-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 S5+g+PxTSLE4dwbNhu2wJ4a4A9OM9sUoJ2lX0NoJtZPg4mdSUwSE8vHavhxEWJ/c
 dugEve80iSJa+fDP56C0MA==

<SEC-DOCUMENT>0000914062-08-000318.txt : 20080516
<SEC-HEADER>0000914062-08-000318.hdr.sgml : 20080516
<ACCEPTANCE-DATETIME>20080516151814
ACCESSION NUMBER:		0000914062-08-000318
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080515
FILED AS OF DATE:		20080516
DATE AS OF CHANGE:		20080516

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RPC INC
		CENTRAL INDEX KEY:			0000742278
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL, GAS FIELD SERVICES, NBC [1389]
		IRS NUMBER:				581550825
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2801 BUFORD HIGHWAY
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30329
		BUSINESS PHONE:		404-321-2140

	MAIL ADDRESS:	
		STREET 1:		2801 BUFORD HIGHWAY
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30329

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RPC ENERGY SERVICES INC
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LANE JAMES A JR
		CENTRAL INDEX KEY:			0001130205
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08726
		FILM NUMBER:		08842105

	BUSINESS ADDRESS:	
		STREET 1:		C/O MARINE PRODUCTS CORP
		STREET 2:		2170 PIEDMONT ROAD, N.E.
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30324
		BUSINESS PHONE:		4043212140

	MAIL ADDRESS:	
		STREET 1:		C/O MARINE PRODUCTS CORP
		STREET 2:		2170 PIEDMONT RD, NE
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30324
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-05-15</periodOfReport>

    <issuer>
        <issuerCik>0000742278</issuerCik>
        <issuerName>RPC INC</issuerName>
        <issuerTradingSymbol>RES</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001130205</rptOwnerCik>
            <rptOwnerName>LANE JAMES A JR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>300 INDUSTRIAL BLVD., BOX 928</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NASHVILLE</rptOwnerCity>
            <rptOwnerState>GA</rptOwnerState>
            <rptOwnerZipCode>31639</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-05-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>22754</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>13.5256</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>197487</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ James A. Lane, Jr.</signatureName>
        <signatureDate>2008-05-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----