| 602707 | Jun 29, 2005 | Jun 29, 2005 | Atropos Production Corporation | Sterling | Reynolds 32 #3 | 8,100 | 43133148 |
| 557546 | Feb 16, 2005 | Feb 16, 2005 | Atropos Production Corporation | Sterling | Wilkinson 10 #5 | 8,000 | 43133136 |
| 557545 | Feb 14, 2005 | Feb 14, 2005 | Atropos Production Corporation | Sterling | McEntire 21 #6 | 8,000 | 43133135 |
| 557544 | Feb 14, 2005 | Feb 14, 2005 | Atropos Production Corporation | Sterling | Wilkinson 3 #3 | 8,000 | 43133134 |
| 556250Amendment | Jan 18, 2005 | Jan 18, 2005 | Atropos Production Corporation | Glasscock | Corky Nix 15 #3 | 7,700 | 17333150 |
| 548535 | Jul 23, 2004 | Jul 23, 2004 | Atropos Production Corporation | Sterling | Wilkinson 9 #6 | 8,000 | 43130063 |
| 548124 | Jul 19, 2004 | Jul 19, 2004 | Atropos Production Corporation | Sterling | Reed 19 #2 | 8,100 | 43133120 |
| 543127 | Mar 15, 2004 | Mar 15, 2004 | Atropos Production Corporation | Sterling | Mc Entire 27 #6 | 8,100 | 43133098 |
| 537304 | Oct 10, 2003 | Oct 10, 2003 | Atropos Production Corporation | Sterling | Wilkinson 9 #5 | 8,000 | 43133080 |
| 537303 | Oct 10, 2003 | Oct 10, 2003 | Atropos Production Corporation | Sterling | McEntire 16 #5 | 8,000 | 43133079 |
| 540380 | Jan 6, 2003 | Jan 6, 2003 | Atropos Production Corporation | Sterling | Mc Entire 16 #5B | 8,000 | 43133085 |
| 517310 | Feb 6, 2002 | Feb 6, 2002 | Atropos Production Corporation | Sterling | McEntire 36 #4 | 8,100 | 43133036 |
| 515068 | Nov 7, 2001 | Nov 7, 2001 | Atropos Production Corporation | Sterling | McEntire 36 #3 | 8,100 | 43133029 |
| 511611 | Jul 20, 2001 | Jul 20, 2001 | Atropos Production Corporation | Sterling | McEntire 36 #1 | 8,100 | 43133025 |
| 511610 | Jul 20, 2001 | Jul 20, 2001 | Atropos Production Corporation | Sterling | McEntire 1 #4 | 8,100 | 43133024 |
| 507836 | Apr 17, 2001 | Apr 17, 2001 | Atropos Production Corporation | Sterling | Reynolds 30 #3 | 8,100 | 43133016 |
| 498940Amendment | Apr 5, 2001 | Apr 5, 2001 | Atropos Production Corporation | Howard | Guthrie 93 #2 | 8,100 | 22735585 |
| 506772 | Mar 23, 2001 | Mar 23, 2001 | Atropos Production Corporation | Sterling | McEntire 1 #3 | 8,100 | 43133015 |
| 505253 | Feb 26, 2001 | Feb 26, 2001 | Atropos Production Corporation | Howard | Guthrie 93 #3 | 8,100 | 22735653 |
| 505252 | Feb 15, 2001 | Feb 15, 2001 | Atropos Production Corporation | Sterling | Batjer 149 #2 | 7,600 | 43132978 |
| 504881 | Feb 5, 2001 | Feb 5, 2001 | Atropos Production Corporation | Sterling | Reynolds 30 #2 | 8,100 | 43133009 |
| 504561 | Jan 29, 2001 | Jan 29, 2001 | Atropos Production Corporation | Sterling | Reynolds 29 #1 | 8,000 | 43132898 |
| 503945 | Jan 12, 2001 | Jan 12, 2001 | Atropos Production Corporation | Sterling | McEntire 1 #2 | 8,100 | 43133006 |
| 502483 | Dec 1, 2000 | Dec 1, 2000 | Atropos Production Corporation | Howard | Guthrie 93 #2X | 9,100 | 22735627 |
| 502482 | Dec 1, 2000 | Dec 1, 2000 | Atropos Production Corporation | Sterling | McEntire 23 #3 | 8,100 | 43133003 |
| 501858 | Nov 20, 2000 | Nov 20, 2000 | Atropos Production Corporation | Howard | Guthrie 66 #2 | 8,100 | 22735615 |
| 501857 | Nov 20, 2000 | Nov 20, 2000 | Atropos Production Corporation | Howard | Guthrie 94 #1 | 8,100 | 22735616 |
| 501423 | Nov 20, 2000 | Nov 20, 2000 | Atropos Production Corporation | Howard | Guthrie 87 #3 | 8,100 | 22735612 |
| 501859 | Nov 16, 2000 | Nov 16, 2000 | Atropos Production Corporation | Howard | Guthrie 87 #5 | 8,100 | 22735614 |
| 501856 | Nov 14, 2000 | Nov 14, 2000 | Atropos Production Corporation | Howard | Guthrie 65 #1 | 8,100 | 22735617 |
| 501422 | Nov 1, 2000 | Nov 1, 2000 | Atropos Production Corporation | Howard | Guthrie 86 #2 | 8,100 | 22735611 |
| 501198 | Oct 26, 2000 | Oct 26, 2000 | Atropos Production Corporation | Howard | Guthrie 86 #3 | 8,100 | 22735609 |
| 500496 | Oct 9, 2000 | Oct 9, 2000 | Atropos Production Corporation | Sterling | McEntire 23 #4 | 8,000 | 43133001 |
| 500122 | Sep 28, 2000 | Sep 28, 2000 | Atropos Production Corporation | Howard | Guthrie 86 #1 | 8,100 | 22735596 |
| 498940 | Sep 1, 2000 | Sep 1, 2000 | Atropos Production Corporation | Howard | Guthrie 93 #2 | 8,100 | 22735585 |
| 498932 | Sep 1, 2000 | Sep 1, 2000 | Atropos Production Corporation | Howard | Guthrie 87 #2 | 8,100 | 22735586 |
| 498569 | Aug 18, 2000 | Aug 18, 2000 | Atropos Production Corporation | Howard | Guthrie 87 #1 | 8,100 | 22735582 |
| 498568 | Aug 18, 2000 | Aug 18, 2000 | Atropos Production Corporation | Howard | Guthrie 93 #1 | 8,100 | 22735583 |
| 495380 | May 30, 2000 | May 30, 2000 | Atropos Production Corporation | Howard | Batjer 145 #1 | 8,100 | 22735532 |
| 493627 | Apr 3, 2000 | Apr 3, 2000 | Atropos Production Corporation | Sterling | Batjer 148 #1 | 8,100 | 43132988 |
| 489492 | Nov 16, 1999 | Nov 16, 1999 | Atropos Production Corporation | Sterling | Batjer 149 #2 | 8,100 | 43132978 |
| 488335 | Oct 18, 1999 | Oct 18, 1999 | Atropos Production Corporation | Sterling | Horwood #2 | 8,800 | 43132772 |
| 487761 | Sep 22, 1999 | Sep 22, 1999 | Atropos Production Corporation | Sterling | Wilkinson 14 #6 | 8,000 | 43132973 |
| 487130 | Sep 1, 1999 | Sep 1, 1999 | Atropos Production Corporation | Sterling | Wilkinson 14 #5 | 8,000 | 43132970 |
| 485800 | Jul 14, 1999 | Jul 14, 1999 | Atropos Production Corporation | Sterling | Batjer 149 #1 | 8,100 | 43132963 |
| 485800Amendment | Jul 14, 1999 | Jul 14, 1999 | Atropos Production Corporation | Sterling | Batjer 149 #1 | 8,100 | 43132963 |
| 484206 | May 5, 1999 | May 5, 1999 | Atropos Production Corporation | Sterling | Wilkinson 14 #4 | 8,000 | 43132959 |
| 480447 | Oct 30, 1998 | Oct 30, 1998 | Atropos Production Corporation | Sterling | Wilkinson 14 #3 | 8,000 | 43132954 |
| 479586 | Sep 23, 1998 | Sep 23, 1998 | Atropos Production Corporation | Sterling | Reynolds 32 #2 | 8,000 | 43132945 |
| 472361 | Jan 23, 1998 | Jan 23, 1998 | Atropos Production Corporation | Sterling | McEntire 23 #3 | 8,000 | 43132921 |
| 472353 | Jan 23, 1998 | Jan 23, 1998 | Atropos Production Corporation | Sterling | McEntire 27 #7 | 8,100 | 43132920 |
| 472288 | Jan 20, 1998 | Jan 20, 1998 | Atropos Production Corporation | Sterling | McEntire 23 #2 | 8,000 | 43132916 |
| 469361 | Nov 6, 1997 | Nov 6, 1997 | Atropos Production Corporation | Sterling | Reynolds 29 #1 | 8,000 | 43132898 |
| 469364 | Nov 3, 1997 | Nov 3, 1997 | Atropos Production Corporation | Sterling | McEntire 28 #8 | 8,000 | 43132901 |
| 469363 | Nov 3, 1997 | Nov 3, 1997 | Atropos Production Corporation | Sterling | McEntire 28 #6 | 8,000 | 43132900 |
| 469362 | Nov 3, 1997 | Nov 3, 1997 | Atropos Production Corporation | Sterling | McEntire 28 #7 | 8,000 | 43132899 |
| 466709 | Sep 3, 1997 | Sep 3, 1997 | Atropos Production Corporation | Sterling | McEntire 23 #1 | 8,000 | 43132889 |
| 466710 | Aug 27, 1997 | Aug 27, 1997 | Atropos Production Corporation | Sterling | McEntire 22 #8 | 8,000 | 43132888 |
| 464834 | Jul 17, 1997 | Jul 17, 1997 | Atropos Production Corporation | Sterling | Reynolds 30 #1 | 8,100 | 43132882 |
| 464834Amendment | Jul 17, 1997 | Jul 17, 1997 | Atropos Production Corporation | Sterling | Reynolds 30 #1 | 8,100 | 43132882 |
| 464833 | Jul 17, 1997 | Jul 17, 1997 | Atropos Production Corporation | Sterling | McEntire 1 #1 | 8,000 | 43132883 |
| 464833Amendment | Jul 17, 1997 | Jul 17, 1997 | Atropos Production Corporation | Sterling | McEntire 1 #1 | 8,000 | 43132883 |
| 462086 | May 30, 1997 | May 30, 1997 | Atropos Production Corporation | Sterling | McEntire 15 #8 | 8,000 | 43132874 |
| 462089 | May 20, 1997 | May 20, 1997 | Atropos Production Corporation | Sterling | McEntire 27 #8 | 8,000 | 43132875 |
| 462090 | May 15, 1997 | May 15, 1997 | Atropos Production Corporation | Sterling | McEntire 2 #2 | 8,000 | 43132873 |
| 462087 | May 14, 1997 | May 14, 1997 | Atropos Production Corporation | Sterling | McEntire 22 #7 | 8,000 | 43132872 |
| 461349 | Apr 24, 1997 | Apr 24, 1997 | Atropos Production Corporation | Sterling | McEntire 33 #7 | 8,000 | 43132867 |
| 461348 | Apr 24, 1997 | Apr 24, 1997 | Atropos Production Corporation | Sterling | Wilkinson 14 #2 | 8,000 | 43132866 |
| 461351 | Apr 23, 1997 | Apr 23, 1997 | Atropos Production Corporation | Sterling | McEntire 21 #5 | 8,000 | 43132869 |
| 461350 | Apr 23, 1997 | Apr 23, 1997 | Atropos Production Corporation | Sterling | McEntire 28 #5 | 8,000 | 43132868 |
| 460193 | Mar 26, 1997 | Mar 26, 1997 | Atropos Production Corporation | Sterling | Wilkinson 10 #4 | 8,000 | 43132861 |
| 458307 | Feb 25, 1997 | Feb 25, 1997 | Atropos Production Corporation | Sterling | McEntire 15 #6 | 8,000 | 43132852 |
| 458309 | Feb 11, 1997 | Feb 11, 1997 | Atropos Production Corporation | Sterling | McEntire 22 #5 | 8,000 | 43132854 |
| 458308 | Feb 11, 1997 | Feb 11, 1997 | Atropos Production Corporation | Sterling | McEntire 27 #5 | 8,000 | 43132853 |
| 458306 | Feb 11, 1997 | Feb 11, 1997 | Atropos Production Corporation | Sterling | McEntire 22 #6 | 8,000 | 43132851 |
| 457025 | Jan 14, 1997 | Jan 14, 1997 | Atropos Production Corporation | Sterling | McEntire 15 #5 | 7,700 | 43132847 |
| 457024 | Jan 10, 1997 | Jan 10, 1997 | Atropos Production Corporation | Sterling | Wilkinson 9 #4 | 7,700 | 43132846 |
| 457026 | Jan 8, 1997 | Jan 8, 1997 | Atropos Production Corporation | Sterling | McEntire 33 #6 | 7,750 | 43132848 |
| 457026Amendment | Jan 8, 1997 | Jan 8, 1997 | Atropos Production Corporation | Sterling | McEntire 33 #6 | 8,000 | 43132848 |
| 457009 | Jan 7, 1997 | Jan 7, 1997 | Atropos Production Corporation | Sterling | McEntire 34 #9 | 7,750 | 43132845 |
| 456923 | Jan 6, 1997 | Jan 6, 1997 | Atropos Production Corporation | Sterling | McEntire 34 #8 | 7,700 | 43132844 |
| 456456 | Dec 19, 1996 | Dec 19, 1996 | Atropos Production Corporation | Sterling | McEntire 33 #5 | 7,750 | 43132841 |
| 455645 | Nov 27, 1996 | Nov 27, 1996 | Atropos Production Corporation | Sterling | Wilkinson 14 #1 | 7,600 | 43132838 |
| 454839 | Nov 8, 1996 | Nov 8, 1996 | Atropos Production Corporation | Sterling | McEntire 34 #7 | 7,700 | 43132837 |
| 453179 | Oct 3, 1996 | Oct 3, 1996 | Atropos Production Corporation | Sterling | Reynolds 32 #1 | 8,000 | 43132834 |
| 444650 | Feb 21, 1996 | Feb 21, 1996 | Atropos Production Corporation | Sterling | McEntire 28 #4 | 7,900 | 43132813 |
| 444649 | Feb 21, 1996 | Feb 21, 1996 | Atropos Production Corporation | Sterling | McEntire 21 #1X | 7,700 | 43132812 |
| 443874 | Jan 25, 1996 | Jan 25, 1996 | Atropos Production Corporation | Sterling | McEntire 16 #4 | 7,750 | 43132811 |
| 436670 | Jul 20, 1995 | Jul 20, 1995 | Atropos Production Corporation | Sterling | Horwood #2 | 8,613 | 43132772 |
| 437281 | Jul 17, 1995 | Jul 17, 1995 | Atropos Production Corporation | Sterling | McEntire 22 #3 | 7,600 | 43132798 |
| 437280 | Jul 17, 1995 | Jul 17, 1995 | Atropos Production Corporation | Sterling | McEntire 21 #4 | 7,800 | 43132799 |
| 427898 | Sep 21, 1994 | Sep 21, 1994 | Atropos Production Corporation | Sterling | Horwood #2 | 9,000 | 43132772 |
| 424914 | Jun 21, 1994 | Jun 21, 1994 | Atropos Production Corporation | Sterling | Horwood #1 | 7,900 | 43132757 |
| 409607 | Mar 15, 1993 | Mar 15, 1993 | Atropos Production Corporation | Sterling | Wilkinson 10 #3 | 7,700 | 43132624 |
| 409606 | Mar 15, 1993 | Mar 15, 1993 | Atropos Production Corporation | Sterling | McEntire 15 #4 | 7,700 | 43132623 |
| 408553 | Feb 2, 1993 | Feb 2, 1993 | Atropos Production Corporation | Sterling | McEntire 22 #4 | 7,600 | 43132605 |
| 408551 | Feb 2, 1993 | Feb 2, 1993 | Atropos Production Corporation | Sterling | McEntire 22 #3 | 7,600 | 43132798 |
| 408549 | Feb 2, 1993 | Feb 2, 1993 | Atropos Production Corporation | Sterling | McEntire 16 #4 | 7,750 | 43132811 |
| 408552 | Feb 1, 1993 | Feb 1, 1993 | Atropos Production Corporation | Sterling | McEntire 33 #4 | 7,850 | 43132606 |
| 408548 | Feb 1, 1993 | Feb 1, 1993 | Atropos Production Corporation | Sterling | McEntire 15 #3 | 7,700 | 43132610 |