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

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2010-01-02</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001464999</rptOwnerCik>
            <rptOwnerName>Abuelo Trust</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>LAURISTON HOUSE</rptOwnerStreet1>
            <rptOwnerStreet2>LOWER COLLYMORE ROCK DRIVE</rptOwnerStreet2>
            <rptOwnerCity>BRIDGETOWN</rptOwnerCity>
            <rptOwnerState>C8</rptOwnerState>
            <rptOwnerZipCode>BB11000</rptOwnerZipCode>
            <rptOwnerStateDescription>BARBADOS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Common Stock, $0.0001 Par Value</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock, $0.0001 Par Value</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>10219002</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Consists of shares of Common Stock to be issued by Wescorp Energy Inc. pursuant to Sections 3.2(e)(iii) and 3.2(g) (the &quot;Wescorp Shares&quot;) of that certain Share
Purchase Agreement, dated January 14, 2004, by and between Wescorp Energy Inc. and Abuelo Trust (the &quot;Share Purchase Agreement&quot;). Certain of the Wescorp
Shares were to be issued on or before April 1, 2007 and each subsequent month Abuelo Trust is entitled to an additional 10% of the shares required to be issued to,
but yet unissued to Abuelo Trust. As of the date of this filing no Wescorp Shares required to be issued pursuant to Sections 3.2(e)(iii) and 3.2(g) of the Share
Purchase Agreement have been issued to Abuelo Trust.</footnote>
        <footnote id="F2">The right of Abuelo Trust to receive Wescorp Shares pursuant to the Share Purchase Agreement does not expire.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Abuelo Trust; By: J&amp;T Bank and Trust, Inc., as Trustee; By: Deborah Simmons and Jacqueline Inniss, Duly Authorized Signatories Abuelo Trust</signatureName>
        <signatureDate>2010-02-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
