| SC 13D/A | 2003-02-05 | OCCIDENTAL PETROLEUM CORP /DE/ | PREMCOR USA INC | 9,034,646 | 12.3% | EDGAR |
| SC 13D | 2002-09-03 | OCCIDENTAL PETROLEUM CORP /DE/ | LYONDELL CHEMICAL CO | - | 23.7% | EDGAR |
| SC 13D | 2002-06-17 | OCCIDENTAL PETROLEUM CORP /DE/ | PREMCOR USA INC | - | 13.5% | EDGAR |
| SC 13G | 2002-02-14 | BARCLAYS GLOBAL INVESTORS NA /CA/ | OCCIDENTAL PETROLEUM CORP /DE/ | 22,785,665 | 6.1% | EDGAR |
| SC 13G/A | 2002-02-12 | AXA FINANCIAL INC | OCCIDENTAL PETROLEUM CORP /DE/ | 49,101,623 | 13.1% | EDGAR |
| SC 13G/A | 2002-02-11 | VANGUARD WINDSOR FUNDS/ | OCCIDENTAL PETROLEUM CORP /DE/ | 20,323,900 | 5.4% | EDGAR |
| SC 13G/A | 2002-02-08 | DODGE & COX | OCCIDENTAL PETROLEUM CORP /DE/ | 21,365,759 | 5.7% | EDGAR |
| SC 13G | 2002-02-08 | BARROW HANLEY MEWHINNEY & STRAUSS INC | OCCIDENTAL PETROLEUM CORP /DE/ | 9 | 11.0% | EDGAR |
| SC 13G/A | 2001-02-14 | VANGUARD/WINDSOR FUNDS INC | OCCIDENTAL PETROLEUM CORP /DE/ | 20,333,900 | 5.5% | EDGAR |
| SC 13G | 2001-02-14 | DODGE & COX | OCCIDENTAL PETROLEUM CORP /DE/ | 18,722,309 | 5.1% | EDGAR |
| SC 13G/A | 2001-02-12 | AXA FINANCIAL INC | OCCIDENTAL PETROLEUM CORP /DE/ | 52,643,200 | 14.3% | EDGAR |
| SC 13G | 2001-02-12 | BARROW HANLEY MEWHINNEY & STRAUSS INC | OCCIDENTAL PETROLEUM CORP /DE/ | 9 | 11.0% | EDGAR |
| SC 13G | 2000-11-13 | - | - | - | - | EDGAR |
| SC 13G/A | 2000-11-08 | - | - | - | - | EDGAR |
| SC 13G/A | 2000-08-10 | - | - | - | - | EDGAR |
| SC 13D/A | 2000-04-19 | OCCIDENTAL PETROLEUM CORP /DE/ | CANADIAN OCCIDENTAL PETROLEUM LTD | 0 | 0.0% | EDGAR |
| SC 13D/A | 2000-03-01 | OCCIDENTAL PETROLEUM CORP /DE/ | CANADIAN OCCIDENTAL PETROLEUM LTD | 40,223,620 | 29.2% | EDGAR |
| SC 13D/A | 2000-03-01 | OCCIDENTAL PETROLEUM CORP /DE/ | CANADIAN OCCIDENTAL PETROLEUM LTD | 40,223,620 | 29.2% | EDGAR |
| SC 13D/A | 2000-03-01 | OCCIDENTAL PETROLEUM CORP /DE/ | CANADIAN OCCIDENTAL PETROLEUM LTD | 40,223,620 | 29.2% | EDGAR |
| SC 13G/A | 2000-02-14 | FMR CORP | OCCIDENTAL PETROLEUM CORP /DE/ | 29,828,044 | 8.1% | EDGAR |