| 642759 | Jul 30, 2007 | Jul 30, 2007 | OK Arena Operating Company | Fly #800340228 | 4,900 |
| 642755 | Jul 30, 2007 | Jul 30, 2007 | Qualia, C. F. Operating,inc. | Selma Andrews "A" #3SA00340227 | 4,750 |
| 640743 | Jul 25, 2007 | Jul 25, 2007 | OK Arena Operating Company | Lockhart & Brown A #500340207 | 4,900 |
| 641958 | Jul 16, 2007 | Jul 16, 2007 | Phoenix Petrocorp, Inc. | South Fuhrman-Mascho Unit #161200340224 | 5,000 |
| 641953 | Jul 16, 2007 | Jul 16, 2007 | Phoenix Petrocorp, Inc. | South Fuhrman-Mascho Unit #58400340220 | 5,000 |
| 641952 | Jul 14, 2007 | Jul 14, 2007 | Phoenix Petrocorp, Inc. | South Fuhrman-Mascho Unit #57400340219 | 5,000 |
| 641951 | Jul 14, 2007 | Jul 14, 2007 | Phoenix Petrocorp, Inc. | South Fuhrman-Mascho Unit #56400340218 | 5,000 |
| 641939 | Jul 14, 2007 | Jul 14, 2007 | Apache Corporation | University BR #100305992 | 9,000 |
| 641796 | Jul 14, 2007 | Jul 14, 2007 | Burleson, Lewis B. Inc. | Blackdog #100340216 | 7,300 |
| 641751 | Jul 13, 2007 | Jul 13, 2007 | Chesapeake Operating, Inc. | University 7-24 #100340215 | 12,000 |
| 642268 | Jul 12, 2007 | Jul 12, 2007 | Triumph Exploration, Inc. | Hillbilly #400340217 | 4,900 |
| 640745 | Jul 10, 2007 | Jul 10, 2007 | OK Arena Operating Company | Lockhart & Brown B #200340208 | 4,900 |
| 641167 | Jul 3, 2007 | Jul 3, 2007 | Texland Petroleum, L.P. | Scarborough (San Andres) Uni #117100340214 | 4,800 |
| 641166 | Jul 3, 2007 | Jul 3, 2007 | Texland Petroleum, L.P. | Scarborough (San Andres) Unit #203400340213 | 4,800 |
| 641154 | Jul 3, 2007 | Jul 3, 2007 | Whiting Oil and Gas Corporation | University -3- #31100340212 | 8,100 |
| 641153 | Jul 3, 2007 | Jul 3, 2007 | Whiting Oil and Gas Corporation | University -3- #30900340211 | 8,100 |
| 641150 | Jul 3, 2007 | Jul 3, 2007 | Whiting Oil and Gas Corporation | University -2- #20800340210 | 8,100 |
| 638893 | Jul 3, 2007 | Jul 3, 2007 | Energen Resources Corporation | University "14-A" #900340172 | 8,500 |
| 638893Amendment | Jul 3, 2007 | Jul 3, 2007 | Energen Resources Corporation | University "14-A" #900340172 | 8,500 |
| 640899 | Jun 28, 2007 | Jun 28, 2007 | St. Mary Land & Exploration Co. | University 1 Sabrina #500340209 | 10,600 |
| 640562 | Jun 26, 2007 | Jun 26, 2007 | Range Production Company | West Fuhrman-Mascho Unit #50900340200 | 4,900 |
| 640560 | Jun 26, 2007 | Jun 26, 2007 | Range Production Company | West Fuhrman-Mascho Unit #50800340197 | 4,900 |
| 640696 | Jun 25, 2007 | Jun 25, 2007 | OK Arena Operating Company | Leona A #300340203 | 4,900 |
| 640632 | Jun 25, 2007 | Jun 25, 2007 | Range Production Company | West Fuhrman-Mascho Unit #52400340201 | 4,900 |
| 640559 | Jun 25, 2007 | Jun 25, 2007 | Range Production Company | West Fuhrman-Mascho Unit #58500340196 | 4,900 |
| 640056 | Jun 25, 2007 | Jun 25, 2007 | Range Production Company | West Fuhrman-Mascho Unit #52100340187 | 4,900 |
| 640690 | Jun 22, 2007 | Jun 22, 2007 | OK Arena Operating Company | Ernesteen #1000340206 | 4,900 |
| 640688 | Jun 22, 2007 | Jun 22, 2007 | OK Arena Operating Company | Ernesteen #900340205 | 4,900 |
| 640686 | Jun 22, 2007 | Jun 22, 2007 | OK Arena Operating Company | Ernesteen #800340204 | 4,900 |
| 640684 | Jun 22, 2007 | Jun 22, 2007 | OK Arena Operating Company | University 47A #1400340202 | 4,900 |
| 640563 | Jun 22, 2007 | Jun 22, 2007 | Range Production Company | West Fuhrman-Mascho Unit #55600340199 | 4,900 |
| 640561 | Jun 22, 2007 | Jun 22, 2007 | Range Production Company | West Fuhrman-Mascho Unit #52500340198 | 4,900 |
| 640558 | Jun 21, 2007 | Jun 21, 2007 | Range Production Company | Lockhart & Brown 16 #600340195 | 4,900 |
| 639101 | Jun 20, 2007 | Jun 20, 2007 | Encore Operating, L.P. | Ford, W. T. "C" #3100340155 | 5,000 |
| 639098Amendment | Jun 20, 2007 | Jun 20, 2007 | XTO Energy Inc. | Texas Q #9HH00338690 | 10,800 |
| 639047 | Jun 18, 2007 | Jun 18, 2007 | Encore Operating, L.P. | Ford, W. T. "C" #3000340153 | 5,000 |
| 640065 | Jun 12, 2007 | Jun 12, 2007 | Citation Oil & Gas Corp. | King, E. F. #1400305238 | 5,914 |
| 640064 | Jun 12, 2007 | Jun 12, 2007 | OK Arena Operating Company | University 47A #1300341498 | 4,900 |
| 640062 | Jun 12, 2007 | Jun 12, 2007 | OK Arena Operating Company | University 47A #1200340191 | 4,900 |
| 640061 | Jun 12, 2007 | Jun 12, 2007 | OK Arena Operating Company | University 47A #1100340190 | 4,900 |
| 640060 | Jun 12, 2007 | Jun 12, 2007 | OK Arena Operating Company | University 47A #1000340189 | 4,900 |
| 640053 | Jun 12, 2007 | Jun 12, 2007 | Range Production Company | West Fuhrman-Mascho Unit #51700340193 | 4,900 |
| 640052 | Jun 12, 2007 | Jun 12, 2007 | Range Production Company | West Fuhrman-Mascho Unit #51500340184 | 4,900 |
| 639879 | Jun 12, 2007 | Jun 12, 2007 | Range Production Company | West Fuhrman-Mascho Unit #52000340194 | 4,900 |
| 640057 | Jun 11, 2007 | Jun 11, 2007 | Range Production Company | West Fuhrman-Masch Unit #51400340188 | 4,900 |
| 640055 | Jun 11, 2007 | Jun 11, 2007 | Range Production Company | West Fuhrman-Mascho Unit #54500340186 | 4,900 |
| 640054 | Jun 11, 2007 | Jun 11, 2007 | Range Production Company | West Fuhrman-Mascho Unit #52200340185 | 4,900 |
| 640051 | Jun 11, 2007 | Jun 11, 2007 | Range Production Company | West Fuhrman-Mascho Unit #54000340183 | 4,900 |
| 639882 | Jun 11, 2007 | Jun 11, 2007 | Range Production Company | West Fuhrman-Mascho Unit #51600340176 | 4,900 |
| 639876 | Jun 11, 2007 | Jun 11, 2007 | Range Production Company | West Fuhrman-Mascho Unit #58600340173 | 4,900 |
| 639539 | Jun 11, 2007 | Jun 11, 2007 | Range Production Company | West Fuhrman-Mascho Unit #55800340162 | 4,900 |
| 639920 | Jun 8, 2007 | Jun 8, 2007 | Range Production Company | West Fuhrman-Mascho Unit #55300340181 | 4,900 |
| 639918 | Jun 8, 2007 | Jun 8, 2007 | Range Production Company | West Fuhrman-Mascho Unit #54400340180 | 4,900 |
| 639917 | Jun 8, 2007 | Jun 8, 2007 | Range Production Company | West Fuhrman-Mascho Unit #53800340179 | 4,900 |
| 639916 | Jun 8, 2007 | Jun 8, 2007 | Range Production Company | Lockhart & Brown 16 #900340178 | 4,900 |
| 639915 | Jun 8, 2007 | Jun 8, 2007 | Range Production Company | Cox #800340177 | 4,900 |
| 639914 | Jun 8, 2007 | Jun 8, 2007 | Range Production Company | West Fuhrman-Mascho Unit #52300340182 | 4,900 |
| 639880 | Jun 7, 2007 | Jun 7, 2007 | Range Production Company | West Fuhrman-Mascho Unit #51800340175 | 4,900 |
| 639878 | Jun 7, 2007 | Jun 7, 2007 | Range Production Company | West Fuhrman-Mascho Unit #40600340174 | 4,900 |
| 639853 | Jun 7, 2007 | Jun 7, 2007 | Browning Oil Company, Inc. | McWhorter 5 #1RE00336297 | 4,000 |
| 638889 | Jun 7, 2007 | Jun 7, 2007 | Energen Resources Corporation | University "14-A" #700340171 | 8,500 |
| 638889Amendment | Jun 7, 2007 | Jun 7, 2007 | Energen Resources Corporation | University "14-A" #700340171 | 8,500 |
| 638889Amendment | Jun 7, 2007 | Jun 7, 2007 | Energen Resources Corporation | University "14-A" #700340171 | 8,173 |
| 639834 | Jun 6, 2007 | Jun 6, 2007 | Energen Resources Corporation | University "14-A" #300339177 | 7,403 |
| 639805 | Jun 6, 2007 | Jun 6, 2007 | OK Arena Operating Company | University 47A #900341743 | 4,900 |
| 639803 | Jun 6, 2007 | Jun 6, 2007 | OK Arena Operating Company | University 47A #800340169 | 4,900 |
| 639802 | Jun 6, 2007 | Jun 6, 2007 | OK Arena Operating Company | University 47A #700340168 | 4,900 |
| 639802Amendment | Jun 6, 2007 | Jun 6, 2007 | OK Arena Operating Company | University 47A #700340168 | 4,900 |
| 639788 | Jun 4, 2007 | Jun 4, 2007 | OK Arena Operating Company | University 47 #1200340167 | 4,900 |
| 639782 | Jun 4, 2007 | Jun 4, 2007 | OK Arena Operating Company | University 47 #1100340166 | 4,900 |
| 639779 | Jun 4, 2007 | Jun 4, 2007 | OK Arena Operating Company | University 47 #1000341504 | 4,900 |
| 639777 | Jun 4, 2007 | Jun 4, 2007 | OK Arena Operating Company | University 47 #900340164 | 4,900 |
| 639775 | Jun 4, 2007 | Jun 4, 2007 | OK Arena Operating Company | University 47 #800340163 | 4,900 |
| 639537 | May 29, 2007 | May 29, 2007 | Range Production Company | West Fuhrman-Mascho Unit #55100340160 | 4,900 |
| 639535 | May 29, 2007 | May 29, 2007 | Range Production Company | West Fuhrman-Mascho Unit #54600340161 | 4,900 |
| 639533 | May 29, 2007 | May 29, 2007 | Range Production Company | West Fuhrman-Mascho Unit #54200340159 | 4,900 |
| 639383 | May 24, 2007 | May 24, 2007 | OK Arena Operating Company | Bassel #1100340156 | 4,900 |
| 639381 | May 24, 2007 | May 24, 2007 | OK Arena Operating Company | University 13-46 #1300340157 | 4,900 |
| 639381Amendment | May 24, 2007 | May 24, 2007 | OK Arena Operating Company | University Lands "13-46" #1300340157 | 4,900 |
| 639380 | May 24, 2007 | May 24, 2007 | OK Arena Operating Company | Thornberry Consolidated I #1700340158 | 4,900 |
| 639062 | May 24, 2007 | May 24, 2007 | Encore Operating, L.P. | Ford, W. T. "C" #2900340154 | 5,000 |
| 639098 | May 21, 2007 | May 21, 2007 | XTO Energy Inc. | Texas Q #9HH00338690 | 10,800 |
| 638950 | May 19, 2007 | May 19, 2007 | OXY USA WTP LP | University QB #100340152 | 10,000 |
| 638926 | May 19, 2007 | May 19, 2007 | OK Arena Operating Company | Knight #700340151 | 4,900 |
| 638891 | May 19, 2007 | May 19, 2007 | Energen Resources Corporation | University "14-A" #800340150 | 8,500 |
| 638891Amendment | May 19, 2007 | May 19, 2007 | Energen Resources Corporation | University "14-A" #800340150 | 8,500 |
| 638790 | May 18, 2007 | May 18, 2007 | XTO Energy Inc. | University 9B #6HH00338261 | 10,500 |
| 638778 | May 17, 2007 | May 17, 2007 | Wilbanks, Bruce A. Company | Evans, Mary Kate 16 #100310392 | 9,600 |
| 638748 | May 17, 2007 | May 17, 2007 | OK Arena Operating Company | University 13-46 #1200340149 | 4,900 |
| 638748Amendment | May 17, 2007 | May 17, 2007 | OK Arena Operating Company | University 13-46 #1200340149 | 4,900 |
| 638748Amendment | May 17, 2007 | May 17, 2007 | OK Arena Operating Company | University Lands "13-46" #1200340149 | 4,900 |
| 638746 | May 17, 2007 | May 17, 2007 | OK Arena Operating Company | University 13-46 #1100340148 | 4,900 |
| 638746Amendment | May 17, 2007 | May 17, 2007 | OK Arena Operating Company | University Lands 13-46 #1100340148 | 4,900 |
| 638740 | May 17, 2007 | May 17, 2007 | OK Arena Operating Company | University 13-46 #1000340147 | 4,900 |
| 638740Amendment | May 17, 2007 | May 17, 2007 | OK Arena Operating Company | University Lands 13-46 #1000340147 | 4,900 |
| 638734 | May 17, 2007 | May 17, 2007 | OK Arena Operating Company | University 13-46 #900340146 | 4,900 |
| 638734Amendment | May 17, 2007 | May 17, 2007 | OK Arena Operating Company | University Lands "13-46" #900340146 | 4,900 |
| 638410 | May 14, 2007 | May 14, 2007 | OK Arena Operating Company | Thornberry Consolidated III #1900340145 | 4,900 |
| 638409 | May 14, 2007 | May 14, 2007 | OK Arena Operating Company | Thornberry Consolidated III #1800340144 | 4,900 |
| 638157 | May 9, 2007 | May 9, 2007 | Samson Lone Star LP | University 6032 #100340143 | 13,000 |