Edgar Filing: Blair Robert G

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 ^*

Â Blair Robert G

2. Date of Event Requiring Statement (Month/Day/Year)
07/01/2009

3. Issuer Name and Ticker or Trading Symbol
DIAMOND OFFSHORE DRILLING INC [DO]

(Last)

(First)

(Middle)

15415 KATY FREEWAY,Â SUITE 100

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

_____ Director	_____ 10% Owner
__X__ Officer (give title below)	_____ Other (specify below)
Senior Vice President

5. If Amendment, Date Original Filed(Month/Day/Year)

(Street)

HOUSTON,Â TXÂ 77094

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	1.8425	I	By 401(k) Plan ⁽¹⁾

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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Stock Option (right to buy)	04/19/2009⁽²⁾	04/19/2015	Common Stock	313	$ 45.77	D	Â
Stock Option (right to buy)	04/19/2009⁽²⁾	07/01/2015	Common Stock	313	$ 53.6	D	Â
Stock Option (right to buy)	04/19/2009⁽²⁾	10/03/2015	Common Stock	313	$ 61.9	D	Â
Stock Option (right to buy)	04/19/2009⁽²⁾	12/31/2015	Common Stock	313	$ 69.38	D	Â
Stock Appreciation Right	04/27/2009⁽³⁾	04/27/2016	Common Stock	625	$ 92.67	D	Â
Stock Appreciation Right	04/27/2009⁽³⁾	07/03/2016	Common Stock	625	$ 83.44	D	Â
Stock Appreciation Right	04/27/2009⁽³⁾	10/02/2016	Common Stock	625	$ 71.87	D	Â
Stock Appreciation Right	04/27/2009⁽³⁾	12/31/2016	Common Stock	625	$ 79.77	D	Â
Stock Appreciation Right	04/02/2009⁽⁴⁾	04/02/2017	Common Stock	937	$ 81.42	D	Â
Stock Appreciation Right	04/02/2009⁽⁴⁾	07/02/2017	Common Stock	937	$ 101.97	D	Â
Stock Appreciation Right	04/02/2009⁽⁴⁾	10/01/2017	Common Stock	937	$ 114.21	D	Â
Stock Appreciation Right	04/02/2008⁽⁵⁾	12/31/2017	Common Stock	1,250	$ 144.44	D	Â
Stock Appreciation Right	04/01/2009⁽⁶⁾	04/01/2018	Common Stock	1,250	$ 117.36	D	Â
Stock Appreciation Right	04/01/2009⁽⁶⁾	07/01/2018	Common Stock	1,250	$ 140.54	D	Â
Stock Appreciation Right	04/01/2009⁽⁶⁾	10/01/2018	Common Stock	1,250	$ 103.02	D	Â
Stock Appreciation Right	04/01/2009⁽⁶⁾	12/31/2018	Common Stock	1,250	$ 59.19	D	Â
Stock Appreciation Right	04/01/2010⁽⁷⁾	04/01/2019	Common Stock	1,250	$ 64.51	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Blair Robert G 15415 KATY FREEWAY SUITE 100 HOUSTON,Â TXÂ 77094	Â	Â	Â Senior Vice President	Â

Signatures

/s/ Terence W. Waldorf Attorney-in-Fact for Robert G. Blair		07/02/2009
^**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)	Based on a plan statement as of July 1, 2009.
(2)	The options vested on April 19, 2009.
(3)	The stock appreciation rights vest in two equal annual installments beginning on April 27, 2009.
(4)	The stock appreciation rights vest in three equal annual installments beginning on April 2, 2009.
(5)	The stock appreciation rights vest in four equal annual installments beginning on April 2, 2008.
(6)	The stock appreciation rights vest in four equal annual installments beginning on April 1, 2009.
(7)	The stock appreciation rights vest in four equal annual installments beginning on April 1, 2010.
Â Remarks: EXHIBITÂ LIST ExhibitÂ 24Â -Â PowerÂ ofÂ Attorney

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