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 *
JACKSON MARK A
   2. Issuer Name and Ticker or Trading Symbol
NOBLE CORP [NE] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
SVP-Finance, CFO, Treasurer
(Last)
(First)
(Middle)
13135 SO. DAIRY ASHFORD, SUITE 800		 3. Date of Earliest Transaction (Month/Day/Year)
04/29/2005
(Street)

SUGAR LAND, TX 77478		 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
Ordinary Shares 04/29/2005   A   13,500 A $ 0 0 D  
Ordinary Shares 04/29/2005   A   20,850 D $ 0 116,373.3003 (1) (2) D  
Ordinary Shares               388.2925 (3) I By Trust

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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 Options $ 51.55 04/29/2005   A   24,700     (4) 04/29/2015 Ordinary Shares 24,700 $ 0 24,700 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
JACKSON MARK A
13135 SO. DAIRY ASHFORD
SUITE 800
SUGAR LAND, TX 77478		       SVP-Finance, CFO, Treasurer  

Signatures

 /s/ Mark A. Jackson   04/29/2005
**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).
(1) *Includes 1,841.3003 shares related to phantom stock units allocated to the Reporting Person under the Noble Drilling Corporation 401(k) Savings Restoration Plan, which units are payable to the Reporting Person in Ordinary Shares or cash upon any distribution of such units from such plan. Reporting Person improperly overstated total number of directly held securities in column 5 by 1,000 shares on Form 4 filing dated September 1, 2004; by 2,000 shares on subsequent Form 4 filing dated September 1, 2004; by 2,528 shares on subsequent Form 4 filing dated September 1, 2004 and by 3,528 shares on subsequent Form 4 filings dated September 1, 2004; September 10, 2004; September 30, 2004; October 11, 2004; October 27, 2004; two Form 4 filings on November 22, 2004; November 23, 2004; November 24, 2004; December 21, 2004; January 31, 2005; February 2, 2005; and February 11, 2005.
(2) Also includes 13,500 ordinary shares granted as Time Vested Restricted Stock and 20,850 ordinary shares granted as Performance Vested Restricted Stock.
(3) Shares are held in the Noble Drilling Corporation 401(k) Savings Plan Trust.
(4) Represents option to purchase 24,700 shares with a vesting schedule of 8,233 shares on 4/29/06; 8,233 shares on 4/29/07; and 8,234 shares on 4/29/08.

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