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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1. Name and Address of Reporting Person * Gryder Rodney A.   2. Issuer Name and Ticker or Trading Symbol APACHE CORP [APA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Vice President, Audit (Last) (First) (Middle) C/O APACHE CORPORATION, 2000 POST OAK BLVD., SUITE 100 3. Date of Earliest Transaction (Month/Day/Year) 05/06/2011 (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) 05/06/2011   M(2)   279 A $ 0 5,558 D   Common Stock (1) 05/06/2011   F(3)   74 D $ 122.84 5,484 D   Common Stock (1)               1,377.754 I Held by trustee of 401(k) plan

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

05/06/2011

A

1,575

(6)

(6)

Common Stock (1)

1,575

$ 0

4,295

D

Restricted Stock / Units (4)

$ 0 (5)

05/06/2011

M

279

(2)

(2)

Common Stock (1)

279

$ 0

4,016

D

Option (Buy $126.61)

$ 126.61

05/06/2011

A

3,887

(7)

05/04/2021

Common Stock (1)

3,887

$ 0

3,887

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Gryder Rodney A. C/O APACHE CORPORATION 2000 POST OAK BLVD., SUITE 100 HOUSTON, TX 77056-4400			Vice President, Audit

Signatures

Cheri L. Peper, Attorney-in-Fact		05/09/2011
**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 05/05/2011 of restricted stock units under employer plan - data provided by plan administrator on 05/06/2011 Vesting occurs 25% per year over four years.
(3)	Shares withheld to cover required tax withholding on vesting of restricted stock effective as of 05/05/2011 - data provided by plan administrator on 05/06/2011.
(4)	With tandem tax withholding right
(5)	One share of Apache common stock for each restricted stock unit.
(6)	Restricted stock units granted 05/04/2011 under employer plan - data received from plan administrator on 05/06/2011. The units vest 25% per year on 06/01/2012, 05/04/2013, 05/04/2014 and 05/04/2015.
(7)	Stock option granted 05/04/2011 under employer plan - data received from the plan administrator on 05/06/2011. Exercisable ratably over four years beginning 05/04/2012.

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