-----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,
 QpIrSoRxFFeU1MpfZ3daMfqAuRWMdMgtZoIBOwha30r6u8rArC9o+dz7VJRonDoP
 8PK8IKJXgoc3bJ28nI7Wqg==

<SEC-DOCUMENT>0001083269-08-000107.txt : 20080723
<SEC-HEADER>0001083269-08-000107.hdr.sgml : 20080723
<ACCEPTANCE-DATETIME>20080723170650
ACCESSION NUMBER:		0001083269-08-000107
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080721
FILED AS OF DATE:		20080723
DATE AS OF CHANGE:		20080723

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CAUTHEN GREGORY L
		CENTRAL INDEX KEY:			0001249071

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	333-75899
		FILM NUMBER:		08966319

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		7132327518

	MAIL ADDRESS:	
		STREET 1:		4 GREENWAY PLZ
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77046

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TRANSOCEAN INC
		CENTRAL INDEX KEY:			0001083269
		STANDARD INDUSTRIAL CLASSIFICATION:	DRILLING OIL & GAS WELLS [1381]
		IRS NUMBER:				660582307
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4 GREENWAY PLAZA
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77046
		BUSINESS PHONE:		7132327500

	MAIL ADDRESS:	
		STREET 1:		4 GREENWAY PLAZA
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77046

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TRANSOCEAN SEDCO FOREX INC
		DATE OF NAME CHANGE:	20000112

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TRANSOCEAN OFFSHORE INC /NEW/
		DATE OF NAME CHANGE:	19990610

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TRANSOCEAN OFFSHORE TEXAS INC
		DATE OF NAME CHANGE:	19990402
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-07-21</periodOfReport>

    <issuer>
        <issuerCik>0001083269</issuerCik>
        <issuerName>TRANSOCEAN INC</issuerName>
        <issuerTradingSymbol>RIG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001249071</rptOwnerCik>
            <rptOwnerName>CAUTHEN GREGORY L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>4 GREENWAY PLAZA</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77046</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Sr. VP and CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Ordinary Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2008-07-21</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>838</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12723</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Ordinary  Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>290</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Issuer Employee Stock Purchase Plan</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Shares automatically withheld upon vesting to satisfy tax withholding obligations.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Chipman Earle by Power of Attorney</signatureName>
        <signatureDate>2008-07-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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