| 2007-11-06 | 648732 | 42-495-33272 | UNIVERSITY 20-40 #1 | CHESAPEAKE OPERATING, INC. | DRILL | 20,000 | |
| 2007-11-05 | 648566 | 42-495-01696 | O'BRIEN, G.W., ETAL #10W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-10-31 | 648438 | 42-495-30150 | MITCHELL, G.P. "A" #2 | G P II ENERGY, INC. | RENTR | 17,430 | |
| 2007-10-24 | 648084 | 42-495-01405 | O'BRIEN, G.W., ETAL #213W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-10-24 | 648080 | 42-495-01394 | O'BRIEN, G.W., ETAL #189W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-10-24 | 648078 | 42-495-01722 | O'BRIEN, G.W., ETAL #147W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-10-24 | 648075 | 42-495-01725 | O'BRIEN, G.W., ETAL #136W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-10-24 | 648074 | 42-495-05976 | O'BRIEN, G.W., ETAL #11W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-10-19 | 647968 | 42-495-33270 | UNIVERSITY "20-11A" #6 | POGO PRODUCING COMPANY | DRILL | 5,300 | |
| 2007-10-19 | 647928 | 42-495-01548 | O'BRIEN, G. W., ETAL #576W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-10-19 | 647927 | 42-495-01398 | O'BRIEN, G. W., ETAL #205W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-10-19 | 647921 | 42-495-01713 | O'BRIEN, G. W., ETAL #216W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-10-19 | 647918 | 42-495-01473 | O'BRIEN, G. W., ETAL #441W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-10-18 | 647774 | 42-495-01494 | O'BRIEN, G. W., ETAL #487W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-10-18 | 647773 | 42-495-01404 | O'BRIEN, G. W., ETAL #212W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-10-18 | 647772 | 42-495-01402 | O'BRIEN, G. W., ETAL #209W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-10-18 | 647771 | 42-495-01400 | O'BRIEN, G. W., ETAL #207W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-10-18 | 647769 | 42-495-31345 | O'BRIEN, G. W., ETAL #46W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-10-18 | 647768 | 42-495-31201 | O'BRIEN, G. W., ETAL #39W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-10-17 | 647684 | 42-495-02230 | HOGG "21" #1 | CORKRAN ENERGY, LP | RENTR | 11,500 | |
| 2007-10-17 | 647684 | 42-495-02230 | HOGG "21" #1 | CORKRAN ENERGY, LP | RENTR | 11,810 | |
| 2007-09-28 | 646681 | 42-495-33267 | SOUTH KEYSTONE/ELLEN/UNIT #1403 | DEVON ENERGY PRODUCTION CO, L.P. | DRILL | 10,900 | |
| 2007-09-28 | 646512 | 42-495-33266 | BROWN-ALTMAN ACCT 1 #23W | G P II ENERGY, INC. | DRILL | 3,250 | |
| 2007-08-27 | 635173 | 42-495-33263 | UNIVERSITY 20-15 #1 | CHESAPEAKE OPERATING, INC. | DRILL | 20,000 | |
| 2007-08-24 | 642864 | 42-495-00559 | BROWN ALTMAN #2 | MERIT ENERGY COMPANY | RECOMP | 3,155 | |
| 2007-08-22 | 643740 | 42-495-11043 | O'BRIEN, G. W., ETAL #1056 | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643738 | 42-495-01499 | O'BRIEN, G. W., ETAL #690W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643736 | 42-495-01498 | O'BRIEN, G. W., ETAL #689W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643733 | 42-495-01518 | O'BRIEN, G. W., ETAL #688W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643732 | 42-495-01571 | O'BRIEN, G. W., ETAL #634W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643730 | 42-495-01570 | O'BRIEN, G. W., ETAL #633W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643728 | 42-495-01561 | O'BRIEN, G. W., ETAL #626W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643727 | 42-495-01566 | O'BRIEN, G. W., ETAL #625W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643725 | 42-495-01565 | O'BRIEN, G. W., ETAL #624W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643724 | 42-495-01708 | O'BRIEN, G. W., ETAL #612W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643723 | 42-495-01709 | O'BRIEN, G. W., ETAL #611W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643722 | 42-495-01586 | O'BRIEN, G. W., ETAL #508W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643719 | 42-495-01596 | O'BRIEN, G. W., ETAL #507W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643717 | 42-495-01475 | O'BRIEN, G. W., ETAL #443W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643716 | 42-495-01415 | O'BRIEN, G. W., ETAL #228W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643715 | 42-495-01414 | O'BRIEN, G. W., ETAL #227W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643713 | 42-495-01413 | O'BRIEN, G. W., ETAL #225W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643712 | 42-495-01410 | O'BRIEN, G. W., ETAL #222W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643711 | 42-495-01715 | O'BRIEN, G. W., ETAL #192W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643022 | 42-495-01678 | O'BRIEN, G. W., ETAL #814W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643021 | 42-495-01637 | O'BRIEN, G. W., ETAL #754W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643020 | 42-495-01617 | O'BRIEN, G. W., ETAL #728W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643019 | 42-495-01616 | O'BRIEN, G. W., ETAL #727W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643018 | 42-495-01501 | O'BRIEN, G. W., ETAL #693W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2007-08-22 | 643015 | 42-495-05200 | O'BRIEN, G. W., ETAL #692W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |