov 13, 2000 | Anadarko Petroleum Corp. | Burgher "C" #12 | 13,500 | 16131926 |
| 501917 | Nov 13, 2000 | Nov 13, 2000 | Anadarko Petroleum Corp. | Burgher "C" #12 | 13,500 | 16131926 |
| 501917 | Nov 13, 2000 | Nov 13, 2000 | Anadarko Petroleum Corp. | Burgher "C" #12 | 13,700 | 16131926 |
| 501916 | Nov 13, 2000 | Nov 13, 2000 | Anadarko Petroleum Corp. | Burgher "C" #15 | 14,000 | 16131925 |
| 501915 | Nov 13, 2000 | Nov 13, 2000 | Anadarko Petroleum Corp. | Burgher "C" #11 | 13,500 | 16131924 |
| 501915 | Nov 13, 2000 | Nov 13, 2000 | Anadarko Petroleum Corp. | Burgher "C" #11 | 13,500 | 16131924 |
| 501914 | Nov 13, 2000 | Nov 13, 2000 | Anadarko Petroleum Corp. | Burgher "D" #11 | 13,500 | 16131923 |
| 501802 | Nov 9, 2000 | Nov 9, 2000 | Valence Operating Company | Stewards Mill Gas Unit 5 #1 | 11,000 | 16130459 |
| 501802 | Nov 9, 2000 | Nov 9, 2000 | Valence Operating Company | Stewards Mill Gas Unit 5 #1 | 11,950 | 16130459 |
| 501776 | Nov 8, 2000 | Nov 8, 2000 | Calumet Oil Company | Williams #1 | 3,700 | 16131922 |
| 501757 | Nov 8, 2000 | Nov 8, 2000 | Anadarko Petroleum Corp. | Steward-Watson-Reed "A" #1 | 18,500 | 16131921 |
| 501506 | Nov 7, 2000 | Nov 7, 2000 | Key Production Company, Inc. | Derum, Rosa Driver Heirs #1 | 8,800 | 16131397 |
| 501352 | Nov 6, 2000 | Nov 6, 2000 | Anadarko Petroleum Corp. | Hill "C" #1 | 14,000 | 16131654 |
| 501341 | Nov 6, 2000 | Nov 6, 2000 | Anadarko Petroleum Corp. | Hill "B" #1 | 14,500 | 16131627 |