| 646390 | Oct 18, 2007 | Oct 18, 2007 | Escondido Resources GP, LLC | Dimmit | Briscoe #4 | 6,000 | 12733289 |
| 646378 | Oct 18, 2007 | Oct 18, 2007 | Escondido Resources GP, LLC | Dimmit | Briscoe #7 | 6,000 | 12733296 |
| 646367 | Oct 18, 2007 | Oct 18, 2007 | Escondido Resources GP, LLC | Dimmit | Briscoe #5 | 6,000 | 12733294 |
| 646362 | Oct 18, 2007 | Oct 18, 2007 | Escondido Resources GP, LLC | Dimmit | Briscoe #3 | 6,000 | 12733278 |
| 647290 | Oct 10, 2007 | Oct 10, 2007 | Escondido Resources GP, LLC | La Salle | Winslow #25 | 8,000 | 28332061 |
| 647262 | Oct 9, 2007 | Oct 9, 2007 | Escondido Resources GP, LLC | La Salle | Sonny-Jean #2 | 8,400 | 28332060 |
| 647260 | Oct 9, 2007 | Oct 9, 2007 | Escondido Resources GP, LLC | La Salle | Sonny-Jean #1 | 8,400 | 28332059 |
| 645048 | Oct 3, 2007 | Oct 3, 2007 | Escondido Resources GP, LLC | La Salle | Pryor #14 | 8,000 | 28332057 |
| 646353 | Sep 24, 2007 | Sep 24, 2007 | Escondido Resources GP, LLC | La Salle | Pryor #11 | 8,000 | 28332053 |
| 646351 | Sep 24, 2007 | Sep 24, 2007 | Escondido Resources GP, LLC | La Salle | Ciervo #9 | 8,400 | 28332052 |
| 646350 | Sep 24, 2007 | Sep 24, 2007 | Escondido Resources GP, LLC | La Salle | Ciervo #8 | 8,400 | 28332054 |
| 643808 | Aug 10, 2007 | Aug 10, 2007 | Escondido Resources GP, LLC | La Salle | Paloma #1 | 8,200 | 28332049 |
| 643808Amendment | Aug 10, 2007 | Aug 10, 2007 | Escondido Resources GP, LLC | La Salle | Pinky #1 | 8,200 | 28332049 |
| 640889 | Jun 28, 2007 | Jun 28, 2007 | Escondido Resources GP, LLC | La Salle | Cantina #1 | 8,400 | 28332041 |
| 640888 | Jun 28, 2007 | Jun 28, 2007 | Escondido Resources GP, LLC | Dimmit | Briscoe, Chip A #69 | 8,400 | 12733468 |
| 640887 | Jun 28, 2007 | Jun 28, 2007 | Escondido Resources GP, LLC | Dimmit | Briscoe, Dolph B #68 | 8,400 | 12733467 |
| 640886 | Jun 28, 2007 | Jun 28, 2007 | Escondido Resources GP, LLC | La Salle | Ciervo #7 | 8,400 | 28332042 |
| 639160 | May 21, 2007 | May 21, 2007 | Escondido Resources GP, LLC | La Salle | Chato A #10 | 9,000 | 28332037 |
| 639158 | May 21, 2007 | May 21, 2007 | Escondido Resources GP, LLC | La Salle | Venado #7 | 9,000 | 28332036 |
| 638023 | May 7, 2007 | May 7, 2007 | Escondido Resources GP, LLC | La Salle | Ciervo #6 | 8,400 | 28332031 |
| 638021 | May 7, 2007 | May 7, 2007 | Escondido Resources GP, LLC | La Salle | Venado #6 | 8,400 | 28332028 |
| 636699 | May 7, 2007 | May 7, 2007 | Escondido Resources GP, LLC | La Salle | Chato A #9 | 8,000 | 28332030 |
| 638022 | May 4, 2007 | May 4, 2007 | Escondido Resources GP, LLC | La Salle | Ciervo #5 | 8,400 | 28332029 |
| 637509 | Apr 30, 2007 | Apr 30, 2007 | Escondido Resources GP, LLC | La Salle | Venado #5 | 8,400 | 28332026 |
| 637507 | Apr 26, 2007 | Apr 26, 2007 | Escondido Resources GP, LLC | La Salle | Venado #4 | 8,400 | 28332027 |
| 637249 | Apr 24, 2007 | Apr 24, 2007 | Escondido Resources GP, LLC | La Salle | Venado #3 | 8,400 | 28332025 |
| 637247 | Apr 19, 2007 | Apr 19, 2007 | Escondido Resources GP, LLC | La Salle | Ciervo #4 | 8,400 | 28332024 |
| 636249 | Apr 6, 2007 | Apr 6, 2007 | Escondido Resources GP, LLC | La Salle | Ciervo #3 | 8,400 | 28332018 |
| 634972 | Mar 20, 2007 | Mar 20, 2007 | Escondido Resources GP, LLC | La Salle | Gutierrez A #8R | 8,000 | 28332013 |
| 634968 | Mar 16, 2007 | Mar 16, 2007 | Escondido Resources GP, LLC | La Salle | Pryor #13 | 8,000 | 28332012 |
| 634155 | Mar 2, 2007 | Mar 2, 2007 | Escondido Resources GP, LLC | Dimmit | Briscoe, Dolph B #66 | 6,500 | 12733439 |
| 634154 | Mar 2, 2007 | Mar 2, 2007 | Escondido Resources GP, LLC | Dimmit | Briscoe, Dolph B #65 | 6,500 | 12733438 |
| 634153 | Mar 2, 2007 | Mar 2, 2007 | Escondido Resources GP, LLC | Dimmit | Briscoe, Dolph B #64 | 6,500 | 12733437 |
| 633931 | Feb 26, 2007 | Feb 26, 2007 | Escondido Resources GP, LLC | La Salle | Gutierrez #7R | 8,000 | 28332009 |
| 633928 | Feb 26, 2007 | Feb 26, 2007 | Escondido Resources GP, LLC | La Salle | Venado #2 | 8,400 | 28332008 |
| 633920 | Feb 26, 2007 | Feb 26, 2007 | Escondido Resources GP, LLC | La Salle | Ciervo #2 | 8,400 | 28332007 |
| 631117 | Dec 28, 2006 | Dec 28, 2006 | Escondido Resources GP, LLC | La Salle | Ciervo #1 | 8,000 | 28332002 |
| 631117Amendment | Dec 28, 2006 | Dec 28, 2006 | Escondido Resources GP, LLC | La Salle | Ciervo #1 | 8,400 | 28332002 |
| 631003 | Dec 27, 2006 | Dec 27, 2006 | Escondido Resources GP, LLC | La Salle | Winslow, O. H. #20 | 8,000 | 28332001 |
| 630002 | Dec 5, 2006 | Dec 5, 2006 | Escondido Resources GP, LLC | Dimmit | Dolph Briscoe "B" #62 | 9,000 | 12733419 |
| 626973 | Nov 14, 2006 | Nov 14, 2006 | Escondido Resources GP, LLC | La Salle | Martin, J C #19 | 8,000 | 28331986 |
| 628159 | Nov 6, 2006 | Nov 6, 2006 | Escondido Resources GP, LLC | La Salle | Winslow, OH #19 | 8,000 | 28331998 |
| 628166 | Nov 2, 2006 | Nov 2, 2006 | Escondido Resources GP, LLC | La Salle | Winslow, OH #18 | 8,000 | 28331997 |
| 628164 | Nov 2, 2006 | Nov 2, 2006 | Escondido Resources GP, LLC | La Salle | Stockton #9 | 8,000 | 28331996 |
| 628165 | Oct 31, 2006 | Oct 31, 2006 | Escondido Resources GP, LLC | Dimmit | Briscoe, Dolph E #60 | 6,000 | 12733410 |
| 628162 | Oct 31, 2006 | Oct 31, 2006 | Escondido Resources GP, LLC | Dimmit | Briscoe, Dolph D #59 | 6,000 | 12733409 |
| 627885 | Oct 27, 2006 | Oct 27, 2006 | Escondido Resources GP, LLC | Dimmit | Briscoe, Dolph B #56 | 6,000 | 12733403 |
| 627883 | Oct 27, 2006 | Oct 27, 2006 | Escondido Resources GP, LLC | Dimmit | Briscoe, Dolph C #58 | 6,000 | 12733404 |
| 627882 | Oct 27, 2006 | Oct 27, 2006 | Escondido Resources GP, LLC | Dimmit | Briscoe, Dolph A #57 | 6,000 | 12733405 |
| 628004 | Oct 24, 2006 | Oct 24, 2006 | Escondido Resources GP, LLC | Dimmit | Dolph Briscoe "C" #61 | 9,000 | 12733406 |
| 627950 | Oct 24, 2006 | Oct 24, 2006 | Escondido Resources GP, LLC | La Salle | Fidelity Philadelphia Trust Co #2 | 9,000 | 28331993 |
| 627638 | Oct 24, 2006 | Oct 24, 2006 | Escondido Resources GP, LLC | La Salle | Foster, J Estate #28 | 8,000 | 28331992 |
| 627635 | Oct 24, 2006 | Oct 24, 2006 | Escondido Resources GP, LLC | La Salle | Foster, J Estate #27 | 8,000 | 28331991 |
| 627634 | Oct 24, 2006 | Oct 24, 2006 | Escondido Resources GP, LLC | La Salle | Foster, J Estate #26 | 8,000 | 28331990 |
| 627633 | Oct 24, 2006 | Oct 24, 2006 | Escondido Resources GP, LLC | La Salle | Foster, J Estate #25 | 8,000 | 28331989 |
| 627607 | Oct 17, 2006 | Oct 17, 2006 | Escondido Resources GP, LLC | Dimmit | Dolph Briscoe "B" #55 | 9,000 | 12733402 |
| 627606 | Oct 16, 2006 | Oct 16, 2006 | Escondido Resources GP, LLC | Dimmit | Briscoe, Dolph "B" #54 | 9,000 | 12733401 |
| 626972 | Oct 16, 2006 | Oct 16, 2006 | Escondido Resources GP, LLC | La Salle | Martin, J C #18 | 8,000 | 28331985 |
| 626970 | Oct 16, 2006 | Oct 16, 2006 | Escondido Resources GP, LLC | La Salle | Martin, J C #16 | 8,000 | 28331983 |
| 626971 | Oct 13, 2006 | Oct 13, 2006 | Escondido Resources GP, LLC | La Salle | Martin, J C #17 | 8,000 | 28331984 |
| 627332 | Oct 11, 2006 | Oct 11, 2006 | Escondido Resources GP, LLC | La Salle | Foster, J. Estate #29 | 9,000 | 28331987 |
| 625442 | Sep 27, 2006 | Sep 27, 2006 | Escondido Resources GP, LLC | La Salle | Venado #1 | 8,000 | 28331977 |
| 625442Amendment | Sep 27, 2006 | Sep 27, 2006 | Escondido Resources GP, LLC | La Salle | Venado #1 | 8,400 | 28331977 |
| 625442Amendment | Sep 27, 2006 | Sep 27, 2006 | Escondido Resources GP, LLC | La Salle | Venado #1 | 9,000 | 28331977 |
| 624940 | Sep 19, 2006 | Sep 19, 2006 | Escondido Resources GP, LLC | La Salle | Stockton #8 | 8,000 | 28331974 |
| 624938 | Sep 1, 2006 | Sep 1, 2006 | Escondido Resources GP, LLC | La Salle | Stockton #7 | 8,000 | 28331976 |
| 624936 | Sep 1, 2006 | Sep 1, 2006 | Escondido Resources GP, LLC | La Salle | Stockton #6 | 8,000 | 28331973 |
| 624934 | Aug 29, 2006 | Aug 29, 2006 | Escondido Resources GP, LLC | La Salle | Stockton A #5 | 8,000 | 28331975 |
| 624354 | Aug 21, 2006 | Aug 21, 2006 | Escondido Resources GP, LLC | La Salle | Chato #4 | 8,000 | 28331967 |
| 624352 | Aug 21, 2006 | Aug 21, 2006 | Escondido Resources GP, LLC | La Salle | Chato #7 | 8,000 | 28331969 |
| 624351 | Aug 21, 2006 | Aug 21, 2006 | Escondido Resources GP, LLC | La Salle | Chato #8 | 8,000 | 28331970 |
| 624071 | Aug 9, 2006 | Aug 9, 2006 | Escondido Resources GP, LLC | La Salle | Gutierrez A #6R | 8,000 | 28331966 |
| 624069 | Aug 9, 2006 | Aug 9, 2006 | Escondido Resources GP, LLC | La Salle | Gutierrez #5R | 8,000 | 28331965 |
| 624060 | Aug 9, 2006 | Aug 9, 2006 | Escondido Resources GP, LLC | La Salle | Reeves #5 | 8,000 | 28331964 |
| 623918 | Aug 7, 2006 | Aug 7, 2006 | Escondido Resources GP, LLC | Webb | Fasken B #35 | 7,000 | 47939617 |
| 623917 | Aug 7, 2006 | Aug 7, 2006 | Escondido Resources GP, LLC | Webb | Fasken #34 | 7,000 | 47939616 |
| 623916 | Aug 7, 2006 | Aug 7, 2006 | Escondido Resources GP, LLC | Webb | Fasken #33 | 7,000 | 47939615 |
| 623725 | Aug 2, 2006 | Aug 2, 2006 | Escondido Resources GP, LLC | Webb | Fasken #32 | 7,000 | 47939609 |
| 623442 | Jul 28, 2006 | Jul 28, 2006 | Escondido Resources GP, LLC | Dimmit | Briscoe, Chip "B" #47 | 8,000 | 12733385 |
| 623397 | Jul 28, 2006 | Jul 28, 2006 | Escondido Resources GP, LLC | La Salle | Pryor #9 | 8,000 | 28332152 |
| 623397Amendment | Jul 28, 2006 | Jul 28, 2006 | Escondido Resources GP, LLC | La Salle | Pryor #9 | 8,000 | 28332152 |
| 623395 | Jul 28, 2006 | Jul 28, 2006 | Escondido Resources GP, LLC | La Salle | Pryor #7 | 8,000 | 28331961 |
| 623394 | Jul 28, 2006 | Jul 28, 2006 | Escondido Resources GP, LLC | La Salle | Pryor #6 | 8,000 | 28331960 |
| 623391 | Jul 28, 2006 | Jul 28, 2006 | Escondido Resources GP, LLC | Dimmit | Briscoe, Dolph "D" #50 | 8,000 | 12733384 |
| 623390 | Jul 28, 2006 | Jul 28, 2006 | Escondido Resources GP, LLC | Dimmit | Briscoe, Dolph "C" #49 | 8,000 | 12733383 |
| 623064 | Jul 24, 2006 | Jul 24, 2006 | Escondido Resources GP, LLC | Dimmit | Briscoe, Dolph "E" #53 | 8,000 | 12733380 |
| 623060 | Jul 24, 2006 | Jul 24, 2006 | Escondido Resources GP, LLC | Dimmit | Briscoe, Dolph "A" #52 | 8,000 | 12733379 |
| 622307 | Jul 12, 2006 | Jul 12, 2006 | Escondido Resources GP, LLC | La Salle | Appling #6 | 8,000 | 28331952 |
| 622366 | Jul 11, 2006 | Jul 11, 2006 | Escondido Resources GP, LLC | La Salle | Pryor #5 | 8,000 | 28331954 |
| 622364 | Jul 11, 2006 | Jul 11, 2006 | Escondido Resources GP, LLC | La Salle | Pryor #4 | 8,000 | 28331955 |
| 621965 | Jul 3, 2006 | Jul 3, 2006 | Escondido Resources GP, LLC | Dimmit | Chip Briscoe "A" #46 | 8,000 | 12733369 |
| 621964 | Jul 3, 2006 | Jul 3, 2006 | Escondido Resources GP, LLC | Dimmit | Chip Briscoe "A" #45 | 8,000 | 12733368 |
| 621963 | Jul 3, 2006 | Jul 3, 2006 | Escondido Resources GP, LLC | Dimmit | Chip Briscoe "A" #44 | 8,000 | 12733367 |
| 621224 | Jun 19, 2006 | Jun 19, 2006 | Escondido Resources GP, LLC | Dimmit | Briscoe, Dolph "B" #43 | 8,000 | 12733361 |
| 621221 | Jun 19, 2006 | Jun 19, 2006 | Escondido Resources GP, LLC | Dimmit | Briscoe, Dolph "B" #42 | 8,000 | 12733360 |
| 621014 | Jun 14, 2006 | Jun 14, 2006 | Escondido Resources GP, LLC | Dimmit | Dolph Briscoe "B" #41 | 8,000 | 12733358 |
| 620949 | Jun 14, 2006 | Jun 14, 2006 | Escondido Resources GP, LLC | Dimmit | Dolph Briscoe "A" #40 | 8,000 | 12733357 |
| 619718 | May 31, 2006 | May 31, 2006 | Escondido Resources GP, LLC | Zapata | Benavides #2 | 10,662 | 50535598 |
| 619718Amendment | May 31, 2006 | May 31, 2006 | Escondido Resources GP, LLC | Zapata | Benavides #2 | 12,000 | 50535598 |
| 618920 | May 15, 2006 | May 15, 2006 | Escondido Resources GP, LLC | La Salle | Stockton A #4 | 8,000 | 28331945 |