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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 bOnWfJ/XF9ITS96qiTX5ww==

<SEC-DOCUMENT>0001209191-06-010133.txt : 20060214
<SEC-HEADER>0001209191-06-010133.hdr.sgml : 20060214
<ACCEPTANCE-DATETIME>20060214113433
ACCESSION NUMBER:		0001209191-06-010133
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050429
FILED AS OF DATE:		20060214
DATE AS OF CHANGE:		20060214

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ROBERTSON JULIE J
		CENTRAL INDEX KEY:			0001214243

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31306
		FILM NUMBER:		06609279

	MAIL ADDRESS:	
		STREET 1:		13135 S DAIRY ASHFORD
		STREET 2:		STE 800
		CITY:			SUGAR LAND
		STATE:			TX
		ZIP:			77478

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NOBLE CORP
		CENTRAL INDEX KEY:			0001169055
		STANDARD INDUSTRIAL CLASSIFICATION:	DRILLING OIL & GAS WELLS [1381]
		IRS NUMBER:				980366361
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		13135 S DAIRY ASHFORD
		CITY:			SUGAR LAND
		STATE:			TX
		ZIP:			77478
		BUSINESS PHONE:		281 276 6100
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>h32748_8jjr.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2005-04-29</periodOfReport>

    <dateOfOriginalSubmission>2005-04-29</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0001169055</issuerCik>
        <issuerName>NOBLE CORP</issuerName>
        <issuerTradingSymbol>NE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001214243</rptOwnerCik>
            <rptOwnerName>ROBERTSON JULIE J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>13135 SO DAIRY ASHFORD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 800</rptOwnerStreet2>
            <rptOwnerCity>SUGAR LAND</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77478</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP &amp; Corporate Sec</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Ordinary Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2005-04-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>13800</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>115648.0088</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Includes 2,639.0088 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. Shares allocated under such plan were previously held in a rabbi trust and previously reported as &quot;indirectly&quot; owned by the Reporting Person. Also includes 9,000 ordinary shares granted as Time Vested Restricted Stock and 13,800 ordinary shares granted as Performance Vested Restricted Stock. The Performance Vested Restricted Stock award was correctly reported initially on 5/3/05 and subsequently amended incorrectly on 1/25/06.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Julie J. Robertson</signatureName>
        <signatureDate>2006-02-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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