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

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2009-06-02</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001069489</issuerCik>
        <issuerName>WESCORP ENERGY INC</issuerName>
        <issuerTradingSymbol>WSCE.OB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001464997</rptOwnerCik>
            <rptOwnerName>Bayshore Bank &amp; Trust (Barbados) Corp</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>LAURISTON HOUSE</rptOwnerStreet1>
            <rptOwnerStreet2>LOWER COLLYMORE ROCK, P.O. BOX 1132</rptOwnerStreet2>
            <rptOwnerCity>BRIDGETOWN BARBADOS</rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>By: By: Bayshore Bank &amp; Trust (Barbados) Corp., By: Victor Dunston, President and Deborah Simmons, Vice President, Trust Services</signatureName>
        <signatureDate>2009-06-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
