-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 FeeBCLISWRiudVEAhvO8NYr6k3E3ZuQMELmzqX7OjfPGIu3xh/JeYLaUM8yOSlk1
 1a/bhjaoS0T+8PkWgn/aWA==

<SEC-DOCUMENT>0001181431-09-051090.txt : 20091112
<SEC-HEADER>0001181431-09-051090.hdr.sgml : 20091111
<ACCEPTANCE-DATETIME>20091112110447
ACCESSION NUMBER:		0001181431-09-051090
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20091110
FILED AS OF DATE:		20091112
DATE AS OF CHANGE:		20091112

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NuStar Energy L.P.
		CENTRAL INDEX KEY:			0001110805
		STANDARD INDUSTRIAL CLASSIFICATION:	PIPE LINES (NO NATURAL GAS) [4610]
		IRS NUMBER:				742956831
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2330 NORTH LOOP 1604 WEST
		CITY:			SAN ANTONIO
		STATE:			TX
		ZIP:			78248
		BUSINESS PHONE:		2109182000

	MAIL ADDRESS:	
		STREET 1:		2330 NORTH LOOP 1604 WEST
		CITY:			SAN ANTONIO
		STATE:			TX
		ZIP:			78248

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	VALERO L P
		DATE OF NAME CHANGE:	20020110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SHAMROCK LOGISTICS LP
		DATE OF NAME CHANGE:	20000331

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GREEHEY WILLIAM E
		CENTRAL INDEX KEY:			0001015543

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16417
		FILM NUMBER:		091175159

	MAIL ADDRESS:	
		STREET 1:		2330 N LOOP 1604 W
		CITY:			SAN ANTONIO
		STATE:			TX
		ZIP:			78248
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd256952.xml
<DESCRIPTION>PURCHASE OF NS COMMON UNITS
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-11-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001110805</issuerCik>
        <issuerName>NuStar Energy L.P.</issuerName>
        <issuerTradingSymbol>NS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001015543</rptOwnerCik>
            <rptOwnerName>GREEHEY WILLIAM E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2330 NORTH LOOP 1604 WEST</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN ANTONIO</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>78248</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Units</value>
            </securityTitle>
            <transactionDate>
                <value>2009-11-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>52.8856</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>632487</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This transaction was executed in multiple trades at prices ranging from $52.83 per unit to $52.90 per unit.  The price reported above reflects the weighted average purchase price.  Upon request from the Securities and Exchange Commission or a unitholder of the issuer, full information regarding the number of units purchased at each seperate price will be made available.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Matthew D. Willcox, as Attorney-in-Fact for William E. Greehey</signatureName>
        <signatureDate>2009-11-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
