| 640897 | Jun 28, 2007 | Jun 28, 2007 | St. Mary Land & Exploration Co. | Upton | Judy #2405 | 11,000 | 46135380 |
| 640374 | Jun 15, 2007 | Jun 15, 2007 | St. Mary Land & Exploration Co. | Midland | Julibeth #1307 | 11,000 | 32935766 |
| 640373 | Jun 15, 2007 | Jun 15, 2007 | St. Mary Land & Exploration Co. | Midland | Julibeth #1306 | 11,000 | 32935765 |
| 640368 | Jun 15, 2007 | Jun 15, 2007 | St. Mary Land & Exploration Co. | Midland | Julibeth #1305 | 11,000 | 32935764 |
| 640361 | Jun 15, 2007 | Jun 15, 2007 | St. Mary Land & Exploration Co. | Midland | Julibeth #1302 | 11,000 | 32935763 |
| 639751 | Jun 4, 2007 | Jun 4, 2007 | St. Mary Land & Exploration Co. | Limestone | Wilson #16 | 8,000 | 29331965 |
| 637973 | May 30, 2007 | May 30, 2007 | St. Mary Land & Exploration Co. | Upton | Dorcus #1906 | 11,000 | 46135365 |
| 639223Amendment | May 25, 2007 | May 25, 2007 | St. Mary Land & Exploration Co. | Webb | Brask State 1846 #8 | 5,800 | 47939848 |
| 639180 | May 22, 2007 | May 22, 2007 | St. Mary Land & Exploration Co. | Upton | CVX #4104 | 11,000 | 46135364 |
| 639007 | May 22, 2007 | May 22, 2007 | St. Mary Land & Exploration Co. | San Augustine | Oglesbee #1HH | 8,000 | 40530200 |
| 637227 | May 22, 2007 | May 22, 2007 | St. Mary Land & Exploration Co. | Upton | Jamie #4006 | 11,000 | 46135352 |
| 637227Amendment | May 22, 2007 | May 22, 2007 | St. Mary Land & Exploration Co. | Upton | Jamie #4006 | 11,000 | 46135352 |
| 639018 | May 19, 2007 | May 19, 2007 | St. Mary Land & Exploration Co. | Limestone | Keris #12 | 8,000 | 29331953 |
| 637621 | May 18, 2007 | May 18, 2007 | St. Mary Land & Exploration Co. | Upton | Dorcus #1907 | 11,000 | 46135355 |
| 637218 | May 18, 2007 | May 18, 2007 | St. Mary Land & Exploration Co. | Upton | Jamie #4005 | 11,000 | 46135351 |
| 638537 | May 16, 2007 | May 16, 2007 | St. Mary Land & Exploration Co. | Nacogdoches | Middlebrook Unit #1HH | 9,500 | 34732548 |
| 638058 | May 8, 2007 | May 8, 2007 | St. Mary Land & Exploration Co. | Upton | CVX #4103 | 11,000 | 46135349 |
| 638050 | May 8, 2007 | May 8, 2007 | St. Mary Land & Exploration Co. | Upton | CVX #3306 | 11,000 | 46135348 |
| 638048 | May 8, 2007 | May 8, 2007 | St. Mary Land & Exploration Co. | Upton | CVX #3307 | 11,000 | 46135347 |
| 638045 | May 8, 2007 | May 8, 2007 | St. Mary Land & Exploration Co. | Upton | Dorcus #4204 | 11,000 | 46135346 |
| 638040 | May 8, 2007 | May 8, 2007 | St. Mary Land & Exploration Co. | Upton | Caitlin #2807 | 11,000 | 46135345 |
| 638035 | May 8, 2007 | May 8, 2007 | St. Mary Land & Exploration Co. | Upton | Caitlin #2805 | 11,000 | 46135344 |
| 637616 | May 8, 2007 | May 8, 2007 | St. Mary Land & Exploration Co. | Midland | Dorcus #1905 | 11,000 | 32935736 |
| 637209 | Apr 30, 2007 | Apr 30, 2007 | St. Mary Land & Exploration Co. | Midland | Janey #1802 | 11,000 | 32935725 |
| 637300 | Apr 25, 2007 | Apr 25, 2007 | St. Mary Land & Exploration Co. | Panola | Richardson Gas Unit A #3 | 11,000 | 36536622 |
| 637216 | Apr 23, 2007 | Apr 23, 2007 | St. Mary Land & Exploration Co. | Upton | Jamie #4008 | 11,000 | 46135338 |
| 637205 | Apr 23, 2007 | Apr 23, 2007 | St. Mary Land & Exploration Co. | Midland | Janey #1807 | 11,000 | 32935724 |
| 637200 | Apr 23, 2007 | Apr 23, 2007 | St. Mary Land & Exploration Co. | Midland | Janey #1801 | 11,000 | 32935722 |
| 636984 | Apr 17, 2007 | Apr 17, 2007 | St. Mary Land & Exploration Co. | Shelby | Lawson #1HH | 7,000 | 41931149 |
| 636984Amendment | Apr 17, 2007 | Apr 17, 2007 | St. Mary Land & Exploration Co. | Shelby | Lawson #1HH | 7,000 | 41931149 |
| 635883 | Apr 9, 2007 | Apr 9, 2007 | St. Mary Land & Exploration Co. | Midland | Janey #1808 | 11,000 | 32935703 |
| 635878 | Apr 2, 2007 | Apr 2, 2007 | St. Mary Land & Exploration Co. | Upton | Jamie #4007 | 11,000 | 46135314 |
| 633653 | Feb 20, 2007 | Feb 20, 2007 | St. Mary Land & Exploration Co. | Panola | Osborne Gas Unit #3 | 10,500 | 36536514 |
| 633648 | Feb 20, 2007 | Feb 20, 2007 | St. Mary Land & Exploration Co. | Panola | Ola Carter Gas Unit #3 | 10,500 | 36536513 |
| 633646 | Feb 20, 2007 | Feb 20, 2007 | St. Mary Land & Exploration Co. | Trinity | Mary Richards #1HH | 9,500 | 45530493 |
| 632928 | Feb 7, 2007 | Feb 7, 2007 | St. Mary Land & Exploration Co. | Cooke | Burrell #3 | 9,000 | 09733868 |
| 632546 | Jan 29, 2007 | Jan 29, 2007 | St. Mary Land & Exploration Co. | Trinity | Mary Spring #1HH | 9,000 | 45530492 |
| 631207 | Jan 5, 2007 | Jan 5, 2007 | St. Mary Land & Exploration Co. | San Augustine | Smith, George F. #1HH | 8,000 | 40530196 |
| 631207Amendment | Jan 5, 2007 | Jan 5, 2007 | St. Mary Land & Exploration Co. | San Augustine | Smith, George F. #1HH | 8,000 | 40530196 |
| 626133 | Oct 20, 2006 | Oct 20, 2006 | St. Mary Land & Exploration Co. | Galveston | St 236/237 Unit #1 | 11,200 | 16731441 |
| 626133Amendment | Oct 20, 2006 | Oct 20, 2006 | St. Mary Land & Exploration Co. | Galveston | St 236/237 Unit #1 | 11,200 | 16731441 |
| 627570 | Oct 16, 2006 | Oct 16, 2006 | St. Mary Land & Exploration Co. | Limestone | White #15 | 8,500 | 29331878 |
| 624667 | Aug 22, 2006 | Aug 22, 2006 | St. Mary Land & Exploration Co. | Trinity | Childress, A. W. #1 | 9,725 | 45530295 |
| 620793 | Jun 13, 2006 | Jun 13, 2006 | St. Mary Land & Exploration Co. | Limestone | White #10 | 9,400 | 29331278 |
| 620793Amendment | Jun 13, 2006 | Jun 13, 2006 | St. Mary Land & Exploration Co. | Limestone | White #10 | 9,400 | 29331278 |
| 620793Amendment | Jun 13, 2006 | Jun 13, 2006 | St. Mary Land & Exploration Co. | Limestone | White #10 | 9,450 | 29331278 |
| 620004Amendment | Jun 2, 2006 | Jun 2, 2006 | St. Mary Land & Exploration Co. | Webb | Petty Ranch #905 | 5,800 | 47939537 |
| 619640 | May 22, 2006 | May 22, 2006 | St. Mary Land & Exploration Co. | Limestone | White #4 | 9,380 | 29331186 |
| 619640Amendment | May 22, 2006 | May 22, 2006 | St. Mary Land & Exploration Co. | Limestone | White #4 | 9,380 | 29331186 |
| 619640Amendment | May 22, 2006 | May 22, 2006 | St. Mary Land & Exploration Co. | Limestone | White #4 | 9,380 | 29331186 |
| 615887 | Mar 15, 2006 | Mar 15, 2006 | St. Mary Land & Exploration Co. | Trinity | Kenley #1HH | 15,777 | 45530489 |
| 612735 | Feb 1, 2006 | Feb 1, 2006 | St. Mary Land & Exploration Co. | Galveston | State Tract 130A #1 | 12,500 | 16731423 |
| 611585 | Jan 5, 2006 | Jan 5, 2006 | St. Mary Land & Exploration Co. | Henderson | Jackson, W. L. #1 | 9,500 | 21330900 |
| 603933 | Oct 24, 2005 | Oct 24, 2005 | St. Mary Land & Exploration Co. | Limestone | White #13 | 8,080 | 29331424 |
| 603933Amendment | Oct 24, 2005 | Oct 24, 2005 | St. Mary Land & Exploration Co. | Limestone | White #13 | 8,080 | 29331424 |
| 606057 | Sep 12, 2005 | Sep 12, 2005 | St. Mary Land & Exploration Co. | Galveston | State Tract 345 #1 | 14,000 | 16731418 |
| 606057Amendment | Sep 12, 2005 | Sep 12, 2005 | St. Mary Land & Exploration Co. | Galveston | State Tract 345 #1 | 14,000 | 16731418 |
| 604448 | Aug 4, 2005 | Aug 4, 2005 | St. Mary Land & Exploration Co. | Shelby | Pate #2 | 9,500 | 41931024 |
| 604448Amendment | Aug 4, 2005 | Aug 4, 2005 | St. Mary Land & Exploration Co. | Shelby | Pate #2 | 9,000 | 41931024 |
| 604440 | Aug 4, 2005 | Aug 4, 2005 | St. Mary Land & Exploration Co. | Rusk | Sheppard #1HH | 8,350 | 40133633 |
| 604374 | Aug 4, 2005 | Aug 4, 2005 | St. Mary Land & Exploration Co. | Rusk | Lowe 1H Unit #1H | 8,273 | 40133631 |
| 604374Amendment | Aug 4, 2005 | Aug 4, 2005 | St. Mary Land & Exploration Co. | Rusk | Lowe 1H Unit #1H | 8,273 | 40133631 |
| 601600 | Jun 3, 2005 | Jun 3, 2005 | St. Mary Land & Exploration Co. | Rusk | McCauley #1 | 9,250 | 40133584 |
| 601547 | Jun 3, 2005 | Jun 3, 2005 | St. Mary Land & Exploration Co. | Rusk | Griffin #1 | 9,250 | 40133581 |
| 600136 | May 4, 2005 | May 4, 2005 | St. Mary Land & Exploration Co. | Shelby | Pate #1 | 9,500 | 41931012 |
| 600136Amendment | May 4, 2005 | May 4, 2005 | St. Mary Land & Exploration Co. | Shelby | Pate #1 | 9,550 | 41931012 |
| 560585 | Apr 15, 2005 | Apr 15, 2005 | St. Mary Land & Exploration Co. | Limestone | Keris #11 | 9,500 | 29331677 |
| 560584 | Apr 15, 2005 | Apr 15, 2005 | St. Mary Land & Exploration Co. | Limestone | Keris #8 | 9,500 | 29331676 |
| 556870 | Mar 14, 2005 | Mar 14, 2005 | St. Mary Land & Exploration Co. | Limestone | Wilson #15 | 7,350 | 29331653 |
| 556018 | Jan 11, 2005 | Jan 11, 2005 | St. Mary Land & Exploration Co. | Limestone | Keris #10 | 9,550 | 29331646 |
| 556018Amendment | Jan 11, 2005 | Jan 11, 2005 | St. Mary Land & Exploration Co. | Limestone | Keris #10 | 9,550 | 29331646 |
| 547516 | Jun 28, 2004 | Jun 28, 2004 | St. Mary Land & Exploration Co. | Shelby | U. S. A. #9 HH | 6,200 | 41930948 |
| 547289 | Jun 22, 2004 | Jun 22, 2004 | St. Mary Land & Exploration Co. | Rusk | Richey 1H Unit #1H | 8,500 | 40133370 |
| 545791 | May 21, 2004 | May 21, 2004 | St. Mary Land & Exploration Co. | Limestone | Reagan Estate #3 | 6,100 | 29331583 |
| 539374 | Dec 5, 2003 | Dec 5, 2003 | St. Mary Land & Exploration Co. | Shelby | U. S. A. #8HH | 6,200 | 41930894 |
| 539374Amendment | Dec 5, 2003 | Dec 5, 2003 | St. Mary Land & Exploration Co. | Shelby | U. S. A. #8HH | 6,200 | 41930894 |
| 538529 | Nov 12, 2003 | Nov 12, 2003 | St. Mary Land & Exploration Co. | Shelby | U.S.A. #7HH | 6,200 | 41930893 |
| 535239 | Aug 22, 2003 | Aug 22, 2003 | St. Mary Land & Exploration Co. | Pecos | Bleakley #1 | 10,600 | 37130912 |
| 534553 | Jul 29, 2003 | Jul 29, 2003 | St. Mary Land & Exploration Co. | Shelby | U. S. A. #6HH | 6,200 | 41930871 |
| 534553Amendment | Jul 29, 2003 | Jul 29, 2003 | St. Mary Land & Exploration Co. | Shelby | U.S.A. #6HH | 6,200 | 41930871 |
| 534552 | Jul 29, 2003 | Jul 29, 2003 | St. Mary Land & Exploration Co. | Shelby | U. S. A. #5HH | 6,200 | 41930870 |
| 534552Amendment | Jul 29, 2003 | Jul 29, 2003 | St. Mary Land & Exploration Co. | Shelby | U. S. A. #5HH | 6,200 | 41930870 |
| 533593 | Jul 2, 2003 | Jul 2, 2003 | St. Mary Land & Exploration Co. | Limestone | Reagan Estate #1 | 9,400 | 29331365 |
| 533523Amendment | Jun 26, 2003 | Jun 26, 2003 | Marathon Oil Company | Shelby | Weeks #1HH | 14,200 | 41930865 |
| 530728 | Apr 14, 2003 | Apr 14, 2003 | St. Mary Land & Exploration Co. | Wood | McWhirter #1 | 10,650 | 49931995 |
| 530728Amendment | Apr 14, 2003 | Apr 14, 2003 | St. Mary Land & Exploration Co. | Wood | McWhirter #1 | 10,650 | 49931995 |
| 530246 | Apr 2, 2003 | Apr 2, 2003 | St. Mary Land & Exploration Co. | Shelby | U. S. A. #4HH | 6,500 | 41930849 |
| 530246Amendment | Apr 2, 2003 | Apr 2, 2003 | St. Mary Land & Exploration Co. | Shelby | U. S. A. #4HH | 6,500 | 41930849 |
| 530246Amendment | Apr 2, 2003 | Apr 2, 2003 | St. Mary Land & Exploration Co. | Shelby | U. S. A. #4HH | 6,500 | 41930849 |
| 529366Amendment | Mar 10, 2003 | Mar 10, 2003 | St. Mary Land & Exploration Co. | Webb | Briscoe "J" #14 | 6,500 | 47938358 |
| 529280 | Mar 6, 2003 | Mar 6, 2003 | St. Mary Land & Exploration Co. | Shelby | U. S. A. #3HH | 6,200 | 41930846 |
| 529280Amendment | Mar 6, 2003 | Mar 6, 2003 | St. Mary Land & Exploration Co. | Shelby | U. S. A. #3HH | 6,200 | 41930846 |
| 529280Amendment | Mar 6, 2003 | Mar 6, 2003 | St. Mary Land & Exploration Co. | Shelby | U. S. A. #3HH | 6,200 | 41930846 |
| 525563 | Nov 15, 2002 | Nov 15, 2002 | St. Mary Land & Exploration Co. | Shelby | U. S. A. #2HH | 6,500 | 41930839 |
| 525069 | Oct 29, 2002 | Oct 29, 2002 | St. Mary Land & Exploration Co. | Anderson | Ives, Robert M., Jr. #1 | 10,700 | 00132399 |
| 521648 | Jul 29, 2002 | Jul 29, 2002 | St. Mary Land & Exploration Co. | Limestone | Keris #9 | 8,350 | 29331455 |
| 519931 | May 17, 2002 | May 17, 2002 | St. Mary Land & Exploration Co. | Limestone | Nicholas #1 | 8,710 | 29331300 |
| 512510 | Aug 31, 2001 | Aug 31, 2001 | St. Mary Land & Exploration Co. | Limestone | Reagan Estate #2 | 9,400 | 29331434 |
| 512510Amendment | Aug 31, 2001 | Aug 31, 2001 | St. Mary Land & Exploration Co. | Limestone | Reagan Estate #2 | 9,400 | 29331434 |
| 510293 | Jun 22, 2001 | Jun 22, 2001 | St. Mary Land & Exploration Co. | Limestone | White #14 | 9,450 | 29331423 |