| 560858 | Apr 25, 2005 | Apr 25, 2005 | Peak Operating of Texas, LLC | Hemphill | Vise, John C #1452 | 14,400 | 21133284 |
| 560857 | Apr 25, 2005 | Apr 25, 2005 | Peak Operating of Texas, LLC | Hemphill | Vise, John C #1352 | 14,400 | 21133285 |
| 560856 | Apr 25, 2005 | Apr 25, 2005 | Peak Operating of Texas, LLC | Hemphill | Vise, John C #1252 | 14,400 | 21133286 |
| 560855 | Apr 25, 2005 | Apr 25, 2005 | Peak Operating of Texas, LLC | Wheeler | Frye #1012 | 15,400 | 48331864 |
| 560855Amendment | Apr 25, 2005 | Apr 25, 2005 | Peak Operating of Texas, LLC | Wheeler | Frye #1412 | 15,400 | 48331864 |
| 560907 | Apr 22, 2005 | Apr 22, 2005 | Peak Operating of Texas, LLC | Hemphill | Dixon, Irene #6048 A | 13,100 | 21133291 |
| 560906 | Apr 22, 2005 | Apr 22, 2005 | Peak Operating of Texas, LLC | Hemphill | Vise, John C #2052 A | 14,400 | 21133290 |
| 560904 | Apr 22, 2005 | Apr 22, 2005 | Peak Operating of Texas, LLC | Hemphill | Vise, John C #6052 A | 14,400 | 21133289 |
| 560901 | Apr 22, 2005 | Apr 22, 2005 | Peak Operating of Texas, LLC | Hemphill | Walser #2030 A | 13,300 | 21133288 |
| 560898 | Apr 22, 2005 | Apr 22, 2005 | Peak Operating of Texas, LLC | Hemphill | Peak-Walser #5029 A | 13,300 | 21133287 |
| 560463 | Apr 15, 2005 | Apr 15, 2005 | Peak Operating of Texas, LLC | Hemphill | Peak-Walser #8029 | 13,500 | 21133280 |
| 560388 | Apr 14, 2005 | Apr 14, 2005 | Peak Operating of Texas, LLC | Hemphill | Vise, John C #1152 | 14,500 | 21133279 |
| 558682Amendment | Apr 14, 2005 | Apr 14, 2005 | Peak Operating of Texas, LLC | Wheeler | Frye #1010 | 15,200 | 48331832 |
| 557535Amendment | Apr 5, 2005 | Apr 5, 2005 | Peak Operating of Texas, LLC | Hemphill | Vise, John C #1052 | 14,400 | 21133223 |
| 559615 | Mar 30, 2005 | Mar 30, 2005 | Peak Operating of Texas, LLC | Hemphill | Dodd #3046 | 14,000 | 21133272 |
| 559557 | Mar 29, 2005 | Mar 29, 2005 | Peak Operating of Texas, LLC | Wheeler | Frye #3012 | 15,000 | 48331846 |
| 559142 | Mar 21, 2005 | Mar 21, 2005 | Peak Operating of Texas, LLC | Hemphill | Peak-Walser #5030 | 13,100 | 21133257 |
| 555960 | Mar 10, 2005 | Mar 10, 2005 | Peak Operating of Texas, LLC | Hemphill | Newcomer #5049 | 12,850 | 21133181 |
| 558682 | Mar 9, 2005 | Mar 9, 2005 | Peak Operating of Texas, LLC | Wheeler | Frye #1010 | 14,900 | 48331832 |
| 558682Amendment | Mar 9, 2005 | Mar 9, 2005 | Peak Operating of Texas, LLC | Wheeler | Frye #1010 | 14,900 | 48331832 |
| 558550 | Mar 8, 2005 | Mar 8, 2005 | Peak Operating of Texas, LLC | Hemphill | Peak-Walser #1230 | 13,300 | 21133248 |
| 556092 | Mar 3, 2005 | Mar 3, 2005 | Peak Operating of Texas, LLC | Hemphill | Jones, W. S. & E. C. #5 | 12,800 | 21133200 |
| 555962 | Mar 3, 2005 | Mar 3, 2005 | Peak Operating of Texas, LLC | Hemphill | Crane, Dorothy #4050 | 12,850 | 21133180 |
| 555961 | Mar 3, 2005 | Mar 3, 2005 | Peak Operating of Texas, LLC | Hemphill | Crane, Dorothy #5050 | 12,800 | 21133179 |
| 557807 | Feb 17, 2005 | Feb 17, 2005 | Peak Operating of Texas, LLC | Hemphill | Peak-Bourassa #307 | 12,300 | 21133226 |
| 557535 | Feb 11, 2005 | Feb 11, 2005 | Peak Operating of Texas, LLC | Hemphill | Vise, John C #1052 | 12,600 | 21133223 |
| 557535Amendment | Feb 11, 2005 | Feb 11, 2005 | Peak Operating of Texas, LLC | Hemphill | Vise, John C #1052 | 12,600 | 21133223 |
| 556303 | Feb 11, 2005 | Feb 11, 2005 | Peak Operating of Texas, LLC | Hemphill | Gracie -121- #7 | 8,500 | 21133192 |
| 556302 | Feb 11, 2005 | Feb 11, 2005 | Peak Operating of Texas, LLC | Hemphill | Gracie -121- #6 | 8,500 | 21133191 |
| 556301 | Feb 11, 2005 | Feb 11, 2005 | Peak Operating of Texas, LLC | Hemphill | Gracie -121- #5 | 8,500 | 21133190 |
| 556070 | Feb 9, 2005 | Feb 9, 2005 | Peak Operating of Texas, LLC | Hemphill | Wright -123- #10 | 8,500 | 21133187 |
| 556069 | Feb 9, 2005 | Feb 9, 2005 | Peak Operating of Texas, LLC | Hemphill | Wright -123- #9 | 8,500 | 21133186 |
| 556003 | Feb 3, 2005 | Feb 3, 2005 | Peak Operating of Texas, LLC | Hemphill | Wright -122- #10 | 8,500 | 21133183 |
| 556002 | Feb 3, 2005 | Feb 3, 2005 | Peak Operating of Texas, LLC | Hemphill | Wright -122- #11 | 8,500 | 21133184 |
| 555996 | Feb 3, 2005 | Feb 3, 2005 | Peak Operating of Texas, LLC | Hemphill | Wright -122- #9 | 8,500 | 21133182 |
| 556447 | Jan 28, 2005 | Jan 28, 2005 | Peak Operating of Texas, LLC | Hemphill | Peak-Walser #6029 | 12,960 | 21133197 |
| 556317 | Jan 21, 2005 | Jan 21, 2005 | Peak Operating of Texas, LLC | Hemphill | Peak-Walser #8030 | 13,150 | 21133194 |
| 556068 | Jan 12, 2005 | Jan 12, 2005 | Peak Operating of Texas, LLC | Hemphill | Wright -123- #8 | 8,500 | 21133185 |
| 555660 | Jan 7, 2005 | Jan 7, 2005 | Peak Operating of Texas, LLC | Hood | Bratten Ranch #10 | 5,300 | 22130991 |
| 555660Amendment | Jan 7, 2005 | Jan 7, 2005 | Peak Operating of Texas, LLC | Hood | Bratten Ranch #10H | 5,300 | 22130991 |
| 555035 | Dec 20, 2004 | Dec 20, 2004 | Peak Operating of Texas, LLC | Hemphill | Peak-Walser #5029 | 12,960 | 21133169 |
| 555034 | Dec 20, 2004 | Dec 20, 2004 | Peak Operating of Texas, LLC | Wheeler | Helton #4060 | 14,000 | 48331806 |
| 554615 | Dec 10, 2004 | Dec 10, 2004 | Peak Operating of Texas, LLC | Hemphill | Wright 123 #7 | 8,000 | 21133158 |
| 553015 | Dec 8, 2004 | Dec 8, 2004 | Peak Operating of Texas, LLC | Hemphill | Newcomer #3049 | 12,850 | 21133093 |
| 554300 | Dec 6, 2004 | Dec 6, 2004 | Peak Operating of Texas, LLC | Hemphill | Wright 122 #8 | 8,000 | 21133156 |
| 551983 | Dec 6, 2004 | Dec 6, 2004 | Peak Operating of Texas, LLC | Hemphill | Crane, Dorothy #3050 | 12,800 | 21133094 |
| 551981 | Nov 24, 2004 | Nov 24, 2004 | Peak Operating of Texas, LLC | Hemphill | Newcomer #4049 | 12,850 | 21133092 |
| 553801 | Nov 22, 2004 | Nov 22, 2004 | Peak Operating of Texas, LLC | Wheeler | Austin #2055 | 13,800 | 48331785 |
| 553801Amendment | Nov 22, 2004 | Nov 22, 2004 | Peak Operating of Texas, LLC | Wheeler | Austin #2055 | 14,200 | 48331785 |
| 553149Amendment | Nov 15, 2004 | Nov 15, 2004 | Peak Operating of Texas, LLC | Hemphill | Wright 123 #6 | 8,000 | 21133126 |
| 553144Amendment | Nov 10, 2004 | Nov 10, 2004 | Peak Operating of Texas, LLC | Wheeler | Finsterwald-Dobbs #4051 | 14,200 | 48331780 |
| 553142Amendment | Nov 10, 2004 | Nov 10, 2004 | Peak Operating of Texas, LLC | Wheeler | Finsterwald-Dobbs #5051 | 14,200 | 48331779 |
| 553149 | Nov 5, 2004 | Nov 5, 2004 | Peak Operating of Texas, LLC | Hemphill | Wright 123 #6 | 8,000 | 21133126 |
| 552946Amendment | Nov 4, 2004 | Nov 4, 2004 | Peak Operating of Texas, LLC | Hemphill | Wright 122 #7 | 8,000 | 21133119 |
| 553144 | Nov 3, 2004 | Nov 3, 2004 | Peak Operating of Texas, LLC | Wheeler | Finsterwald-Dobbs #4051 | 14,200 | 48331780 |
| 553142 | Nov 3, 2004 | Nov 3, 2004 | Peak Operating of Texas, LLC | Wheeler | Finsterwald-Dobbs #5051 | 14,200 | 48331779 |
| 552947 | Nov 1, 2004 | Nov 1, 2004 | Peak Operating of Texas, LLC | Hemphill | Thomas #2047 | 13,300 | 21133120 |
| 552946 | Nov 1, 2004 | Nov 1, 2004 | Peak Operating of Texas, LLC | Hemphill | Wright 122 #7 | 8,000 | 21133119 |
| 552945 | Nov 1, 2004 | Nov 1, 2004 | Peak Operating of Texas, LLC | Wheeler | Helton #3060 | 14,200 | 48331778 |
| 552941 | Nov 1, 2004 | Nov 1, 2004 | Peak Operating of Texas, LLC | Hemphill | Peak-Walser #4029 | 13,250 | 21133118 |
| 552805 | Oct 26, 2004 | Oct 26, 2004 | Peak Operating of Texas, LLC | Hemphill | L.A. Johnson #9059 | 12,500 | 21133115 |
| 552721 | Oct 26, 2004 | Oct 26, 2004 | Peak Operating of Texas, LLC | Hemphill | Peak-Walser #4030 | 13,150 | 21133112 |
| 551660Amendment | Oct 22, 2004 | Oct 22, 2004 | Peak Operating of Texas, LLC | Hemphill | Walser #2030 | 13,300 | 21133088 |
| 551225Amendment | Oct 21, 2004 | Oct 21, 2004 | Peak Operating of Texas, LLC | Hemphill | Peak-Walser #3030 | 13,300 | 21133081 |
| 552504 | Oct 20, 2004 | Oct 20, 2004 | Peak Operating of Texas, LLC | Hemphill | Irene Dixon #4048 | 13,200 | 21133106 |
| 551982 | Oct 11, 2004 | Oct 11, 2004 | Peak Operating of Texas, LLC | Hemphill | Newcomer #3049 | 12,850 | 21133093 |
| 551747 | Oct 4, 2004 | Oct 4, 2004 | Peak Operating of Texas, LLC | Wheeler | Frye #1012 | 14,800 | 48331771 |
| 551660 | Sep 30, 2004 | Sep 30, 2004 | Peak Operating of Texas, LLC | Hemphill | Walser #2030 | 13,300 | 21133088 |
| 550891Amendment | Sep 30, 2004 | Sep 30, 2004 | Peak Operating of Texas, LLC | Wheeler | Helton #2060 | 14,150 | 48331754 |
| 551225 | Sep 20, 2004 | Sep 20, 2004 | Peak Operating of Texas, LLC | Hemphill | Peak-Walser #3030 | 13,300 | 21133081 |
| 551142 | Sep 20, 2004 | Sep 20, 2004 | Peak Operating of Texas, LLC | Hemphill | Irene Dixon #3048 | 13,200 | 21133080 |
| 551141 | Sep 20, 2004 | Sep 20, 2004 | Peak Operating of Texas, LLC | Hemphill | L.A. Johnson #1359 | 12,500 | 21133079 |
| 551141Amendment | Sep 20, 2004 | Sep 20, 2004 | Peak Operating of Texas, LLC | Hemphill | L.A. Johnson #1359 | 12,500 | 21133079 |
| 551140 | Sep 20, 2004 | Sep 20, 2004 | Peak Operating of Texas, LLC | Hemphill | Gracie 4 #121 | 8,000 | 21133078 |
| 550953 | Sep 16, 2004 | Sep 16, 2004 | Peak Operating of Texas, LLC | Hemphill | Peak-Bourassa #106 | 12,200 | 21133071 |
| 550945 | Sep 16, 2004 | Sep 16, 2004 | Peak Operating of Texas, LLC | Hemphill | Irene Dixon #2048 | 13,200 | 21133070 |
| 550891 | Sep 15, 2004 | Sep 15, 2004 | Peak Operating of Texas, LLC | Wheeler | Helton #2060 | 12,900 | 48331754 |
| 550557 | Sep 8, 2004 | Sep 8, 2004 | Peak Operating of Texas, LLC | Hemphill | Barker #1153 | 12,500 | 21133067 |
| 550235 | Aug 30, 2004 | Aug 30, 2004 | Peak Operating of Texas, LLC | Hemphill | L.A. Johnson #8059 | 12,500 | 21133060 |
| 550171 | Aug 30, 2004 | Aug 30, 2004 | Peak Operating of Texas, LLC | Hemphill | Vise, John C #5052 | 12,500 | 21133059 |
| 550171Amendment | Aug 30, 2004 | Aug 30, 2004 | Peak Operating of Texas, LLC | Hemphill | Vise, John C #5052 | 13,800 | 21133059 |
| 550078 | Aug 27, 2004 | Aug 27, 2004 | Peak Operating of Texas, LLC | Hemphill | Vise, John C #8052 | 15,000 | 21133058 |
| 550078Amendment | Aug 27, 2004 | Aug 27, 2004 | Peak Operating of Texas, LLC | Hemphill | Vise, John C #8052 | 15,000 | 21133058 |
| 549848 | Aug 25, 2004 | Aug 25, 2004 | Peak Operating of Texas, LLC | Hemphill | Peak-Walser #3029 | 12,960 | 21133056 |
| 549535 | Aug 12, 2004 | Aug 12, 2004 | Peak Operating of Texas, LLC | Ochiltree | Courson #2 | 7,500 | 35732417 |
| 549440 | Aug 11, 2004 | Aug 11, 2004 | Peak Operating of Texas, LLC | Hemphill | Thomas SWD #1048 | 5,144 | 21133048 |
| 549439 | Aug 11, 2004 | Aug 11, 2004 | Peak Operating of Texas, LLC | Hemphill | Vise SWD #1052 | 5,368 | 21133049 |
| 549266 | Aug 6, 2004 | Aug 6, 2004 | Peak Operating of Texas, LLC | Lipscomb | Barton Estates #5378 | 8,350 | 29532791 |
| 549146 | Aug 4, 2004 | Aug 4, 2004 | Peak Operating of Texas, LLC | Lipscomb | Barton Estates #6378 | 8,350 | 29532789 |
| 549145 | Aug 4, 2004 | Aug 4, 2004 | Peak Operating of Texas, LLC | Hemphill | Barker #1253 | 12,400 | 21133046 |
| 549144 | Aug 4, 2004 | Aug 4, 2004 | Peak Operating of Texas, LLC | Hemphill | Barker #8053 | 12,400 | 21133045 |
| 549080 | Aug 3, 2004 | Aug 3, 2004 | Peak Operating of Texas, LLC | Hemphill | Vise, John C. #7052 | 12,400 | 21133043 |
| 549076 | Aug 3, 2004 | Aug 3, 2004 | Peak Operating of Texas, LLC | Hemphill | Vise, John C. #6052 | 12,400 | 21133044 |
| 549026 | Aug 2, 2004 | Aug 2, 2004 | Peak Operating of Texas, LLC | Hemphill | Walser #2029 | 12,450 | 21133040 |
| 547393 | Jun 24, 2004 | Jun 24, 2004 | Peak Operating of Texas, LLC | Wheeler | Finsterwald #1051 | 12,400 | 48331704 |
| 547386 | Jun 24, 2004 | Jun 24, 2004 | Peak Operating of Texas, LLC | Hemphill | Johnson, L A #7059 | 12,300 | 21133018 |
| 546328 | Jun 1, 2004 | Jun 1, 2004 | Peak Operating of Texas, LLC | Wheeler | Frye #2029 | 14,000 | 48331699 |
| 545218 | May 3, 2004 | May 3, 2004 | Peak Operating of Texas, LLC | Hemphill | Barker #9053 | 13,000 | 21132984 |
| 545217 | May 3, 2004 | May 3, 2004 | Peak Operating of Texas, LLC | Hemphill | Johnson, L.A. #5059 | 13,000 | 21132983 |
| 545216 | May 3, 2004 | May 3, 2004 | Peak Operating of Texas, LLC | Hemphill | Barker #1053 | 13,000 | 21132982 |