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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,
 OjGHZ25IKxiIzisPSFyRYruChDu6tzm1Ylp90uy7U9/D76O4XD93e2y/S2enkEJ3
 zgvBWucNYhBN3uoyR7EJuw==

<SEC-DOCUMENT>0000950116-05-000905.txt : 20050304
<SEC-HEADER>0000950116-05-000905.hdr.sgml : 20050304
<ACCEPTANCE-DATETIME>20050304173404
ACCESSION NUMBER:		0000950116-05-000905
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050304
FILED AS OF DATE:		20050304
DATE AS OF CHANGE:		20050304

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DELTA PETROLEUM CORP/CO
		CENTRAL INDEX KEY:			0000821483
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				841060803
		STATE OF INCORPORATION:			CO
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		370 SEVENTEENTH STREET
		STREET 2:		SUITE 4300
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202
		BUSINESS PHONE:		3032939133

	MAIL ADDRESS:	
		STREET 1:		370 SEVENTEENTH STREET
		STREET 2:		SUITE 4300
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CASTLE ENERGY CORP
		CENTRAL INDEX KEY:			0000709355
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-16203
		FILM NUMBER:		05662231

	BUSINESS ADDRESS:	
		STREET 1:		ONE RADNOR CORPORATE CTR STE 250
		STREET 2:		100 MATSONFORD RD
		CITY:			RADNOR
		STATE:			PA
		ZIP:			19087
		BUSINESS PHONE:		6109959400

	MAIL ADDRESS:	
		STREET 1:		ONE RADNOR CORPORATE CENTER SUITE 250
		STREET 2:		100 MATSONFORD
		CITY:			RADNOR
		STATE:			PA
		ZIP:			19087

	FORMER NAME:	
		FORMER CONFORMED NAME:	MINDEN OIL & GAS INC/NEW
		DATE OF NAME CHANGE:	19861117

	FORMER NAME:	
		FORMER CONFORMED NAME:	MINDEN HOLDING CO
		DATE OF NAME CHANGE:	19830310
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>p405184_ex.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-03-04</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000821483</issuerCik>
        <issuerName>DELTA PETROLEUM CORP/CO</issuerName>
        <issuerTradingSymbol>DPTR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000709355</rptOwnerCik>
            <rptOwnerName>CASTLE ENERGY CORP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>357 SOUTH GULPH ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 260</rptOwnerStreet2>
            <rptOwnerCity>KING OF PRUSSIA</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19406</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $0.01 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2005-03-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>300000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>16.05</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6700000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Through CEC Inc., a wholly owned subsidiary of the Reporting Owner</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>William C. Liedtke III, as Vice President on behalf of Castle Energy Corporation</signatureName>
        <signatureDate>2005-03-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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