FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * DE BRIER DONALD P   2. Issuer Name and Ticker or Trading Symbol OCCIDENTAL PETROLEUM CORP /DE/ [OXY] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP, GC & Secretary (Last) (First) (Middle) OCCIDENTAL PETROLEUM CORP, 10889 WILSHIRE BOULEVARD 3. Date of Earliest Transaction (Month/Day/Year) 11/21/2007 (Street) LOS ANGELES, CA 90024 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 11/21/2007   M   93,576 A $ 15.565 722,526 D   Common Stock 11/21/2007   F   53,620 D $ 73.1 668,906 D   Common Stock 11/21/2007   S   39,956 D $ 71.8436 (1) (2) (3) 628,950 D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Employee Stock Option (Right to Buy)

$ 15.565

11/21/2007

M

93,576

(4)

07/16/2013

Common Stock

93,576

$ 0

200,000

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
DE BRIER DONALD P OCCIDENTAL PETROLEUM CORP 10889 WILSHIRE BOULEVARD LOS ANGELES, CA 90024			EVP, GC & Secretary

Signatures

/s/ Christel H. Pauli, Attorney-in-Fact for Donald P. de Brier		11/21/2007
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The price reported is an average sales price. 100 shares were sold at $70.60; 1,400 shares were sold at $70.72; 800 shares were sold at $70.81; 200 shares were sold at $70.82; 400 shares were sold at $70.85; 300 shares were sold at $70.86; 1,200 shares were sold at $70.87; 100 shares were sold at $70.88; 1,400 shares were sold at $70.89; 100 shares were sold at $70.95; 400 shares were sold at $71.05; 100 shares were sold at $71.07; 100 shares were sold at $71.09; 1,400 shares were sold at $71.10; 400 shares were sold at $71.22; 400 shares were sold at $71.24; 500 shares were sold at $71.25; 100 shares were sold at $71.27; 100 shares were sold at $71.28; 100 shares were sold at $71.41; 1,400 shares were sold at $71.42; 1,000 shares were sold at $71.43; 100 shares were sold at $71.45; 900 shares were sold at $71.46; 100 shares were sold at $71.49; 400 shares were sold at $71.52; 100 shares were sold at $71.53; and 400 shares were sold at $71.54.
(2)	An additional 500 shares were sold at $71.55; 400 shares were sold at $71.60; 100 shares were sold at $71.61; 500 shares were sold at $71.65; 1,400 shares were sold at $71.66; 100 shares were sold at $71.67; 100 shares were sold at $71.68; 900 shares were sold at $71.72; 400 shares were sold at $ 71.76; 1,900 shares were sold at $71.80; 400 shares were sold at $71.82; 100 shares were sold at $71.83; 100 shares were sold at $71.86; 1,000 shares were sold at $71.90; 900 shares were sold at $71.91; 100 shares were sold at $71.92; 1,400 shares were sold at $71.95; 100 shares were sold at $71.96; 3,000 shares were sold at $72.00; 100 shares were sold at $72.08; 100 shares were sold at $72.10; 400 shares were sold at $72.11; 100 shares were sold at $72.14; 900 shares were sold at $72.17; 372 shares were sold at $72.21; 100 shares were sold at $72.22; 100 shares were sold at $72.33; and 900 shares were sold at $72.34.
(3)	An additional 900 shares were sold at $72.40; 100 shares were sold at $72.41; 100 shares were sold at $72.56; 900 shares were sold at $72.57; 900 shares were sold at $72.59; 100 shares were sold at $72.61; 100 shares were sold at $72.78; 1,200 shares were sold at $72.79; 100 shares were sold at $72.81; 400 shares were sold at $72.87; 200 shares were sold at $72.91; 200 shares were sold at $72.96; 200 shares were sold at $72.97; 1,500 shares were sold at $72.99; 100 shares were sold at $73.00; 156 shares were sold at $73.03; 1,800 shares were sold at $73.04; and 528 shares were sold at $73.10.
(4)	The option vested in three equal annual installments beginning on July 16, 2004.

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