-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 OxQeiBeEqrZTuanwIsiUkgsFYhEKOBDfsXILnXrRWA17Wo86L8D/OTrrx5MQc7A6
 wXWb2b/STSLq/OM4Gr6dDw==

<SEC-DOCUMENT>0000788965-09-000019.txt : 20090929
<SEC-HEADER>0000788965-09-000019.hdr.sgml : 20090929
<ACCEPTANCE-DATETIME>20090928182014
ACCESSION NUMBER:		0000788965-09-000019
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
FILED AS OF DATE:		20090929
DATE AS OF CHANGE:		20090928
EFFECTIVENESS DATE:		20090929

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HALLADOR PETROLEUM CO
		CENTRAL INDEX KEY:			0000788965
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				841014610
		STATE OF INCORPORATION:			CO
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-78896-6D
		FILM NUMBER:		091091155

	BUSINESS ADDRESS:	
		STREET 1:		1660 LINCOLN ST STE 2700
		CITY:			DENVER
		STATE:			CO
		ZIP:			80264
		BUSINESS PHONE:		3038395505

	MAIL ADDRESS:	
		STREET 1:		1660 LINCOLN STREET
		STREET 2:		SUITE 2700
		CITY:			DENVER
		STATE:			CO
		ZIP:			80264

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KIMBARK OIL & GAS CO /CO/
		DATE OF NAME CHANGE:	19900102

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KIMBARK INC
		DATE OF NAME CHANGE:	19860624
</SEC-HEADER>
<DOCUMENT>
<TYPE>D
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0603</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0000788965</cik>
        <entityName>HALLADOR PETROLEUM CO</entityName>
        <issuerAddress>
            <street1>1660 LINCOLN ST STE 2700</street1>
            <city>DENVER</city>
            <stateOrCountry>CO</stateOrCountry>
            <zipCode>80264</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>3038395505</issuerPhoneNumber>
        <jurisdictionOfInc>COLORADO</jurisdictionOfInc>
        <edgarPreviousNameList>
            <previousName>KIMBARK OIL &amp; GAS CO /CO/</previousName>
            <previousName>KIMBARK INC</previousName>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>David</firstName>
                <lastName>Hardie</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1660 Lincoln Street, Suite 2700</street1>
                <city>Denver</city>
                <stateOrCountry>CO</stateOrCountry>
                <zipCode>80264</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Steven</firstName>
                <lastName>Hardie</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1660 Lincoln Street, Suite 2700</street1>
                <city>Denver</city>
                <stateOrCountry>CO</stateOrCountry>
                <zipCode>80264</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Bryan</firstName>
                <middleName>H.</middleName>
                <lastName>Lawrence</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1660 Lincoln Street, Suite 2700</street1>
                <city>Denver</city>
                <stateOrCountry>CO</stateOrCountry>
                <zipCode>80264</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Sheldon</firstName>
                <middleName>B.</middleName>
                <lastName>Lubar</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1660 Lincoln Street, Suite 2700</street1>
                <city>Denver</city>
                <stateOrCountry>CO</stateOrCountry>
                <zipCode>80264</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Victor</firstName>
                <middleName>P.</middleName>
                <lastName>Stabio</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1660 Lincoln Street, Suite 2700</street1>
                <city>Denver</city>
                <stateOrCountry>CO</stateOrCountry>
                <zipCode>80264</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Brent</firstName>
                <middleName>K.</middleName>
                <lastName>Bilsland</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1660 Lincoln Street, Suite 2700</street1>
                <city>Denver</city>
                <stateOrCountry>CO</stateOrCountry>
                <zipCode>80264</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Larry</firstName>
                <lastName>Martin</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1660 Lincoln Street, Suite 2700</street1>
                <city>Denver</city>
                <stateOrCountry>CO</stateOrCountry>
                <zipCode>80264</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Mr. Martin is the Chief Financial Officer of Sunrise Coal, LLC, a wholly-owned subsidiary of the issuer.</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>John</firstName>
                <lastName>Van Heuvelen</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1660 Lincoln Street, Suite 2700</street1>
                <city>Denver</city>
                <stateOrCountry>CO</stateOrCountry>
                <zipCode>80264</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>W.</firstName>
                <middleName>Anderson</middleName>
                <lastName>Bishop</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1660 Lincoln Streetm, Suite 2700</street1>
                <city>Denver</city>
                <stateOrCountry>CO</stateOrCountry>
                <zipCode>80264</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Coal Mining</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>$25,000,001 - $100,000,000</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2009-09-15</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>true</isBusinessCombinationTransaction>
            <clarificationOfResponse>The shares of common stock were sold in connection with the issuer's acquisition of the minority interest in Sunrise Coal, LLC.  4,150,000 shares of common stock were sold for cash and 1,133,328 shares were sold in exchange for interests in Sunrise.</clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>32899968</totalOfferingAmount>
            <totalAmountSold>32899968</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse>The consideration for the common stock consisted of (i) $24,900,000 in cash, and (ii) interests in Sunrise Coal, LLC valued at $7,999,968.</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>14</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>4700002</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse>The specified amount of cash proceeds were used to purchase interests in Sunrise Coal, LLC from trusts controlled by a director and his spouse.</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>HALLADOR PETROLEUM CO</issuerName>
                <signatureName>Victor P. Stabio</signatureName>
                <nameOfSigner>Victor P. Stabio</nameOfSigner>
                <signatureTitle>Chief Executive Officer</signatureTitle>
                <signatureDate>2009-09-28</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----