<SEC-DOCUMENT>0001127602-21-000861.txt : 20210105
<SEC-HEADER>0001127602-21-000861.hdr.sgml : 20210105
<ACCEPTANCE-DATETIME>20210105203106
ACCESSION NUMBER:		0001127602-21-000861
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20201229
FILED AS OF DATE:		20210105
DATE AS OF CHANGE:		20210105

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PETRELLO ANTHONY G
		CENTRAL INDEX KEY:			0001195669

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32657
		FILM NUMBER:		21508564

	MAIL ADDRESS:	
		STREET 1:		NABORS CORP SERVICES
		STREET 2:		515 W GREENS RD SUITE 1200`
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77067

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NABORS INDUSTRIES LTD
		CENTRAL INDEX KEY:			0001163739
		STANDARD INDUSTRIAL CLASSIFICATION:	DRILLING OIL & GAS WELLS [1381]
		IRS NUMBER:				980363970
		STATE OF INCORPORATION:			D0
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		CROWN HOUSE
		STREET 2:		4 PAR-LA-VILLE ROAD   SECOND FLOOR
		CITY:			HAMILTON, HM08
		STATE:			D0
		ZIP:			0000
		BUSINESS PHONE:		2464219471

	MAIL ADDRESS:	
		STREET 1:		P O BOX HM3349
		CITY:			HAMILTON, HMPX
		STATE:			D0
		ZIP:			0000
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>PRIMARY DOCUMENT
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    <documentType>4</documentType>

    <periodOfReport>2020-12-29</periodOfReport>

    <issuer>
        <issuerCik>0001163739</issuerCik>
        <issuerName>NABORS INDUSTRIES LTD</issuerName>
        <issuerTradingSymbol>NBR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001195669</rptOwnerCik>
            <rptOwnerName>PETRELLO ANTHONY G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O NABORS CORPORATE SERVICES</rptOwnerStreet1>
            <rptOwnerStreet2>515 WEST GREENS ROAD</rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77067</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <officerTitle>CHAIRMAN, PRESIDENT &amp; CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
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            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-12-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>G</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value>E</value>
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            <transactionAmounts>
                <transactionShares>
                    <value>5400</value>
                    <footnoteId id="F1"/>
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                <transactionPricePerShare>
                    <value>56.31</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
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                <natureOfOwnership>
                    <value>Trust</value>
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        </nonDerivativeTransaction>
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                    <footnoteId id="F4"/>
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                    <value>58.23</value>
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                <value>Common Stock</value>
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                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness></transactionTimeliness>
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                <transactionShares>
                    <value>6785</value>
                    <footnoteId id="F6"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>58.23</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
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                    <value>D</value>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-01-04</value>
            </transactionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
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                <footnoteId id="F7"/>
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                <transactionShares>
                    <value>41463</value>
                    <footnoteId id="F7"/>
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                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>217837</value>
                    <footnoteId id="F2"/>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">These shares were donated to a charitable foundation.</footnote>
        <footnote id="F2">On April 22, 2020, the Issuer effected a 1-for-50 reverse stock split of its common stock (the &quot;Reverse Stock Split&quot;). The amount of securities reported here have been adjusted to reflect the Reverse Stock Split.</footnote>
        <footnote id="F3">Reflects the number of shares surrendered on December 31, 2020 to satisfy the tax withholding on the vesting of 5 restricted shares out of the 15 restricted shares originally granted on December 31, 2018. The 2 vested shares remaining were retained by the executive.</footnote>
        <footnote id="F4">Reflects the number of shares surrendered on January 2, 2021 to satisfy the tax withholding on the vesting of 16,999 shares of the 50,996  Performance shares originally granted on January 2, 2020.  The remaining 10,059 vested shares were retained by the executive.</footnote>
        <footnote id="F5">These Performance restricted share units were earned and granted to Mr. Petrello pursuant to his employment agreement based on the achievement of certain objectives for the year 2020, as determined on December 31, 2020, by the Compensation Committee. The number of Performance restricted share units reported represents the actual amount that was earned, which is 196.76% of the target number. The Performance restricted share units are scheduled to vest in three (3) equal annual installments beginning on the first anniversary of the date of grant, January 2, 2020.</footnote>
        <footnote id="F6">Reflects the number of Performance restricted share units surrendered on January 2, 2021 to satisfy the tax withholding on the vesting of 17,260 Performance restricted share units of the 51,779 Performance restricted share units earned on January 2, 2021 out of the 52,632 Performance restricted share units that were originally granted on January 2, 2020.  The remaining 10,475 vested Performance shares were retained by the executive.</footnote>
        <footnote id="F7">Represents an award of TSR shares that will only vest at the end of a three-year performance period (January 1, 2021 to December 31, 2023) based on the Issuer's relative total shareholder return as compared to a peer group of companies. The number of shares reported represents the maximum that may be earned, which is 200% of the target number. No number of shares is guaranteed to vest and the actual number of shares that will vest at the end of the performance period may be anywhere from zero to the amount stated.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Mark D. Andrews by Power of Attorney for Anthony G. Petrello</signatureName>
        <signatureDate>2021-01-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
