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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2018-07-23</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001747232</rptOwnerCik>
            <rptOwnerName>Reynolds Kermit Earl</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>701 CEDAR LAKE BLVD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>OKLAHOMA CITY</rptOwnerCity>
            <rptOwnerState>OK</rptOwnerState>
            <rptOwnerZipCode>73114</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>445352</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes 80,905 shares of performance restricted stock granted under the Management Incentive Plan of Chaparral Energy, Inc., dated as of August 9, 2017 (the &quot;MIP&quot;), 262,396 shares of time restricted stock granted under the MIP, and 102,051 vested shares. Of the 80,905 shares of performance restricted stock, 43,733 will vest on December 31, 2018 and 37,172 will vest on December 31, 2019, subject to performance vesting conditions. Of the 262,396 shares of time restricted stock, 131,198 will vest on April 1, 2019 and 131,198 will vest on April 1, 2020, subject to time vesting conditions.</footnote>
    </footnotes>

    <remarks>Power of Attorney is attached hereto as Exhibit 24.</remarks>

    <ownerSignature>
        <signatureName>/s/ Linda Byford, Attorney-in-Fact</signatureName>
        <signatureDate>2018-07-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
