| 680036 | Apr 3, 2009 | Apr 3, 2009 | OK Arena Operating Company | University Lands "13-46" #1 | 7,149 | 00332417 |
| 679796 | Apr 2, 2009 | Apr 2, 2009 | OK Arena Operating Company | MA Thornberry Est B BK #9 | 4,900 | 00341004 |
| 679965 | Apr 1, 2009 | Apr 1, 2009 | OK Arena Operating Company | Fuhrman B #2 | 6,985 | 00332124 |
| 679959 | Apr 1, 2009 | Apr 1, 2009 | OK Arena Operating Company | Olsen Brown 2 #1 | 11,725 | 00330478 |
| 679798 | Apr 1, 2009 | Apr 1, 2009 | OK Arena Operating Company | CC Nix Fuhrman B #2 | 4,900 | 00341006 |
| 679797 | Apr 1, 2009 | Apr 1, 2009 | OK Arena Operating Company | MA Thornberry et al Est NWS #7 | 4,900 | 00341005 |
| 679794 | Apr 1, 2009 | Apr 1, 2009 | OK Arena Operating Company | MA Thornberry Est B BK #8 | 4,900 | 00341003 |
| 679794Amendment | Apr 1, 2009 | Apr 1, 2009 | OK Arena Operating Company | MA Thornberry Est B BK #8 | 4,900 | 00341003 |
| 679792 | Mar 31, 2009 | Mar 31, 2009 | OK Arena Operating Company | WH Bush #12 | 4,900 | 00341002 |
| 679791 | Mar 31, 2009 | Mar 31, 2009 | OK Arena Operating Company | WH Bush B #15 | 4,900 | 00341001 |
| 679841 | Mar 27, 2009 | Mar 27, 2009 | Huntington Energy, L.L.C. | Lockhart #18 | 4,900 | 00340673 |
| 679744 | Mar 26, 2009 | Mar 26, 2009 | OK Arena Operating Company | MA Thornberry Cons III #5 | 4,875 | 00332836 |
| 679739 | Mar 25, 2009 | Mar 25, 2009 | OK Arena Operating Company | Anita #4 | 4,800 | 00332463 |
| 679724 | Mar 25, 2009 | Mar 25, 2009 | OK Arena Operating Company | Kuykendall, J. W. #1 | 4,795 | 00305601 |
| 679740 | Mar 24, 2009 | Mar 24, 2009 | OK Arena Operating Company | Argo Knight #2 | 4,775 | 00333491 |
| 679738 | Mar 24, 2009 | Mar 24, 2009 | OK Arena Operating Company | Boyd #2 | 4,800 | 00332129 |
| 679726 | Mar 24, 2009 | Mar 24, 2009 | OK Arena Operating Company | Ernesteen #5 | 4,731 | 00339669 |
| 679725 | Mar 24, 2009 | Mar 24, 2009 | OK Arena Operating Company | Thornberry 7 #5 | 4,802 | 00339770 |
| 679188 | Mar 24, 2009 | Mar 24, 2009 | OK Arena Operating Company | University 6 #11 | 4,900 | 00340988 |
| 679183 | Mar 24, 2009 | Mar 24, 2009 | OK Arena Operating Company | South Fuhrman Mascho Unit #876 | 4,900 | 00340995 |
| 679182 | Mar 24, 2009 | Mar 24, 2009 | OK Arena Operating Company | South Fuhrman Mascho Unit #866 | 4,900 | 00340994 |
| 659775Amendment | Mar 20, 2009 | Mar 20, 2009 | Chesapeake Operating, Inc. | University 6-33 #1 | 12,000 | 00340492 |
| 659771Amendment | Mar 20, 2009 | Mar 20, 2009 | Chesapeake Operating, Inc. | University 6-46 #2 | 12,000 | 00340493 |
| 648713Amendment | Mar 17, 2009 | Mar 17, 2009 | OK Arena Operating Company | Lockhart&brown #1 | 3,500 | 00332135 |
| 679353 | Mar 16, 2009 | Mar 16, 2009 | OK Arena Operating Company | Knight Watson #2 | 4,900 | 00332017 |
| 679192 | Mar 16, 2009 | Mar 16, 2009 | OK Arena Operating Company | University 7N #11 | 4,900 | 00340992 |
| 679191 | Mar 16, 2009 | Mar 16, 2009 | OK Arena Operating Company | University 7N #10 | 4,900 | 00340991 |
| 679190 | Mar 16, 2009 | Mar 16, 2009 | OK Arena Operating Company | University 7N #7 | 4,900 | 00340989 |
| 679190Amendment | Mar 16, 2009 | Mar 16, 2009 | OK Arena Operating Company | University 7N #7 | 4,900 | 00340989 |
| 679190Amendment | Mar 16, 2009 | Mar 16, 2009 | OK Arena Operating Company | University 7N #7 | 4,900 | 00340989 |
| 679189 | Mar 16, 2009 | Mar 16, 2009 | OK Arena Operating Company | University 7N #6 | 4,900 | 00340990 |
| 679187 | Mar 16, 2009 | Mar 16, 2009 | OK Arena Operating Company | South Fuhrman Mascho Unit #8112 | 4,900 | 00340993 |
| 679186 | Mar 16, 2009 | Mar 16, 2009 | OK Arena Operating Company | South Fuhrman Mascho Unit #5100 | 4,900 | 00340996 |
| 679185 | Mar 16, 2009 | Mar 16, 2009 | OK Arena Operating Company | South Fuhrman Mascho Unit #877 | 4,900 | 00340997 |
| 679357 | Mar 13, 2009 | Mar 13, 2009 | OK Arena Operating Company | Parker D #2 | 4,700 | 00333007 |
| 679212 | Mar 10, 2009 | Mar 10, 2009 | Chesapeake Operating, Inc. | Mabee W #1 | 11,000 | 00340986 |
| 679160 | Mar 6, 2009 | Mar 6, 2009 | OK Arena Operating Company | CC Lockhart & Brown B #3 | 4,715 | 00300634 |
| 679157 | Mar 6, 2009 | Mar 6, 2009 | OK Arena Operating Company | Lockhart & Brown #3 | 4,650 | 00301151 |
| 678437 | Mar 6, 2009 | Mar 6, 2009 | Chesapeake Operating, Inc. | Mabee M #39 | 11,000 | 00340987 |
| 678692 | Mar 2, 2009 | Mar 2, 2009 | Pioneer Natural Res. USA, Inc. | University '7-9' #1 | 10,800 | 00340985 |
| 678692Amendment | Mar 2, 2009 | Mar 2, 2009 | Pioneer Natural Res. USA, Inc. | University '7-9' #2 | 11,800 | 00340985 |
| 678503 | Feb 25, 2009 | Feb 25, 2009 | XTO Energy Inc. | University 9 Cec #8HH | 10,650 | 00338502 |
| 678503Amendment | Feb 25, 2009 | Feb 25, 2009 | XTO Energy Inc. | University Block 9 #8ECH | 10,650 | 00338502 |
| 678400 | Feb 23, 2009 | Feb 23, 2009 | Reef Exploration, L.P. | Reef University 7 #1 | 14,000 | 00340983 |
| 678338 | Feb 18, 2009 | Feb 18, 2009 | WTG Exploration | Tass #6 | 10,250 | 00307196 |
| 678532 | Feb 13, 2009 | Feb 13, 2009 | Conocophillips Company | Embar -B- #82 | 6,900 | 00340982 |
| 678532Amendment | Feb 13, 2009 | Feb 13, 2009 | Conocophillips Company | Embar -B- #10R | 6,900 | 00340982 |
| 678531 | Feb 13, 2009 | Feb 13, 2009 | Conocophillips Company | Embar -B- #81 | 6,900 | 00340981 |
| 678369 | Feb 13, 2009 | Feb 13, 2009 | Range Production Company | Thornberry 23 #3 | 4,570 | 00307413 |
| 678089 | Feb 11, 2009 | Feb 11, 2009 | Sheridan Production Company, LLC | Martin, Nellie C. #17 | 8,500 | 00333722 |
| 678089Amendment | Feb 11, 2009 | Feb 11, 2009 | Sheridan Production Company, LLC | Martin, Nellie C. #17 | 8,500 | 00333722 |
| 677938 | Feb 5, 2009 | Feb 5, 2009 | Myco Industries, Inc. | University 8-4 #1 | 11,300 | 00340980 |
| 677595 | Jan 30, 2009 | Jan 30, 2009 | RBJ & Associates, LLC | Mabee, J.E. "B" NCT - 7 #1 | 12,926 | 00330074 |
| 677740 | Jan 27, 2009 | Jan 27, 2009 | Pioneer Natural Res. USA, Inc. | University 7-6 #2 | 10,800 | 00340979 |
| 676074 | Jan 26, 2009 | Jan 26, 2009 | Andrews-Butane Route Disposal | Parker, J. E. "J" #3 | 12,499 | 00310171 |
| 677583 | Jan 22, 2009 | Jan 22, 2009 | Chesapeake Operating, Inc. | Mabee L #38 | 11,000 | 00340978 |
| 677536 | Jan 22, 2009 | Jan 22, 2009 | Chesapeake Operating, Inc. | Mabee L #37 | 11,000 | 00340977 |
| 677372 | Jan 20, 2009 | Jan 20, 2009 | XTO Energy Inc. | University 9 CE #E 7HH | 10,600 | 00338438 |
| 677301 | Jan 13, 2009 | Jan 13, 2009 | Fasken Oil and Ranch, Ltd. | Mabee Ranch "14" #909X | 11,000 | 00340976 |
| 676743 | Jan 12, 2009 | Jan 12, 2009 | OK Arena Operating Company | Thornberry G #7 | 4,900 | 00340975 |
| 676742 | Jan 12, 2009 | Jan 12, 2009 | OK Arena Operating Company | Thornberry G #8 | 4,900 | 00340974 |
| 676740 | Jan 12, 2009 | Jan 12, 2009 | OK Arena Operating Company | Thornberry G #5 | 4,900 | 00340973 |
| 676739 | Jan 12, 2009 | Jan 12, 2009 | OK Arena Operating Company | Suggett #3 | 4,900 | 00340972 |
| 675743 | Jan 12, 2009 | Jan 12, 2009 | Nadel and Gussman Permian,l.l.c. | Antelope University #2 | 9,975 | 00336814 |
| 677008 | Jan 8, 2009 | Jan 8, 2009 | XTO Energy Inc. | State of Texas BH #9HH | 10,738 | 00340243 |
| 677008Amendment | Jan 8, 2009 | Jan 8, 2009 | XTO Energy Inc. | University Block 9 #9BHH | 10,738 | 00340243 |
| 676892 | Jan 7, 2009 | Jan 7, 2009 | Range Production Company | Block 10 Furhman-Mascho Unit #702 | 4,900 | 00340970 |
| 676889 | Jan 7, 2009 | Jan 7, 2009 | Range Production Company | Block 10 Fuhrman-Mascho Unit #968 | 4,900 | 00340971 |
| 676782 | Jan 7, 2009 | Jan 7, 2009 | Fasken Oil and Ranch, Ltd. | Fee "AW" #3407 | 11,700 | 00340964 |
| 676749 | Jan 7, 2009 | Jan 7, 2009 | Fasken Oil and Ranch, Ltd. | Fee "AW" #3408 | 11,700 | 00340963 |
| 676654 | Jan 7, 2009 | Jan 7, 2009 | Fasken Oil and Ranch, Ltd. | Fee "AW" #3410 | 11,700 | 00340958 |
| 676891 | Jan 5, 2009 | Jan 5, 2009 | Range Production Company | Block 10 Fuhrman-Mascho Unit #505 | 4,900 | 00340969 |
| 676816 | Jan 5, 2009 | Jan 5, 2009 | Pioneer Natural Res. USA, Inc. | University "6-48" #1 | 10,900 | 00340965 |
| 676816Amendment | Jan 5, 2009 | Jan 5, 2009 | Pioneer Natural Res. USA, Inc. | University '6-48' #1 | 11,700 | 00340965 |
| 676671 | Jan 5, 2009 | Jan 5, 2009 | OK Arena Operating Company | Thornberry F #12 | 4,900 | 00340968 |
| 676659 | Jan 5, 2009 | Jan 5, 2009 | OK Arena Operating Company | Thornberry F #15 | 4,900 | 00340967 |
| 676658 | Jan 5, 2009 | Jan 5, 2009 | OK Arena Operating Company | Thornberry F #16 | 4,900 | 00340966 |
| 676649 | Jan 2, 2009 | Jan 2, 2009 | Fasken Oil and Ranch, Ltd. | Fee "AW" #3401 | 11,700 | 00340957 |
| 676649Amendment | Jan 2, 2009 | Jan 2, 2009 | Fasken Oil and Ranch, Ltd. | Fee "AW" #3401 | 11,700 | 00340957 |
| 676473 | Dec 31, 2008 | Dec 31, 2008 | Occidental Permian Ltd. | Midland Farms Unit #732 | 4,900 | 00340962 |
| 676471 | Dec 31, 2008 | Dec 31, 2008 | Occidental Permian Ltd. | Midland Farms Unit #729 | 4,900 | 00340961 |
| 676404 | Dec 31, 2008 | Dec 31, 2008 | Myco Industries, Inc. | University 6-27 #2 | 10,400 | 00340960 |
| 676404Amendment | Dec 31, 2008 | Dec 31, 2008 | Myco Industries, Inc. | University 6-27 #2 | 10,400 | 00340960 |
| 676404Amendment | Dec 31, 2008 | Dec 31, 2008 | Myco Industries, Inc. | University 6-27 #2 | 11,500 | 00340960 |
| 676404Amendment | Dec 31, 2008 | Dec 31, 2008 | Myco Industries, Inc. | University 6-27 #2 | 11,500 | 00340960 |
| 676402 | Dec 31, 2008 | Dec 31, 2008 | Myco Industries, Inc. | University 6-19 #1 | 10,400 | 00340959 |
| 676402Amendment | Dec 31, 2008 | Dec 31, 2008 | Myco Industries, Inc. | University 6-19 #1 | 11,500 | 00340959 |
| 676402Amendment | Dec 31, 2008 | Dec 31, 2008 | Myco Industries, Inc. | University 6-19 #1 | 11,500 | 00340959 |
| 676472 | Dec 22, 2008 | Dec 22, 2008 | Occidental Permian Ltd. | Midland Farms Unit #730 | 4,900 | 00340956 |
| 676090 | Dec 22, 2008 | Dec 22, 2008 | OK Arena Operating Company | MA Thornberry Est B-BK #6 | 4,900 | 00340955 |
| 676086 | Dec 22, 2008 | Dec 22, 2008 | OK Arena Operating Company | University 5 #13 | 4,900 | 00340954 |
| 676173 | Dec 16, 2008 | Dec 16, 2008 | Fasken Oil and Ranch, Ltd. | Fee "AW" #3402 | 11,700 | 00340953 |
| 676107 | Dec 12, 2008 | Dec 12, 2008 | XTO Energy Inc. | University 198 #1 | 10,900 | 00305469 |
| 676102 | Dec 12, 2008 | Dec 12, 2008 | XTO Energy Inc. | University 9 E #1 | 10,900 | 00305281 |
| 676088 | Dec 12, 2008 | Dec 12, 2008 | OK Arena Operating Company | MA Thornberry Est B-BK #7 | 4,900 | 00340952 |
| 675996 | Dec 11, 2008 | Dec 11, 2008 | Reliance Energy, Inc. | Mabee 240B #1701 | 11,500 | 00340951 |
| 675996Amendment | Dec 11, 2008 | Dec 11, 2008 | Reliance Energy, Inc. | Mabee 240B #1701 | 12,500 | 00340951 |
| 675992 | Dec 11, 2008 | Dec 11, 2008 | Samson Lone Star, LLC | University 6-36 #2 | 14,000 | 00340950 |
| 675939 | Dec 10, 2008 | Dec 10, 2008 | Fasken Oil and Ranch, Ltd. | Mabee Ranch "14" #909 | 11,000 | 00340946 |
| 675931 | Dec 10, 2008 | Dec 10, 2008 | Fasken Oil and Ranch, Ltd. | Mabee Ranch "14" #908 | 11,000 | 00340945 |