<SUBMISSION>
<ACCESSION-NUMBER>0001022321-06-000070
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20061229
<FILING-DATE>20061229
<DATE-OF-FILING-DATE-CHANGE>20061229
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>GENESIS ENERGY LP
<CIK>0001022321
<ASSIGNED-SIC>5171
<IRS-NUMBER>760513049
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1205
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>500 DALLAS SUITE 2500
<CITY>HOUSTON
<STATE>TX
<ZIP>77002
<PHONE>7138602500
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>500 DALLAS SUITE 2500
<CITY>HOUSTON
<STATE>TX
<ZIP>77002
</MAIL-ADDRESS>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>ALLEN MARK C
<CIK>0001085395
<ASSIGNED-SIC>1311
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-12295
<FILM-NUMBER>061306313
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>C/O DENBURY RESOURCES INC
<STREET2>5100 TENNYSON PARKWAY #3000
<CITY>PLANO
<STATE>TX
<ZIP>75024
<PHONE>9726732000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>C/O DENBURY RESOURCES INC
<STREET2>5100 TENNYSON PARKWAY # 3000
<CITY>DALLAS
<STATE>TX
<ZIP>75024
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-12-29</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001022321</issuerCik>
        <issuerName>GENESIS ENERGY LP</issuerName>
        <issuerTradingSymbol>GEL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001085395</rptOwnerCik>
            <rptOwnerName>ALLEN MARK C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O DENBURY RESOURCES INC</rptOwnerStreet1>
            <rptOwnerStreet2>5100 TENNYSON PARKWAY # 3000</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75024</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Appreciation Right</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>19.57</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-12-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>19.57</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2011-01-01</value>
            </exerciseDate>
            <expirationDate>
                <value>2016-12-29</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Genesis Energy, L.P. Limited Partnership Units</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3576</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The stock appreciation right provides the grantee the right to receive cash upon exercise of the right for the difference between the strike price and the average of the closing market price of GEL limited partnership units for the ten days preceding the date of exercise.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Mark C. Allen</signatureName>
        <signatureDate>2006-12-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
