Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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 *
  Marcum R. Alan
 2. Date of Event Requiring Statement (Month/Day/Year)
06/30/2008		 3. Issuer Name and Ticker or Trading Symbol
DEVON ENERGY CORP/DE [DVN]
(Last)
(First)
(Middle)
20 NORTH BROADWAY		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
SVP ADMINISTRATION
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

OKLAHOMA CITY, OK 73102-8260		 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 Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 22,442
D
 
Common Stock 104
I
by Managed Account

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Incentive Stock Option (right to buy) 12/04/2001(1) 12/04/2011 Common Stock 5,200 $ 17.425 D  
Incentive Stock Option (right to buy) 12/02/2002(2) 12/02/2012 Common Stock 4,744 $ 23.045 D  
Incentive Stock Option (right to buy) 11/29/2000(3) 11/29/2010 Common Stock 15,472 $ 23.85 D  
Incentive Stock Option (right to buy) 12/12/2005(4) 12/11/2013 Common Stock 4,518 $ 66.39 D  
Incentive Stock Option (right to buy) 12/12/2006(5) 12/11/2014 Common Stock 1,408 $ 71.01 D  
Incentive Stock Option (right to buy) 12/10/2007(6) 12/09/2015 Common Stock 1,121 $ 89.15 D  
Non-Qualified Stock Option (right to buy) 12/04/2001(1) 12/04/2011 Common Stock 20,800 $ 17.425 D  
Non-Qualified Stock Option (right to buy) 12/02/2002(2) 12/02/2012 Common Stock 21,256 $ 23.045 D  
Non-Qualified Stock Option (right to buy) 11/29/2000(3) 11/29/2010 Common Stock 4,528 $ 25.85 D  
Non-Qualified Stock Option (right to buy) 12/12/2005(4) 12/11/2013 Common Stock 5,382 $ 66.39 D  
Non-Qualified Stock Option (right to buy) 12/12/2006(5) 12/11/2014 Common Stock 14,792 $ 71.01 D  
Non-Qualified Stock Option (right to buy) 12/10/2007(6) 12/09/2015 Common Stock 15,779 $ 89.15 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Marcum R. Alan
20 NORTH BROADWAY
OKLAHOMA CITY, OK 73102-8260		       SVP ADMINISTRATION  

Signatures

By: Janice A. Dobbs For: R. Alan Marcum 07/01/2008
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) Stock Options to vest twenty percent on the 4th of December in each of the years 2001, 2002, 2003, 2004 and 2005, expiring December 4, 2011.
(2) Stock Options to vest twenty percent on the 2nd day of December in each of the years 2002, 2003, 2004, 2005 and 2006, expiring December 2, 2012.
(3) Stock Options to vest twenty percent on the 29th day of November in each of the years 2000, 2001, 2002, 2003 and 2004, expiring November 29, 2010.
(4) Stock Options to vest twenty percent on the 12th day of December in each of the years 2005, 2006, 2007, 2008 and 2009, expiring December 11, 2013.
(5) Stock Options to vest twenty percent on the 12th day of December in each of the years 2006, 2007, 2008, 2009 and 2010, expiring December 11, 2014.
(6) Stock Options to vest twenty percent on the 10th day of December in each of the years 2007, 2008, 2009, 2010 and 2011, expiring December 9, 2015.

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