Sec Form 4 Filing - SAILE PHILLIP J @ ENSCO INTERNATIONAL INC - 2009-07-31

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 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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1. Name and Address of Reporting Person SAILE PHILLIP J 2. Issuer Name and Ticker or Trading Symbol ENSCO INTERNATIONAL INC [ ESV] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Senior Vice President (Last) (First) (Middle) 500 N. AKARD STREET, SUITE 4300 3. Date of Earliest Transaction (MM/DD/YY) 07/31/2009 (Street) DALLAS, TX75201-3331 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 07/31/2009( 1 ) I 89,522 ( 1 ) A $ 37.89 ( 2 ) 89,522 ( 1 ) D Common Stock 06/30/2009( 3 ) I 5,379.0152 ( 3 ) A $ 24.9 ( 4 ) 5,379.0152 ( 3 ) I ENSCO Savings and Retirement Plans

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 Employee Stock Options (Right to Buy) $ 50.28 07/31/2009( 5 ) I 0 06/01/2007( 6 ) 10/29/2009 Common Stock 22,500 ( 5 ) $ 0 22,500 ( 5 ) D Employee Stock Options (Right to Buy) $ 60.74 07/31/2009( 7 ) I 0 06/01/2008( 6 ) 10/29/2009 Common Stock 17,500 ( 7 ) $ 0 17,500 ( 7 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other SAILE PHILLIP J 500 N. AKARD STREET SUITE 4300 DALLAS, TX75201-3331 Senior Vice President Signatures /s/ Robert O. Isaac, by Power of Attorney 08/04/2009 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Amount is representative of the total amount of securities beneficially owned as of 07/31/2009. The reporting person is no longer a Section 16 reporter as of 07/31/2009. ( 2 )Amount is the closing price of the issuer as of 07/31/2009. ( 3 )Amount is representative of Ensco common stock acquired, and held indirectly, through normal payroll contributions to the Ensco Savings and Retirement Plans as of 06/30/2009. ( 4 )Price of Securities dependent upon trading price applicable on date of future transactions. The average cost/price is representative of all benefically, indirectly owned securities acquired via normal payroll contributions to the Ensco Savings and Retirement Plans. ( 5 )Amount is representative of the total amount of vested options, out of a 2006 grant, held as of 07/31/2009. The reporting person is no longer a Section 16 reporter as of 07/31/2009. ( 6 )The Employee Stock Options vest at a rate of 25% per annum on the anniversary date of the grant. ( 7 )Amount is representative of the total amount of vested options, out of a 2007 grant, held as of 07/31/2009. The reporting person is no longer a Section 16 reporter as of 07/31/2009.

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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