| 617532Amendment | Apr 21, 2006 | Apr 21, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W., Etal #1012 | 4,000 | 47511100 |
| 617526 | Apr 21, 2006 | Apr 21, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #964 | 4,000 | 47511072 |
| 617526Amendment | Apr 21, 2006 | Apr 21, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W., Etal #964 | 4,000 | 47511072 |
| 617523 | Apr 21, 2006 | Apr 21, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #965 | 4,000 | 47511073 |
| 617523Amendment | Apr 21, 2006 | Apr 21, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W., Etal #965 | 4,000 | 47511073 |
| 617528 | Apr 20, 2006 | Apr 20, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #1003 | 4,000 | 47511096 |
| 617528Amendment | Apr 20, 2006 | Apr 20, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. et Al #1003 | 4,000 | 47511096 |
| 617540 | Apr 19, 2006 | Apr 19, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #1109 | 4,000 | 47510268 |
| 617540Amendment | Apr 19, 2006 | Apr 19, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. Etal #1109 | 4,000 | 47510268 |
| 617488 | Apr 19, 2006 | Apr 19, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #904 | 4,000 | 47511008 |
| 617488Amendment | Apr 19, 2006 | Apr 19, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W., Etal #904 | 4,000 | 47511008 |
| 617442 | Apr 19, 2006 | Apr 19, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #149 | 4,000 | 47501595 |
| 617442Amendment | Apr 19, 2006 | Apr 19, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W., Etal #149 | 4,000 | 47501595 |
| 617520 | Apr 18, 2006 | Apr 18, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #939 | 4,000 | 47511053 |
| 617520Amendment | Apr 18, 2006 | Apr 18, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W., Etal #939 | 4,000 | 47511053 |
| 617518 | Apr 18, 2006 | Apr 18, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #921 | 4,000 | 47511031 |
| 617518Amendment | Apr 18, 2006 | Apr 18, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W., Etal #921 | 4,000 | 47511031 |
| 617486 | Apr 18, 2006 | Apr 18, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #232 | 4,000 | 47501644 |
| 617486Amendment | Apr 18, 2006 | Apr 18, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W., Etal #232 | 4,000 | 47501644 |
| 617474 | Apr 18, 2006 | Apr 18, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #168 | 4,000 | 47501610 |
| 617474Amendment | Apr 18, 2006 | Apr 18, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W., Etal #168 | 4,000 | 47501610 |
| 617254 | Apr 14, 2006 | Apr 14, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #131 | 4,000 | 47501581 |
| 617254Amendment | Apr 14, 2006 | Apr 14, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #131 | 4,000 | 47501581 |
| 617253 | Apr 14, 2006 | Apr 14, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #33 | 4,000 | 47530452 |
| 617253Amendment | Apr 14, 2006 | Apr 14, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. Etal #33W | 4,000 | 47530452 |
| 617252 | Apr 14, 2006 | Apr 14, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #29 | 4,000 | 47530211 |
| 617252Amendment | Apr 14, 2006 | Apr 14, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #29 | 4,000 | 47530211 |
| 617251 | Apr 14, 2006 | Apr 14, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #27 | 4,000 | 47530030 |
| 617251Amendment | Apr 14, 2006 | Apr 14, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W., et Al #27 | 4,000 | 47530030 |
| 617249 | Apr 14, 2006 | Apr 14, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #18 | 4,000 | 47501946 |
| 617249Amendment | Apr 14, 2006 | Apr 14, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #18 | 4,000 | 47501946 |
| 609944 | Apr 14, 2006 | Apr 14, 2006 | Whiting Oil and Gas Corporation | Ward | Estes, E. W. #300 | 4,000 | 47535023 |
| 609942 | Apr 14, 2006 | Apr 14, 2006 | Whiting Oil and Gas Corporation | Ward | Estes, E. W. #299 | 4,000 | 47535022 |
| 609792 | Apr 14, 2006 | Apr 14, 2006 | Whiting Oil and Gas Corporation | Ward | Estes, E. W. #302 | 4,000 | 47535019 |
| 609564 | Apr 14, 2006 | Apr 14, 2006 | Whiting Oil and Gas Corporation | Ward | Estes, E. W. #293 | 4,000 | 47535014 |
| 617491 | Apr 12, 2006 | Apr 12, 2006 | Whiting Oil and Gas Corporation | Pecos | Trainer Trust 16 #1 | 11,550 | 37137712 |
| 617491Amendment | Apr 12, 2006 | Apr 12, 2006 | Whiting Oil and Gas Corporation | Pecos | Trainer Trust 16 #1 | 11,550 | 37137712 |
| 611279 | Apr 11, 2006 | Apr 11, 2006 | Whiting Oil and Gas Corporation | Ward | Estes, E. W. #295 | 4,000 | 47535040 |
| 610079 | Mar 24, 2006 | Mar 24, 2006 | Whiting Oil and Gas Corporation | Winkler | O'Brien, G. W. #1733 | 4,000 | 49533157 |
| 614553 | Feb 27, 2006 | Feb 27, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #1333 | 4,000 | 47533148 |
| 614553Amendment | Feb 27, 2006 | Feb 27, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W., Etal #1333 | 4,000 | 47533148 |
| 614544 | Feb 27, 2006 | Feb 27, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #1331 | 4,000 | 47533146 |
| 614544Amendment | Feb 27, 2006 | Feb 27, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #1331 | 4,000 | 47533146 |
| 614543 | Feb 27, 2006 | Feb 27, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #1326 | 4,000 | 47533136 |
| 614543Amendment | Feb 27, 2006 | Feb 27, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W., Etal #1326 | 4,000 | 47533136 |
| 614542 | Feb 27, 2006 | Feb 27, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #1321 | 4,000 | 47533145 |
| 614542Amendment | Feb 27, 2006 | Feb 27, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W., Etal #1321 | 4,000 | 47533145 |
| 614539 | Feb 27, 2006 | Feb 27, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #1212 | 4,000 | 47532727 |
| 614539Amendment | Feb 27, 2006 | Feb 27, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #1212 | 4,000 | 47532727 |
| 614538 | Feb 27, 2006 | Feb 27, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #1136 | 4,000 | 47530369 |
| 614538Amendment | Feb 27, 2006 | Feb 27, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W., Etal #1136 | 4,000 | 47530369 |
| 614537 | Feb 27, 2006 | Feb 27, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #1075 | 4,000 | 47511183 |
| 614537Amendment | Feb 27, 2006 | Feb 27, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W., Etal #1075 | 4,000 | 47511183 |
| 614536 | Feb 27, 2006 | Feb 27, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #272 | 4,000 | 47501657 |
| 614536Amendment | Feb 27, 2006 | Feb 27, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W., Etal #272 | 4,000 | 47501657 |
| 614398 | Feb 27, 2006 | Feb 27, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #1325 | 4,000 | 47533165 |
| 614398Amendment | Feb 27, 2006 | Feb 27, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W., Etal #1325 | 4,000 | 47533165 |
| 614372 | Feb 27, 2006 | Feb 27, 2006 | Whiting Oil and Gas Corporation | Ward | Hutchings Stock Association #1655 | 4,000 | 47535060 |
| 614352 | Feb 27, 2006 | Feb 27, 2006 | Whiting Oil and Gas Corporation | Ward | Hutchings Stock Association #1654 | 4,000 | 47535059 |
| 614370 | Feb 23, 2006 | Feb 23, 2006 | Whiting Oil and Gas Corporation | Ward | Hutchings Stock Association #1653 | 4,000 | 47535061 |
| 614454 | Feb 21, 2006 | Feb 21, 2006 | Whiting Oil and Gas Corporation | Karnes | Escondido Creek #1HH | 14,000 | 25531537 |
| 614361 | Feb 17, 2006 | Feb 17, 2006 | Whiting Oil and Gas Corporation | Nueces | Trefflich #1 | 10,000 | 35533781 |
| 613931 | Feb 17, 2006 | Feb 17, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #1106 | 4,000 | 47530070 |
| 613931Amendment | Feb 17, 2006 | Feb 17, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W., Etal #1106 | 4,000 | 47530070 |
| 613913 | Feb 17, 2006 | Feb 17, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #1073 | 4,000 | 47511181 |
| 613913Amendment | Feb 17, 2006 | Feb 17, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W., Etal #1073 | 4,000 | 47511181 |
| 614358 | Feb 16, 2006 | Feb 16, 2006 | Whiting Oil and Gas Corporation | Lamb | Billy (Abo) Unit #15 | 8,000 | 27930385 |
| 613765 | Feb 7, 2006 | Feb 7, 2006 | Whiting Oil and Gas Corporation | Winkler | Keystone Cattle Co #501 | 11,500 | 49533161 |
| 613345 | Jan 31, 2006 | Jan 31, 2006 | Whiting Oil and Gas Corporation | Karnes | Ian Gas Unit #2 | 9,700 | 25531535 |
| 613342 | Jan 31, 2006 | Jan 31, 2006 | Whiting Oil and Gas Corporation | Karnes | Ian Gas Unit #3 | 9,700 | 25531534 |
| 613028 | Jan 26, 2006 | Jan 26, 2006 | Whiting Oil and Gas Corporation | Howard | Ward #1703 | 6,000 | 22735991 |
| 612930 | Jan 24, 2006 | Jan 24, 2006 | Whiting Oil and Gas Corporation | Howard | Guitar #701 | 6,000 | 22735989 |
| 612929 | Jan 24, 2006 | Jan 24, 2006 | Whiting Oil and Gas Corporation | Howard | Guitar Consolidated #1104 | 6,000 | 22735990 |
| 612619 | Jan 23, 2006 | Jan 23, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #845 | 4,000 | 47510271 |
| 612619Amendment | Jan 23, 2006 | Jan 23, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #845 | 4,000 | 47510271 |
| 612619Amendment | Jan 23, 2006 | Jan 23, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. Etal #845 | 4,000 | 47510271 |
| 612617 | Jan 23, 2006 | Jan 23, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #1317 | 4,000 | 47533139 |
| 612617Amendment | Jan 23, 2006 | Jan 23, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #1317 | 4,000 | 47533139 |
| 612617Amendment | Jan 23, 2006 | Jan 23, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. et Al #1317 | 4,000 | 47533139 |
| 612466 | Jan 20, 2006 | Jan 20, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #1328 | 4,000 | 47533163 |
| 612466Amendment | Jan 20, 2006 | Jan 20, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #1328 | 4,000 | 47533163 |
| 612466Amendment | Jan 20, 2006 | Jan 20, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. Etal #1328W | 4,000 | 47533163 |
| 612465 | Jan 20, 2006 | Jan 20, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #954 | 4,000 | 47511068 |
| 612465Amendment | Jan 20, 2006 | Jan 20, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #954 | 4,000 | 47511068 |
| 612465Amendment | Jan 20, 2006 | Jan 20, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. Etal #954 | 4,000 | 47511068 |
| 612464 | Jan 20, 2006 | Jan 20, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #1480 | 4,000 | 47533464 |
| 612464Amendment | Jan 20, 2006 | Jan 20, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. Etal #1480 | 4,000 | 47533464 |
| 612463 | Jan 20, 2006 | Jan 20, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #1323 | 4,000 | 47533142 |
| 612463Amendment | Jan 20, 2006 | Jan 20, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #1323 | 4,000 | 47533142 |
| 612463Amendment | Jan 20, 2006 | Jan 20, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. Etal #1323W | 4,000 | 47533142 |
| 612461 | Jan 20, 2006 | Jan 20, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #71 | 4,000 | 47533161 |
| 612461Amendment | Jan 20, 2006 | Jan 20, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #71 | 4,000 | 47533161 |
| 612461Amendment | Jan 20, 2006 | Jan 20, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. Etal #71AW | 4,000 | 47533161 |
| 612684 | Jan 19, 2006 | Jan 19, 2006 | Whiting Oil and Gas Corporation | Andrews | University -2- #206 | 8,100 | 00339751 |
| 612604 | Jan 18, 2006 | Jan 18, 2006 | Whiting Oil and Gas Corporation | Karnes | Ian Gas Unit #1 | 9,700 | 25531533 |
| 612604Amendment | Jan 18, 2006 | Jan 18, 2006 | Whiting Oil and Gas Corporation | Karnes | Ian Gas Unit #1 | 9,650 | 25531533 |
| 612286 | Jan 18, 2006 | Jan 18, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #955 | 4,000 | 47511069 |
| 612286Amendment | Jan 18, 2006 | Jan 18, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #955 | 4,000 | 47511069 |
| 612286Amendment | Jan 18, 2006 | Jan 18, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W., Etal #955W | 4,000 | 47511069 |
| 612284 | Jan 18, 2006 | Jan 18, 2006 | Whiting Oil and Gas Corporation | Ward | O'Brien, G. W. #16 | 4,000 | 47501813 |