| 666967 | Aug 6, 2008 | Aug 6, 2008 | Threshold Development Company | Wise | Pup Huddleston #1 | 8,000 | 49736603 |
| 558434 | Mar 2, 2005 | Mar 2, 2005 | Threshold Development Co. | Wise | Rolling V Ranch "B" #2 | 4,450 | 49735798 |
| 558433 | Mar 2, 2005 | Mar 2, 2005 | Threshold Development Co. | Wise | Rolling V Ranch "B" #1 | 4,450 | 49735799 |
| 557970 | Feb 18, 2005 | Feb 18, 2005 | Threshold Development Co. | Wise | Rolling V Ranch "E" #2 | 5,770 | 49735793 |
| 557970Amendment | Feb 18, 2005 | Feb 18, 2005 | Threshold Development Co. | Wise | Rolling V Ranch "E" #2 | 5,770 | 49735793 |
| 557969 | Feb 18, 2005 | Feb 18, 2005 | Threshold Development Co. | Wise | Rolling V Ranch "G" #1 | 4,500 | 49735792 |
| 557969Amendment | Feb 18, 2005 | Feb 18, 2005 | Threshold Development Co. | Wise | Rolling V Ranch "G" #1 | 4,500 | 49735792 |
| 556894 | Jan 27, 2005 | Jan 27, 2005 | Threshold Development Co. | Wise | Rolling V Ranch #1E | 5,770 | 49735774 |
| 556894Amendment | Jan 27, 2005 | Jan 27, 2005 | Threshold Development Co. | Wise | Rolling V Ranch E #1 | 5,770 | 49735774 |
| 556891 | Jan 27, 2005 | Jan 27, 2005 | Threshold Development Co. | Wise | Rolling V Ranch #1A | 4,450 | 49735773 |
| 556891Amendment | Jan 27, 2005 | Jan 27, 2005 | Threshold Development Co. | Wise | Rolling V Ranch "A" #1 | 4,452 | 49735773 |
| 548895 | Jul 29, 2004 | Jul 29, 2004 | Threshold Development Co. | Jack | Henderson, Monroe #1 | 5,200 | 23738720 |
| 544068 | Apr 5, 2004 | Apr 5, 2004 | Threshold Development Co. | Jack | Sedillo #1 | 5,200 | 23738682 |
| 534420 | Sep 17, 2003 | Sep 17, 2003 | Threshold Development Co. | Jack | Henderson, Monroe #2 | 5,200 | 23738730 |
| 532304 | May 23, 2003 | May 23, 2003 | Threshold Development Co. | Jack | Perkins, Melinda #1 | 5,200 | 23738719 |
| 532303 | May 23, 2003 | May 23, 2003 | Threshold Development Co. | Jack | Henderson, Monroe #1 | 5,200 | 23738720 |
| 532168 | May 20, 2003 | May 20, 2003 | Threshold Development Co. | Jack | Turner #1 | 4,999 | 23738715 |
| 529516 | Mar 12, 2003 | Mar 12, 2003 | Threshold Development Co. | Wise | Vinson Fee "G" #8 | 8,000 | 49735222 |
| 529345 | Mar 7, 2003 | Mar 7, 2003 | Threshold Development Co. | Wise | Vinson Fee "E" #6 | 8,000 | 49735217 |
| 529031 | Feb 28, 2003 | Feb 28, 2003 | Threshold Development Co. | Wise | Vinson Fee "E" #8 | 8,000 | 49735208 |
| 528983 | Feb 27, 2003 | Feb 27, 2003 | Threshold Development Co. | Wise | Huddleston Trust #6 | 8,000 | 49735206 |
| 528783 | Feb 21, 2003 | Feb 21, 2003 | Threshold Development Co. | Wise | Vinson Fee "G" #16 | 8,000 | 49735197 |
| 528510 | Feb 14, 2003 | Feb 14, 2003 | Threshold Development Co. | Wise | Vinson Fee "E" #7 | 8,000 | 49735191 |
| 526414 | Dec 16, 2002 | Dec 16, 2002 | Threshold Development Co. | Wise | Todd-Vinson #1 | 8,000 | 49735154 |
| 525101 | Oct 30, 2002 | Oct 30, 2002 | Threshold Development Co. | Wise | Vinson Fee "G" #5 | 8,000 | 49735121 |
| 525100 | Oct 30, 2002 | Oct 30, 2002 | Threshold Development Co. | Wise | Vinson Fee "G"" #3 | 8,000 | 49735122 |
| 525099 | Oct 30, 2002 | Oct 30, 2002 | Threshold Development Co. | Wise | Vinson Fee "G"" #7 | 8,000 | 49735123 |
| 525098 | Oct 30, 2002 | Oct 30, 2002 | Threshold Development Co. | Wise | Vinson Fee "G" #6 | 8,000 | 49735124 |
| 524995 | Oct 25, 2002 | Oct 25, 2002 | Threshold Development Co. | Wise | Vinson Fee "H" #3 | 8,000 | 49735116 |
| 524413 | Oct 7, 2002 | Oct 7, 2002 | Threshold Development Co. | Wise | Vinson Fee "E" #4 | 8,000 | 49735101 |
| 523902 | Sep 20, 2002 | Sep 20, 2002 | Threshold Development Co. | Wise | Vinson Fee "E" #5 | 8,000 | 49735088 |
| 522660 | Sep 3, 2002 | Sep 3, 2002 | Threshold Development Company | Jack | Harding, Conrad #1 | 4,000 | 23738683 |
| 523123 | Aug 26, 2002 | Aug 26, 2002 | Threshold Development Co. | Wise | Vinson Fee "H" #5 | 8,000 | 49735057 |
| 522661 | Aug 9, 2002 | Aug 9, 2002 | Threshold Development Co. | Hockley | Sewell #1 | 8,000 | 21936672 |
| 522659 | Aug 9, 2002 | Aug 9, 2002 | Threshold Development Co. | Jack | Sedillo #1 | 5,200 | 23738682 |
| 522162 | Jul 24, 2002 | Jul 24, 2002 | Threshold Development Co. | Wise | Huddleston Trust #4 | 8,000 | 49735041 |
| 522161 | Jul 24, 2002 | Jul 24, 2002 | Threshold Development Co. | Wise | Huddleston Trust #3 | 8,000 | 49735040 |
| 521905 | Jul 16, 2002 | Jul 16, 2002 | Threshold Development Co. | Archer | Scott-Campbell "A" #2 | 5,300 | 00941140 |
| 521180 | Jun 19, 2002 | Jun 19, 2002 | Threshold Development Co. | Wise | Vinson Fee "H" #2 | 8,000 | 49735014 |
| 521179 | Jun 19, 2002 | Jun 19, 2002 | Threshold Development Co. | Wise | Vinson Fee "G" #4 | 8,000 | 49735013 |
| 519919 | May 10, 2002 | May 10, 2002 | Threshold Development Co. | Wise | Vinson Fee "G" #1 | 8,000 | 49734966 |
| 519918 | May 10, 2002 | May 10, 2002 | Threshold Development Co. | Wise | Vinson Fee "E" #3 | 8,000 | 49734965 |
| 519917 | May 10, 2002 | May 10, 2002 | Threshold Development Co. | Wise | Vinson Fee "E" #2 | 8,000 | 49734964 |
| 519410 | Apr 24, 2002 | Apr 24, 2002 | Threshold Development Co. | Wise | Vinson Fee "H" #1 | 8,000 | 49734952 |
| 519132 | Apr 15, 2002 | Apr 15, 2002 | Threshold Development Co. | Wise | Huddleston Trust #2 | 8,000 | 49734937 |
| 518745 | Apr 2, 2002 | Apr 2, 2002 | Threshold Development Co. | Wise | Huddleston Trust #1 | 8,000 | 49734920 |
| 518618 | Mar 27, 2002 | Mar 27, 2002 | Threshold Development Co. | Hockley | Downs, Thelma #1 | 8,000 | 21936646 |
| 518618Amendment | Mar 27, 2002 | Mar 27, 2002 | Threshold Development Co. | Hockley | Downs, Thelma #1 | 8,000 | 21936646 |
| 518452 | Mar 20, 2002 | Mar 20, 2002 | Threshold Development Co. | Wise | Vison Fee "D" #1 #1 | 8,000 | 49734917 |
| 518144 | Mar 7, 2002 | Mar 7, 2002 | Threshold Development Co. | Wise | Vinson Fee "G" #2 | 8,000 | 49734907 |
| 517801 | Feb 21, 2002 | Feb 21, 2002 | Threshold Development Co. | Wise | Vinson Fee "F" #1 | 8,000 | 49734890 |
| 517525 | Feb 11, 2002 | Feb 11, 2002 | Threshold Development Co. | Wise | Vinson Fee "E" #1 | 8,000 | 49734887 |
| 517000 | Jan 22, 2002 | Jan 22, 2002 | Threshold Development Co. | Wise | Vinson Fee "C" #2 | 8,000 | 49734853 |
| 516461 | Dec 27, 2001 | Dec 27, 2001 | Threshold Development Co. | Wise | Todd, JO Lerue #1 | 8,000 | 49734841 |
| 514571 | Oct 23, 2001 | Oct 23, 2001 | Threshold Development Co. | Tarrant | Sampson, Jack #5 | 8,000 | 43930269 |
| 514570 | Oct 23, 2001 | Oct 23, 2001 | Threshold Development Co. | Tarrant | Sampson, Jack #4 | 8,000 | 43930268 |
| 514569 | Oct 23, 2001 | Oct 23, 2001 | Threshold Development Co. | Tarrant | Sampson, Jack #3 | 8,000 | 43930267 |
| 514568 | Oct 23, 2001 | Oct 23, 2001 | Threshold Development Co. | Tarrant | Sampson, Jack #2 | 8,000 | 43930266 |
| 514338 | Oct 9, 2001 | Oct 9, 2001 | Threshold Development Co. | Tarrant | Sampson, Jack #1 | 8,000 | 43930264 |
| 512972 | Aug 24, 2001 | Aug 24, 2001 | Threshold Development Co. | Wise | Vinson Fee "C" #1 | 8,000 | 49734755 |
| 512720 | Aug 17, 2001 | Aug 17, 2001 | Threshold Development Co. | Wise | Lipsey-Troxell #1 Unit #1 | 8,000 | 49734747 |
| 511820 | Jul 25, 2001 | Jul 25, 2001 | Threshold Development Co. | Tarrant | Nance, Sonny #3 | 8,000 | 43930231 |
| 510773 | Jun 26, 2001 | Jun 26, 2001 | Threshold Development Co. | Wise | Vinson Fee "B" #2 | 8,000 | 49734717 |
| 510772 | Jun 26, 2001 | Jun 26, 2001 | Threshold Development Co. | Wise | Vinson Fee "B" #3 | 8,000 | 49734716 |
| 509862 | Jun 5, 2001 | Jun 5, 2001 | Threshold Development Co. | Wise | Vinson Fee "B" #1 | 8,000 | 49734701 |
| 507828 | Apr 23, 2001 | Apr 23, 2001 | Threshold Development Co. | Wise | Vinson Fee "A" #1 | 8,000 | 49734675 |
| 507646 | Apr 10, 2001 | Apr 10, 2001 | Threshold Development Co. | Tarrant | Nance, Sonny #1 | 8,000 | 43930199 |
| 507637 | Apr 10, 2001 | Apr 10, 2001 | Threshold Development Co. | Tarrant | Nance, Sonny #2 | 8,000 | 43930198 |
| 507637Amendment | Apr 10, 2001 | Apr 10, 2001 | Threshold Development Co. | Tarrant | Nance, Sonny #2 | 8,000 | 43930198 |
| 494245 | Apr 20, 2000 | Apr 20, 2000 | Threshold Development Co. | Jack | Crowley #1 | 5,800 | 23738539 |
| 494147 | Apr 19, 2000 | Apr 19, 2000 | Threshold Development Co. | Jack | Crowley #2 | 5,800 | 23738537 |
| 494147Amendment | Apr 19, 2000 | Apr 19, 2000 | Threshold Development Co. | Jack | Crowley #2 | 5,800 | 23738537 |
| 494049 | Apr 19, 2000 | Apr 19, 2000 | Threshold Development Co. | Jack | Emco #1 | 5,800 | 23738536 |
| 494047 | Apr 18, 2000 | Apr 18, 2000 | Threshold Development Co. | Jack | Johnson #1 | 5,000 | 23738535 |
| 494047Amendment | Apr 18, 2000 | Apr 18, 2000 | Threshold Development Co. | Jack | Johnson #1 | 5,250 | 23738535 |
| 475775 | May 4, 1998 | May 4, 1998 | Threshold Development Co. | Jack | Yates, I. G. #35D | 4,990 | 23738376 |
| 475774 | May 4, 1998 | May 4, 1998 | Threshold Development Co. | Jack | Yates, I. G. #34D | 4,990 | 23738375 |
| 465355 | Sep 9, 1997 | Sep 9, 1997 | Threshold Development Co. | Archer | Scott-Campbell #1 | 5,300 | 00941137 |
| 466105 | Aug 26, 1997 | Aug 26, 1997 | Threshold Development Co. | Archer | Scott-Campbell "A" #2 | 5,300 | 00941140 |
| 466447 | Aug 20, 1997 | Aug 20, 1997 | Threshold Development Co. | Jack | Fayette Yates #22D | 4,850 | 23738302 |
| 466409 | Aug 20, 1997 | Aug 20, 1997 | Threshold Development Co. | Archer | West Key #A 1 | 5,300 | 00941141 |
| 465723 | Aug 6, 1997 | Aug 6, 1997 | Threshold Development Co. | Wise | Fancher #6D | 5,800 | 49734186 |
| 465293 | Jul 29, 1997 | Jul 29, 1997 | Threshold Development Co. | Archer | Key #1 | 5,300 | 00941136 |
| 465109 | Jul 24, 1997 | Jul 24, 1997 | Threshold Development Co. | Jack | Fayette Yates #21D | 5,900 | 23738299 |
| 465108 | Jul 24, 1997 | Jul 24, 1997 | Threshold Development Co. | Jack | Yates, Billie #19D | 4,900 | 23738298 |
| 464786 | Jul 17, 1997 | Jul 17, 1997 | Threshold Development Co. | Jack | Jolly Unit #1 | 4,999 | 23738297 |
| 464786Amendment | Jul 17, 1997 | Jul 17, 1997 | Threshold Development Co. | Jack | Jolly Unit #1 | 4,999 | 23738297 |
| 461639 | Apr 29, 1997 | Apr 29, 1997 | Threshold Development Co. | Jack | Fayette Yates #20D | 4,850 | 23738280 |
| 461205 | Apr 17, 1997 | Apr 17, 1997 | Threshold Development Co. | Jack | Yates, Billie #16D | 5,800 | 23738274 |
| 461205Amendment | Apr 17, 1997 | Apr 17, 1997 | Threshold Development Co. | Jack | Yates, Billie #16D | 5,800 | 23738274 |
| 460317 | Mar 25, 1997 | Mar 25, 1997 | Threshold Development Co. | Jack | Fayette Yates #16D | 5,500 | 23738248 |
| 460316 | Mar 25, 1997 | Mar 25, 1997 | Threshold Development Co. | Jack | Yates, Fayette #15D | 6,000 | 23738178 |
| 460025 | Mar 24, 1997 | Mar 24, 1997 | Threshold Development Co. | Jack | Fayette Yates #19D | 5,000 | 23738264 |
| 459235 | Mar 4, 1997 | Mar 4, 1997 | Threshold Development Co. | Jack | Fayette Yates #18D | 5,000 | 23738258 |
| 459235Amendment | Mar 4, 1997 | Mar 4, 1997 | Threshold Development Co. | Jack | Fayette Yates #18D | 5,000 | 23738258 |
| 458185 | Feb 5, 1997 | Feb 5, 1997 | Threshold Development Co. | Jack | Fayette Yates #17D | 5,000 | 23738250 |
| 458185Amendment | Feb 5, 1997 | Feb 5, 1997 | Threshold Development Co. | Jack | Fayette Yates #17D | 5,000 | 23738250 |
| 458185Amendment | Feb 5, 1997 | Feb 5, 1997 | Threshold Development Co. | Jack | Fayette Yates #17D | 5,000 | 23738250 |
| 457654 | Jan 22, 1997 | Jan 22, 1997 | Threshold Development Co. | Jack | Fayette Yates #16D | 5,500 | 23738248 |
| 456502 | Dec 23, 1996 | Dec 23, 1996 | Threshold Development Co. | Jack | Fayette Yates #10 | 5,907 | 23702596 |