<?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>0001747256</rptOwnerCik>
            <rptOwnerName>Byford Linda Jo</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>55926</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes 10,183 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;), 33,025 shares of time restricted stock granted under the MIP, and 12,718 vested shares. Of the 10,183 shares of performance restricted stock, 5,504 will vest on December 31, 2018, and 4,679 will vest on December 31, 2019, subject to performance vesting conditions. Of the 33,025 shares of time restricted stock, 16,513 will vest on April 1, 2019 and 16,512 will vest on April 1, 2020, subject to time vesting conditions.</footnote>
    </footnotes>

    <remarks>Associate Vice President - Legal and Corporate Secretary

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

    <ownerSignature>
        <signatureName>/s/ Linda Byford</signatureName>
        <signatureDate>2018-07-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
