| 540481 | Jan 8, 2004 | Jan 8, 2004 | Medders Oil Company, Inc. | King | Forks Eee #4 | 5,500 | 26932521 |
| 540315 | Jan 5, 2004 | Jan 5, 2004 | Medders Oil Company, Inc. | King | Forks BBB #8 | 5,500 | 26932520 |
| 536737 | Sep 25, 2003 | Sep 25, 2003 | Medders Oil Company, Inc. | King | Pitchfork XXX #3 | 5,500 | 26932514 |
| 536738 | Sep 24, 2003 | Sep 24, 2003 | Medders Oil Company, Inc. | King | Forks GGG #6 | 5,500 | 26932515 |
| 536254 | Sep 10, 2003 | Sep 10, 2003 | Medders Oil Company, Inc. | Dickens | Pitchfork Yyy #4 | 5,500 | 12530892 |
| 536252 | Sep 10, 2003 | Sep 10, 2003 | Medders Oil Company, Inc. | Dickens | Pitchfork Cccc #1 | 5,500 | 12530891 |
| 532238 | May 23, 2003 | May 23, 2003 | Medders Oil Company, Inc. | Dickens | Pitchfork RRR #1 | 5,500 | 12530872 |
| 532237 | May 23, 2003 | May 23, 2003 | Medders Oil Company, Inc. | Dickens | Pitchfork Aaaa #1 | 5,500 | 12530871 |
| 532236 | May 23, 2003 | May 23, 2003 | Medders Oil Company, Inc. | Dickens | Pitchfork Yyy #3 | 5,500 | 12530870 |
| 531680 | May 9, 2003 | May 9, 2003 | Medders Oil Company, Inc. | King | Pitchfork DDD #8 | 5,500 | 26932501 |
| 531295 | May 1, 2003 | May 1, 2003 | Medders Oil Company, Inc. | King | Pitchfork XXX #2 | 5,500 | 26932500 |
| 531292 | Apr 30, 2003 | Apr 30, 2003 | Medders Oil Company, Inc. | King | Pitchfork MMM #2 | 5,500 | 26932499 |
| 530473 | Apr 9, 2003 | Apr 9, 2003 | Medders Oil Company, Inc. | Dickens | Beggs A #1 | 5,500 | 12530861 |
| 529151 | Mar 5, 2003 | Mar 5, 2003 | Medders Oil Company, Inc. | King | Pitchfork VVV #2 | 5,500 | 26932496 |
| 528949 | Feb 28, 2003 | Feb 28, 2003 | Medders Oil Company, Inc. | King | Forks Eee #3 | 5,500 | 26932495 |
| 528531 | Feb 19, 2003 | Feb 19, 2003 | Medders Oil Company, Inc. | King | Pitchfork Ooo #2 | 5,500 | 26932494 |
| 528529 | Feb 19, 2003 | Feb 19, 2003 | Medders Oil Company, Inc. | King | Pitchfork Yyy #2 | 5,500 | 26932493 |
| 528329 | Feb 10, 2003 | Feb 10, 2003 | Medders Oil Company, Inc. | Dickens | Pitchfork QQQ #1 | 5,500 | 12530846 |
| 525469 | Nov 13, 2002 | Nov 13, 2002 | Medders Oil Company, Inc. | Dickens | Matador TTT #1 | 5,500 | 12530824 |
| 524648 | Oct 16, 2002 | Oct 16, 2002 | Medders Oil Company, Inc. | King | Forks CCC #11 | 5,500 | 26932487 |
| 524625 | Oct 15, 2002 | Oct 15, 2002 | Medders Oil Company, Inc. | Dickens | Pitchfork LLL #2 | 5,500 | 12530820 |
| 524620 | Oct 15, 2002 | Oct 15, 2002 | Medders Oil Company, Inc. | King | Pitchfork Yyy #1 | 5,500 | 26932486 |
| 523797 | Sep 19, 2002 | Sep 19, 2002 | Medders Oil Company, Inc. | King | Forks DDD #7DT | 7,500 | 26932484 |
| 520422 | May 28, 2002 | May 28, 2002 | Medders Oil Company, Inc. | King | Pitchfork Ooo #1 | 5,500 | 26932472 |
| 520422Amendment | May 28, 2002 | May 28, 2002 | Medders Oil Company, Inc. | King | Pitchfork Ooo #1 | 5,500 | 26932472 |
| 520404 | May 28, 2002 | May 28, 2002 | Medders Oil Company, Inc. | King | Pitchfork XXX #1 | 5,500 | 26932471 |
| 520403 | May 28, 2002 | May 28, 2002 | Medders Oil Company, Inc. | King | Pitchfork WWW #1 | 5,500 | 26932470 |
| 520402 | May 28, 2002 | May 28, 2002 | Medders Oil Company, Inc. | King | Pitchfork VVV #1 | 5,500 | 26932469 |
| 520401 | May 28, 2002 | May 28, 2002 | Medders Oil Company, Inc. | King | Forks 1B #3 | 5,500 | 26932468 |
| 520363 | May 28, 2002 | May 28, 2002 | Medders Oil Company, Inc. | King | Pitchfork MMM #1 | 5,500 | 26932467 |
| 520223 | May 22, 2002 | May 22, 2002 | Medders Oil Company, Inc. | Dickens | Pitchfork PPP #1 | 5,500 | 12530799 |
| 519047 | Apr 12, 2002 | Apr 12, 2002 | Medders Oil Company, Inc. | King | Forks CCC #10 | 5,500 | 26932464 |
| 519046 | Apr 12, 2002 | Apr 12, 2002 | Medders Oil Company, Inc. | King | Forks DDD #6 | 5,500 | 26932463 |
| 517530 | Feb 25, 2002 | Feb 25, 2002 | Medders Oil Company, Inc. | King | Forks GGG #5 | 5,500 | 26932460 |
| 517532 | Feb 12, 2002 | Feb 12, 2002 | Medders Oil Company, Inc. | King | Somervell W HHH #4 | 5,500 | 26932459 |
| 517327 | Feb 6, 2002 | Feb 6, 2002 | Medders Oil Company, Inc. | King | Forks CCC #9 | 5,500 | 26932455 |
| 516905 | Jan 18, 2002 | Jan 18, 2002 | Medders Oil Company, Inc. | King | Pitchfork LLL #1 | 5,500 | 26932452 |
| 515810 | Dec 17, 2001 | Dec 17, 2001 | Medders Oil Company, Inc. | King | Forks III #1 | 5,500 | 26932451 |
| 515260 | Nov 12, 2001 | Nov 12, 2001 | Medders Oil Company, Inc. | King | Forks Eee #2 | 5,500 | 26932449 |
| 514973 | Nov 2, 2001 | Nov 2, 2001 | Medders Oil Company, Inc. | King | Pitchfork JJJ #1 | 5,500 | 26932445 |
| 514672 | Oct 23, 2001 | Oct 23, 2001 | Medders Oil Company, Inc. | Dickens | Croton Creek Aaa #3 | 5,500 | 12530766 |
| 513860 | Sep 27, 2001 | Sep 27, 2001 | Medders Oil Company, Inc. | King | Forks CCC 12-10-99 #8B | 5,500 | 26932441 |
| 513519 | Sep 11, 2001 | Sep 11, 2001 | Medders Oil Company, Inc. | King | Forks GGG #4 | 5,500 | 26932440 |
| 512919 | Aug 24, 2001 | Aug 24, 2001 | Medders Oil Company, Inc. | King | Forks CCC #7 | 5,500 | 26932438 |
| 512325 | Aug 13, 2001 | Aug 13, 2001 | Medders Oil Company, Inc. | King | Forks DDD #5 | 5,500 | 26932436 |
| 512232 | Aug 7, 2001 | Aug 7, 2001 | Medders Oil Company, Inc. | King | Somervell W HHH #3 | 5,500 | 26932434 |
| 512233 | Aug 6, 2001 | Aug 6, 2001 | Medders Oil Company, Inc. | King | Forks 1B #2 | 5,500 | 26932435 |
| 509029 | May 16, 2001 | May 16, 2001 | Medders Oil Company, Inc. | Dickens | Croton Creek Aaa #2 | 4,500 | 12530745 |
| 508486 | May 3, 2001 | May 3, 2001 | Medders Oil Company, Inc. | King | Forks GGG #3 | 4,200 | 26932425 |
| 508280 | Apr 30, 2001 | Apr 30, 2001 | Medders Oil Company, Inc. | King | Forks CCC #6 | 4,200 | 26932424 |
| 507470 | Apr 6, 2001 | Apr 6, 2001 | Medders Oil Company, Inc. | King | Forks DDD #4 | 4,200 | 26932422 |
| 507412 | Apr 5, 2001 | Apr 5, 2001 | Medders Oil Company, Inc. | King | Forks 1 #7A | 4,200 | 26932421 |
| 506563 | Mar 20, 2001 | Mar 20, 2001 | Medders Oil Company, Inc. | King | Forks GGG #2 | 4,200 | 26932417 |
| 506565 | Mar 16, 2001 | Mar 16, 2001 | Medders Oil Company, Inc. | King | Somervell W HHH #2 | 4,200 | 26932418 |
| 504929 | Feb 9, 2001 | Feb 9, 2001 | Medders Oil Company, Inc. | King | Forks CCC 12-10-99 #5B | 4,200 | 26932412 |
| 505055 | Feb 8, 2001 | Feb 8, 2001 | Medders Oil Company, Inc. | King | Forks HHH #1 | 7,500 | 26932413 |
| 504704 | Jan 31, 2001 | Jan 31, 2001 | Medders Oil Company, Inc. | King | Forks BBB #7 | 4,200 | 26932410 |
| 504454 | Jan 25, 2001 | Jan 25, 2001 | Medders Oil Company, Inc. | King | Forks DDD #3 | 7,500 | 26932409 |
| 500866 | Oct 17, 2000 | Oct 17, 2000 | Medders Oil Company, Inc. | King | Forks BBB #6 | 4,200 | 26932402 |
| 500865 | Oct 17, 2000 | Oct 17, 2000 | Medders Oil Company, Inc. | King | Forks GGG #1 | 4,200 | 26932401 |
| 500863 | Oct 17, 2000 | Oct 17, 2000 | Medders Oil Company, Inc. | King | Forks FFF #1 | 4,200 | 26932400 |
| 498726 | Aug 22, 2000 | Aug 22, 2000 | Medders Oil Company, Inc. | King | Forks Eee #1 | 4,200 | 26932394 |
| 498559 | Aug 17, 2000 | Aug 17, 2000 | Medders Oil Company, Inc. | King | Forks CCC #4A | 4,200 | 26932393 |
| 497978 | Aug 2, 2000 | Aug 2, 2000 | Medders Oil Company, Inc. | King | Forks DDD #2 | 4,200 | 26932391 |
| 497415 | Jul 27, 2000 | Jul 27, 2000 | Medders Oil Company, Inc. | King | Forks "CCC" #4 | 4,200 | 26932388 |
| 494898 | May 16, 2000 | May 16, 2000 | Medders Oil Company, Inc. | King | Forks BBB #5 | 4,200 | 26932381 |
| 494052 | Apr 18, 2000 | Apr 18, 2000 | Medders Oil Company, Inc. | King | Forks DDD #1 | 4,200 | 26932377 |
| 492622 | Mar 2, 2000 | Mar 2, 2000 | Medders Oil Company, Inc. | King | Forks CCC #3 | 4,100 | 26932369 |
| 492121 | Feb 22, 2000 | Feb 22, 2000 | Medders Oil Company, Inc. | King | Forks CCC #2 | 4,100 | 26932366 |
| 491759 | Feb 9, 2000 | Feb 9, 2000 | Medders Oil Company, Inc. | King | Forks BBB #3 | 4,100 | 26932364 |
| 491759Amendment | Feb 9, 2000 | Feb 9, 2000 | Medders Oil Company, Inc. | King | Forks BBB #3 | 4,100 | 26932364 |
| 489828 | Dec 2, 1999 | Dec 2, 1999 | Medders Oil Company, Inc. | King | Forks CCC #1 | 4,100 | 26932359 |
| 489828Amendment | Dec 2, 1999 | Dec 2, 1999 | Medders Oil Company, Inc. | King | Forks CCC #1 | 4,100 | 26932359 |
| 488802 | Oct 29, 1999 | Oct 29, 1999 | Medders Oil Company, Inc. | King | Forks BBB #2 | 4,100 | 26932354 |
| 485825 | Jul 16, 1999 | Jul 16, 1999 | Medders Oil Company, Inc. | King | Forks BBB #1 | 3,975 | 26932340 |
| 485824 | Jul 16, 1999 | Jul 16, 1999 | Medders Oil Company, Inc. | King | Forks '1' #6A | 4,000 | 26932339 |
| 482718 | Feb 22, 1999 | Feb 22, 1999 | Medders Oil Company, Inc. | Dickens | Croton Creek "Aaa" #1 | 4,150 | 12530707 |
| 481063 | Nov 20, 1998 | Nov 20, 1998 | Medders Oil Company, Inc. | King | Pitchfork-Maverick #1 | 4,100 | 26932329 |
| 481062 | Nov 20, 1998 | Nov 20, 1998 | Medders Oil Company, Inc. | King | Forks 1 #7A | 4,100 | 26932328 |
| 480856 | Nov 13, 1998 | Nov 13, 1998 | Medders Oil Company, Inc. | Dickens | Forks '3' #1 | 4,300 | 12530705 |
| 468686 | Oct 10, 1997 | Oct 10, 1997 | Medders Oil Company, Inc. | Dickens | Forks "107" #1 | 4,400 | 12530673 |
| 464919 | Jul 21, 1997 | Jul 21, 1997 | Medders Oil Company, Inc. | King | Forks "1" #5A | 4,300 | 26932281 |
| 464481 | Jul 18, 1997 | Jul 18, 1997 | Medders Oil Company, Inc. | King | Pitchfork L&cc #401 | 4,200 | 26932275 |
| 461250 | Apr 25, 1997 | Apr 25, 1997 | Medders Oil Company, Inc. | King | Forks "1" #1B | 4,200 | 26932264 |
| 458213 | Feb 10, 1997 | Feb 10, 1997 | Medders Oil Company, Inc. | Dickens | Pitchfork Land & Cattle Co. 194 #1 | 7,000 | 12530628 |
| 457962 | Feb 4, 1997 | Feb 4, 1997 | Medders Oil Company, Inc. | King | Forks '1' #4A | 4,300 | 26932255 |
| 456587 | Dec 20, 1996 | Dec 20, 1996 | Medders Oil Company, Inc. | Dickens | Forks 5A #1 | 4,300 | 12530622 |
| 453232 | Oct 1, 1996 | Oct 1, 1996 | Medders Oil Company, Inc. | Archer | Medders-McConnell #5101 | 6,300 | 00941073 |
| 450291 | Jul 12, 1996 | Jul 12, 1996 | Medders Oil Company, Inc. | Dickens | Forks #501 | 4,300 | 12530594 |
| 448692 | Jun 4, 1996 | Jun 4, 1996 | Medders Oil Company, Inc. | King | Forks "1" #3A | 4,300 | 26932222 |
| 446658 | Apr 9, 1996 | Apr 9, 1996 | Medders Oil Company, Inc. | King | Forks "1" #2A | 4,200 | 26932216 |