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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2018-08-09</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001346980</issuerCik>
        <issuerName>Chaparral Energy, Inc.</issuerName>
        <issuerTradingSymbol>CHAP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001050417</rptOwnerCik>
            <rptOwnerName>CONTRARIAN CAPITAL MANAGEMENT, L.L.C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>411 WEST PUTNAM AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 425</rptOwnerStreet2>
            <rptOwnerCity>GREENWICH</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06830</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOther>true</isOther>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3790800</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Contrarian Capital Management, L.L.C. (&quot;Contrarian&quot;) is an investment adviser registered with the U.S. Securities Exchange Commission under Section 203 under the Investment Advisers Act of 1940. Contrarian is the investment manager of certain managed accounts and private investment funds (collectively the &quot;Funds&quot;). All securities reported on this Form 3 are owned by the Funds.</footnote>
        <footnote id="F2">Graham Morris, an employee of Contrarian, is a member of the board of directors of Chaparral Energy Inc. (the &quot;Board&quot;). Solely for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the &quot;Exchange Act&quot;), Contrarian may be deemed to be a director-by-deputization by virtue of Mr. Morris' directorship on the Board.</footnote>
    </footnotes>

    <remarks>Contrarian disclaims beneficial ownership of these securities, except to the extent of its pecuniary interest therein, and the filing of this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.</remarks>

    <ownerSignature>
        <signatureName>Contrarian Capital Management, L.L.C. By: /s/Jon Bauer, Managing Member</signatureName>
        <signatureDate>2019-01-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
