| SC 13G | 2006-02-07 | BARROW HANLEY MEWHINNEY & STRAUSS INC | OCCIDENTAL PETROLEUM CORP /DE/ | 21,508,915 | 5.4% | EDGAR |
| SC 13G | 2006-01-26 | BARCLAYS GLOBAL INVESTORS NA /CA/ | OCCIDENTAL PETROLEUM CORP /DE/ | 22,712,536 | 5.6% | EDGAR |
| SC 13D/A | 2005-05-31 | OCCIDENTAL PETROLEUM CORP /DE/ | PREMCOR INC | 9,034,646 | 10.1% | EDGAR |
| SC 13D/A | 2005-05-13 | OCCIDENTAL PETROLEUM CORP /DE/ | LYONDELL CHEMICAL CO | 35,307,860 | 14.3% | EDGAR |
| SC 13G/A | 2005-02-14 | AXA FINANCIAL INC | OCCIDENTAL PETROLEUM CORP /DE/ | 30,679,686 | 7.8% | EDGAR |
| SC 13G | 2005-02-14 | BARCLAYS GLOBAL INVESTORS NA /CA/ | OCCIDENTAL PETROLEUM CORP /DE/ | 26,400,467 | 6.7% | EDGAR |
| SC 13G/A | 2005-02-10 | DODGE & COX | OCCIDENTAL PETROLEUM CORP /DE/ | 12,286,937 | 3.1% | EDGAR |
| SC 13G | 2005-02-08 | BARROW HANLEY MEWHINNEY & STRAUSS INC | OCCIDENTAL PETROLEUM CORP /DE/ | 23,427,181 | 5.9% | EDGAR |
| SC 13D/A | 2005-01-07 | OCCIDENTAL PETROLEUM CORP /DE/ | LYONDELL CHEMICAL CO | 46,307,860 | 19.0% | EDGAR |
| SC 13G/A | 2004-02-17 | DODGE & COX | OCCIDENTAL PETROLEUM CORP /DE/ | 22,726,637 | 5.9% | EDGAR |
| SC 13G | 2004-02-17 | BARCLAYS GLOBAL INVESTORS NA /CA/ | OCCIDENTAL PETROLEUM CORP /DE/ | 29,588,143 | 7.7% | EDGAR |
| SC 13G | 2004-02-11 | BARROW HANLEY MEWHINNEY & STRAUSS INC | OCCIDENTAL PETROLEUM CORP /DE/ | 9 | 11.0% | EDGAR |
| SC 13G | 2004-02-10 | AXA FINANCIAL INC | OCCIDENTAL PETROLEUM CORP /DE/ | 26,592,659 | 6.9% | EDGAR |
| SC 13D/A | 2003-10-14 | OCCIDENTAL PETROLEUM CORP /DE/ | LYONDELL CHEMICAL CO | - | 24.2% | EDGAR |
| SC 13D/A | 2003-07-03 | OCCIDENTAL PETROLEUM CORP /DE/ | LYONDELL CHEMICAL CO | - | 24.5% | EDGAR |
| SC 13G/A | 2003-02-13 | VANGUARD WINDSOR FUNDS/ | OCCIDENTAL PETROLEUM CORP /DE/ | 15,834,800 | 4.2% | EDGAR |
| SC 13G/A | 2003-02-13 | DODGE & COX | OCCIDENTAL PETROLEUM CORP /DE/ | 22,871,051 | 6.1% | EDGAR |
| SC 13G/A | 2003-02-12 | AXA FINANCIAL INC | OCCIDENTAL PETROLEUM CORP /DE/ | 34,229,960 | 9.1% | EDGAR |
| SC 13G | 2003-02-12 | BARCLAYS GLOBAL INVESTORS NA /CA/ | OCCIDENTAL PETROLEUM CORP /DE/ | 24,184,117 | 6.4% | EDGAR |
| SC 13G | 2003-02-12 | BARROW HANLEY MEWHINNEY & STRAUSS INC | OCCIDENTAL PETROLEUM CORP /DE/ | 9 | 11.0% | EDGAR |