| 846556 | Nov 7, 2018 | Nov 7, 2018 | Alamo Operating Company, L. C. | La Salle | C N Cooke #7 | 16,000 | 28336554 |
| 796394 | Oct 1, 2014 | Oct 1, 2014 | Alamo Operating Company, L. C. | Refugio | Roche Ranch #2 | 7,500 | 39133125 |
| 796394Amendment | Oct 1, 2014 | Oct 1, 2014 | Alamo Operating Company, L. C. | Refugio | Roche Ranch #2 | 7,500 | 39133125 |
| 780811 | Mar 20, 2014 | Mar 20, 2014 | Alamo Operating Company, L. C. | Zavala | Collier #1 | 5,000 | 50733114 |
| 771076 | Oct 10, 2013 | Oct 10, 2013 | Alamo Operating Company, L. C. | Refugio | W Roche Ranch #1 | 7,500 | 39133083 |
| 765417 | Jun 27, 2013 | Jun 27, 2013 | Alamo Operating Company, L. C. | Zavala | David Holdsworth #6 | 5,000 | 50733021 |
| 765417Amendment | Jun 27, 2013 | Jun 27, 2013 | Alamo Operating Company, L. C. | Zavala | David Holdsworth #6 | 5,000 | 50733021 |
| 762549 | May 22, 2013 | May 22, 2013 | Alamo Operating Company, L. C. | Burleson | Krueger Unit #1 | 7,000 | 05133698 |
| 757368 | Feb 28, 2013 | Feb 28, 2013 | Alamo Operating Company, L. C. | Zavala | David Holdsworth #8 | 5,000 | 50732979 |
| 757368Amendment | Feb 28, 2013 | Feb 28, 2013 | Alamo Operating Company, L. C. | Zavala | David Holdsworth #8E | 5,000 | 50732979 |
| 749298 | Oct 10, 2012 | Oct 10, 2012 | Alamo Operating Company, L. C. | Frio | Baker Brothers #1 | 4,000 | 16333659 |
| 743010 | Jun 22, 2012 | Jun 22, 2012 | Alamo Operating Company, L. C. | Burleson | Schwartz-Galbreath #1HH | 9,450 | 05133708 |
| 741161 | May 31, 2012 | May 31, 2012 | Alamo Operating Company, L. C. | Zavala | Holdsworth, David #7 | 5,000 | 50732906 |
| 740575 | May 21, 2012 | May 21, 2012 | Alamo Operating Company, L. C. | Burleson | Stern #2 | 9,650 | 05131401 |
| 727225 | Oct 31, 2011 | Oct 31, 2011 | Alamo Operating Company, L. C. | Frio | Toalson #1HH | 6,500 | 16333541 |
| 724153 | Sep 16, 2011 | Sep 16, 2011 | Alamo Operating Company, L. C. | McCulloch | M. Price #1 | 1,800 | 30731159 |
| 724154 | Sep 15, 2011 | Sep 15, 2011 | Alamo Operating Company, L. C. | McCulloch | Price, M. #2 | 1,800 | 30731158 |
| 721995 | Aug 12, 2011 | Aug 12, 2011 | Alamo Operating Company, L. C. | Burleson | Krueger Unit #1 | 9,200 | 05133698 |
| 716205 | May 19, 2011 | May 19, 2011 | Alamo Operating Company, L. C. | Frio | Massey Partners #1 | 4,500 | 16333473 |
| 713113 | Apr 11, 2011 | Apr 11, 2011 | Alamo Operating Company, L. C. | Zavala | McMillian #1 | 4,500 | 50732733 |
| 708555 | Jan 25, 2011 | Jan 25, 2011 | Alamo Operating Company, L. C. | Zavala | David Holdsworth #5 | 5,000 | 50732776 |
| 705820 | Nov 23, 2010 | Nov 23, 2010 | Alamo Operating Company, L. C. | Atascosa | JL Resources #1 | 5,500 | 01334328 |
| 696298 | May 28, 2010 | May 28, 2010 | Alamo Operating Company, L. C. | Dimmit | Yolanda Villarreal #1HH | 5,500 | 12733697 |
| 696298Amendment | May 28, 2010 | May 28, 2010 | Alamo Operating Company, L. C. | Dimmit | Yolanda Villarreal #1HH | 5,500 | 12733697 |
| 696298Amendment | May 28, 2010 | May 28, 2010 | Alamo Operating Company, L. C. | Dimmit | Yolanda Villarreal #1HH | 5,500 | 12733697 |
| 688186 | Dec 7, 2009 | Dec 7, 2009 | Alamo Operating Company, L. C. | Colorado | Cook Family Trust #1 | 10,500 | 08932294 |
| 685839 | Oct 13, 2009 | Oct 13, 2009 | Alamo Operating Company, L. C. | Harris | Langham Creek #1 | 7,500 | 20132831 |
| 685396 | Sep 25, 2009 | Sep 25, 2009 | Alamo Operating Company, L. C. | Colorado | Cook Family Trust #1 | 10,500 | 08932294 |
| 684824 | Sep 8, 2009 | Sep 8, 2009 | Alamo Operating Company, L. C. | Brazoria | Scott Unit #1 | 11,600 | 03933031 |
| 682057 | Jun 29, 2009 | Jun 29, 2009 | Alamo Operating Company, L. C. | Colorado | Cook Family Trust #1 | 10,500 | 08932294 |
| 678051 | Feb 4, 2009 | Feb 4, 2009 | Alamo Operating Company, L. C. | Colorado | Morgan-Rabel #1 | 10,000 | 08932603 |
| 674392 | Nov 10, 2008 | Nov 10, 2008 | Alamo Operating Company, L. C. | Zavala | David Holdsworth #1HH | 5,981 | 50732736 |
| 674392Amendment | Nov 10, 2008 | Nov 10, 2008 | Alamo Operating Company, L. C. | Zavala | David Holdsworth #1HH | 6,022 | 50732736 |
| 669631 | Sep 10, 2008 | Sep 10, 2008 | Alamo Operating Company, L. C. | Zavala | Lindsey #2 | 4,500 | 50732733 |
| 667752 | Aug 13, 2008 | Aug 13, 2008 | Alamo Operating Company, L. C. | Zavala | David Holdsworth #3 | 4,500 | 50732732 |
| 664126 | Jun 26, 2008 | Jun 26, 2008 | Alamo Operating Company, L. C. | La Salle | Martindale #1 | 6,560 | 28332011 |
| 663033 | Jun 16, 2008 | Jun 16, 2008 | Alamo Operating Company, L. C. | Trinity | Cameron Minerals Trust #2 | 10,500 | 45530498 |
| 663033Amendment | Jun 16, 2008 | Jun 16, 2008 | Alamo Operating Company, L. C. | Trinity | Cameron Minerals Trust #2 | 10,500 | 45530498 |
| 658666 | Apr 16, 2008 | Apr 16, 2008 | Alamo Operating Company, L. C. | Zavala | Lindsey #1 | 4,500 | 50732722 |
| 655918 | Mar 4, 2008 | Mar 4, 2008 | Alamo Operating Company, L. C. | Zavala | Holdsworth, David #4 | 5,000 | 50732720 |
| 650887 | Dec 28, 2007 | Dec 28, 2007 | Alamo Operating Company, L. C. | Frio | Williamson #1 | 6,000 | 16333358 |
| 639068 | Jun 25, 2007 | Jun 25, 2007 | Alamo Operating Company, L. C. | La Salle | Cooke Ranch #2 | 8,176 | 28331836 |
| 636934 | Apr 17, 2007 | Apr 17, 2007 | Alamo Operating Company, L. C. | Frio | Medina SWD #1 | 5,775 | 16330189 |
| 635549 | Mar 27, 2007 | Mar 27, 2007 | Alamo Operating Company, L. C. | Zavala | Holdsworth, David #2 | 4,750 | 50732707 |
| 634462 | Mar 7, 2007 | Mar 7, 2007 | Alamo Operating Company, L. C. | La Salle | Martindale #1 | 7,500 | 28332011 |
| 626807 | Oct 2, 2006 | Oct 2, 2006 | Alamo Operating Company, L. C. | La Salle | House #2 | 11,600 | 28331980 |
| 625180 | Sep 12, 2006 | Sep 12, 2006 | Alamo Operating Company, L. C. | De Witt | Regina T. P. C. #1 | 15,100 | 12332115 |
| 624592 | Aug 28, 2006 | Aug 28, 2006 | Alamo Operating Company, L. C. | Trinity | Cameron Minerals Trust #1 | 11,200 | 45530491 |
| 624592Amendment | Aug 28, 2006 | Aug 28, 2006 | Alamo Operating Company, L. C. | Trinity | Cameron Minerals Trust #1 | 11,200 | 45530491 |
| 624315 | Aug 21, 2006 | Aug 21, 2006 | Alamo Operating Company, L. C. | Zavala | Mathis, Ted #2 | 5,200 | 50732697 |
| 624308 | Aug 21, 2006 | Aug 21, 2006 | Alamo Operating Company, L. C. | Zavala | Mathis, Ted #1 | 5,200 | 50732698 |
| 623914Amendment | Aug 7, 2006 | Aug 7, 2006 | Alamo Operating Company, L. C. | Jim Wells | Embleton #1 | 6,450 | 24932494 |
| 623162 | Aug 1, 2006 | Aug 1, 2006 | Alamo Operating Company, L. C. | La Salle | Cooke #5 | 8,000 | 28331959 |
| 622814 | Jul 24, 2006 | Jul 24, 2006 | Alamo Operating Company, L. C. | La Salle | Cooke #4 | 8,000 | 28331958 |
| 622964 | Jul 20, 2006 | Jul 20, 2006 | Alamo Operating Company, L. C. | Zavala | Holdsworth, David #1 | 5,400 | 50732694 |
| 622598 | Jul 14, 2006 | Jul 14, 2006 | Alamo Operating Company, L. C. | La Salle | Cartwright #2 | 8,000 | 28331956 |
| 622598Amendment | Jul 14, 2006 | Jul 14, 2006 | Alamo Operating Company, L. C. | La Salle | Cartwright #2 | 8,000 | 28331956 |
| 619234 | May 19, 2006 | May 19, 2006 | Alamo Operating Company, L. C. | Wilson | Rakowitz #1 | 3,000 | 49332532 |
| 618124 | May 1, 2006 | May 1, 2006 | Alamo Operating Company, L. C. | Live Oak | Cartwright, H. #1 | 6,000 | 29734680 |
| 617714 | Apr 24, 2006 | Apr 24, 2006 | Alamo Operating Company, L. C. | Duval | Los Orcones Ranch #1 | 4,500 | 13138873 |
| 615351 | Mar 15, 2006 | Mar 15, 2006 | Alamo Operating Company, L. C. | McMullen | Hundley, Charles #4 | 6,500 | 31133895 |
| 614777 | Mar 1, 2006 | Mar 1, 2006 | Alamo Operating Company, L. C. | McMullen | Hundely, Charles #2 | 6,500 | 31133892 |
| 613124 | Jan 27, 2006 | Jan 27, 2006 | Alamo Operating Company, L. C. | La Salle | Bellows #1 | 8,500 | 28331928 |
| 613125 | Jan 26, 2006 | Jan 26, 2006 | Alamo Operating Company, L. C. | La Salle | Bellows #2 | 8,500 | 28331929 |
| 613125Amendment | Jan 26, 2006 | Jan 26, 2006 | Alamo Operating Company, L. C. | La Salle | Bellows #2 | 8,500 | 28331929 |
| 612511 | Jan 17, 2006 | Jan 17, 2006 | Alamo Operating Company, L. C. | La Salle | Cartwright #1 | 7,000 | 28331925 |
| 612511Amendment | Jan 17, 2006 | Jan 17, 2006 | Alamo Operating Company, L. C. | La Salle | Cartwright #1 | 7,000 | 28331925 |
| 611671 | Dec 28, 2005 | Dec 28, 2005 | Alamo Operating Company, L. C. | Calhoun | Anico #1 | 4,200 | 05731716 |
| 610880 | Dec 12, 2005 | Dec 12, 2005 | Alamo Operating Company, L. C. | La Salle | House #1 | 6,200 | 28331918 |
| 610880Amendment | Dec 12, 2005 | Dec 12, 2005 | Alamo Operating Company, L. C. | La Salle | House #1 | 7,000 | 28331918 |
| 610038 | Nov 28, 2005 | Nov 28, 2005 | Alamo Operating Company, L. C. | Live Oak | Brysch - Skoruppa #1 | 6,700 | 29734656 |
| 609826 | Nov 21, 2005 | Nov 21, 2005 | Alamo Operating Company, L. C. | Harris | Teg-J. & D. George #1 | 8,100 | 20132747 |
| 609826Amendment | Nov 21, 2005 | Nov 21, 2005 | Alamo Operating Company, L. C. | Harris | Teg-J. & D. George #1ST | 8,100 | 20132747 |
| 608215 | Oct 20, 2005 | Oct 20, 2005 | Alamo Operating Company, L. C. | McMullen | Dusek #1R | 8,000 | 31133858 |
| 607026 | Sep 28, 2005 | Sep 28, 2005 | Alamo Operating Company, L. C. | McMullen | Hundley, Charles #1 | 6,500 | 31133850 |
| 604747 | Aug 10, 2005 | Aug 10, 2005 | Alamo Operating Company, L. C. | McMullen | Dusek #1 | 8,000 | 31133838 |
| 601669 | Jun 6, 2005 | Jun 6, 2005 | Alamo Operating Company, L. C. | La Salle | Cooke #3 | 18,000 | 28331889 |
| 601669Amendment | Jun 6, 2005 | Jun 6, 2005 | Alamo Operating Company, L. C. | La Salle | Cooke #3 | 18,000 | 28331889 |
| 561177 | Apr 27, 2005 | Apr 27, 2005 | Alamo Operating Company, L. C. | Frio | Voss 'C' #1 HH | 5,795 | 16332822 |
| 558902 | Mar 11, 2005 | Mar 11, 2005 | Alamo Operating Company, L. C. | Goliad | Lewis "A" #2 | 13,500 | 17533747 |
| 558902Amendment | Mar 11, 2005 | Mar 11, 2005 | Alamo Operating Company, L. C. | Goliad | Lewis "A" #2 | 13,500 | 17533747 |
| 555939Amendment | Jan 10, 2005 | Jan 10, 2005 | Alamo Operating Company, L. C. | Starr | Diaz #6 | 6,000 | 42733803 |
| 554896 | Dec 15, 2004 | Dec 15, 2004 | Alamo Operating Company, L. C. | Frio | Bennett #1 | 6,600 | 16332771 |
| 554896Amendment | Dec 15, 2004 | Dec 15, 2004 | Alamo Operating Company, L. C. | Frio | Bennett #1HH | 6,600 | 16332771 |
| 554896Amendment | Dec 15, 2004 | Dec 15, 2004 | Alamo Operating Company, L. C. | Frio | Bennett #1 HH | 7,050 | 16332771 |
| 552358 | Oct 15, 2004 | Oct 15, 2004 | Alamo Operating Company, L. C. | Fort Bend | Teg-Bunting #1 | 8,500 | 15732314 |
| 550834Amendment | Oct 7, 2004 | Oct 7, 2004 | Alamo Operating Company, L. C. | Harris | Landa Gas Unit #1 | 8,490 | 20132699 |
| 544108Amendment | Apr 8, 2004 | Apr 8, 2004 | Alamo Operating Company, L. C. | Jim Wells | Winters-Modesett #1 | 7,400 | 24932455 |
| 531159 | Apr 25, 2003 | Apr 25, 2003 | Alamo Operating Company, L. C. | Zavala | Zachman A #1 | 5,000 | 50732639 |