| 673019 | Oct 17, 2008 | Oct 17, 2008 | OK Arena Operating Company | Fleming A #300340866 | 4,900 |
| 673018 | Oct 17, 2008 | Oct 17, 2008 | OK Arena Operating Company | MA Thornberry Consolidated II #2400340872 | 4,900 |
| 673017 | Oct 17, 2008 | Oct 17, 2008 | OK Arena Operating Company | Yeager & Armstrong Caruth #400340871 | 4,900 |
| 673015 | Oct 17, 2008 | Oct 17, 2008 | OK Arena Operating Company | JT Lindley #1200340862 | 4,900 |
| 673011 | Oct 17, 2008 | Oct 17, 2008 | OK Arena Operating Company | JT Lindley #1000340864 | 4,900 |
| 673010 | Oct 17, 2008 | Oct 17, 2008 | OK Arena Operating Company | JT Lindley #900340863 | 4,900 |
| 672947 | Oct 16, 2008 | Oct 16, 2008 | Chesapeake Operating, Inc. | University 6-21 #100340854 | 12,000 |
| 672891 | Oct 16, 2008 | Oct 16, 2008 | OK Arena Operating Company | University 5 #500340850 | 4,900 |
| 672890 | Oct 16, 2008 | Oct 16, 2008 | OK Arena Operating Company | South Fuhrman Mascho Unit #56800340851 | 4,900 |
| 672812 | Oct 15, 2008 | Oct 15, 2008 | OK Arena Operating Company | Thornberry G #600340849 | 4,900 |
| 672809 | Oct 15, 2008 | Oct 15, 2008 | OK Arena Operating Company | Thornberry J #500340848 | 4,900 |
| 672808 | Oct 15, 2008 | Oct 15, 2008 | OK Arena Operating Company | Yeager & Armstrong Caruth #300340847 | 4,900 |
| 672807 | Oct 15, 2008 | Oct 15, 2008 | OK Arena Operating Company | University 6N #200340846 | 4,900 |
| 672806 | Oct 15, 2008 | Oct 15, 2008 | OK Arena Operating Company | University 6N #300340845 | 4,900 |
| 672720 | Oct 14, 2008 | Oct 14, 2008 | OK Arena Operating Company | Munger Nix #10200340841 | 4,900 |
| 672715 | Oct 14, 2008 | Oct 14, 2008 | OK Arena Operating Company | South Fuhrman Mascho Unit #57900340843 | 4,900 |
| 672714 | Oct 14, 2008 | Oct 14, 2008 | OK Arena Operating Company | Munger Nix #10100340840 | 4,900 |
| 672706 | Oct 14, 2008 | Oct 14, 2008 | OK Arena Operating Company | Munger Nix #10300340839 | 4,900 |
| 672705 | Oct 14, 2008 | Oct 14, 2008 | OK Arena Operating Company | Munger Nix #10400340838 | 4,900 |
| 672705Amendment | Oct 14, 2008 | Oct 14, 2008 | Sandridge Expl. and Prod., LLC | Munger Nix #10400340838 | 4,900 |
| 672525 | Oct 14, 2008 | Oct 14, 2008 | Reliance Energy, Inc. | Mabee 240C #250100340832 | 11,500 |
| 670769 | Oct 14, 2008 | Oct 14, 2008 | OK Arena Operating Company | South Fuhrman Mascho Unit #910400340799 | 4,900 |
| 670768 | Oct 14, 2008 | Oct 14, 2008 | OK Arena Operating Company | South Fuhrman Mascho Unit #169900340798 | 4,900 |
| 670767 | Oct 14, 2008 | Oct 14, 2008 | OK Arena Operating Company | South Fuhrman Mascho Unit #510400340797 | 4,900 |
| 672703 | Oct 13, 2008 | Oct 13, 2008 | OK Arena Operating Company | Anita #1100340837 | 4,900 |
| 672696 | Oct 13, 2008 | Oct 13, 2008 | OK Arena Operating Company | MA Thornberry Consolidated II #2300340836 | 4,900 |
| 672695 | Oct 13, 2008 | Oct 13, 2008 | OK Arena Operating Company | Argo-Knight #700340835 | 4,900 |
| 672694 | Oct 13, 2008 | Oct 13, 2008 | OK Arena Operating Company | CC Sentry #300340834 | 4,900 |
| 672691 | Oct 13, 2008 | Oct 13, 2008 | OK Arena Operating Company | CC Cities Service AA #900340833 | 4,900 |
| 672462 | Oct 11, 2008 | Oct 11, 2008 | Reliance Energy, Inc. | Mabee 240C #10100340831 | 11,500 |
| 671931 | Oct 9, 2008 | Oct 9, 2008 | OK Arena Operating Company | Munger Nix B #400340822 | 4,900 |
| 670766 | Oct 9, 2008 | Oct 9, 2008 | OK Arena Operating Company | South Fuhrman Mascho Unit #88800340796 | 4,900 |
| 670765 | Oct 9, 2008 | Oct 9, 2008 | OK Arena Operating Company | South Fuhrman Mascho Unit #56900340795 | 4,900 |
| 669818 | Oct 9, 2008 | Oct 9, 2008 | OK Arena Operating Company | Thornberry NWS #1800340786 | 4,900 |
| 672108 | Oct 8, 2008 | Oct 8, 2008 | Thompson, J. Cleo | Lockhart & Brown #1700340827 | 4,700 |
| 668261 | Oct 8, 2008 | Oct 8, 2008 | Myco Industries, Inc. | University 6-31 #200340812 | 10,400 |
| 672031 | Oct 7, 2008 | Oct 7, 2008 | Thompson, J. Cleo | Lockhart & Brown #1400340823 | 4,700 |
| 671921 | Oct 7, 2008 | Oct 7, 2008 | Pioneer Natural Res. USA, Inc. | University "7-33" #200340820 | 10,800 |
| 671921Amendment | Oct 7, 2008 | Oct 7, 2008 | Pioneer Natural Res. USA, Inc. | University "7-33" #200340820 | 11,000 |
| 671921Amendment | Oct 7, 2008 | Oct 7, 2008 | Pioneer Natural Res. USA, Inc. | University "7-33" #200340820 | 11,500 |
| 669435 | Oct 7, 2008 | Oct 7, 2008 | Range Production Company | Block 10 Fuhrman-Mascho Unit #70100340808 | 4,900 |
| 671918 | Oct 6, 2008 | Oct 6, 2008 | Pioneer Natural Res. USA, Inc. | University "7-34" #100340818 | 10,800 |
| 671918Amendment | Oct 6, 2008 | Oct 6, 2008 | Pioneer Natural Res. USA, Inc. | University "7-34" #100340818 | 11,900 |
| 671914 | Oct 6, 2008 | Oct 6, 2008 | Pioneer Natural Res. USA, Inc. | University "7-18" #700340817 | 10,800 |
| 671914Amendment | Oct 6, 2008 | Oct 6, 2008 | Pioneer Natural Res. USA, Inc. | University "7-18" #700340817 | 11,800 |
| 671889 | Oct 6, 2008 | Oct 6, 2008 | Conocophillips Company | Texas University -CC- #1800304590 | 12,600 |
| 671812 | Oct 4, 2008 | Oct 4, 2008 | Conocophillips Company | Texas University -CC- #200304624 | 13,853 |
| 671750 | Oct 4, 2008 | Oct 4, 2008 | Pioneer Natural Res. USA, Inc. | University "6-25A" #100340816 | 11,800 |
| 671749 | Oct 4, 2008 | Oct 4, 2008 | Pioneer Natural Res. USA, Inc. | University "6-16" #300340815 | 10,900 |
| 671748 | Oct 4, 2008 | Oct 4, 2008 | Pioneer Natural Res. USA, Inc. | University "6-16" #100340814 | 10,900 |
| 671728 | Oct 4, 2008 | Oct 4, 2008 | COG Operating LLC | Lowe, M. R. 6 #200340813 | 8,000 |
| 671383 | Oct 3, 2008 | Oct 3, 2008 | Fasken Oil and Ranch, Ltd. | Mabee Ranch "14" #100340068 | 13,370 |
| 671378 | Oct 3, 2008 | Oct 3, 2008 | Range Production Company | Thornberry 23 #200340160 | 4,720 |
| 671339 | Oct 2, 2008 | Oct 2, 2008 | Occidental Permian Ltd. | Midland Farms Unit #55500332919 | 4,900 |
| 671329 | Oct 2, 2008 | Oct 2, 2008 | Occidental Permian Ltd. | Midland Farms Unit #16300300214 | 4,900 |
| 671313 | Oct 2, 2008 | Oct 2, 2008 | Occidental Permian Ltd. | Midland Farms Unit #11900305726 | 4,900 |
| 669433 | Oct 2, 2008 | Oct 2, 2008 | Range Production Company | Block 10 Fuhrman-Mascho Unit #80300340807 | 4,900 |
| 671262 | Oct 1, 2008 | Oct 1, 2008 | Patriot Resources, Inc. | Cross Bar Ranch #80100340810 | 12,000 |
| 671422 | Sep 30, 2008 | Sep 30, 2008 | OK Arena Operating Company | South Fuhrman Mascho Unit #157800340811 | 4,900 |
| 671058 | Sep 30, 2008 | Sep 30, 2008 | OK Arena Operating Company | University 19 #100340809 | 4,900 |
| 669432 | Sep 29, 2008 | Sep 29, 2008 | Range Production Company | Block 10 Fuhrman-Mascho Unit #50200340766 | 4,900 |
| 670884 | Sep 26, 2008 | Sep 26, 2008 | Reliance Energy, Inc. | Mabee 139 #470100340805 | 11,500 |
| 670884Amendment | Sep 26, 2008 | Sep 26, 2008 | Reliance Energy, Inc. | Mabee 139 #470100340805 | 13,000 |
| 670828 | Sep 26, 2008 | Sep 26, 2008 | Reliance Energy, Inc. | Mabee 139 #460200340804 | 11,500 |
| 665810Amendment | Sep 26, 2008 | Sep 26, 2008 | Conocophillips Company | Embar -B- #6600340657 | 7,100 |
| 665780Amendment | Sep 26, 2008 | Sep 26, 2008 | Conocophillips Company | Embar -B- #6000340654 | 7,100 |
| 670920 | Sep 25, 2008 | Sep 25, 2008 | Big Shell Oil & Gas, Inc. | University #200340806 | 10,800 |
| 670920Amendment | Sep 25, 2008 | Sep 25, 2008 | Big Shell Oil & Gas, Inc. | University #200340806 | 10,800 |
| 670796 | Sep 25, 2008 | Sep 25, 2008 | EXL Petroleum, LP | Universitycarrie #100340802 | 11,500 |
| 670796Amendment | Sep 25, 2008 | Sep 25, 2008 | EXL Petroleum, LP | Universitycarrie #100340802 | 11,500 |
| 670772 | Sep 25, 2008 | Sep 25, 2008 | OK Arena Operating Company | University 6 #900340800 | 4,900 |
| 670770 | Sep 25, 2008 | Sep 25, 2008 | OK Arena Operating Company | University 17 South #500340803 | 4,900 |
| 670436 | Sep 22, 2008 | Sep 22, 2008 | Inject Technologies Inc. | Hannah Estate #100302202 | 6,019 |
| 670314 | Sep 18, 2008 | Sep 18, 2008 | Encore Operating, L.P. | W. T. Ford #7600336681 | 9,446 |
| 670275 | Sep 18, 2008 | Sep 18, 2008 | Henry Resources LLC | BOHANNON26 #1100340793 | 11,000 |
| 670118 | Sep 16, 2008 | Sep 16, 2008 | OK Arena Operating Company | Munger Nix C #600340792 | 4,900 |
| 669769 | Sep 16, 2008 | Sep 16, 2008 | M & M Production Ltd. | University GK #400340775 | 4,800 |
| 669630 | Sep 16, 2008 | Sep 16, 2008 | M & M Production Ltd. | University D #500340771 | 4,800 |
| 669151 | Sep 16, 2008 | Sep 16, 2008 | Forest Oil Corporation | University Southern Minerals #700339030 | 7,630 |
| 667532 | Sep 16, 2008 | Sep 16, 2008 | OK Arena Operating Company | Olsen Gap #400340699 | 4,900 |
| 669927 | Sep 15, 2008 | Sep 15, 2008 | Chesapeake Operating, Inc. | University 8-9 #100340790 | 18,000 |
| 669840 | Sep 15, 2008 | Sep 15, 2008 | Piedra Operating, LLC | Tom Family 16 #100340788 | 11,500 |
| 669101 | Sep 15, 2008 | Sep 15, 2008 | Forest Oil Corporation | Phillips University T #600339146 | 7,620 |
| 669822 | Sep 12, 2008 | Sep 12, 2008 | OK Arena Operating Company | Thornberry 7 #700340787 | 4,900 |
| 669820 | Sep 12, 2008 | Sep 12, 2008 | OK Arena Operating Company | Thornberry NWS #1700340789 | 4,900 |
| 669817 | Sep 12, 2008 | Sep 12, 2008 | OK Arena Operating Company | Martin #200340785 | 4,900 |
| 669815 | Sep 12, 2008 | Sep 12, 2008 | OK Arena Operating Company | M A Thornberry Consolidated II #2200340784 | 4,900 |
| 669783 | Sep 12, 2008 | Sep 12, 2008 | Southwest Royalties, Inc. | Kuykendall, J.W., Humble #2300340783 | 5,000 |
| 669782 | Sep 12, 2008 | Sep 12, 2008 | Southwest Royalties, Inc. | Kuykendall, J.W., Humble #2200340782 | 5,000 |
| 669782Amendment | Sep 12, 2008 | Sep 12, 2008 | Southwest Royalties, Inc. | Kuykendall, J.W., Humble #2200340782 | 5,000 |
| 669781 | Sep 12, 2008 | Sep 12, 2008 | Southwest Royalties, Inc. | Kuykendall, J.W., Humble #2100340781 | 5,000 |
| 669779 | Sep 12, 2008 | Sep 12, 2008 | Southwest Royalties, Inc. | Kuykendall, J.W., Humble #2000340780 | 5,000 |
| 669774 | Sep 12, 2008 | Sep 12, 2008 | Southwest Royalties, Inc. | Kuykendall, J.W., Humble #1900340779 | 5,000 |
| 669773 | Sep 12, 2008 | Sep 12, 2008 | Southwest Royalties, Inc. | Kuykendall, J.W., Humble #1800340778 | 5,000 |
| 669772 | Sep 12, 2008 | Sep 12, 2008 | M & M Production Ltd. | University GK #600340777 | 4,800 |
| 669770 | Sep 12, 2008 | Sep 12, 2008 | M & M Production Ltd. | University GK #500340776 | 4,800 |
| 669117 | Sep 12, 2008 | Sep 12, 2008 | Forest Oil Corporation | University Southern Minerals #500338996 | 7,600 |
| 669703 | Sep 11, 2008 | Sep 11, 2008 | Remuda Operating Company | University 33 #100338129 | 12,800 |
| 669113 | Sep 11, 2008 | Sep 11, 2008 | Forest Oil Corporation | University Southern Minerals #900339154 | 7,650 |
| 669108 | Sep 11, 2008 | Sep 11, 2008 | Forest Oil Corporation | Phillips University O #400339005 | 7,600 |