<?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>0001361045</rptOwnerCik>
            <rptOwnerName>Miller James M</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>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>See Remarks</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>196088</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes 35,152 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;), 114,007 shares of time restricted stock granted under the MIP, and 46,929 vested shares. Of the 35,152 shares of performance restricted stock, 19,001 will vest on December 31, 2018, and 16,151 will vest on December 31, 2019, subject to performance vesting conditions. Of the 114,007 shares of time restricted stock, 57,003 will vest on April 1, 2019 and 57,004 will vest on April 1, 2020, subject to time vesting conditions.</footnote>
    </footnotes>

    <remarks>Senior Vice President - Operations

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>
