<SUBMISSION>
<ACCESSION-NUMBER>0001022321-06-000010
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20051231
<FILING-DATE>20060103
<DATE-OF-FILING-DATE-CHANGE>20060103
<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>EVANS RONALD TRACY
<CIK>0001115586
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-12295
<FILM-NUMBER>06501883
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>C/O DENBURY RESOURCES INC
<STREET2>5100 TENNYSON PARKWAY #3000
<CITY>PLANO
<STATE>TX
<ZIP>75024
<PHONE>9726732050
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>5100 TENNYSON PARKWAY SUITE 3000
<CITY>PLANO
<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>2005-12-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001115586</rptOwnerCik>
            <rptOwnerName>EVANS RONALD TRACY</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5100 TENNYSON PARKWAY SUITE 3000</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PLANO</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>11.17</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-12-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>651</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.17</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2010-01-01</value>
            </exerciseDate>
            <expirationDate>
                <value>2015-12-31</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Genesis Energy, L.P. Limited Partnership Units</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>651</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3839</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 teh 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>Karen Pape by Confirming Statement</signatureName>
        <signatureDate>2006-01-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
