| 2005-09-23 | 606707 | 42-475-01647 | O'BRIEN, G. W., ETAL #238 | WHITING OIL AND GAS CORPORATION | RENTR | 2,814 | |
| 2005-09-23 | 606685 | 42-475-33160 | G.W.O'BRIEN #1307 | CELERO ENERGY, L.P. | RENTR | 3,000 | |
| 2005-09-23 | 606685 | 42-475-33160 | O'BRIEN, G. W. ETAL #1307 | WHITING OIL AND GAS CORPORATION | RENTR | 3,000 | |
| 2005-09-22 | 606682 | 42-475-33219 | O'BRIEN, G. W. #1301 | CELERO ENERGY, L.P. | RENTR | 3,400 | |
| 2005-09-22 | 606682 | 42-475-33219 | O'BRIEN, G. W. #1301 | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2005-09-22 | 606680 | 42-475-33226 | G.W.O'BRIEN #1298 | CELERO ENERGY, L.P. | RENTR | 3,010 | |
| 2005-09-22 | 606680 | 42-475-33226 | O'BRIEN, G. W., ETAL #1298 | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2005-09-21 | 606693 | 42-475-11126 | CAPRITO 82 #1 | ABRAXAS PETROLEUM CORPORATION | RECOMP | 10,500 | |
| 2005-09-21 | 606693 | 42-475-11126 | CAPRITO 82 #1 | ABRAXAS PETROLEUM CORPORATION | RECOMP | 11,820 | |
| 2005-09-19 | 606514 | 42-475-34943 | UNIVERSITY 18-42 #1 | BROWNING OIL COMPANY, INC. | DRILL | 16,500 | |
| 2005-09-19 | 606514 | 42-475-34943 | UNIVERSITY 18-42 #1 | BROWNING OIL COMPANY, INC. | DRILL | 17,200 | |
| 2005-09-19 | 606514 | 42-475-34943 | UNIVERSITY 18-42 #1 | BROWNING OIL COMPANY, INC. | DRILL | 17,200 | |
| 2005-09-15 | 606374 | 42-475-30428 | G.W.O'BRIEN #1139 | CELERO ENERGY, L.P. | RENTR | 2,760 | |
| 2005-09-15 | 606374 | 42-475-30428 | G.W.O'BRIEN ETAL #1139W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2005-09-15 | 606333 | 42-475-33614 | O'BRIEN, G. W. #1504 | CELERO ENERGY, L.P. | RENTR | 2,850 | |
| 2005-09-15 | 606333 | 42-475-33614 | O'BRIEN, G. W. #1504 | WHITING OIL AND GAS CORPORATION | RENTR | 2,850 | |
| 2005-09-15 | 606330 | 42-475-01617 | O'BRIEN, G. W. #177 | CELERO ENERGY, L.P. | RENTR | 2,768 | |
| 2005-09-15 | 606330 | 42-475-01617 | O'BRIEN, G. W. ETAL #177 | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2005-09-15 | 606324 | 42-475-01591 | O'BRIEN, G. W. #143 | CELERO ENERGY, L.P. | RENTR | 2,776 | |
| 2005-09-15 | 606324 | 42-475-01591 | O'BRIEN, G.W., ETAL #143 | WHITING OIL AND GAS CORPORATION | RENTR | 2,776 | |
| 2005-09-15 | 606323 | 42-475-01537 | O'BRIEN, G. W. #83 | CELERO ENERGY, L.P. | RENTR | 2,767 | |
| 2005-09-15 | 606323 | 42-475-01537 | O'BRIEN, G. W. ETAL #83 | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2005-09-14 | 606301 | 42-475-11071 | G.W.O'BRIEN #949W | CELERO ENERGY, L.P. | RENTR | 3,260 | |
| 2005-09-14 | 606301 | 42-475-11071 | G.W.O'BRIEN ETAL #949W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2005-09-14 | 606300 | 42-475-11061 | G.W.O'BRIEN #948 | CELERO ENERGY, L.P. | RENTR | 3,138 | |
| 2005-09-14 | 606300 | 42-475-11061 | O'BRIEN, G. W., ETAL #948 | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2005-09-13 | 606148 | 42-475-34941 | UNIVERSITY 21-18 #3 | E.G.L. RESOURCES, INC. | DRILL | 6,000 | |
| 2005-09-13 | 606147 | 42-475-34940 | UNIVERSITY 22-18 #3A | E.G.L. RESOURCES, INC. | DRILL | 6,000 | |
| 2005-09-13 | 606145 | 42-475-34942 | UNIVERSITY 11-18 #3A | E.G.L. RESOURCES, INC. | DRILL | 6,000 | |
| 2005-09-09 | 606091 | 42-475-01774 | O'BRIEN, G. W. #847W | CELERO ENERGY, L.P. | RENTR | 3,271 | |
| 2005-09-09 | 606091 | 42-475-01774 | O'BRIEN, G. W., ETAL #847W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2005-09-09 | 606090 | 42-475-01626 | O'BRIEN, G. W. #187W | CELERO ENERGY, L.P. | RENTR | 2,800 | |
| 2005-09-09 | 606090 | 42-475-01626 | O'BRIEN, G. W. ETAL #187W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2005-09-09 | 606087 | 42-475-01614 | O'BRIEN, G. W. #174W | CELERO ENERGY, L.P. | RENTR | 3,100 | |
| 2005-09-09 | 606087 | 42-475-01614 | O'BRIEN, G. W., ETAL #174W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2005-09-09 | 606083 | 42-475-01611 | G.W.O'BRIEN #169W | CELERO ENERGY, L.P. | RENTR | 2,768 | |
| 2005-09-09 | 606083 | 42-475-01611 | O'BRIEN, G. W., ETAL #169W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2005-09-09 | 606020 | 42-475-10278 | O'BRIEN, G. W. #861 | CELERO ENERGY, L.P. | RENTR | 3,300 | |
| 2005-09-09 | 606020 | 42-475-10278 | O'BRIEN, G. W. ETAL #861 | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2005-09-09 | 606018 | 42-475-01777 | G.W.O'BRIEN #851W | CELERO ENERGY, L.P. | RENTR | 3,304 | |
| 2005-09-09 | 606018 | 42-475-01777 | G.W.O'BRIEN #851W | WHITING OIL AND GAS CORPORATION | RENTR | 3,304 | |
| 2005-09-09 | 606017 | 42-475-01776 | G.W.O'BRIEN #850W | CELERO ENERGY, L.P. | RENTR | 3,270 | |
| 2005-09-09 | 606017 | 42-475-01776 | O'BRIEN, G. W. ETAL #850W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2005-09-09 | 606016 | 42-475-01597 | G.W.O'BRIEN #152W | CELERO ENERGY, L.P. | RENTR | 2,774 | |
| 2005-09-09 | 606016 | 42-475-01597 | O'BRIEN, G. W., ETAL #152W | WHITING OIL AND GAS CORPORATION | RENTR | 4,000 | |
| 2005-09-07 | 604757 | 42-475-34930 | O'BRIEN, G. W. #1689 | CELERO ENERGY, L.P. | DRILL | 4,000 | |
| 2005-09-07 | 604757 | 42-475-34930 | O'BRIEN, G. W. #1689 | WHITING OIL AND GAS CORPORATION | DRILL | 4,000 | |
| 2005-09-02 | 605822 | 42-475-34939 | JACK EDWARDS "M" #2 | BC OPERATING, INC. | DRILL | 5,500 | |
| 2005-08-30 | 605661 | 42-475-34938 | BARSTOW 11 #4 | JETTA OPERATING COMPANY, INC. | DRILL | 7,000 | |
| 2005-08-29 | 605521 | 42-475-32632 | HUTCHINGS STOCK ASSN #1084 | CELERO ENERGY, L.P. | RENTR | 2,825 | |