SEC Filing | Occidental Petroleum Corporation

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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: December 31, 2010 Check here if Amendment [ ]; Amendment Number: This Amendment (Check only one.): [ ] is a restatement. [ ] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: Occidental Petroleum Corporation Address: 10889 Wilshire Boulevard Los Angeles, California 90024 Form 13F File Number: 28-10313 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Roy Pineci Vice President, Controller and Principal Accounting Officer Occidental Petroleum Corporation Phone: (310) 208-8800 Signature, Place, and Date of Signing: /s/ ROY PINECI Los Angeles, California February 10, 2011 --------------------------- ----------------------- ----------------- [Signature] [City, State] [Date] Report Type (Check only one.): [X] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) [ ] 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).) [ ] 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

Form 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 4 Form 13F Information Table Entry Total: 37 Form 13F Information Table Value Total: $116,021 (thousands) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. No. 13F File Number Name 1 28-13910 Phibro Trading LLC 2 28-13909 Oxy Energy Services Inc. 3 28-13908 Occidental Petroleum Investment Co. 4 28-12381 Phibro LLC

FORM 13F INFORMATION TABLE COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 - ---------------------------- -------------- --------- -------- ---------------- -------------- -------- -------------------- VOTING AUTHORITY VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER -------------------- NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE - ---------------------------- -------------- --------- -------- ------- --- ---- -------------- -------- ------ ------ ------ ALCOA INC COM 013817101 646 42000 SH SHARED-DEFINED 1,2,3 42000 ANADARKO PETE CORP COM 032511107 2569 33728 SH SHARED-DEFINED 1,2,3 33728 APACHE CORP COM 037411105 2202 18472 SH SHARED-DEFINED 1,2,3 18472 ARCELORMITTAL SA LUXEMBOURG NY REGISTRY SH 03938L104 133 3500 SH SHARED-DEFINED 1,2,3 3500 BRIGHAM EXPLORATION CO COM 109178103 499 18330 SH SHARED-DEFINED 1,2,3 18330 CANADIAN NAT RES LTD COM 136385101 2633 59286 SH SHARED-DEFINED 1,2,3 59286 CENTURY ALUM CO COM 156431108 217 14000 SH SHARED-DEFINED 1,2,3 14000 CHESAPEAKE ENERGY CORP COM 165167107 1252 48340 SH SHARED-DEFINED 1,2,3 48340 CHEVRON CORP NEW COM 166764100 4397 48185 SH SHARED-DEFINED 1,2,3 48185 CIMAREX ENERGY CO COM 171798101 833 9405 SH SHARED-DEFINED 1,2,3 9405 CME GROUP INC COM 12572Q105 1930 6000 SH SHARED-DEFINED 1,2,3 6000 CONOCOPHILLIPS COM 20825C104 3672 53927 SH SHARED-DEFINED 1,2,3 53927 CONTINENTAL RESOURCES INC COM 212015101 768 13051 SH SHARED-DEFINED 1,2,3 13051 CORE LABORATORIES N V COM N22717107 2627 29496 SH SHARED-DEFINED 1,2,3 29496 COSAN LTD SHS A G25343107 245 18000 SH SHARED-DEFINED 1,2,3 18000 DEVON ENERGY CORP NEW COM 25179M103 4251 54148 SH SHARED-DEFINED 1,2,3 54148 EXXON MOBIL CORP COM 30231G102 1965 26869 SH SHARED-DEFINED 1,2,3 26869 FREEPORT-MCMORAN COPPER & GO COM 35671D857 1645 13700 SH SHARED-DEFINED 1,2,3 13700 GERDAU S A SPONSORED ADR 373737105 196 14000 SH SHARED-DEFINED 1,2,3 14000 HALLIBURTON CO COM 406216101 5713 139922 SH SHARED-DEFINED 1,2,3 139922 INTERCONTINENTALEXCHANGE INC COM 45865V100 377 3162 SH SHARED-DEFINED 1,2,3 3162 MARATHON OIL CORP COM 565849106 173 4664 SH SHARED-DEFINED 1,2,3 4664 MURPHY OIL CORP COM 626717102 4594 61622 SH SHARED-DEFINED 1,2,3 61622 NATIONAL OILWELL VARCO INC COM 637071101 5125 76210 SH SHARED-DEFINED 1,2,3 76210 NOBLE ENERGY INC COM 655044105 710 8250 SH SHARED-DEFINED 1,2,3 8250 PETROLEO BRASILEIRO SA PETRO SPONSORED ADR 71654V408 1968 52001 SH SHARED-DEFINED 1,2,3 52001 ROYAL DUTCH SHELL PLC SPONS ADR A 780259206 4591 68747 SH SHARED-DEFINED 1,2,3 68747 SCHLUMBERGER LTD COM 806857108 5866 70247 SH SHARED-DEFINED 1,2,3 70247 SELECT SECTOR SPDR TR SBI INT-ENERGY 81369Y506 31380 459775 SH SHARED-DEFINED 1,2,3 459775 SPDR SERIES TRUST S&P OILGAS EXP 78464A730 7331 138977 SH SHARED-DEFINED 1,2,3 138977 SUNCOR ENERGY INC NEW COM 867224107 1702 44438 SH SHARED-DEFINED 1,2,3 44438 TENARIS S A SPONSORED ADR 88031M109 735 15000 SH SHARED-DEFINED 1,2,3 15000 TETRA TECHNOLOGIES INC DEL COM 88162F105 390 32835 SH SHARED-DEFINED 1,2,3 32835 UNITED STATES OIL FUND LP UNITS 91232N108 9750 250000 SH SHARED-DEFINED 1,2,3 250000 UNITED STATES STL CORP NEW COM 912909108 292 5000 SH SHARED-DEFINED 1,2,3 5000 VALE S A ADR 91912E105 346 10000 SH SHARED-DEFINED 1,2,3 10000 WHITING PETE CORP NEW COM 966387102 2298 19606 SH SHARED-DEFINED 1,2,3 19606