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 *
TROUBH RAYMOND S
  2. Issuer Name and Ticker or Trading Symbol
DIAMOND OFFSHORE DRILLING INC [DO]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
TEN ROCKEFELLER PLAZA
3. Date of Earliest Transaction (Month/Day/Year)
06/13/2005
(Street)

NEW YORK, NY 10020
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 06/13/2005   M   500 A $ 35.72 500 D  
Common Stock 06/13/2005   S   500 D $ 51.05 0 D  
Common Stock 06/13/2005   M   500 A $ 41.78 500 D  
Common Stock 06/13/2005   S   500 D $ 51.05 0 D  
Common Stock 06/13/2005   M   500 A $ 39.88 500 D  
Common Stock 06/13/2005   S   500 D $ 51.05 0 D  
Common Stock 06/13/2005   M   500 A $ 39.6 500 D  
Common Stock 06/13/2005   S   500 D $ 51.05 0 D  
Common Stock 06/13/2005   M   500 A $ 33.51 500 D  
Common Stock 06/13/2005   S   500 D $ 51.05 0 D  
Common Stock 06/13/2005   M   500 A $ 24.6 500 D  
Common Stock 06/13/2005   S   500 D $ 51.05 0 D  
Common Stock 06/13/2005   M   500 A $ 30.53 500 D  
Common Stock 06/13/2005   S   500 D $ 51.05 0 D  
Common Stock 06/13/2005   M   500 A $ 30.12 500 D  
Common Stock 06/13/2005   S   500 D $ 51.05 0 D  
Common Stock 06/13/2005   M   500 A $ 29.2 500 D  
Common Stock 06/13/2005   S   500 D $ 51.5 0 D  
Common Stock 06/13/2005   M   500 A $ 19.88 500 D  
Common Stock 06/13/2005   S   500 D $ 51.05 0 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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
Stock Option (right to buy) $ 35.72 06/13/2005   M     500 07/03/2000 07/03/2005 Common Stock 500 $ 0 0 D  
Stock Option (right to buy) $ 41.78 06/13/2005   M     500 10/02/2000 10/02/2005 Common Stock 500 $ 0 0 D  
Stock Option (right to buy) $ 39.88 06/13/2005   M     500 01/02/2001 01/02/2006 Common Stock 500 $ 0 0 D  
Stock Option (right to buy) $ 39.6 06/13/2005   M     500 04/02/2001 04/02/2006 Common Stock 500 $ 0 0 D  
Stock Option (right to buy) $ 33.51 06/13/2005   M     500 07/02/2001 07/02/2006 Common Stock 500 $ 0 0 D  
Stock Option (right to buy) $ 24.6 06/13/2005   M     500 10/01/2001 10/01/2006 Common Stock 500 $ 0 0 D  
Stock Option (right to buy) $ 30.53 06/13/2005   M     500 01/02/2002 01/02/2007 Common Stock 500 $ 0 0 D  
Stock Option (right to buy) $ 30.12 06/13/2005   M     500 04/01/2002 04/01/2007 Common Stock 500 $ 0 0 D  
Stock Option (right to buy) $ 29.2 06/13/2005   M     500 07/01/2002 07/01/2007 Common Stock 500 $ 0 0 D  
Stock Option (right to buy) $ 19.88 06/13/2005   M     500 10/01/2002 10/01/2007 Common Stock 500 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
TROUBH RAYMOND S
TEN ROCKEFELLER PLAZA
NEW YORK, NY 10020
  X      

Signatures

 /s/ William C. Long Attorney-in-Fact for Raymond S. Troubh   06/15/2005
**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).

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