| 481969 | Jan 15, 1999 | Jan 15, 1999 | Crescendo Resources, L.P. | Brian #2051 | 3,500 | 34132622 |
| 481968 | Jan 14, 1999 | Jan 14, 1999 | Crescendo Resources, L.P. | Roenfeldt, Andrew #2 | 3,500 | 34132621 |
| 481968Amendment | Jan 14, 1999 | Jan 14, 1999 | Amoco Production Company | Roenfeldt #2 | 3,300 | 34132621 |
| 481968Amendment | Jan 14, 1999 | Jan 14, 1999 | Amoco Production Company | Roenfeldt, Andrew #2 | 3,600 | 34132621 |
| 481924 | Jan 11, 1999 | Jan 11, 1999 | Crescendo Resources, L.P. | Thomas, Mary #2 | 3,350 | 34132620 |
| 481923 | Jan 11, 1999 | Jan 11, 1999 | Crescendo Resources, L.P. | Fuqua #6 | 3,400 | 34132619 |
| 481923Amendment | Jan 11, 1999 | Jan 11, 1999 | Crescendo Resources, L.P. | Fuqua #6 | 3,400 | 34132619 |
| 481923Amendment | Jan 11, 1999 | Jan 11, 1999 | Crescendo Resources, L.P. | Fuqua #6 | 3,400 | 34132619 |
| 481759 | Dec 28, 1998 | Dec 28, 1998 | Phillips Petroleum Company | Spear #1R | 3,500 | 34132618 |
| 480924 | Nov 19, 1998 | Nov 19, 1998 | Phillips Petroleum Company | United #1R | 3,600 | 34132617 |
| 480286 | Oct 23, 1998 | Oct 23, 1998 | Colorado Interstate Gas Co. | Bivins #9807 | 400 | 34132616 |
| 480284 | Oct 23, 1998 | Oct 23, 1998 | Colorado Interstate Gas Co. | Bivins #9805 | 400 | 34132615 |
| 480282 | Oct 23, 1998 | Oct 23, 1998 | Colorado Interstate Gas Co. | Bivins #9803 | 400 | 34132614 |
| 479523 | Sep 18, 1998 | Sep 18, 1998 | Chesapeake Operating, Inc. | Green #1 | 3,700 | 34131355 |
| 479522 | Sep 18, 1998 | Sep 18, 1998 | Chesapeake Operating, Inc. | Stewart #1 | 3,700 | 34131294 |
| 479313 | Sep 11, 1998 | Sep 11, 1998 | J. W. Resources Inc. | Lee #6 | 3,850 | 34132613 |
| 479039 | Sep 3, 1998 | Sep 3, 1998 | Crescendo Resources, L.P. | Hight, Mary C. #6354 | 3,500 | 34132609 |
| 479139 | Sep 1, 1998 | Sep 1, 1998 | Crescendo Resources, L.P. | Stewart, A. A. #203 | 3,300 | 34132612 |
| 479095 | Sep 1, 1998 | Sep 1, 1998 | Crescendo Resources, L.P. | Burnett et Al #2 | 3,500 | 34132611 |
| 479051 | Aug 31, 1998 | Aug 31, 1998 | Crescendo Resources, L.P. | Britain, E. C. #38 | 3,200 | 34132610 |
| 478772 | Aug 18, 1998 | Aug 18, 1998 | Crescendo Resources, L.P. | Ward, J. F. #2319 | 3,600 | 34132608 |
| 478771 | Aug 18, 1998 | Aug 18, 1998 | Crescendo Resources, L.P. | Kempson #204 | 3,200 | 34132607 |
| 478538 | Aug 18, 1998 | Aug 18, 1998 | J. W. Resources Inc. | Lee #4 | 3,850 | 34132603 |
| 478536 | Aug 13, 1998 | Aug 13, 1998 | J. W. Resources Inc. | Lee #5 | 3,850 | 34132602 |
| 478541 | Aug 7, 1998 | Aug 7, 1998 | J. W. Resources Inc. | Lee #1 | 3,850 | 34132606 |
| 478540 | Aug 7, 1998 | Aug 7, 1998 | J. W. Resources Inc. | Lee #2 | 3,850 | 34132605 |
| 478539 | Aug 7, 1998 | Aug 7, 1998 | J. W. Resources Inc. | Lee #3 | 3,850 | 34132604 |
| 478519 | Aug 5, 1998 | Aug 5, 1998 | Anadarko Petroleum Corp. | State "CR" #503BH | 2,354 | 34132236 |
| 478313 | Jul 30, 1998 | Jul 30, 1998 | Pioneer Natural Res. USA, Inc. | Thompson "19" #A 11 | 3,500 | 34132601 |
| 478298 | Jul 28, 1998 | Jul 28, 1998 | Crescendo Resources, L.P. | Fuqua #5183 | 3,500 | 34132599 |
| 478297 | Jul 28, 1998 | Jul 28, 1998 | Crescendo Resources, L.P. | Young, J. H. #3263 | 3,600 | 34132600 |
| 478297Amendment | Jul 28, 1998 | Jul 28, 1998 | Crescendo Resources, L.P. | Young, J. H. #3263 | 3,600 | 34132600 |
| 478122 | Jul 23, 1998 | Jul 23, 1998 | Momentum Operating Co., Inc. | Armstrong #12R | 3,350 | 34132598 |
| 478009 | Jul 17, 1998 | Jul 17, 1998 | Crescendo Resources, L.P. | Luckhardt #3353 | 3,280 | 34132596 |
| 478008 | Jul 17, 1998 | Jul 17, 1998 | Crescendo Resources, L.P. | Hardwick #2242 | 3,500 | 34132597 |
| 477773 | Jul 8, 1998 | Jul 8, 1998 | Seagull Energy E&P Inc. | Shelton #A4H | 2,907 | 34101744 |
| 477736 | Jul 6, 1998 | Jul 6, 1998 | Arrington CJM, Inc. | Clark #4 | 3,850 | 34132595 |
| 477735 | Jul 6, 1998 | Jul 6, 1998 | Arrington CJM, Inc. | Clark #3 | 3,850 | 34132594 |
| 477734 | Jul 6, 1998 | Jul 6, 1998 | Arrington CJM, Inc. | Clark #2 | 3,850 | 34132593 |
| 477733 | Jul 6, 1998 | Jul 6, 1998 | Arrington CJM, Inc. | Clark #1 | 3,850 | 34132592 |
| 477574 | Jul 6, 1998 | Jul 6, 1998 | Pioneer Natural Res. USA, Inc. | Sneed "53" #A 12 | 3,400 | 34132590 |
| 477573 | Jul 6, 1998 | Jul 6, 1998 | Pioneer Natural Res. USA, Inc. | Sneed "51" #A 13 | 3,400 | 34132773 |
| 477572 | Jul 6, 1998 | Jul 6, 1998 | Pioneer Natural Res. USA, Inc. | Sneed "46" #C 3 | 3,300 | 34132588 |
| 477571 | Jul 6, 1998 | Jul 6, 1998 | Pioneer Natural Res. USA, Inc. | Sneed "42" #D 3 | 3,200 | 34132587 |
| 477571Amendment | Jul 6, 1998 | Jul 6, 1998 | Pioneer Natural Res. USA, Inc. | Sneed "42" #D 3 | 3,200 | 34132587 |
| 477624 | Jul 2, 1998 | Jul 2, 1998 | Phillips Petroleum Company | Messenger #1R | 3,600 | 34132591 |
| 477535 | Jul 1, 1998 | Jul 1, 1998 | Phillips Petroleum Company | Pink #1R | 3,720 | 34132586 |
| 477060 | Jun 12, 1998 | Jun 12, 1998 | Seagull Energy E&P Inc. | Shelton A #17R | 1,900 | 34132584 |
| 477059 | Jun 12, 1998 | Jun 12, 1998 | Seagull Energy E&P Inc. | Shelton A #19R | 1,810 | 34132583 |
| 477058 | Jun 12, 1998 | Jun 12, 1998 | Seagull Energy E&P Inc. | Shelton A #18R | 1,850 | 34132582 |
| 476371 | May 21, 1998 | May 21, 1998 | Pioneer Natural Res. USA, Inc. | Kilgore "13" #A 24 | 3,650 | 34132581 |
| 476371Amendment | May 21, 1998 | May 21, 1998 | Pioneer Natural Res. USA, Inc. | Kilgore "13" #A 24 | 3,650 | 34132581 |
| 475869 | Apr 30, 1998 | Apr 30, 1998 | Fortune Operating Company | Gordon #1HH | 3,500 | 34132579 |
| 474849 | Mar 30, 1998 | Mar 30, 1998 | Fortune Operating Company | Burnett Estate #3H | 3,400 | 34132502 |
| 474701 | Mar 25, 1998 | Mar 25, 1998 | Seagull Midcon Inc. | Bivins Fee #4 | 2,900 | 34100844 |
| 474700 | Mar 25, 1998 | Mar 25, 1998 | Seagull Midcon Inc. | Bivins Fee #3 | 2,950 | 34101896 |
| 454808Amendment | Mar 19, 1998 | Mar 19, 1998 | Mc Panhandle, Inc. | Thompson #10H | 4,975 | 34100465 |
| 474219 | Mar 11, 1998 | Mar 11, 1998 | Lyco Energy Corporation | Stringer #2 | 3,728 | 34131819 |
| 474219Amendment | Mar 11, 1998 | Mar 11, 1998 | Lyco Energy Corporation | Stringer #2H | 3,728 | 34131819 |
| 473918 | Mar 6, 1998 | Mar 6, 1998 | Pioneer Natural Res. USA, Inc. | Masterson "84" #134R | 2,300 | 34132580 |
| 472970 | Feb 6, 1998 | Feb 6, 1998 | Phillips Petroleum Company | Reser #1R | 3,400 | 34132726 |
| 472969 | Feb 6, 1998 | Feb 6, 1998 | Phillips Petroleum Company | Spur #1R | 3,300 | 34132577 |
| 472916 | Feb 4, 1998 | Feb 4, 1998 | Anadarko Petroleum Corp. | Sneed #1045AH | 3,168 | 34100619 |
| 472672 | Feb 2, 1998 | Feb 2, 1998 | J. W. Resources Inc. | Wolf #4 | 3,800 | 34132576 |
| 472671 | Jan 28, 1998 | Jan 28, 1998 | J. W. Resources Inc. | Wolf #3 | 3,800 | 34132575 |
| 472447 | Jan 26, 1998 | Jan 26, 1998 | Pioneer Natural Res. USA, Inc. | Masterson "87" #125R | 2,100 | 34132574 |
| 472447Amendment | Jan 26, 1998 | Jan 26, 1998 | Pioneer Natural Res. USA, Inc. | Masterson "87" #125R | 2,100 | 34132574 |
| 472445 | Jan 23, 1998 | Jan 23, 1998 | Pioneer Natural Res. USA, Inc. | Masterson "76" #120R | 2,500 | 34132573 |
| 472350 | Jan 23, 1998 | Jan 23, 1998 | Pioneer Natural Res. USA, Inc. | Masterson (41) #A 49 | 3,500 | 34132572 |
| 472157 | Jan 16, 1998 | Jan 16, 1998 | Pioneer Natural Res. USA, Inc. | Bivins "25" #A227 | 3,700 | 34132571 |
| 472078 | Jan 12, 1998 | Jan 12, 1998 | Anadarko Petroleum Corp. | Sneed -B- #1003H | 3,043 | 34100138 |
| 471497 | Dec 29, 1997 | Dec 29, 1997 | J. W. Resources Inc. | Wolf #1 | 3,800 | 34132570 |
| 471538 | Dec 22, 1997 | Dec 22, 1997 | Anadarko Petroleum Corp. | Sneed "C" #1000H | 3,200 | 34101553 |
| 471496 | Dec 22, 1997 | Dec 22, 1997 | J. W. Resources Inc. | Wolf #2 | 3,800 | 34132569 |
| 471114 | Dec 12, 1997 | Dec 12, 1997 | J. W. Resources Inc. | Albert #3 | 3,800 | 34132568 |
| 471083 | Dec 10, 1997 | Dec 10, 1997 | Taylor, Gordon Oil Company, LP | Hoss #2 | 3,610 | 34132567 |
| 470743 | Dec 3, 1997 | Dec 3, 1997 | Phillips Petroleum Company | Hub #1R | 3,500 | 34132566 |
| 470709 | Dec 2, 1997 | Dec 2, 1997 | J. W. Resources Inc. | Albert #4 | 3,850 | 34132565 |
| 470663 | Dec 1, 1997 | Dec 1, 1997 | Taylor, Gordon Oil Company, LP | Irene #2 | 3,650 | 34132564 |
| 470056 | Nov 26, 1997 | Nov 26, 1997 | Crescendo Resources, L.P. | Brown, Epps "A" #2 | 3,300 | 34132563 |
| 470553 | Nov 25, 1997 | Nov 25, 1997 | Anadarko Petroleum Corp. | Sneed "B" #5004H | 2,913 | 34100148 |
| 470551 | Nov 25, 1997 | Nov 25, 1997 | Anadarko Petroleum Corp. | Sneed "C" #5040H | 3,093 | 34100605 |
| 470550 | Nov 25, 1997 | Nov 25, 1997 | Anadarko Petroleum Corp. | Sneed "C" #8041H | 3,117 | 34100608 |
| 470138 | Nov 14, 1997 | Nov 14, 1997 | Seagull Midcon Inc. | Shelton A #7 | 3,000 | 34100634 |
| 470137 | Nov 14, 1997 | Nov 14, 1997 | Seagull Midcon Inc. | Shelton A #6 | 3,000 | 34100639 |
| 470000 | Nov 13, 1997 | Nov 13, 1997 | J. W. Resources Inc. | Albert #1 | 3,850 | 34132562 |
| 469998 | Nov 13, 1997 | Nov 13, 1997 | J. W. Resources Inc. | Albert #2 | 3,850 | 34132561 |
| 469875 | Nov 10, 1997 | Nov 10, 1997 | Anadarko Petroleum Corp. | Sneed #1020AH | 3,100 | 34132136 |
| 469842 | Nov 7, 1997 | Nov 7, 1997 | Seagull Midcon Inc. | Shelton A #2X | 3,000 | 34100671 |
| 469763 | Nov 6, 1997 | Nov 6, 1997 | Anadarko Petroleum Corp. | Sneed #7050R | 2,250 | 34132560 |
| 469679 | Nov 5, 1997 | Nov 5, 1997 | Cambridge Production, Inc. | Read #1 | 3,300 | 34132559 |
| 469256 | Oct 24, 1997 | Oct 24, 1997 | Anadarko Petroleum Corporation | Zofness #2055H | 2,850 | 34100687 |
| 468746 | Oct 16, 1997 | Oct 16, 1997 | Huber, J. M., Corporation | Phillips, Otis "A" #34 | 3,500 | 34132558 |
| 468609 | Oct 16, 1997 | Oct 16, 1997 | W.B.D. Oil and Gas Inc. | Lethen, E. F. #7 | 3,500 | 34132557 |
| 468605 | Oct 10, 1997 | Oct 10, 1997 | Huber, J. M., Corporation | Phillips, Otis "A" #33 | 3,500 | 34132556 |
| 468198 | Oct 10, 1997 | Oct 10, 1997 | Lyco Energy Corporation | Donelson "C" #4 | 3,835 | 34131948 |
| 468341 | Oct 2, 1997 | Oct 2, 1997 | Anadarko Petroleum Corp. | Zofness #1055AH | 3,208 | 34132140 |
| 468341Amendment | Oct 2, 1997 | Oct 2, 1997 | Anadarko Petroleum Corp. | Zofness #1055AH | 3,212 | 34132140 |
| 468337 | Oct 2, 1997 | Oct 2, 1997 | Gould Oil Inc. | Masterson #7607 | 2,350 | 34132695 |
| 467801 | Sep 22, 1997 | Sep 22, 1997 | J. W. Resources Inc. | Jazz #6 | 3,850 | 34132554 |