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 *
Wolf David D
  2. Issuer Name and Ticker or Trading Symbol
BERRY PETROLEUM CO [BRY]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
Exec VP and CFO
(Last)
(First)
(Middle)
C/O BERRY PETROLEUM COMPANY, 1999 BROADWAY, SUITE 3700
3. Date of Earliest Transaction (Month/Day/Year)
12/31/2010
(Street)

DENVER, CO 80202
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
Class A Common Stock 12/31/2010   A V 569 (10) A $ 0 67,819 D  
Class A Common Stock 12/31/2010   J V 933 (11) A $ 0 4,354 I Held in the Company's 401(k) 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
RSU 8-4-08 (1) $ 0             08/04/2011(2) 08/03/2018(3) Class A Common Stock 30,355   30,355 D  
NSO $ 41.18             08/04/2011 08/03/2018 Class A Common Stock 89,084   89,084 D  
2008 Restricted Stock Units (4) $ 0             12/12/2009(5) 12/11/2018(6) Class A Common Stock 66,667   66,667 D  
2009 Restricted Stock Units (7) $ 0             12/11/2010(8) 12/11/2019(9) Class A Common Stock 41,053   41,053 D  
Perf Based RSUs 3-16-10 $ 0             12/31/2012 03/15/2020 Class A Common Stock 18,175   18,175 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Wolf David D
C/O BERRY PETROLEUM COMPANY
1999 BROADWAY, SUITE 3700
DENVER, CO 80202
      Exec VP and CFO  

Signatures

 Kenneth A. Olson under POA for David D. Wolf   01/04/2011
**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) 1 for 1
(2) Restricted Stock Units vest 100% 3 years after date of grant but are subject to a deferral election.
(3) The RSU is subject to a deferral election. Shares of Class A Common Stock will be delivered to the reporting person as per the terms of the deferral election.
(4) 1 for 1
(5) The RSU granted vest 25% per year beginning one year after grant but the receipt of shares are subject to a deferral period which is generally at least four years from grant date as per the deferral election.
(6) The RSU is subject to a deferral election. Shares of Class A Common Stock will be delivered to the reporting person as per the terms of the deferral election.
(7) 1 for 1
(8) The RSU granted vest 25% per year beginning one year after grant but the receipt of shares are subject to a deferral period which is generally at least four years from grant date as per the deferral election.
(9) The RSU is subject to a deferral election. Shares of Class A Common Stock will be delivered to the reporting person as per the terms of the deferral election.
(10) Increase in shares from the reinvestment of dividends paid quarterly on common stock. All shares were purchased at market and were non-discretionary.
(11) Shares of Common Stock acquired by the reporting person in the Company's 401(k) Plan. All transactions were at market and were non-discretionary.

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