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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 C5DQxpKUcTK9D/h7eFPet6Ab1qe0j8ajR43K+r9kEy+604j1B5vgGRny1G1cdSUS
 1OT5LfrQgigLBrVUR04seQ==

<SEC-DOCUMENT>0001209191-07-027687.txt : 20070503
<SEC-HEADER>0001209191-07-027687.hdr.sgml : 20070503
<ACCEPTANCE-DATETIME>20070503173831
ACCESSION NUMBER:		0001209191-07-027687
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070430
FILED AS OF DATE:		20070503
DATE AS OF CHANGE:		20070503

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DAY JAMES C
		CENTRAL INDEX KEY:			0001188187

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31306
		FILM NUMBER:		07816871

	MAIL ADDRESS:	
		STREET 1:		NOBLE CORP
		STREET 2:		13135 SOUTH DAIRY ASHFORD SUITE 800
		CITY:			SUGARLAND
		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>h46170_1jcd.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2007-04-30</periodOfReport>

    <dateOfOriginalSubmission>2007-05-02</dateOfOriginalSubmission>

    <notSubjectToSection16>1</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001188187</rptOwnerCik>
            <rptOwnerName>DAY JAMES C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>13135 SOUTH DAIRY ASHFORD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 800</rptOwnerStreet2>
            <rptOwnerCity>SUGAR LAND</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77478</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman of the Board</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Ordinary Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2007-04-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>27027</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>304674</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Ordinary Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8124.5272</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Consists of ordinary shares previously awarded as Performance-Vested Restricted Stock and forfeited according to the terms of the award upon the reporting person's retirement.</footnote>
        <footnote id="F2">This amendment is filed to move footnote (1) above from column 5 to column 4 under the heading &quot;Amount.&quot;</footnote>
        <footnote id="F3">Shares held in the Noble Drilling Corporation 401(k) Savings Plan Trust.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ James C. Day</signatureName>
        <signatureDate>2007-05-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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