| 503797 | Feb 21, 2001 | Feb 21, 2001 | Dreyfus, Louis Natural Gas Corp | Cusenbary 36 #2 | 5,400 | 43535344 |
| 505476 | Feb 16, 2001 | Feb 16, 2001 | Dreyfus, Louis Natural Gas Corp | Mayer #37 | 8,400 | 43535383 |
| 505475 | Feb 16, 2001 | Feb 16, 2001 | Dreyfus, Louis Natural Gas Corp | Mayer #41 | 8,500 | 43535382 |
| 505474 | Feb 16, 2001 | Feb 16, 2001 | Dreyfus, Louis Natural Gas Corp | Mayer #42 | 8,400 | 43535381 |
| 505473 | Feb 16, 2001 | Feb 16, 2001 | Dreyfus, Louis Natural Gas Corp | Mayer #43 | 8,400 | 43535380 |
| 505388 | Feb 15, 2001 | Feb 15, 2001 | Burlington Resources O & G Co LP | Shurley #64 | 6,320 | 43535379 |
| 505387 | Feb 15, 2001 | Feb 15, 2001 | Burlington Resources O & G Co LP | Shurley #59 | 6,280 | 43535376 |
| 505386 | Feb 15, 2001 | Feb 15, 2001 | Burlington Resources O & G Co LP | Shurley #65 | 6,205 | 43535377 |
| 505385 | Feb 15, 2001 | Feb 15, 2001 | Burlington Resources O & G Co LP | Shurley #68 | 6,205 | 43535378 |
| 505325 | Feb 14, 2001 | Feb 14, 2001 | KCS Medallion Resources, Inc. | Miers A #1409 | 5,700 | 43535375 |
| 505230 | Feb 12, 2001 | Feb 12, 2001 | Dreyfus, Louis Natural Gas Corp | Mayer #39 | 8,550 | 43535373 |
| 505229 | Feb 12, 2001 | Feb 12, 2001 | Dreyfus, Louis Natural Gas Corp | Mayer #44 | 8,700 | 43535374 |
| 505227 | Feb 12, 2001 | Feb 12, 2001 | Dreyfus, Louis Natural Gas Corp | Glasscock, L. B. 32 #3 | 8,350 | 43535372 |
| 505226 | Feb 12, 2001 | Feb 12, 2001 | Dreyfus, Louis Natural Gas Corp | Glasscock, H. E. 29 #3 | 8,550 | 43535371 |
| 505096 | Feb 8, 2001 | Feb 8, 2001 | Dreyfus, Louis Natural Gas Corp | Sawyer "112" #17 | 6,750 | 43535370 |
| 505095 | Feb 8, 2001 | Feb 8, 2001 | Dreyfus, Louis Natural Gas Corp | Mayer #38 | 8,450 | 43535368 |
| 505094 | Feb 8, 2001 | Feb 8, 2001 | Dreyfus, Louis Natural Gas Corp | Mayer #40 | 8,550 | 43535369 |
| 504965 | Feb 5, 2001 | Feb 5, 2001 | Dreyfus, Louis Natural Gas Corp | Glasscock, H. E. 28 #2 | 8,700 | 43535367 |
| 504894 | Feb 2, 2001 | Feb 2, 2001 | Dreyfus, Louis Natural Gas Corp | Hudspeth "I" #4 | 8,600 | 43535366 |
| 504838 | Feb 1, 2001 | Feb 1, 2001 | Dreyfus, Louis Natural Gas Corp | Shurley 94 #10 | 6,150 | 43535363 |
| 504837 | Feb 1, 2001 | Feb 1, 2001 | Dreyfus, Louis Natural Gas Corp | Shurley 96 #11 | 6,350 | 43535365 |
| 504836 | Feb 1, 2001 | Feb 1, 2001 | Dreyfus, Louis Natural Gas Corp | Mayer 10 #4 | 8,575 | 43535360 |
| 504834 | Feb 1, 2001 | Feb 1, 2001 | Dreyfus, Louis Natural Gas Corp | Shurley 95 #9 | 6,250 | 43535364 |
| 504832 | Feb 1, 2001 | Feb 1, 2001 | Dreyfus, Louis Natural Gas Corp | David 109 #18 | 5,550 | 43535359 |
| 504831 | Feb 1, 2001 | Feb 1, 2001 | Dreyfus, Louis Natural Gas Corp | McMillian, Leo H. "11" #17 | 5,550 | 43535361 |
| 504830 | Feb 1, 2001 | Feb 1, 2001 | Dreyfus, Louis Natural Gas Corp | David 109 #17 | 5,550 | 43535358 |
| 504829 | Feb 1, 2001 | Feb 1, 2001 | Dreyfus, Louis Natural Gas Corp | McMillian, W. B. 14 #18 | 5,500 | 43535362 |
| 504779 | Jan 31, 2001 | Jan 31, 2001 | Dreyfus, Louis Natural Gas Corp | Hudspeth "54" #4 | 8,475 | 43535357 |
| 504697 | Jan 30, 2001 | Jan 30, 2001 | Dreyfus, Louis Natural Gas Corp | Jones "120" #17 | 6,400 | 43535356 |
| 504695 | Jan 30, 2001 | Jan 30, 2001 | Dreyfus, Louis Natural Gas Corp | Sawyer "128" #16 | 7,150 | 43535355 |
| 503591 | Jan 29, 2001 | Jan 29, 2001 | Dreyfus, Louis Natural Gas Corp | Cusenbary 71 #2 | 5,600 | 43535340 |
| 504476 | Jan 24, 2001 | Jan 24, 2001 | Dreyfus, Louis Natural Gas Corp | Hudspeth "53" #2 | 8,475 | 43535354 |
| 504369 | Jan 22, 2001 | Jan 22, 2001 | Dreyfus, Louis Natural Gas Corp | Nicks, Gerald #4 | 8,500 | 43535353 |
| 504368 | Jan 22, 2001 | Jan 22, 2001 | Dreyfus, Louis Natural Gas Corp | Glasscock, L. B. 32 #2 | 8,500 | 43535352 |
| 504368Amendment | Jan 22, 2001 | Jan 22, 2001 | Dreyfus, Louis Natural Gas Corp | Glasscock, L. B. 32 #2 | 8,750 | 43535352 |
| 504256 | Jan 18, 2001 | Jan 18, 2001 | Dreyfus, Louis Natural Gas Corp | Hudspeth "H" #3 | 8,650 | 43535350 |
| 504256Amendment | Jan 18, 2001 | Jan 18, 2001 | Dominion Oklahoma Texas E&P, Inc | Hudspeth "H" #3 | 8,650 | 43535350 |
| 504256Amendment | Jan 18, 2001 | Jan 18, 2001 | Dominion Oklahoma Texas E&P, Inc | Hudspeth "H" #3 | 8,650 | 43535350 |
| 504255 | Jan 18, 2001 | Jan 18, 2001 | Dreyfus, Louis Natural Gas Corp | Hudspeth "I" #2 | 8,600 | 43535349 |
| 504254 | Jan 18, 2001 | Jan 18, 2001 | Dreyfus, Louis Natural Gas Corp | Glasscock, H. E. 29 #4 | 8,500 | 43535351 |
| 504068 | Jan 16, 2001 | Jan 16, 2001 | Dreyfus, Louis Natural Gas Corp | Cusenbary 71 #13 | 5,600 | 43535348 |
| 504068Amendment | Jan 16, 2001 | Jan 16, 2001 | Dreyfus, Louis Natural Gas Corp | Cusenbary 71 #13 | 5,600 | 43535348 |
| 504067 | Jan 16, 2001 | Jan 16, 2001 | Dreyfus, Louis Natural Gas Corp | Cusenbary 71 #4 | 5,600 | 43535347 |
| 503970 | Jan 11, 2001 | Jan 11, 2001 | KCS Medallion Resources, Inc. | Genini #3805 | 6,700 | 43535346 |
| 503969 | Jan 11, 2001 | Jan 11, 2001 | KCS Medallion Resources, Inc. | Genini #3706 | 6,700 | 43535345 |
| 503742 | Jan 5, 2001 | Jan 5, 2001 | EOG Resources, Inc. | Granger Bluff "A" #4203 | 9,300 | 43535343 |
| 502531 | Jan 5, 2001 | Jan 5, 2001 | Dreyfus, Louis Natural Gas Corp | Wilson, Duke #1733 | 8,600 | 43535304 |
| 503635 | Jan 3, 2001 | Jan 3, 2001 | Dreyfus, Louis Natural Gas Corp | Cusenbary 71 #6 | 5,600 | 43535342 |
| 503634 | Jan 3, 2001 | Jan 3, 2001 | Dreyfus, Louis Natural Gas Corp | Mayer 1028 #A302 | 8,350 | 43535341 |
| 503634Amendment | Jan 3, 2001 | Jan 3, 2001 | Dreyfus, Louis Natural Gas Corp | Mayer 1028 #A302 | 8,350 | 43535341 |
| 516542 | Jan 2, 2001 | Jan 2, 2001 | Dominion Oklahoma Texas E&P, Inc | Mayfield 45 #13 | 8,400 | 43535727 |
| 503481 | Dec 27, 2000 | Dec 27, 2000 | Dreyfus, Louis Natural Gas Corp | Mayer 18 #7 | 8,500 | 43535339 |
| 503480 | Dec 27, 2000 | Dec 27, 2000 | Dreyfus, Louis Natural Gas Corp | Cusenbary 36 #7 | 5,400 | 43535338 |
| 503480Amendment | Dec 27, 2000 | Dec 27, 2000 | Dreyfus, Louis Natural Gas Corp | Cusenbary 36 #7 | 5,400 | 43535338 |
| 502237 | Dec 27, 2000 | Dec 27, 2000 | KCS Medallion Resources, Inc. | Jones 121 #17 | 6,750 | 43535301 |
| 503301 | Dec 20, 2000 | Dec 20, 2000 | Dreyfus, Louis Natural Gas Corp | Cusenbary 36 #10 | 5,400 | 43535336 |
| 503300 | Dec 20, 2000 | Dec 20, 2000 | Dreyfus, Louis Natural Gas Corp | Cusenbary 71 #5 | 5,600 | 43535335 |
| 503299 | Dec 20, 2000 | Dec 20, 2000 | Dreyfus, Louis Natural Gas Corp | Cusenbary 36 #8 | 5,400 | 43535337 |
| 503299Amendment | Dec 20, 2000 | Dec 20, 2000 | Dreyfus, Louis Natural Gas Corp | Cusenbary 36 #8 | 5,550 | 43535337 |
| 503299Amendment | Dec 20, 2000 | Dec 20, 2000 | Dreyfus, Louis Natural Gas Corp | Cusenbary 36 #8 | 5,550 | 43535337 |
| 503250 | Dec 19, 2000 | Dec 19, 2000 | Dreyfus, Louis Natural Gas Corp | Ward 114 #17 | 7,000 | 43535334 |
| 503249 | Dec 19, 2000 | Dec 19, 2000 | Dreyfus, Louis Natural Gas Corp | Ward 127 #16 | 7,050 | 43535333 |
| 501944 | Dec 19, 2000 | Dec 19, 2000 | KCS Medallion Resources, Inc. | Jones 119 #16 | 6,450 | 43535298 |
| 501944Amendment | Dec 19, 2000 | Dec 19, 2000 | KCS Medallion Resources, Inc. | Jones 119 #16 | 6,450 | 43535298 |
| 501944Amendment | Dec 19, 2000 | Dec 19, 2000 | KCS Medallion Resources, Inc. | Jones 119 #16 | 6,650 | 43535298 |
| 503208 | Dec 18, 2000 | Dec 18, 2000 | Dreyfus, Louis Natural Gas Corp | Shurley 110 #12 | 6,900 | 43535332 |
| 503206 | Dec 18, 2000 | Dec 18, 2000 | Dreyfus, Louis Natural Gas Corp | Cusenbary 71 #9 | 5,600 | 43535330 |
| 503205 | Dec 18, 2000 | Dec 18, 2000 | Dreyfus, Louis Natural Gas Corp | Cusenbary 36 #3 | 5,400 | 43535331 |
| 503204 | Dec 18, 2000 | Dec 18, 2000 | Dreyfus, Louis Natural Gas Corp | Wilson, Duke #1887 | 8,150 | 43535328 |
| 503203 | Dec 18, 2000 | Dec 18, 2000 | Dreyfus, Louis Natural Gas Corp | Wilson, Duke #1734 | 8,700 | 43535329 |
| 503202 | Dec 18, 2000 | Dec 18, 2000 | Dreyfus, Louis Natural Gas Corp | Shurley 98 #13 | 6,400 | 43535325 |
| 503201 | Dec 18, 2000 | Dec 18, 2000 | Dreyfus, Louis Natural Gas Corp | Shurley 95 #11 | 6,400 | 43535326 |
| 503200 | Dec 18, 2000 | Dec 18, 2000 | Dreyfus, Louis Natural Gas Corp | Shurley 96 #14 | 6,300 | 43535327 |
| 503024 | Dec 14, 2000 | Dec 14, 2000 | Burlington Resources Oil&gas Co. | Steen #53 | 5,720 | 43535324 |
| 503023 | Dec 14, 2000 | Dec 14, 2000 | Burlington Resources Oil&gas Co. | Steen #52 | 5,750 | 43535322 |
| 503020 | Dec 14, 2000 | Dec 14, 2000 | Burlington Resources Oil&gas Co. | Steen #51 | 5,980 | 43535323 |
| 503018 | Dec 14, 2000 | Dec 14, 2000 | Burlington Resources Oil&gas Co. | Deberry "A" #60 | 6,770 | 43535321 |
| 503016 | Dec 14, 2000 | Dec 14, 2000 | Dreyfus, Louis Natural Gas Corp | Cusenbary 71 #3 | 5,600 | 43535319 |
| 503014 | Dec 14, 2000 | Dec 14, 2000 | Burlington Resources Oil&gas Co. | Steen #54 | 5,720 | 43535320 |
| 502975 | Dec 12, 2000 | Dec 12, 2000 | Burlington Resources Oil&gas Co. | Deberry-Halbert Unit #13 | 6,780 | 43535318 |
| 502779 | Dec 7, 2000 | Dec 7, 2000 | Burlington Resources Oil&gas Co. | Deberry-Boyett Unit #8 | 6,400 | 43535314 |
| 502778 | Dec 7, 2000 | Dec 7, 2000 | Burlington Resources Oil&gas Co. | Deberry-Boyett Unit #9 | 6,400 | 43535315 |
| 502777 | Dec 7, 2000 | Dec 7, 2000 | Burlington Resources Oil&gas Co. | Deberry-Boyett Unit #10 | 6,400 | 43535316 |
| 502777Amendment | Dec 7, 2000 | Dec 7, 2000 | Burlington Resources O & G Co LP | Deberry-Boyett #10 | 6,400 | 43535316 |
| 502776 | Dec 7, 2000 | Dec 7, 2000 | Dreyfus, Louis Natural Gas Corp | Cusenbary 36 #5 | 5,400 | 43535317 |
| 502053 | Dec 5, 2000 | Dec 5, 2000 | KCS Medallion Resources, Inc. | Miers A #1520 | 5,800 | 43535299 |
| 502568 | Dec 4, 2000 | Dec 4, 2000 | Athanor Texas Inc. | Wallace, D. 74 #1 | 5,100 | 43535313 |
| 502530 | Dec 1, 2000 | Dec 1, 2000 | Dreyfus, Louis Natural Gas Corp | Mayer #23 | 8,350 | 43535307 |
| 502529 | Dec 1, 2000 | Dec 1, 2000 | Dreyfus, Louis Natural Gas Corp | Mayer #29 | 8,650 | 43535306 |
| 502528 | Dec 1, 2000 | Dec 1, 2000 | Dreyfus, Louis Natural Gas Corp | Mayer #24 | 8,400 | 43535305 |
| 502523 | Dec 1, 2000 | Dec 1, 2000 | Burlington Resources Oil&gas Co. | Meckel #51 | 6,900 | 43535310 |
| 502521 | Dec 1, 2000 | Dec 1, 2000 | Burlington Resources Oil&gas Co. | Meckel #49 | 6,900 | 43535308 |
| 502520 | Dec 1, 2000 | Dec 1, 2000 | Burlington Resources Oil&gas Co. | Meckel #53 | 6,900 | 43535312 |
| 502519 | Dec 1, 2000 | Dec 1, 2000 | Burlington Resources Oil&gas Co. | Meckel #52 | 6,900 | 43535311 |
| 502518 | Dec 1, 2000 | Dec 1, 2000 | Burlington Resources Oil&gas Co. | Meckel #50 | 6,900 | 43535309 |
| 502259 | Nov 21, 2000 | Nov 21, 2000 | KCS Medallion Resources, Inc. | Genini #3804 | 6,300 | 43535302 |
| 502258 | Nov 21, 2000 | Nov 21, 2000 | KCS Medallion Resources, Inc. | Sawyer 129 #13 | 7,150 | 43535303 |
| 502061 | Nov 16, 2000 | Nov 16, 2000 | Athanor Texas Inc. | Wallace, K. 93 #1 | 5,000 | 43535300 |
| 501940 | Nov 14, 2000 | Nov 14, 2000 | Dreyfus, Louis Natural Gas Corp | Shurley 94 #8 | 6,350 | 43535296 |
| 501939 | Nov 14, 2000 | Nov 14, 2000 | Dreyfus, Louis Natural Gas Corp | Shurley 94 #9 | 6,150 | 43535297 |