<SEC-DOCUMENT>0001181431-12-033295.txt : 20120530
<SEC-HEADER>0001181431-12-033295.hdr.sgml : 20120530
<ACCEPTANCE-DATETIME>20120530103823
ACCESSION NUMBER:		0001181431-12-033295
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20120101
FILED AS OF DATE:		20120530
DATE AS OF CHANGE:		20120530

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Wheeler Walter R.
		CENTRAL INDEX KEY:			0001550990

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13601
		FILM NUMBER:		12876122

	MAIL ADDRESS:	
		STREET 1:		7007 PINEMONT DRIVE
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77040

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OYO GEOSPACE CORP
		CENTRAL INDEX KEY:			0001001115
		STANDARD INDUSTRIAL CLASSIFICATION:	MEASURING & CONTROLLING DEVICES, NEC [3829]
		IRS NUMBER:				760447780
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		7007 PINEMONT DR.
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77040
		BUSINESS PHONE:		7139864444

	MAIL ADDRESS:	
		STREET 1:		7007 PINEMONT DR.
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77040
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>rrd347037.xml
<DESCRIPTION>WHEELER FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0205</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2012-01-01</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001001115</issuerCik>
        <issuerName>OYO GEOSPACE CORP</issuerName>
        <issuerTradingSymbol>OYOG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001550990</rptOwnerCik>
            <rptOwnerName>Wheeler Walter R.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>7007 PINEMONT DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77040</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Executive Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock, par value $.01 per share</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15965</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Options (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>8.65</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2004-03-25</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2013-03-25</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Options (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>17.56</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2009-12-05</value>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2018-12-05</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Options (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>43.89</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2011-02-25</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2020-02-25</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>10000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This option is fully vested.</footnote>
        <footnote id="F2">This option vests in four equal annual installments beginning December 5, 2009 will be fully vested on December 5, 2012.</footnote>
        <footnote id="F3">This option vests in four equal annual installments beginning February 25, 2011 and will be fully vested on February 25, 2014.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Walter R. Wheeler</signatureName>
        <signatureDate>2012-05-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.1
<SEQUENCE>2
<FILENAME>rrd311368_351587.htm
<DESCRIPTION>WHEELER POWER OF ATTORNEY
<TEXT>
<HTML>
<HEAD>
<TITLE>
rrd311368_351587.html
</TITLE>
</HEAD>
<BODY>
<PRE>
LIMITED POWER OF ATTORNEY


The undersigned, Walter R. Wheeler, hereby authorizes each of James A. Y'Barbo, Roselyn Roque-Santos
and Thomas T. McEntire (will full power to each of them to act alone), as the undersigned's true and
lawful attorney-in-fact, with full power of substitution, to:

(1)	prepare and sign in the name of and on behalf of the undersigned any and all forms and
reports required to be filed pursuant to Section 16 of the Securities Exchange Act of 1934 and
the rules thereunder, including, but without limitation, Form 3-Initial Statement of Beneficial
Ownership of Securities, Form 4-Statement of Changes of Beneficial Ownership of Securities, and
Form 5-Annual Statement of Beneficial Ownership of Securities;

(2)	perform any and all acts for and on behalf of the undersigned which may be necessary or
desirable to complete and execute any such Forms 3, 4 or 5, or other form or report, and timely
file such form or report with the United States Securities and Exchange Commission and any stock
exchange or similar authority; and

(3)	take any other action of any type in connection with the foregoing which, in the opinion
of the attorney-in-fact, may be of benefit to, in the best interest of, or legally required by,
the undersigned, it being understood that the documents executed by such attorney-in-fact on
behalf of the undersigned pursuant to this Limited Power of Attorney shall be in such form and
shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact's
discretion.

This Limited Power of Attorney shall remain in effect until the undersigned is no longer required
to file Forms 4 and 5 with respect to the undersigned's beneficial ownership of securities, unless
earlier revoked by the undersigned in a signed and dated writing delivered to each of the foregoing
attorneys-in-fact.


Executed this 24th day of May, 2012

_/s/ Walter R. Wheeler______________
Name: Walter R. Wheeler

</PRE>
</BODY>
</HTML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
