| 723310Amendment | Sep 1, 2011 | Sep 1, 2011 | Medders Oil Company, Inc. | Pitchfork Balt Waterflood Unit #101 | 4,900 | 26932827 |
| 722927 | Aug 31, 2011 | Aug 31, 2011 | Salida Exploration, LLC | Niblo #1 | 6,000 | 26932826 |
| 722910 | Aug 26, 2011 | Aug 26, 2011 | Medders Oil Company, Inc. | Forks GGG #26 | 4,100 | 26932825 |
| 722328 | Aug 17, 2011 | Aug 17, 2011 | Medders Oil Company, Inc. | Pitchfork Ffff #8 | 4,100 | 26932824 |
| 721074 | Jul 29, 2011 | Jul 29, 2011 | Medders Oil Company, Inc. | Forks Eee #8 | 4,100 | 26932823 |
| 718238 | Jun 15, 2011 | Jun 15, 2011 | Schalk Oil Company, Inc. | Warren Unit #2 #2 | 4,300 | 26932822 |
| 718018 | Jun 10, 2011 | Jun 10, 2011 | Buck Wheat Resources, L.P. | Beggs 'B' #2272 | 4,000 | 26932821 |
| 717475 | Jun 2, 2011 | Jun 2, 2011 | Kinder Morgan Production Co LLC | Katz (Strawn) Unit #108A | 5,500 | 26932820 |
| 715941 | May 11, 2011 | May 11, 2011 | Medders Oil Company, Inc. | Pitchfork Yyy #10 | 4,200 | 26932819 |
| 714599 | Apr 22, 2011 | Apr 22, 2011 | Buck Wheat Resources, L.P. | Beggs 'B' #2271 | 4,200 | 26932817 |
| 713774 | Apr 15, 2011 | Apr 15, 2011 | Gunn Oil Company | Springer D #1 | 4,100 | 26932814 |
| 713382 | Apr 14, 2011 | Apr 14, 2011 | Medders Oil Company, Inc. | Pitchfork Iiii #1 | 4,200 | 26932816 |
| 713377 | Apr 12, 2011 | Apr 12, 2011 | Medders Oil Company, Inc. | Forks CCC 12-10-99 #18B | 4,200 | 26932815 |
| 713481 | Apr 7, 2011 | Apr 7, 2011 | Gunn Oil Company | Pitchfork SB #2 | 4,100 | 26932813 |
| 712685 | Mar 25, 2011 | Mar 25, 2011 | Medders Oil Company, Inc. | Pitchfork Ffff #7 | 4,000 | 26932812 |
| 712214 | Mar 21, 2011 | Mar 21, 2011 | Nagual Exploration LLC | Havins-Hutchinson #1 | 4,900 | 26932811 |
| 712047 | Mar 17, 2011 | Mar 17, 2011 | Medders Oil Company, Inc. | Forks GGG #25 | 4,000 | 26932810 |
| 711257 | Mar 4, 2011 | Mar 4, 2011 | Corda Corporation | Johnson #2 | 6,500 | 26932809 |
| 709888 | Feb 10, 2011 | Feb 10, 2011 | Kinder Morgan Production Co LLC | Katz (Strawn) Unit #108 | 5,500 | 26932808 |
| 708984 | Jan 27, 2011 | Jan 27, 2011 | Cholla Petroleum, Inc. | Springer Wilson #1 | 4,999 | 26932807 |
| 708303 | Jan 13, 2011 | Jan 13, 2011 | Kinder Morgan Production Co LLC | Katz (Strawn) Unit #2022 | 5,500 | 26932806 |
| 707189 | Dec 17, 2010 | Dec 17, 2010 | Kinder Morgan Production Co LLC | Katz (Strawn) Unit #110 | 5,500 | 26932805 |
| 707189Amendment | Dec 17, 2010 | Dec 17, 2010 | Kinder Morgan Production Co LLC | Katz (Strawn) Unit #110 | 5,500 | 26932805 |
| 707189Amendment | Dec 17, 2010 | Dec 17, 2010 | Kinder Morgan Production Co LLC | Katz (Strawn) Unit #110 | 5,500 | 26932805 |
| 703852 | Oct 19, 2010 | Oct 19, 2010 | Kinder Morgan Production Co LLC | Katz (Strawn) Unit #122 | 5,500 | 26932804 |
| 701979 | Oct 11, 2010 | Oct 11, 2010 | Medders Oil Company, Inc. | Forks CCC #17 | 4,200 | 26932802 |
| 702762 | Sep 28, 2010 | Sep 28, 2010 | Gunn Oil Company | Masterson 166 #1 | 6,500 | 26932803 |
| 701976 | Sep 16, 2010 | Sep 16, 2010 | Medders Oil Company, Inc. | Forks CCC #16 | 4,000 | 26932801 |
| 699345 | Jul 30, 2010 | Jul 30, 2010 | Corda Corporation | Johnson #1 | 6,500 | 26932797 |
| 699744 | Jul 29, 2010 | Jul 29, 2010 | Medders Oil Company, Inc. | Forks GGG #24 | 4,000 | 26932800 |
| 699740 | Jul 29, 2010 | Jul 29, 2010 | Medders Oil Company, Inc. | Forks GGG #23 | 4,000 | 26932799 |
| 699739 | Jul 29, 2010 | Jul 29, 2010 | Medders Oil Company, Inc. | Forks GGG #21 | 4,000 | 26932798 |
| 699002 | Jul 15, 2010 | Jul 15, 2010 | Gunn Oil Company | Masterson Pne #1 | 7,000 | 26932796 |
| 698827 | Jul 13, 2010 | Jul 13, 2010 | Kinder Morgan Production Co LLC | Katz (Strawn) Unit #212 | 5,500 | 26932795 |
| 697875 | Jun 23, 2010 | Jun 23, 2010 | Buck Wheat Resources, L.P. | Springer Wilson 194 #1951 | 4,000 | 26932794 |
| 696861 | Jun 3, 2010 | Jun 3, 2010 | Kinder Morgan Production Co LLC | Katz (Strawn) Unit #222 | 5,500 | 26932793 |
| 696419 | May 24, 2010 | May 24, 2010 | Grandfield Consulting, Inc. | Bateman Trust Est. Account No. 1 #103 | 5,480 | 26932297 |
| 695214 | May 17, 2010 | May 17, 2010 | Grandfield Consulting, Inc. | Bateman Trust Est. Account No. 1 #91 | 5,375 | 26931531 |
| 695428 | May 5, 2010 | May 5, 2010 | Gunn Oil Company | Pitchfork SB #1 | 4,000 | 26932792 |
| 695002 | Apr 29, 2010 | Apr 29, 2010 | Star Production, Inc. | Burnett Ranch "A" #1 | 4,000 | 26932791 |
| 694886 | Apr 23, 2010 | Apr 23, 2010 | Schalk Oil Company, Inc. | Foster A #3 | 4,300 | 26932790 |
| 692702 | Mar 18, 2010 | Mar 18, 2010 | Kinder Morgan Production Co LLC | C.B. Long Unit #E 8 | 5,500 | 26932789 |
| 692702Amendment | Mar 18, 2010 | Mar 18, 2010 | Kinder Morgan Production Co LLC | C. B. Long Unit #E 8 | 5,500 | 26932789 |
| 692699 | Mar 15, 2010 | Mar 15, 2010 | Kinder Morgan Production Co LLC | C.B. Long Unit #E 4 | 5,500 | 26932788 |
| 692098 | Mar 4, 2010 | Mar 4, 2010 | Medders Oil Company, Inc. | Pitchfork Ffff #5 | 4,000 | 26932787 |
| 692097 | Mar 4, 2010 | Mar 4, 2010 | Medders Oil Company, Inc. | Pitchfork Ffff #6 | 4,000 | 26932786 |
| 692095 | Mar 3, 2010 | Mar 3, 2010 | Medders Oil Company, Inc. | Forks GGG #22 | 4,000 | 26932785 |
| 692093 | Mar 3, 2010 | Mar 3, 2010 | Medders Oil Company, Inc. | Forks GGG #20 | 4,000 | 26932784 |
| 691750 | Feb 25, 2010 | Feb 25, 2010 | Kinder Morgan Production Co LLC | C.B. Long Unit #D 23 | 5,500 | 26932783 |
| 688441 | Dec 11, 2009 | Dec 11, 2009 | Patton Exploration, Inc. | Niblo "88-A" #6 | 6,400 | 26932662 |
| 688150 | Dec 3, 2009 | Dec 3, 2009 | Canan Mowrey Operating, LLC | Parramore #6701 | 4,000 | 26932782 |
| 685734 | Oct 8, 2009 | Oct 8, 2009 | Medders Oil Company, Inc. | Somervell W HHH #1A | 4,000 | 26932781 |
| 685112 | Sep 15, 2009 | Sep 15, 2009 | Medders Oil Company, Inc. | Pitchfork HHH "B" #4 | 4,200 | 26932780 |
| 684858 | Sep 8, 2009 | Sep 8, 2009 | Medders Oil Company, Inc. | Forks GGG #18 | 4,000 | 26932779 |
| 684846 | Sep 8, 2009 | Sep 8, 2009 | Medders Oil Company, Inc. | Forks GGG #19 | 4,000 | 26932778 |
| 684344 | Aug 21, 2009 | Aug 21, 2009 | Wheat, Buck Resources, Inc. | Springer Wilson 188 #1 | 4,000 | 26932777 |
| 683127 | Jul 17, 2009 | Jul 17, 2009 | Noremac Enterprises, LLC | Crum #1HWH | 3,750 | 26932776 |
| 681150 | May 19, 2009 | May 19, 2009 | Medders Oil Company, Inc. | Forks GGG #17 | 4,000 | 26932774 |
| 681149 | May 13, 2009 | May 13, 2009 | Medders Oil Company, Inc. | Forks GGG #16 | 4,000 | 26932773 |
| 681109 | May 13, 2009 | May 13, 2009 | Medders Oil Company, Inc. | Forks BBB #9 | 4,000 | 26932775 |
| 681170 | May 12, 2009 | May 12, 2009 | Medders Oil Company, Inc. | Pitchfork Ffff #4 | 4,000 | 26932772 |
| 681057 | May 8, 2009 | May 8, 2009 | Medders Oil Company, Inc. | Forks DDD #9 | 4,000 | 26932771 |
| 680028 | Apr 3, 2009 | Apr 3, 2009 | Patton Exploration, Inc. | Niblo "88-A" #11 | 3,500 | 26932769 |
| 679969 | Apr 1, 2009 | Apr 1, 2009 | Schalk Oil Company, Inc. | Foster B #1 | 4,200 | 26932768 |
| 677034 | Jan 9, 2009 | Jan 9, 2009 | Ginnings Company | Springer "a C" Unit #1 | 4,000 | 26932767 |
| 677032 | Jan 8, 2009 | Jan 8, 2009 | Ginnings Company | Springer "C" #2 | 4,000 | 26932766 |
| 676606 | Dec 30, 2008 | Dec 30, 2008 | Medders Oil Company, Inc. | Pitchfork HHH-B #3 | 4,000 | 26932765 |
| 676476 | Dec 23, 2008 | Dec 23, 2008 | Nagual Exploration LLC | T. B. Havins "a" Gas Unit #2 | 6,338 | 26930939 |
| 675578 | Dec 16, 2008 | Dec 16, 2008 | L.C.S. Production Company | Bar S #1 | 4,500 | 26932763 |
| 675691 | Dec 4, 2008 | Dec 4, 2008 | L.C.S. Production Company | Bar S #2 | 4,500 | 26932764 |
| 675446 | Nov 26, 2008 | Nov 26, 2008 | Patton Exploration, Inc. | Niblo "88-A" #10 | 3,500 | 26932762 |
| 675424 | Nov 25, 2008 | Nov 25, 2008 | Patton Exploration, Inc. | Springer 169 #2 | 4,000 | 26932761 |
| 675146 | Nov 24, 2008 | Nov 24, 2008 | Wheat, Buck Resources, Inc. | Springer Wilson 194 #1932 | 4,000 | 26932759 |
| 675187 | Nov 21, 2008 | Nov 21, 2008 | Wheat, Buck Resources, Inc. | Springer, Wilson 207 #3 | 4,000 | 26932760 |
| 674249 | Nov 6, 2008 | Nov 6, 2008 | Wheat, Buck Resources, Inc. | Springer Wilson 192 #21 | 4,000 | 26932758 |
| 674071 | Nov 4, 2008 | Nov 4, 2008 | Wheat, Buck Resources, Inc. | Springer-Wilson 192 #20 | 4,000 | 26932757 |
| 673653 | Oct 25, 2008 | Oct 25, 2008 | Medders Oil Company, Inc. | Pitchfork Ffff #3 | 4,000 | 26932756 |
| 673653Amendment | Oct 25, 2008 | Oct 25, 2008 | Medders Oil Company, Inc. | Pitchfork Ffff #3 | 5,000 | 26932756 |
| 673101 | Oct 20, 2008 | Oct 20, 2008 | Wheat, Buck Resources, Inc. | Springer Wilson 192 #11 | 4,000 | 26932755 |
| 672600 | Oct 11, 2008 | Oct 11, 2008 | Ginnings Company | Springer "C" #1 | 4,000 | 26932754 |
| 672589 | Oct 11, 2008 | Oct 11, 2008 | Ginnings Company | Springer"a" #12 | 4,000 | 26932753 |
| 671822 | Oct 6, 2008 | Oct 6, 2008 | Schalk Oil Company, Inc. | Jacobson #1 | 5,100 | 26932752 |
| 671397 | Oct 3, 2008 | Oct 3, 2008 | Medders Oil Company, Inc. | Forks 1 #11A | 4,000 | 26932751 |
| 671229 | Oct 1, 2008 | Oct 1, 2008 | Medders Oil Company, Inc. | Forks GGG #15 | 4,000 | 26932750 |
| 671222 | Oct 1, 2008 | Oct 1, 2008 | Medders Oil Company, Inc. | Forks GGG #14 | 4,000 | 26932749 |
| 670481 | Sep 24, 2008 | Sep 24, 2008 | MLC Operating, LP | Masterson #1157 | 6,300 | 26932748 |
| 670375 | Sep 24, 2008 | Sep 24, 2008 | MLC Operating, LP | Masterson #0127 | 4,250 | 26932746 |
| 669299 | Sep 24, 2008 | Sep 24, 2008 | MLC Operating, LP | Masterson #0123 | 6,500 | 26932744 |
| 664345 | Sep 18, 2008 | Sep 18, 2008 | Wheat, Buck Resources, Inc. | Springer Wilson 192 #16 | 4,000 | 26932747 |
| 669293 | Sep 9, 2008 | Sep 9, 2008 | MLC Operating, LP | Icelandic #0203 | 4,600 | 26932745 |
| 668997 | Sep 4, 2008 | Sep 4, 2008 | Wheat, Buck Resources, Inc. | Springer Wilson 192 #12 | 4,000 | 26932743 |
| 667758 | Aug 14, 2008 | Aug 14, 2008 | Ginnings Company | Springer "A" #11 | 4,000 | 26932742 |
| 667069 | Aug 8, 2008 | Aug 8, 2008 | Ginnings Company | Springer "A" #10 | 3,900 | 26932741 |
| 666380 | Jul 29, 2008 | Jul 29, 2008 | Creed Operating Co., LLC | Simpson #4 | 3,700 | 26932153 |
| 664651 | Jul 3, 2008 | Jul 3, 2008 | Medders Oil Company, Inc. | Pitchfork Ffff #101 | 4,000 | 26932740 |
| 664349 | Jun 28, 2008 | Jun 28, 2008 | Wheat, Buck Resources, Inc. | Springer Wilson 192 #17 | 4,000 | 26932739 |
| 664348 | Jun 28, 2008 | Jun 28, 2008 | Wheat, Buck Resources, Inc. | Springer Wilson 192 #19 | 4,000 | 26932738 |
| 663261 | Jun 18, 2008 | Jun 18, 2008 | Schalk Oil Company, Inc. | Foster #7 | 4,200 | 26932737 |
| 662058 | Jun 4, 2008 | Jun 4, 2008 | Cholla Petroleum, Inc. | Pitchfork #7 | 4,999 | 26932736 |
| 661667 | May 29, 2008 | May 29, 2008 | Wheat, Buck Resources, Inc. | Springer Wilson 194 A #1 | 4,000 | 26932735 |