| 737943 | Apr 23, 2012 | Apr 23, 2012 | Sandridge Expl. and Prod., LLC | Ranch 3 #10 | 4,900 | 00344208 |
| 737942 | Apr 23, 2012 | Apr 23, 2012 | Sandridge Expl. and Prod., LLC | Thornberry 5 #22 | 4,900 | 00344204 |
| 737837 | Apr 23, 2012 | Apr 23, 2012 | Sandridge Expl. and Prod., LLC | MA Thornberry Consolidated III #54 | 4,900 | 00344203 |
| 737836 | Apr 23, 2012 | Apr 23, 2012 | Sandridge Expl. and Prod., LLC | Thornberry, M.A. Consolidated I #44 | 4,900 | 00344202 |
| 737834 | Apr 23, 2012 | Apr 23, 2012 | Sandridge Expl. and Prod., LLC | Thornberry-LZS #39 | 4,900 | 00344218 |
| 737830 | Apr 23, 2012 | Apr 23, 2012 | Sandridge Expl. and Prod., LLC | Thornberry 4 #27 | 4,900 | 00344200 |
| 737827 | Apr 23, 2012 | Apr 23, 2012 | Sandridge Expl. and Prod., LLC | Thornberry 7N #18 | 4,900 | 00344199 |
| 737949 | Apr 21, 2012 | Apr 21, 2012 | Sandridge Expl. and Prod., LLC | Halliday, H.J. #5 | 4,900 | 00344210 |
| 737938 | Apr 21, 2012 | Apr 21, 2012 | Sandridge Expl. and Prod., LLC | JW Gowens A #5HH | 4,900 | 00344213 |
| 737938Amendment | Apr 21, 2012 | Apr 21, 2012 | Sheridan Production Company, LLC | JW Gowens A #5HH | 4,900 | 00344213 |
| 737060 | Apr 21, 2012 | Apr 21, 2012 | XTO Energy Inc. | University BLK 9 #3HH | 10,500 | 00338589 |
| 737797 | Apr 20, 2012 | Apr 20, 2012 | Discovery Operating, Inc. | Andrews 3 #4 | 7,999 | 00344194 |
| 737678 | Apr 20, 2012 | Apr 20, 2012 | Sandridge Expl. and Prod., LLC | WT Ford #23 | 4,900 | 00344193 |
| 737677 | Apr 20, 2012 | Apr 20, 2012 | Sandridge Expl. and Prod., LLC | Nix 1A #11 | 4,900 | 00344192 |
| 737571 | Apr 19, 2012 | Apr 19, 2012 | Sandridge Expl. and Prod., LLC | Thornberry 5A #6 | 4,900 | 00344190 |
| 737554 | Apr 19, 2012 | Apr 19, 2012 | Sandridge Expl. and Prod., LLC | University I #3203 | 8,500 | 00344189 |
| 737552 | Apr 19, 2012 | Apr 19, 2012 | Sandridge Expl. and Prod., LLC | University 13-46 #29 | 7,300 | 00344188 |
| 737504 | Apr 19, 2012 | Apr 19, 2012 | OXY USA Inc. | Mabee 139 #4309 | 13,000 | 00344185 |
| 737502 | Apr 19, 2012 | Apr 19, 2012 | OXY USA Inc. | Mabee 139 #4607 | 12,500 | 00344191 |
| 736009 | Apr 19, 2012 | Apr 19, 2012 | OXY USA Inc. | Universitycaitlin #5 | 12,200 | 00344113 |
| 736000 | Apr 19, 2012 | Apr 19, 2012 | OXY USA Inc. | State Ruby Grace #13 | 12,200 | 00344112 |
| 737445 | Apr 18, 2012 | Apr 18, 2012 | Chesapeake Operating, Inc. | Mabee W #8 | 12,000 | 00344183 |
| 735786 | Apr 18, 2012 | Apr 18, 2012 | Conocophillips Company | University Andrews #199 | 8,700 | 00344096 |
| 737366 | Apr 17, 2012 | Apr 17, 2012 | Sandridge Expl. and Prod., LLC | Stuckert #28 | 4,900 | 00344182 |
| 737360 | Apr 17, 2012 | Apr 17, 2012 | OXY USA Inc. | Mustang #3406 | 12,500 | 00344181 |
| 737292 | Apr 17, 2012 | Apr 17, 2012 | Sandridge Expl. and Prod., LLC | Thornberry-LZS #34 | 4,900 | 00344177 |
| 737287 | Apr 17, 2012 | Apr 17, 2012 | Sandridge Expl. and Prod., LLC | JT Lindley #29 | 4,900 | 00344173 |
| 737279 | Apr 17, 2012 | Apr 17, 2012 | OXY USA Inc. | Mabee 139 #4320 | 13,000 | 31737980 |
| 736573 | Apr 17, 2012 | Apr 17, 2012 | Texland Petroleum, L.P. | Boydell South Unit #603 | 7,500 | 00344170 |
| 737296 | Apr 16, 2012 | Apr 16, 2012 | Sandridge Expl. and Prod., LLC | Knight Watson #18 | 4,900 | 00344179 |
| 737295 | Apr 16, 2012 | Apr 16, 2012 | Sandridge Expl. and Prod., LLC | WT Ford #24 | 4,900 | 00344178 |
| 737290 | Apr 16, 2012 | Apr 16, 2012 | Sandridge Expl. and Prod., LLC | Glasscock A #13 | 4,900 | 00344175 |
| 737288 | Apr 16, 2012 | Apr 16, 2012 | Sandridge Expl. and Prod., LLC | Lyda Miles Gap #17 | 4,900 | 00344174 |
| 737286 | Apr 16, 2012 | Apr 16, 2012 | Sandridge Expl. and Prod., LLC | Bush-Rasmussen #30 | 4,900 | 00344180 |
| 737190 | Apr 16, 2012 | Apr 16, 2012 | Sheridan Production Company, LLC | Sage-Exxon '6' #7 | 4,758 | 00338174 |
| 737152 | Apr 16, 2012 | Apr 16, 2012 | Sandridge Expl. and Prod., LLC | Thornberry 5 #18 | 4,900 | 00344166 |
| 737291 | Apr 13, 2012 | Apr 13, 2012 | Sandridge Expl. and Prod., LLC | Parker C #8 | 4,900 | 00344176 |
| 737183 | Apr 13, 2012 | Apr 13, 2012 | Texland Petroleum, L.P. | Emory #5 | 6,200 | 00344167 |
| 737118 | Apr 13, 2012 | Apr 13, 2012 | OXY USA Inc. | Mabee 139 #4318 | 12,500 | 00344165 |
| 737044 | Apr 13, 2012 | Apr 13, 2012 | Sandridge Expl. and Prod., LLC | RC Jones #22 | 4,900 | 00344184 |
| 737044Amendment | Apr 13, 2012 | Apr 13, 2012 | Sandridge Expl. and Prod., LLC | RC Jones #22 | 4,900 | 00344184 |
| 737034 | Apr 13, 2012 | Apr 13, 2012 | Sandridge Expl. and Prod., LLC | Munger Nix #134 | 4,900 | 00344161 |
| 737032 | Apr 13, 2012 | Apr 13, 2012 | Sandridge Expl. and Prod., LLC | Prichard #1 | 4,900 | 00344163 |
| 736979 | Apr 13, 2012 | Apr 13, 2012 | OXY USA Inc. | Mabee 139 #4708 | 12,500 | 00344160 |
| 736179 | Apr 13, 2012 | Apr 13, 2012 | Clearfork Production, LLC | Big Max 12 #101 | 10,500 | 00335975 |
| 736179Amendment | Apr 13, 2012 | Apr 13, 2012 | Clearfork Production, LLC | Big Max 12 #101 | 10,500 | 00335975 |
| 737025 | Apr 12, 2012 | Apr 12, 2012 | Americo Energy Resources, LLC | Emma Ellen Cons. #N 5N | 9,350 | 00310703 |
| 736098 | Apr 12, 2012 | Apr 12, 2012 | Samson Lone Star, LLC | University 9-12 #1 | 10,200 | 00342556 |
| 736095 | Apr 12, 2012 | Apr 12, 2012 | Samson Lone Star, LLC | University 'B' 1-20 #1 | 11,400 | 00342591 |
| 736093 | Apr 12, 2012 | Apr 12, 2012 | Samson Lone Star, LLC | University 1-26 #1 | 11,500 | 00342632 |
| 737175 | Apr 11, 2012 | Apr 11, 2012 | Texland Petroleum, L.P. | Elena #4 | 6,200 | 00344168 |
| 736965 | Apr 11, 2012 | Apr 11, 2012 | Conocophillips Company | University UB #4 | 8,300 | 00344159 |
| 736957 | Apr 11, 2012 | Apr 11, 2012 | Conocophillips Company | University UB #3 | 8,000 | 00344158 |
| 736860 | Apr 10, 2012 | Apr 10, 2012 | Sandridge Expl. and Prod., LLC | Ranch 4 #5 | 4,900 | 00344156 |
| 736858 | Apr 10, 2012 | Apr 10, 2012 | Sandridge Expl. and Prod., LLC | Ranch 4 #6 | 4,900 | 00344155 |
| 736857 | Apr 10, 2012 | Apr 10, 2012 | Sandridge Expl. and Prod., LLC | Ranch 4 #22 | 4,900 | 00344154 |
| 736856 | Apr 10, 2012 | Apr 10, 2012 | Sandridge Expl. and Prod., LLC | Munger & Nix C #7 | 4,900 | 00344153 |
| 736855 | Apr 10, 2012 | Apr 10, 2012 | Sandridge Expl. and Prod., LLC | Ranch 4 #24 | 4,900 | 00344152 |
| 736820 | Apr 9, 2012 | Apr 9, 2012 | Sandridge Expl. and Prod., LLC | Munger Nix #185 | 4,900 | 00344151 |
| 736728 | Apr 9, 2012 | Apr 9, 2012 | Discovery Operating, Inc. | University 11B #5 | 7,999 | 00344149 |
| 736705 | Apr 9, 2012 | Apr 9, 2012 | Sandridge Expl. and Prod., LLC | Thornberry-LZS #24 | 4,900 | 00344145 |
| 736704 | Apr 9, 2012 | Apr 9, 2012 | Sandridge Expl. and Prod., LLC | Thornberry G #18 | 4,900 | 00344144 |
| 736702 | Apr 9, 2012 | Apr 9, 2012 | Sandridge Expl. and Prod., LLC | Thornberry -F- #37 | 4,900 | 00344147 |
| 736699 | Apr 9, 2012 | Apr 9, 2012 | Sandridge Expl. and Prod., LLC | MA Thornberry 'a' LZS #23 | 4,900 | 00344143 |
| 736698 | Apr 9, 2012 | Apr 9, 2012 | Sandridge Expl. and Prod., LLC | MA Thornberry 'a' LZS #29 | 4,900 | 00344142 |
| 736722 | Apr 6, 2012 | Apr 6, 2012 | Sandridge Expl. and Prod., LLC | JW Gowens #20 | 4,900 | 00344150 |
| 736720 | Apr 6, 2012 | Apr 6, 2012 | Sandridge Expl. and Prod., LLC | Leta Jones #7 | 4,900 | 00344148 |
| 736706 | Apr 5, 2012 | Apr 5, 2012 | Dinero Operating Company | State of Texas CX #5 | 10,000 | 00344146 |
| 736599 | Apr 5, 2012 | Apr 5, 2012 | XTO Energy Inc. | Univeristy BLK 9 #12AOH | 10,800 | 00338320 |
| 736577 | Apr 5, 2012 | Apr 5, 2012 | Texland Petroleum, L.P. | Boydell South Unit #704 | 7,500 | 00344135 |
| 733756 | Apr 4, 2012 | Apr 4, 2012 | PDC Energy | University Frances #4036 | 11,900 | 00343984 |
| 736437 | Apr 2, 2012 | Apr 2, 2012 | Sandridge Expl. and Prod., LLC | Knight #16 | 4,900 | 00344138 |
| 736434 | Apr 2, 2012 | Apr 2, 2012 | Sandridge Expl. and Prod., LLC | Munger Nix #180 | 4,900 | 00344137 |
| 736433 | Apr 2, 2012 | Apr 2, 2012 | Sandridge Expl. and Prod., LLC | JT Lindley-Lynne #54 | 4,900 | 00344139 |
| 736604 | Mar 30, 2012 | Mar 30, 2012 | Texland Petroleum, L.P. | Boydell South Unit #803 | 7,500 | 00344136 |
| 736574 | Mar 30, 2012 | Mar 30, 2012 | Texland Petroleum, L.P. | Boydell South Unit #202 | 7,500 | 00344134 |
| 736382 | Mar 30, 2012 | Mar 30, 2012 | Conocophillips Company | University Andrews #212 | 8,800 | 00344131 |
| 736377 | Mar 30, 2012 | Mar 30, 2012 | Sandridge Expl. and Prod., LLC | Lindley-Remuda #71 | 4,900 | 00344132 |
| 736373 | Mar 30, 2012 | Mar 30, 2012 | Conocophillips Company | University Andrews #211 | 8,800 | 00344129 |
| 736366 | Mar 30, 2012 | Mar 30, 2012 | Sandridge Expl. and Prod., LLC | Lindley-Remuda #66 | 4,900 | 00344130 |
| 736365 | Mar 30, 2012 | Mar 30, 2012 | Sandridge Expl. and Prod., LLC | Nix Fuhrman #6 | 4,900 | 00344133 |
| 736365Amendment | Mar 30, 2012 | Mar 30, 2012 | Sandridge Expl. and Prod., LLC | CC Nix Fuhrman B #11 | 5,200 | 00344133 |
| 736364 | Mar 30, 2012 | Mar 30, 2012 | Sandridge Expl. and Prod., LLC | Nix Fuhrman #7 | 4,900 | 00344128 |
| 736301 | Mar 30, 2012 | Mar 30, 2012 | OXY USA Inc. | Mabee 140A #4507 | 12,500 | 00344124 |
| 736289 | Mar 30, 2012 | Mar 30, 2012 | OXY USA Inc. | Mabee 139 #4716 | 12,500 | 00344123 |
| 735093 | Mar 30, 2012 | Mar 30, 2012 | Energen Resources Corporation | West Fuhrman-Mascho Unit #1728 | 4,900 | 00344125 |
| 733837 | Mar 30, 2012 | Mar 30, 2012 | Henry Resources LLC | BOHANNON26 #37 | 12,500 | 00343963 |
| 733817 | Mar 30, 2012 | Mar 30, 2012 | Henry Resources LLC | BOHANNON26 #38 | 12,500 | 00343962 |
| 736308 | Mar 29, 2012 | Mar 29, 2012 | Clearfork Production, LLC | Big Max 13 #3 | 11,500 | 00344126 |
| 736277 | Mar 29, 2012 | Mar 29, 2012 | SM Energy Company | University 36 Pinnacle #2 | 11,250 | 00344122 |
| 736277Amendment | Mar 29, 2012 | Mar 29, 2012 | SM Energy Company | University 36 Pinnacle #2H | 11,250 | 00344122 |
| 736263 | Mar 29, 2012 | Mar 29, 2012 | Conocophillips Company | University Andrews #207 | 8,800 | 00344127 |
| 736148 | Mar 27, 2012 | Mar 27, 2012 | Trilogy Operating, Inc. | McFarland #1 | 12,000 | 00344116 |
| 736023 | Mar 27, 2012 | Mar 27, 2012 | OXY USA Inc. | Universitypamela #6 | 12,200 | 00344120 |
| 736086 | Mar 26, 2012 | Mar 26, 2012 | Sandridge Expl. and Prod., LLC | Nix 20 LZS #7 | 4,900 | 00344118 |
| 736084 | Mar 26, 2012 | Mar 26, 2012 | Sandridge Expl. and Prod., LLC | Nix 20 LZS #19 | 4,900 | 00344117 |
| 735958 | Mar 26, 2012 | Mar 26, 2012 | Sandridge Expl. and Prod., LLC | Parker D #15 | 4,900 | 00344111 |
| 735269 | Mar 26, 2012 | Mar 26, 2012 | Sandridge Expl. and Prod., LLC | University 9 #20 | 9,000 | 00344121 |
| 735968 | Mar 24, 2012 | Mar 24, 2012 | Sandridge Expl. and Prod., LLC | University Consolidated Xii #4005 | 7,300 | 00344108 |
| 735957 | Mar 24, 2012 | Mar 24, 2012 | Sandridge Expl. and Prod., LLC | Lindley-Remuda #45 | 4,900 | 00344106 |