| 508409 | May 1, 2001 | May 1, 2001 | Burlington Resources O & G Co LP | Steen #58 | 6,005 | 43535475 |
| 508408 | May 1, 2001 | May 1, 2001 | Burlington Resources O & G Co LP | Steen #59 | 5,815 | 43535476 |
| 508407 | May 1, 2001 | May 1, 2001 | Burlington Resources O & G Co LP | Steen #55 | 5,725 | 43535477 |
| 508422 | Apr 30, 2001 | Apr 30, 2001 | Dreyfus, Louis Natural Gas Corp | Simmons Ranch #19X | 8,450 | 43535478 |
| 508312 | Apr 27, 2001 | Apr 27, 2001 | Dreyfus, Louis Natural Gas Corp | Kirby "183" #4 | 7,700 | 43535472 |
| 508303 | Apr 27, 2001 | Apr 27, 2001 | Dreyfus, Louis Natural Gas Corp | Kirby "1" #3 | 7,900 | 43535471 |
| 508269 | Apr 26, 2001 | Apr 26, 2001 | Dreyfus, Louis Natural Gas Corp | Shurley 96 #9 | 6,300 | 43535467 |
| 508268 | Apr 26, 2001 | Apr 26, 2001 | Dreyfus, Louis Natural Gas Corp | Vanderstucken 72 #6 | 6,006 | 43532990 |
| 508267 | Apr 26, 2001 | Apr 26, 2001 | Dreyfus, Louis Natural Gas Corp | Shurley 95 #8 | 6,450 | 43535470 |
| 508265 | Apr 26, 2001 | Apr 26, 2001 | Dreyfus, Louis Natural Gas Corp | Kirby "184" #5 | 7,800 | 43535469 |
| 508264 | Apr 26, 2001 | Apr 26, 2001 | Dreyfus, Louis Natural Gas Corp | Shurley 98 #8 | 6,450 | 43535468 |
| 508088 | Apr 23, 2001 | Apr 23, 2001 | Dreyfus, Louis Natural Gas Corp | Meckel "A" #18 | 7,300 | 43535466 |
| 508087 | Apr 23, 2001 | Apr 23, 2001 | Dreyfus, Louis Natural Gas Corp | Meckel "A" #20 | 7,050 | 43535465 |
| 508086 | Apr 23, 2001 | Apr 23, 2001 | Dreyfus, Louis Natural Gas Corp | Meckel "A" #19 | 6,600 | 43535464 |
| 508037 | Apr 20, 2001 | Apr 20, 2001 | Dreyfus, Louis Natural Gas Corp | Simmons 72 1/2 #2 | 8,100 | 43535463 |
| 507967 | Apr 19, 2001 | Apr 19, 2001 | Dreyfus, Louis Natural Gas Corp | Allison 54 #5 | 6,100 | 43535462 |
| 507841 | Apr 16, 2001 | Apr 16, 2001 | Dreyfus, Louis Natural Gas Corp | Vanderstucken "72" #13 | 6,150 | 43535461 |
| 507840 | Apr 16, 2001 | Apr 16, 2001 | Dreyfus, Louis Natural Gas Corp | Hudspeth "54" #4 | 8,475 | 43535357 |
| 507522 | Apr 6, 2001 | Apr 6, 2001 | Dreyfus, Louis Natural Gas Corp | Fields 59 #4 | 6,100 | 43535452 |
| 507521 | Apr 6, 2001 | Apr 6, 2001 | Dreyfus, Louis Natural Gas Corp | Simmons Ranch #17 | 8,450 | 43535456 |
| 507520 | Apr 6, 2001 | Apr 6, 2001 | Dreyfus, Louis Natural Gas Corp | Fields 23 #8 | 5,700 | 43535451 |
| 507519 | Apr 6, 2001 | Apr 6, 2001 | Dreyfus, Louis Natural Gas Corp | Simmons Ranch #20 | 8,350 | 43535458 |
| 507518 | Apr 6, 2001 | Apr 6, 2001 | Dreyfus, Louis Natural Gas Corp | Simmons Ranch #19 | 8,450 | 43535457 |
| 507516 | Apr 6, 2001 | Apr 6, 2001 | Dreyfus, Louis Natural Gas Corp | Simmons Ranch #16 | 8,400 | 43535455 |
| 507515 | Apr 6, 2001 | Apr 6, 2001 | Dreyfus, Louis Natural Gas Corp | Simmons Ranch #15 | 8,300 | 43535454 |
| 507514 | Apr 6, 2001 | Apr 6, 2001 | Dreyfus, Louis Natural Gas Corp | Shurley 94 #13 | 6,350 | 43535453 |
| 507513 | Apr 6, 2001 | Apr 6, 2001 | Dreyfus, Louis Natural Gas Corp | Vanderstucken 48 #8 | 5,600 | 43535459 |
| 507512 | Apr 6, 2001 | Apr 6, 2001 | Dreyfus, Louis Natural Gas Corp | Vanderstucken 50 #11 | 5,950 | 43535460 |
| 507369 | Apr 3, 2001 | Apr 3, 2001 | Dreyfus, Louis Natural Gas Corp | Sawyer 128 #15 | 7,200 | 43535450 |
| 507368 | Apr 3, 2001 | Apr 3, 2001 | Dreyfus, Louis Natural Gas Corp | Simmons 72 #5 | 7,900 | 43535449 |
| 507361 | Apr 3, 2001 | Apr 3, 2001 | Burlington Resources O & G Co LP | Canyon Ranch #1046S | 5,450 | 43535443 |
| 507360 | Apr 3, 2001 | Apr 3, 2001 | Burlington Resources O & G Co LP | Canyon Ranch #1156S | 5,450 | 43535444 |
| 507359 | Apr 3, 2001 | Apr 3, 2001 | Burlington Resources O & G Co LP | Canyon Ranch #1157S | 5,450 | 43535445 |
| 507358 | Apr 3, 2001 | Apr 3, 2001 | Burlington Resources O & G Co LP | Canyon Ranch #1262S | 5,450 | 43535446 |
| 507357 | Apr 3, 2001 | Apr 3, 2001 | Burlington Resources O & G Co LP | Canyon Ranch #0938S | 5,450 | 43535447 |
| 507356 | Apr 3, 2001 | Apr 3, 2001 | Burlington Resources O & G Co LP | Canyon Ranch #1263S | 5,450 | 43535448 |
| 507185 | Mar 29, 2001 | Mar 29, 2001 | Dreyfus, Louis Natural Gas Corp | Shannon 52 #8 | 8,050 | 43535438 |
| 507182 | Mar 29, 2001 | Mar 29, 2001 | Dreyfus, Louis Natural Gas Corp | Simmons Ranch #13 | 8,350 | 43535440 |
| 507180 | Mar 29, 2001 | Mar 29, 2001 | Dreyfus, Louis Natural Gas Corp | Shannon 52 #10 | 8,000 | 43535439 |
| 507179 | Mar 29, 2001 | Mar 29, 2001 | Dreyfus, Louis Natural Gas Corp | Simmons Ranch #14 | 8,300 | 43535441 |
| 507178 | Mar 29, 2001 | Mar 29, 2001 | Dreyfus, Louis Natural Gas Corp | Shannon 51 #10 | 8,000 | 43535442 |
| 507175 | Mar 29, 2001 | Mar 29, 2001 | Dreyfus, Louis Natural Gas Corp | Mayer, Edwin S. Jr. #303 | 8,050 | 43534897 |
| 507101 | Mar 27, 2001 | Mar 27, 2001 | Dreyfus, Louis Natural Gas Corp | Davis "C" #11 | 7,000 | 43535435 |
| 507100 | Mar 27, 2001 | Mar 27, 2001 | Dreyfus, Louis Natural Gas Corp | Davis "C" #13 | 7,000 | 43535436 |
| 507099 | Mar 27, 2001 | Mar 27, 2001 | Dreyfus, Louis Natural Gas Corp | Davis 'C' #10 | 6,900 | 43535434 |
| 507098 | Mar 27, 2001 | Mar 27, 2001 | Dreyfus, Louis Natural Gas Corp | Davis "C" #16 | 7,050 | 43535437 |
| 507026 | Mar 26, 2001 | Mar 26, 2001 | Dreyfus, Louis Natural Gas Corp | Meckel "A" #13 | 7,200 | 43535428 |
| 507025 | Mar 26, 2001 | Mar 26, 2001 | Dreyfus, Louis Natural Gas Corp | Ward 127 #15 | 7,100 | 43535433 |
| 507024 | Mar 26, 2001 | Mar 26, 2001 | Dreyfus, Louis Natural Gas Corp | Ward 114 #1R | 6,900 | 43535432 |
| 507023 | Mar 26, 2001 | Mar 26, 2001 | Dreyfus, Louis Natural Gas Corp | Thomson "C" #5 | 6,750 | 43535431 |
| 507023Amendment | Mar 26, 2001 | Mar 26, 2001 | Dreyfus, Louis Natural Gas Corp | Thomson "C" #5 | 6,750 | 43535431 |
| 507022 | Mar 26, 2001 | Mar 26, 2001 | Dreyfus, Louis Natural Gas Corp | Thomson "A" #3 | 6,600 | 43535430 |
| 507018 | Mar 26, 2001 | Mar 26, 2001 | Dreyfus, Louis Natural Gas Corp | Meckel "A" #15 | 7,050 | 43535429 |
| 507016 | Mar 26, 2001 | Mar 26, 2001 | Dreyfus, Louis Natural Gas Corp | Meckel "A" #14 | 7,200 | 43535427 |
| 506878 | Mar 22, 2001 | Mar 22, 2001 | Dreyfus, Louis Natural Gas Corp | Shurley 111 #16 | 6,800 | 43535423 |
| 506877 | Mar 22, 2001 | Mar 22, 2001 | Dreyfus, Louis Natural Gas Corp | Shurley 98 #9 | 6,350 | 43535425 |
| 506876 | Mar 22, 2001 | Mar 22, 2001 | Dreyfus, Louis Natural Gas Corp | Hicks 22 #7 | 8,600 | 43535420 |
| 506875 | Mar 22, 2001 | Mar 22, 2001 | Dreyfus, Louis Natural Gas Corp | Mayer 3C #2 | 8,875 | 43535422 |
| 506874 | Mar 22, 2001 | Mar 22, 2001 | Dreyfus, Louis Natural Gas Corp | Shurley 95 #12 | 6,300 | 43535424 |
| 506873 | Mar 22, 2001 | Mar 22, 2001 | Dreyfus, Louis Natural Gas Corp | Fields 52 #10 | 6,150 | 43535418 |
| 506872 | Mar 22, 2001 | Mar 22, 2001 | Dreyfus, Louis Natural Gas Corp | Fields 53 #4 | 6,200 | 43535419 |
| 506871 | Mar 22, 2001 | Mar 22, 2001 | Dreyfus, Louis Natural Gas Corp | Mayer #503 | 8,600 | 43535421 |
| 506870 | Mar 22, 2001 | Mar 22, 2001 | Dreyfus, Louis Natural Gas Corp | Vanderstucken, J. M. #5 | 8,800 | 43535426 |
| 506870Amendment | Mar 22, 2001 | Mar 22, 2001 | Dreyfus, Louis Natural Gas Corp | Vanderstucken, J. M. #5 | 8,800 | 43535426 |
| 506787 | Mar 21, 2001 | Mar 21, 2001 | Burlington Resources O & G Co LP | Canyon Ranch #1155S | 5,450 | 43535417 |
| 506688 | Mar 19, 2001 | Mar 19, 2001 | Dreyfus, Louis Natural Gas Corp | Shurley 111 #19 | 6,750 | 43535415 |
| 506687 | Mar 19, 2001 | Mar 19, 2001 | Dreyfus, Louis Natural Gas Corp | Shurley 99 #18 | 6,550 | 43535416 |
| 506686 | Mar 19, 2001 | Mar 19, 2001 | Dreyfus, Louis Natural Gas Corp | Hill-Fawcett, Randee Trust "F" #3 | 8,650 | 43535414 |
| 506608 | Mar 16, 2001 | Mar 16, 2001 | Dreyfus, Louis Natural Gas Corp | Shurley 94 #11 | 6,150 | 43535413 |
| 506532 | Mar 15, 2001 | Mar 15, 2001 | Dreyfus, Louis Natural Gas Corp | Vanderstucken, J. M. #4 | 8,750 | 43535412 |
| 506532Amendment | Mar 15, 2001 | Mar 15, 2001 | Dreyfus, Louis Natural Gas Corp | Vanderstucken, J. M. #4 | 8,750 | 43535412 |
| 506501 | Mar 14, 2001 | Mar 14, 2001 | Dreyfus, Louis Natural Gas Corp | Hicks 22 #4 | 8,700 | 43535410 |
| 506500 | Mar 14, 2001 | Mar 14, 2001 | Dreyfus, Louis Natural Gas Corp | Hicks 22 #6 | 8,650 | 43535411 |
| 506499 | Mar 14, 2001 | Mar 14, 2001 | Dreyfus, Louis Natural Gas Corp | Hicks 23 #3 | 8,650 | 43535409 |
| 506391 | Mar 12, 2001 | Mar 12, 2001 | Burlington Resources O & G Co LP | Canyon Ranch #0829S | 5,450 | 43535408 |
| 506390 | Mar 12, 2001 | Mar 12, 2001 | Burlington Resources O & G Co LP | Canyon Ranch #0937S | 5,450 | 43535407 |
| 506389 | Mar 12, 2001 | Mar 12, 2001 | Burlington Resources O & G Co LP | Canyon Ranch #1045S | 5,450 | 43535406 |
| 506300 | Mar 9, 2001 | Mar 9, 2001 | Dreyfus, Louis Natural Gas Corp | Martin #9 | 6,800 | 43535405 |
| 506299 | Mar 9, 2001 | Mar 9, 2001 | Dreyfus, Louis Natural Gas Corp | Martin #10 | 6,850 | 43535404 |
| 506246 | Mar 8, 2001 | Mar 8, 2001 | Probe Oil Company | Behling #6 | 6,800 | 43535403 |
| 506237 | Mar 8, 2001 | Mar 8, 2001 | Dreyfus, Louis Natural Gas Corp | Hicks 22 #5 | 8,800 | 43535402 |
| 506236 | Mar 8, 2001 | Mar 8, 2001 | Dreyfus, Louis Natural Gas Corp | Mayer 3C #1 | 8,725 | 43535401 |
| 506144 | Mar 6, 2001 | Mar 6, 2001 | Dreyfus, Louis Natural Gas Corp | Sawyer "128" #13 | 7,100 | 43535399 |
| 506143 | Mar 6, 2001 | Mar 6, 2001 | Dreyfus, Louis Natural Gas Corp | Shurley 98 #18 | 6,600 | 43535400 |
| 505977 | Mar 1, 2001 | Mar 1, 2001 | Dreyfus, Louis Natural Gas Corp | Pfluger 84 #18 | 5,550 | 43535395 |
| 505976 | Mar 1, 2001 | Mar 1, 2001 | Dreyfus, Louis Natural Gas Corp | Pfluger 84 #19 | 5,550 | 43535394 |
| 505976Amendment | Mar 1, 2001 | Mar 1, 2001 | Dreyfus, Louis Natural Gas Corp | Pfluger 84 #19 | 5,700 | 43535394 |
| 505975 | Mar 1, 2001 | Mar 1, 2001 | Dreyfus, Louis Natural Gas Corp | Shurley 110 #10 | 7,050 | 43535398 |
| 505974 | Mar 1, 2001 | Mar 1, 2001 | Dreyfus, Louis Natural Gas Corp | Shurley 99 #17 | 6,600 | 43535397 |
| 505972 | Mar 1, 2001 | Mar 1, 2001 | Dreyfus, Louis Natural Gas Corp | Pfluger 85 #20 | 5,450 | 43535396 |
| 505816 | Feb 26, 2001 | Feb 26, 2001 | Dreyfus, Louis Natural Gas Corp | Pfluger 105 #18 | 5,550 | 43535393 |
| 505815 | Feb 26, 2001 | Feb 26, 2001 | Dreyfus, Louis Natural Gas Corp | McMillian, L. H. 108 #17 | 5,600 | 43535391 |
| 505814 | Feb 23, 2001 | Feb 23, 2001 | Dreyfus, Louis Natural Gas Corp | Davis "C" #12 | 7,000 | 43535392 |
| 505703 | Feb 22, 2001 | Feb 22, 2001 | Dreyfus, Louis Natural Gas Corp | Mayer #36 | 8,550 | 43535387 |
| 505702 | Feb 22, 2001 | Feb 22, 2001 | Dreyfus, Louis Natural Gas Corp | Davis "C" #9 | 7,000 | 43535386 |
| 505701 | Feb 22, 2001 | Feb 22, 2001 | Dreyfus, Louis Natural Gas Corp | Davis "C" #14 | 7,000 | 43535385 |
| 505699 | Feb 22, 2001 | Feb 22, 2001 | Dreyfus, Louis Natural Gas Corp | Meckel "A" #17 | 7,200 | 43535390 |
| 505698 | Feb 22, 2001 | Feb 22, 2001 | Dreyfus, Louis Natural Gas Corp | Meckel "A" #12 | 7,300 | 43535389 |
| 505697 | Feb 22, 2001 | Feb 22, 2001 | Dreyfus, Louis Natural Gas Corp | Meckel "A" #16 | 7,150 | 43535388 |
| 505586 | Feb 21, 2001 | Feb 21, 2001 | Marshall & Winston, Inc. | Allison #1 | 6,800 | 43535384 |