| 741048 | May 30, 2012 | May 30, 2012 | Linc Gulf Coast Petroleum, Inc. | Nelda C. Stark Foundation #01 | 4,000 | 36130931 |
| 740140 | May 17, 2012 | May 17, 2012 | Samson Exploration, LLC | Alexander #3 | 14,800 | 36130929 |
| 739849 | May 15, 2012 | May 15, 2012 | Century Exploration Houston, LLC | MVP A-376 #1 | 12,100 | 36130928 |
| 738468 | May 1, 2012 | May 1, 2012 | Samson Exploration, LLC | Sokolski GU #3 | 12,950 | 36130899 |
| 735237 | Apr 30, 2012 | Apr 30, 2012 | Samson Exploration, LLC | LB A-263 #1 | 15,000 | 36130925 |
| 737251 | Apr 16, 2012 | Apr 16, 2012 | Ballard Exploration Company,inc. | Hawk Club #1 | 11,500 | 36130927 |
| 735744 | Mar 22, 2012 | Mar 22, 2012 | Century Exploration Houston, LLC | MVP A-82 #1 | 12,000 | 36130926 |
| 734982 | Mar 16, 2012 | Mar 16, 2012 | Samson Exploration, LLC | LB A-724 #1 | 15,000 | 36130924 |
| 733258 | Feb 16, 2012 | Feb 16, 2012 | Magnum Producing, LP | Olympia Royalty #1 | 9,900 | 36130923 |
| 731853 | Jan 25, 2012 | Jan 25, 2012 | Marquee Corporation | Blackstone #1 | 8,000 | 36130922 |
| 731132 | Jan 20, 2012 | Jan 20, 2012 | Samson Lone Star, LLC | Hartburg SWD #1 | 7,000 | 36130921 |
| 728799 | Nov 29, 2011 | Nov 29, 2011 | Samson Lone Star, LLC | Williams A-436 #1 | 14,500 | 36130920 |
| 726398 | Oct 19, 2011 | Oct 19, 2011 | Samson Lone Star, LLC | Quinn A-195 #1 | 14,650 | 36130919 |
| 724861 | Sep 26, 2011 | Sep 26, 2011 | Samson Lone Star, LLC | Sokolski GU #2 | 12,925 | 36130893 |
| 721851 | Aug 15, 2011 | Aug 15, 2011 | Samson Lone Star, LLC | Lindsey-Bledsoe #4 | 15,000 | 36130918 |
| 718984 | Jun 24, 2011 | Jun 24, 2011 | Century Exploration Houston, Inc | Keith Davis #1 | 14,000 | 36130917 |
| 718984Amendment | Jun 24, 2011 | Jun 24, 2011 | Century Exploration Houston, LLC | Keith Davis #1 | 14,000 | 36130917 |
| 714628 | Apr 29, 2011 | Apr 29, 2011 | Samson Lone Star, LLC | Hannah #3 | 15,800 | 36130916 |
| 714640 | Apr 26, 2011 | Apr 26, 2011 | Samson Lone Star, LLC | Stark Foundation A-113 #1 | 15,700 | 36130915 |
| 714283 | Apr 19, 2011 | Apr 19, 2011 | Lake Ronel Oil Company | Port of Orange-Riverside #1 | 10,800 | 36130914 |
| 711166 | Mar 3, 2011 | Mar 3, 2011 | Petrodome Operating, LLC | Donner - Brown #1 | 16,500 | 36130913 |
| 711003 | Mar 1, 2011 | Mar 1, 2011 | Samson Lone Star, LLC | Lindsey-Bledsoe #3 | 14,500 | 36130912 |
| 711003Amendment | Mar 1, 2011 | Mar 1, 2011 | Samson Lone Star, LLC | Lindsey-Bledsoe #3 | 14,500 | 36130912 |
| 710073 | Feb 21, 2011 | Feb 21, 2011 | Magnum Producing, LP | Tortoris et Al #1 | 9,000 | 36130911 |
| 706123 | Dec 3, 2010 | Dec 3, 2010 | Drillmar Operating Company | McKee #1 | 10,500 | 36130910 |
| 705450 | Nov 22, 2010 | Nov 22, 2010 | Hilcorp Energy Company | Mil-Vid #2ST | 13,500 | 36130609 |
| 702381 | Sep 24, 2010 | Sep 24, 2010 | Samson Lone Star, LLC | BP America A-116 #1 | 19,000 | 36130909 |
| 699639 | Jul 28, 2010 | Jul 28, 2010 | Hilcorp Energy Company | Williams #2ST | 14,000 | 36130664 |
| 697681 | Jun 21, 2010 | Jun 21, 2010 | Samson Lone Star, LLC | Black Stone-Horizon #1 | 19,500 | 36130908 |
| 697596 | Jun 17, 2010 | Jun 17, 2010 | Samson Lone Star, LLC | BP America A-5 #1 | 16,000 | 36130907 |
| 696437 | May 26, 2010 | May 26, 2010 | Samson Lone Star, LLC | Alexander #2 | 14,500 | 36130906 |
| 696437Amendment | May 26, 2010 | May 26, 2010 | Samson Lone Star, LLC | Alexander #2 | 14,500 | 36130906 |
| 695537 | May 7, 2010 | May 7, 2010 | Fairways Exploration & Prod, LLC | Alec #1 | 10,000 | 36130905 |
| 694969 | Apr 26, 2010 | Apr 26, 2010 | Samson Lone Star, LLC | Lindsey-Bledsoe A-143 #1 | 14,500 | 36130904 |
| 694759 | Apr 21, 2010 | Apr 21, 2010 | Walter Oil & Gas Corporation | State Tract 2 #1 | 13,000 | 36130903 |
| 694480 | Apr 20, 2010 | Apr 20, 2010 | Hilcorp Energy Company | Sampson-Clark GU 2 #1ST | 14,000 | 36130628 |
| 693938 | Apr 9, 2010 | Apr 9, 2010 | Tamarind Investments, LLC | Tamarind-Corbett #1 | 8,300 | 36130902 |
| 693460 | Apr 6, 2010 | Apr 6, 2010 | Duncan Oil, Inc. | South Peveto #1 | 9,650 | 36130901 |
| 693460Amendment | Apr 6, 2010 | Apr 6, 2010 | Duncan Oil, Inc. | South Peveto #1 | 9,650 | 36130901 |
| 693534 | Mar 26, 2010 | Mar 26, 2010 | Benchmark Oil & Gas Company | Cormier Family Trust #1 | 4,800 | 36130900 |
| 693534Amendment | Mar 26, 2010 | Mar 26, 2010 | Benchmark Oil & Gas Company | Cormier Family Trust #1 | 6,000 | 36130900 |
| 693084 | Mar 19, 2010 | Mar 19, 2010 | Samson Lone Star, LLC | Lindsey-Bledsoe #2 | 13,500 | 36130899 |
| 691460 | Feb 19, 2010 | Feb 19, 2010 | Hilcorp Energy Company | Champion International #1 | 16,017 | 36130622 |
| 690864 | Feb 11, 2010 | Feb 11, 2010 | Samson Lone Star, LLC | Donner Properties #1 | 13,500 | 36130898 |
| 690864Amendment | Feb 11, 2010 | Feb 11, 2010 | Samson Lone Star, LLC | Donner Properties #1 | 13,500 | 36130898 |
| 690883 | Feb 9, 2010 | Feb 9, 2010 | Duncan Oil, Inc. | Harris #1 | 10,000 | 36130897 |
| 690883Amendment | Feb 9, 2010 | Feb 9, 2010 | Duncan Oil, Inc. | Harris #1 | 10,000 | 36130897 |
| 690509 | Feb 2, 2010 | Feb 2, 2010 | Kaiser-Francis Oil Company | Mil-Vid #1ST | 13,300 | 36130600 |
| 689996 | Jan 26, 2010 | Jan 26, 2010 | Lake Ronel Oil Company | St. Francis #1 | 10,800 | 36130896 |
| 689975 | Jan 20, 2010 | Jan 20, 2010 | Lake Ronel Oil Company | Dupont #2 | 10,500 | 36130895 |
| 689039 | Dec 28, 2009 | Dec 28, 2009 | Benchmark Oil & Gas Company | Olsen-Edgar Unit #1 | 5,200 | 36130894 |
| 688781 | Dec 17, 2009 | Dec 17, 2009 | Samson Lone Star, LLC | Lindsey-Bledsoe #1 | 13,500 | 36130893 |
| 688326 | Dec 9, 2009 | Dec 9, 2009 | Fairways Exploration & Prod, LLC | Lemonville #1 | 14,250 | 36130892 |
| 688326Amendment | Dec 9, 2009 | Dec 9, 2009 | Fairways Exploration & Prod, LLC | Lemonville #1 | 14,250 | 36130892 |
| 688326Amendment | Dec 9, 2009 | Dec 9, 2009 | Fairways Exploration & Prod, LLC | Lemonville #1 | 15,000 | 36130892 |
| 688221 | Dec 7, 2009 | Dec 7, 2009 | XTO Energy Inc. | Port of Orange SWD #1 | 6,000 | 36130891 |
| 688221Amendment | Dec 7, 2009 | Dec 7, 2009 | XTO Energy Inc. | Port of Orange-Riverside #1SW | 5,500 | 36130891 |
| 686617 | Oct 28, 2009 | Oct 28, 2009 | Kaiser-Francis Oil Company | Mil-Vid #12 | 13,700 | 36130890 |
| 686617Amendment | Oct 28, 2009 | Oct 28, 2009 | Kaiser-Francis Oil Company | Mil-Vid #12 | 13,700 | 36130890 |
| 682307 | Oct 21, 2009 | Oct 21, 2009 | Jil Oil Corp. | Arco Fee 99 Unit #1 | 6,552 | 36130340 |
| 686010 | Oct 12, 2009 | Oct 12, 2009 | Lake Ronel Oil Company | Dupont #1 | 10,800 | 36130889 |
| 686010Amendment | Oct 12, 2009 | Oct 12, 2009 | Lake Ronel Oil Company | Dupont #1 | 10,800 | 36130889 |
| 685940 | Oct 8, 2009 | Oct 8, 2009 | Fairways Exploration & Prod, LLC | Stark #1 | 15,600 | 36130888 |
| 685940Amendment | Oct 8, 2009 | Oct 8, 2009 | Fairways Exploration & Prod, LLC | Stark #1 | 18,000 | 36130888 |
| 684106 | Aug 19, 2009 | Aug 19, 2009 | Hilcorp Energy Company | Williams #1 | 14,000 | 36130633 |
| 682497 | Jul 20, 2009 | Jul 20, 2009 | Duncan Oil, Inc. | Henderson #1 | 10,500 | 36130887 |
| 682497Amendment | Jul 20, 2009 | Jul 20, 2009 | Duncan Oil, Inc. | Henderson #1 | 10,500 | 36130887 |
| 681042 | May 8, 2009 | May 8, 2009 | Century Exploration Houston, Inc | BP America 'A-19' #2 | 13,000 | 36130886 |
| 681042Amendment | May 8, 2009 | May 8, 2009 | Century Exploration Houston, Inc | BP America 'A-19' #2 | 13,000 | 36130886 |
| 663282Amendment | Mar 5, 2009 | Mar 5, 2009 | Samson Lone Star, LLC | Thornhill #1 | 16,000 | 36130878 |
| 675556 | Dec 1, 2008 | Dec 1, 2008 | Samson Lone Star, LLC | Donner-Brown #1 | 17,500 | 36130884 |
| 675556Amendment | Dec 1, 2008 | Dec 1, 2008 | Samson Lone Star, LLC | Donner-Brown #1 | 20,000 | 36130884 |
| 669303 | Sep 23, 2008 | Sep 23, 2008 | Hilcorp Energy Company | Mil-Vid #3R | 17,000 | 36130621 |
| 670094 | Sep 16, 2008 | Sep 16, 2008 | Benchmark Oil & Gas Company | Norwood Heirs-Lafleur Unit #1 | 7,500 | 36130853 |
| 669232 | Sep 6, 2008 | Sep 6, 2008 | Samson Lone Star, LLC | Alexander #1 | 16,500 | 36130883 |
| 669232Amendment | Sep 6, 2008 | Sep 6, 2008 | Samson Lone Star, LLC | Alexander #1 | 16,500 | 36130883 |
| 666970 | Aug 6, 2008 | Aug 6, 2008 | XTO Energy Inc. | Donner Gas Unit #1 | 8,524 | 36130836 |
| 665181 | Jul 14, 2008 | Jul 14, 2008 | Lake Ronel Oil Company | West Side #1 | 8,400 | 36130881 |
| 665175 | Jul 14, 2008 | Jul 14, 2008 | Lake Ronel Oil Company | Pinehurst #1 | 11,100 | 36130882 |
| 662707 | Jul 8, 2008 | Jul 8, 2008 | White Oak Operating Company LLC | Vastar 2A Unit #1 | 10,619 | 36130727 |
| 664259 | Jun 28, 2008 | Jun 28, 2008 | El Paso E & P Company, L. P. | Norman Gas Unit 1 #1 | 19,500 | 36130880 |
| 664210 | Jun 27, 2008 | Jun 27, 2008 | El Paso E & P Company, L. P. | Odom, R. E. #1 | 16,000 | 36130879 |
| 663282 | Jun 18, 2008 | Jun 18, 2008 | Samson Lone Star, LLC | Thornhill #1 | 16,000 | 36130878 |
| 656211 | Apr 25, 2008 | Apr 25, 2008 | Bend Petroleum Corp. | Stark #19 | 9,000 | 36130877 |
| 656667 | Mar 13, 2008 | Mar 13, 2008 | Benchmark Oil & Gas Company | Cora Granger Heirs #1 | 7,000 | 36130876 |
| 656667Amendment | Mar 13, 2008 | Mar 13, 2008 | Benchmark Oil & Gas Company | Cora Granger Heirs #1 | 7,200 | 36130876 |
| 656666 | Mar 13, 2008 | Mar 13, 2008 | Benchmark Oil & Gas Company | Duhon #1 | 7,000 | 36130875 |
| 656080 | Mar 6, 2008 | Mar 6, 2008 | El Paso E & P Company, L. P. | Fisher #01 | 16,300 | 36130874 |
| 652738 | Jan 16, 2008 | Jan 16, 2008 | Noble Energy Inc | Cohenour #1 | 8,600 | 36130873 |
| 651418 | Dec 27, 2007 | Dec 27, 2007 | Jordan Oil Company, Inc. | Powell #1 | 11,200 | 36130872 |
| 649998 | Nov 29, 2007 | Nov 29, 2007 | Samson Lone Star, LLC | Sokolski GU #1 | 16,500 | 36130871 |
| 647477 | Oct 15, 2007 | Oct 15, 2007 | Benchmark Oil & Gas Company | Chandler-Scales #1 | 7,500 | 36130870 |
| 647477Amendment | Oct 15, 2007 | Oct 15, 2007 | Benchmark Oil & Gas Company | Chandler-Scales #1ST | 7,500 | 36130870 |
| 647477Amendment | Oct 15, 2007 | Oct 15, 2007 | Benchmark Oil & Gas Company | Chandler-Scales #1ST | 7,500 | 36130870 |
| 646074 | Sep 18, 2007 | Sep 18, 2007 | Aspect Energy, LLC | Donner Properties #1 | 9,200 | 36130869 |
| 645436 | Sep 5, 2007 | Sep 5, 2007 | Lake Ronel Oil Company | South Peveto #1 | 9,700 | 36130868 |
| 644079 | Aug 13, 2007 | Aug 13, 2007 | Zenergy, Inc. | Odom #1 | 16,500 | 36130867 |
| 643259 | Aug 4, 2007 | Aug 4, 2007 | Lake Ronel Oil Company | S.P. - Stark #1 | 10,250 | 36130866 |
| 641175 | Jul 3, 2007 | Jul 3, 2007 | Benchmark Oil & Gas Company | Norwood Heirs-Lafleur Unit #2 | 6,400 | 36130865 |
| 639653 | May 31, 2007 | May 31, 2007 | Dominion Expl. & Prod., Inc. | A. Gilmer Estate #1 | 15,700 | 36130864 |