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

    <schemaVersion>X0603</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001396572</cik>
        <entityName>SEIDLER OIL &amp; GAS L P</entityName>
        <issuerAddress>
            <street1>7140 EAST FM 917</street1>
            <city>ALVARADO</city>
            <stateOrCountry>TX</stateOrCountry>
            <zipCode>76009</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>817-259-1777</issuerPhoneNumber>
        <jurisdictionOfInc>TEXAS</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2006</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Frank</firstName>
                <lastName>Seidler</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>7140 East FM 917</street1>
                <city>Alvarado</city>
                <stateOrCountry>TX</stateOrCountry>
                <zipCode>76009</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Michael</firstName>
                <lastName>Dvorak</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>7140 East FM 917</street1>
                <city>Alvarado</city>
                <stateOrCountry>TX</stateOrCountry>
                <zipCode>76009</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Oil and Gas</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>$1 - $1,000,000</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2010-02-10</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isOtherType>true</isOtherType>
            <descriptionOfOtherType>Working Interests in the Chittim Ranch-Georgetown Oil Prospect</descriptionOfOtherType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>12500</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>N/A</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>7140 East FM 917</street1>
                    <city>Alvarado</city>
                    <stateOrCountry>TX</stateOrCountry>
                    <zipCode>76009</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <value>All States</value>
                </statesOfSolicitationList>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>800000</totalOfferingAmount>
            <totalAmountSold>250000</totalAmountSold>
            <totalRemaining>550000</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>6</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>299827</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse>Organization &amp; offering expenses, Management Fee and General &amp; administrative costs</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>SEIDLER OIL &amp; GAS L P</issuerName>
                <signatureName>Michael Dvorak</signatureName>
                <nameOfSigner>Michael Dvorak</nameOfSigner>
                <signatureTitle>Vice President</signatureTitle>
                <signatureDate>2010-02-16</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
