OXY Occidental Petroleum Corporation

[ ] 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                                                                                   
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940                       

1. Name and Address of Reporting Person * Brown Oscar K	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) Senior Vice President
(Last)          (First)          (Middle) OCCIDENTAL PETROLEUM CORPORATION, 5 GREENWAY PLAZA, SUITE 110	3. Date of Earliest Transaction (MM/DD/YYYY) 9/27/2019
(Street) HOUSTON, TX 77046 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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	9/27/2019		M		4260	A	(1)	118779	D
Common Stock	9/27/2019		D		4260	D	$45.14	114519	D
Common Stock								668 (2)	I	By OPC Savings Plan

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		7. Title and Amount of Securities Underlying Derivative Security (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
Phantom Stock Units	(1)	9/27/2019		M			4260	(1)	(1)	Common Stock	4260	(1)	4259	D

Explanation of Responses:
(1)	Each phantom stock unit is the economic equivalent of one share of the issuer's common stock and is payable solely in cash. 4,260 phantom stock units vested on September 27, 2019, and the remaining phantom stock units are scheduled to vest on September 27, 2020.
(2)	Based on a plan statement dated September 27, 2019.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Brown Oscar K OCCIDENTAL PETROLEUM CORPORATION 5 GREENWAY PLAZA, SUITE 110 HOUSTON, TX 77046			Senior Vice President

Signatures
/s/ Jenarae N. Garland, Attorney-in-Fact for Oscar K. Brown		9/30/2019
**Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	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).
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