Ownership Submission
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 *
CRUM JOHN 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)
Former Executive Officer
(Last)
(First)
(Middle)
2000 POST OAK BOULEVARD, SUITE 100		 3. Date of Earliest Transaction (Month/Day/Year)
03/07/2011
(Street)

HOUSTON, TX 77056		 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) 03/07/2011(2)   M   5,600 A $ 56.73 78,579.081 D  
Common Stock (1) 03/07/2011(2)   M   4,900 A $ 71.88 83,479.081 D  
Common Stock (1) 03/07/2011(2)   M   8,250 A $ 74.1 91,729.081 D  
Common Stock (1) 03/07/2011(2)   M   2,275 A $ 82.55 94,004.081 D  
Common Stock (1) 03/07/2011(2)   S   21,025 D $ 123.2753 (3) 72,979.081 D  
Common Stock (1)               8,071.013 I Held by trustee of 401(k) plan
Common Stock (1)               8.473 I Held by trustee of NQ Plan

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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 03/07/2011   H     41,375   (5)   (5) Common Stock (1) 41,375 $ 0 9,375 D  
Option (Buy $56.73) (4) $ 56.73 03/07/2011(2)   M     5,600 05/05/2009 05/05/2015 Common Stock (1) 5,600 $ 0 0 D  
Option (Buy $71.88) (4) $ 71.88 03/07/2011(2)   M     4,900 05/03/2010 05/03/2016 Common Stock (1) 4,900 $ 0 0 D  
Option (Buy $74.10) (4) $ 74.1 03/07/2011(2)   M     8,250   (6) 05/02/2017 Common Stock (1) 8,250 $ 0 2,750 D  
Option (Buy $74.10) (4) $ 74.1 03/07/2011   H     2,750   (5) 05/02/2017 Common Stock (1) 2,750 $ 0 0 D  
Option (Buy $135.83) (4) $ 135.83 03/07/2011   H     3,500   (5) 05/07/2018 Common Stock (1) 3,500 $ 0 3,500 D  
Conditional Grant / ($216 Theshold) $ 0 03/07/2011   H     3,890   (5) 12/31/2012 Common Stock (1) 3,890 $ 0 0 D  
Option (Buy $82.55) (4) $ 82.55 03/07/2011(2)   M     2,275   (7) 05/06/2019 Common Stock (1) 2,275 $ 0 6,825 D  
Option (Buy $82.55) (4) $ 82.55 03/07/2011   H     6,825   (5) 05/06/2019 Common Stock (1) 6,825 $ 0 0 D  
Option (Buy $99.30) (4) $ 99.3 03/07/2011   H     24,414   (5) 05/05/2020 Common Stock (1) 24,414 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
CRUM JOHN A
2000 POST OAK BOULEVARD
SUITE 100
HOUSTON, TX 77056		       Former Executive Officer  

Signatures

 Cheri L. Peper, Attorney-in-Fact   03/09/2011
**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) Stock option exercises and share sales on 03/04/2011 - data provided by plan administrator on 03/07/2011.
(3) Weighted average price within a one dollar price range. Sale prices range from $123.20 to $123.47 per share. Upon request, full information regarding the number of shares sold at each separate price will be provided.
(4) With tandem tax withholding right
(5) Upon termination of employment, forfeited for no value - exempt pursuant to Rule 16(b)-6(d).
(6) Exercisable ratably over four years, beginning 05/02/2008.
(7) Exercisable ratably over four years beginning 05/06/2010.

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