Apache Corporation
APACHE CORP (Form: 4, Received: 05/08/2012 16:58:13)
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
                                                                                  
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OMB Number: 3235-0287
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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(f) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

CHAMBERS THOMAS P
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)
Exec Vice President and / Chief Financial Officer
(Last)          (First)          (Middle)

2000 POST OAK BLVD., SUITE 100
3. Date of Earliest Transaction (MM/DD/YYYY)

5/8/2012
(Street)

HOUSTON, TX 77056
(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   (1) 5/8/2012     M (2)    499.   A $0   18322.   D    
Common Stock   (1) 5/8/2012     F (3)    140.   D $89.06   18182.   D    
Common Stock   (1) 5/8/2012     M (4)    800.   A $0   18982.   D    
Common Stock   (1) 5/8/2012     F (5)    212.   D $89.06   18770.   D    
Common Stock   (1) 5/8/2012     M (6)    550.   A $0   19320.   D    
Common Stock   (1) 5/8/2012     F (7)    146.   D $87.84   19174.   D    
Common Stock   (1)                4917.098   I   Held by Trustee 401(k) Plan  
Common Stock   (1)                245.795   I   Held by Trustee of NQ 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
Restricted Stock / Units   (8) $0   (9) 5/8/2012     M         499.      (2)   (2) Common Stock   (1) 499.   $0   22119.   D    
Restricted Stock / Units   (8) $0   (9) 5/8/2012     M         800.      (4)   (4) Common Stock   (1) 800.   $0   21319.   D    
Restricted Stock / Units   (8) $0   (9) 5/8/2012     M         550.      (6)   (6) Common Stock   (1) 550.   $0   20769.   D    

Explanation of Responses:
( 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 05/05/2012 of restricted stock units under employer plan - data provided by plan administrator on 05/08/2012. Vesting occurs 25% per year over four years.
( 3)  Shares withheld to cover required tax withholding on vesting of restricted stock effective as of 05/05/2012 - data provided by plan administrator on 05/08/2012.
( 4)  Vesting on 05/06/2012 of restricted stock units under employer plan - data provided by plan administrator on 05/08/2012. Vesting occurs 25% per year over four years.
( 5)  Shares withheld to cover required tax withholding on vesting of restricted stock effective as of 05/06/2012 - data provided by plan administrator on 05/08/2012.
( 6)  Vesting on 05/07/2012 of restricted stock units under employer plan - data provided by plan administrator on 05/08/2012. Vesting occurs 25% per year over four years.
( 7)  Shares withheld to cover required tax withholding on vesting of restricted stock effective as of 05/07/2012 - data provided by plan administrator on 05/08/2012.
( 8)  With tandem tax withholding right
( 9)  One share of Apache common stock for each restricted stock unit.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
CHAMBERS THOMAS P
2000 POST OAK BLVD.
SUITE 100
HOUSTON, TX 77056


Exec Vice President and Chief Financial Officer

Signatures
Cheri L. Peper, Attorney-in-Fact 5/8/2012
** 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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