FORM 4
[ X ] 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, 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 *

MOLOHON RICHARD A 		2. Issuer Name and Ticker or Trading Symbol

MARINER ENERGY INC [ ME ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
VP-Reservoir Engineering
(Last)          (First)          (Middle)

ONE BRIARLAKE PLAZA, SUITE 2000, 2000 WEST SAM HOUSTON PARKWAY SOUTH 		3. Date of Earliest Transaction (MM/DD/YYYY)

11/10/2010
(Street)

HOUSTON, TX 77042
(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   11/10/2010     F    25391   D   (1) 73785   D    
Common Stock   11/10/2010     D    73785   D   (2) 0   D    

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
Employee Stock Option (right to buy)   $14   11/10/2010     D         8000    3/2/2006   3/11/2015   Common Stock   8000     (3) 0   D    

Explanation of Responses:
( 1)  On November 10, 2010, 69,683 shares of the issuer's common stock granted to the reporting person under the issuer's Stock Incentive Plan, as amended and restated from time to time (the "Plan"), vested. To satisfy withholding tax obligations in connection with the vesting, the issuer withheld the shares this Form reports were disposed. In accordance with the Plan, the number of shares withheld was determined by reference to the closing price per share of the issuer's common stock on the New York Stock Exchange on November 9, 2010 of $26.50.
( 2)  Disposed of pursuant to an Agreement and Plan of Merger between Apache Corporation ("Apache"), Apache Deepwater LLC and Mariner Energy, Inc., dated 4/14/2010, as amended (the "Merger Agreement"), on 11/10/2010, the effective date of the merger (the "Effective Date"). Pursuant to the Merger Agreement, Mariner stockholders could elect to receive the following consideration: (i) all stock consideration of 0.24347 share of Apache common stock for each share of Mariner common stock, subject to possible proration, (ii) all cash consideration of $26.00 in cash for each share of Mariner common stock, subject to possible proration, and (iii) mixed consideration of $7.80 in cash and 0.17043 share of Apache common stock for each share of Mariner common stock (the "Mixed Consideration"). If no election was made, the stockholder will receive the Mixed Consideration for Mariner common stock. Apache announced it expects to announce final results of merger consideration elections on 11/12/2010.
( 3)  Pursuant to the Merger Agreement, this fully vested option was converted on the Effective Date into a fully vested option to purchase 1,947 shares of Apache common stock for $57.51 per share.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
MOLOHON RICHARD A
ONE BRIARLAKE PLAZA, SUITE 2000
2000 WEST SAM HOUSTON PARKWAY SOUTH
HOUSTON, TX 77042

VP-Reservoir Engineering

Signatures
Richard A. Molohon by Scott D. Josey pursuant to Power of Attorney dated May 9, 2006 (previously filed as Exhibit 24 to Mr. Molohon's Form 3/A filed on May 23, 2006) 11/10/2010
** 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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