<?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>0001747243</rptOwnerCik>
            <rptOwnerName>Walker Joshua Duane</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>55000</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes 13,750 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;), and 41,250 shares of time restricted stock granted under the MIP. Of the 13,750 shares of performance restricted stock, 4,584 will vest on December 31, 2018, 4,583 will vest on December 31, 2019, and 4,583 will vest on December 31, 2020, subject to performance vesting conditions. Of the 41,250 shares of time restricted stock, 13,750 will vest on April 1, 2019, 13,750 will vest on April 1, 2020, and 13,750 will vest on April 1, 2021 subject to time vesting conditions.</footnote>
    </footnotes>

    <remarks>Vice President - Completions &amp; 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>
