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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 TuJ/mSoc1tj0ULcsiiCBcCkMwq4hkQVhhNBtZpHHob4Q361cLbjbysJ+wkqUTDAK
 b/jENw1mKHlAmz5J9QF4yw==

<SEC-DOCUMENT>0001209191-03-010166.txt : 20030702
<SEC-HEADER>0001209191-03-010166.hdr.sgml : 20030702
<ACCEPTANCE-DATETIME>20030702161650
ACCESSION NUMBER:		0001209191-03-010166
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030630
FILED AS OF DATE:		20030702

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GREENE JAMES H JR
		CENTRAL INDEX KEY:			0001205970

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20578
		FILM NUMBER:		03772184

	MAIL ADDRESS:	
		STREET 1:		C/O KKR
		STREET 2:		9 W 57TH ST
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LAYNE CHRISTENSEN CO
		CENTRAL INDEX KEY:			0000888504
		STANDARD INDUSTRIAL CLASSIFICATION:	CONSTRUCTION SPECIAL TRADE CONTRACTORS [1700]
		IRS NUMBER:				480920712
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0131

	BUSINESS ADDRESS:	
		STREET 1:		1900 SHAWNEE MISSION PKWY
		CITY:			MISSION WOODS
		STATE:			KS
		ZIP:			66205-2001
		BUSINESS PHONE:		9133620510

	MAIL ADDRESS:	
		STREET 1:		1900 SHAWNEE MISSION PKWY
		CITY:			MISSION WOODS
		STATE:			KS
		ZIP:			66205-2001

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LAYNE INC
		DATE OF NAME CHANGE:	19930328
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument><schemaVersion>X0101</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-06-30</periodOfReport><issuer><issuerCik>0000888504</issuerCik><issuerName>LAYNE CHRISTENSEN CO</issuerName>        <issuerTradingSymbol>LAYN</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001205970</rptOwnerCik><rptOwnerName>GREENE JAMES H JR</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>  </rptOwnerStreet1><rptOwnerStreet2>  </rptOwnerStreet2><rptOwnerCity>  </rptOwnerCity><rptOwnerState>  </rptOwnerState><rptOwnerZipCode>  </rptOwnerZipCode></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>1</isTenPercentOwner><isOther>0</isOther><officerTitle></officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><nonDerivativeSecurity><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-06-30</value></t
ransactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>S</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>1555200</value><footnoteId id="F1" /></transactionShares><transactionValue><value>8</value></transactionValue><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>175236</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>By KKR Associates, L.P.</value><footnoteId id="F2" /></natureOfOwnership></ownershipNature></nonDerivativeSecurity><nonDerivativeSecurity><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-07-01</value></transactionDate><transactionCoding
><transactionFormType>4</transactionFormType><transactionCode>S</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>53495</value></transactionShares><transactionValue><value>8.07</value></transactionValue><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>121741</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>By KKR Associates, L.P.</value><footnoteId id="F2" /></natureOfOwnership></ownershipNature></nonDerivativeSecurity><footnotes><footnote id="F1">Sold by KKR Associates, L.P. pursuant to Registration Statement on Form S-3 under the Securities Act of 1933, as amended.</footnote><footnote id="F2">The Reporting Person is a general 
partner of KKR Associates, L.P. and, in such capacity, he may be deemed, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Act"), to be the beneficial owner of all shares beneficially owned by KKR Associates, L.P.  However, pursuant to Rule 16a-1(a)(4) promulgated under the Act, the Reporting Person expressly disclaims that he is the owner, for purposes of Section 16 or any other puropse, of any such shares, other than to the extent of his economic interest in such shares.</footnote></footnotes><ownerSignature><signatureName>/s/ Richard J. Kreider, Attorney-In-Fact for Reporting Person</signatureName><signatureDate>2003-07-02</signatureDate></ownerSignature></ownershipDocument>

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