| SC 13G/A | 2007-02-14 | THIRD AVENUE MANAGEMENT LLC | WHITING PETROLEUM CORP | 2,051,750 | 5.6% | EDGAR |
| SC 13G/A | 2007-02-13 | NEUBERGER BERMAN INC | WHITING PETROLEUM CORP | 5,147,887 | 13.9% | EDGAR |
| SC 13G | 2007-01-23 | BARCLAYS GLOBAL INVESTORS NA /CA/ | WHITING PETROLEUM CORP | 1,258,808 | 3.4% | EDGAR |
| SC 13G/A | 2006-02-15 | NEUBERGER BERMAN INC | WHITING PETROLEUM CORP | 4,288,974 | 11.6% | EDGAR |
| SC 13G/A | 2006-02-15 | THIRD AVENUE MANAGEMENT LLC | WHITING PETROLEUM CORP | 1,973,375 | 5.4% | EDGAR |
| SC 13G/A | 2006-02-14 | PRICE T ROWE ASSOCIATES INC /MD/ | WHITING PETROLEUM CORP | 2,010,900 | 5.4% | EDGAR |
| SC 13G/A | 2006-02-14 | WELLINGTON MANAGEMENT CO LLP | WHITING PETROLEUM CORP | 3,042,100 | 8.3% | EDGAR |
| SC 13G/A | 2006-02-10 | WELLINGTON MANAGEMENT CO LLP | WHITING PETROLEUM CORP | 3,888,800 | 10.6% | EDGAR |
| SC 13G | 2005-10-11 | NEUBERGER BERMAN INC | WHITING PETROLEUM CORP | 4,159,497 | 11.6% | EDGAR |
| SC 13G/A | 2005-09-09 | WELLINGTON MANAGEMENT CO LLP | WHITING PETROLEUM CORP | 3,071,600 | 10.3% | EDGAR |
| SC 13G/A | 2005-02-17 | NEUBERGER BERMAN INC | WHITING PETROLEUM CORP | 2,163,450 | 7.3% | EDGAR |
| SC 13G/A | 2005-02-16 | THIRD AVENUE MANAGEMENT LLC | WHITING PETROLEUM CORP | 1,837,075 | 8.7% | EDGAR |
| SC 13G/A | 2005-02-14 | PRICE T ROWE ASSOCIATES INC /MD/ | WHITING PETROLEUM CORP | 2,069,400 | 7.2% | EDGAR |
| SC 13G/A | 2005-02-14 | WELLINGTON MANAGEMENT CO LLP | WHITING PETROLEUM CORP | 1,532,780 | 5.4% | EDGAR |
| SC 13G | 2005-02-14 | NEUBERGER BERMAN INC | WHITING PETROLEUM CORP | 3,912,200 | 13.2% | EDGAR |
| SC 13D/A | 2004-11-22 | ALLIANT ENERGY CORP | WHITING PETROLEUM CORP | - | 0.0% | EDGAR |
| SC 13G | 2004-06-04 | THIRD AVENUE MANAGEMENT LLC | WHITING PETROLEUM CORP | 949,950 | 5.0% | EDGAR |
| SC 13G | 2004-02-12 | WELLINGTON MANAGEMENT CO LLP | WHITING PETROLEUM CORP | 1,760,230 | 9.4% | EDGAR |
| SC 13G | 2004-02-10 | PRICE T ROWE ASSOCIATES INC /MD/ | WHITING PETROLEUM CORP | 979,800 | 5.2% | EDGAR |
| SC 13D | 2004-02-09 | WHITING PETROLEUM CORP | EQUITY OIL CO | - | 16.6% | EDGAR |