<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-03-09</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001398664</issuerCik>
        <issuerName>Encore Energy Partners LP</issuerName>
        <issuerTradingSymbol>ENP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001330357</rptOwnerCik>
            <rptOwnerName>Arms John W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>777 MAIN STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1400</rptOwnerStreet2>
            <rptOwnerCity>FORT WORTH</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>76102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP, Acquisitions</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks>As of March 9, 2010 and upon the effective time of the merger between Encore Acquisition Company (&quot;Encore&quot;) and Denbury Resources Inc. (&quot;Denbury&quot;) pursuant to the Agreement and Plan of Merger dated as of October 31, 2009 between Encore and Denbury, the Reporting Person is no longer an officer of the general partner of the Issuer.</remarks>

    <ownerSignature>
        <signatureName>/s/ Robert C. Reeves (attorney-in-fact)</signatureName>
        <signatureDate>2010-03-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
