<SUBMISSION>
<ACCESSION-NUMBER>0001437749-11-004253
<TYPE>3
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20110614
<FILING-DATE>20110624
<DATE-OF-FILING-DATE-CHANGE>20110624
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Whitney Herbert N
<CIK>0001436566
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>3
<ACT>34
<FILE-NUMBER>000-51403
<FILM-NUMBER>11930428
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>400 EAST KALISTE SALOOM #1300
<CITY>LAFAYETTE
<STATE>LA
<ZIP>70508
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>Blackwater Midstream Corp.
<CIK>0001292518
<ASSIGNED-SIC>4220
<IRS-NUMBER>262590455
<FISCAL-YEAR-END>0331
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>660 LABAUVE DRIVE
<CITY>WESTWEGO
<STATE>LA
<ZIP>70094
<PHONE>504-340-3000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>660 LABAUVE DRIVE
<CITY>WESTWEGO
<STATE>LA
<ZIP>70094
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>Laycor Ventures Corp.
<DATE-CHANGED>20040602
</FORMER-COMPANY>
</ISSUER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>rdgdoc.xml
<DESCRIPTION>WHITNEY-FORM3 IN 2011
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2011-06-14</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001292518</issuerCik>
        <issuerName>Blackwater Midstream Corp.</issuerName>
        <issuerTradingSymbol>BWMS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001436566</rptOwnerCik>
            <rptOwnerName>Whitney Herbert N</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>660 LABAUVE DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WESTWEGO</rptOwnerCity>
            <rptOwnerState>LA</rptOwnerState>
            <rptOwnerZipCode>70094</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>43465</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Options</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.17</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2009-04-01</value>
            </exerciseDate>
            <expirationDate>
                <value>2012-01-01</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>April 2009</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>705882</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <remarks>Appointed to the Company's Board of Directors on June 14, 2011 to serve from June 14, 2011 until the Company's shareholders elect members to the Board at the Company's next annual meeting to be held in September 2011.</remarks>

    <ownerSignature>
        <signatureName>/s/ Herbert Whitney</signatureName>
        <signatureDate>2011-06-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
