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 * KOCUR JOHN A   2. Issuer Name and Ticker or Trading Symbol APACHE CORP [APA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) APACHE CORPORATION, 2000 POST OAK BLVD, SUITE 100 3. Date of Earliest Transaction (Month/Day/Year) 09/14/2009 (Street) HOUSTON, TX 77056-4400 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 (1) 09/14/2009   M(2)   647 A $ 0 40,283.3 D   Common Stock (1) 09/14/2009   D(3)   259 D $ 91.38 40,024.3 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

Restricted Stock Units (4)

$ 0 (5)

09/14/2009

M

647

(2)

(6)

Common Stock (1)

647

$ 0

647

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
KOCUR JOHN A APACHE CORPORATION 2000 POST OAK BLVD, SUITE 100 HOUSTON, TX 77056-4400	X

Signatures

Cheri L. Peper, Attorney-in-Fact		09/14/2009
**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 shares of common stock of Apache are deemed to also represent certain preferred stock purchase rights ('Rights'). The Rights are not currently exercisable or separately tradable and presently are evidenced by certificates for shares of the common stock. Value attributable to such Rights, if any, is reflected in the market price of the common stock.
(2)	Vesting on 09/14/09 of restricted stock units granted to each of Apache's non-employee directors under 2007 Omnibus Equity Compensation Plan.
(3)	This transaction is not a sale. Exempt disposition to issuer of portion of restricted stock units payable in cash upon vesting. The 2007 Omnibus Equity Compensation Plan contained such provision when approved by stockholders in May 2007, and the restricted stock units contained such terms when granted under the terms of such plan. Of the total 647 restricted stock units that vested on 09/14/09, 60 percent (388 restricted stock units) is payable in Apache common stock and 40 percent (259 restricted stock units) is payable in cash and is characterized in this report as a disposition to the issuer.
(4)	With tandem tax withholding right
(5)	One share of Apache common stock for each restricted stock unit.
(6)	Restricted stock units granted to each of Apache's non-employee directors under 2007 Omnibus Equity Compensation Plan, which plan was approved by stockholders in May 2007. The units vest 50% thirty days after grant date and 50% twelve months after grant date.

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