<SUBMISSION>
<ACCESSION-NUMBER>0001209191-07-064705
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>2
<PERIOD>20071114
<FILING-DATE>20071116
<DATE-OF-FILING-DATE-CHANGE>20071116
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>Approach Resources Inc
<CIK>0001405073
<ASSIGNED-SIC>1311
<IRS-NUMBER>510424817
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>6300 RIDGLEA PLACE
<STREET2>SUITE 1107
<CITY>FORT WORTH
<STATE>TX
<ZIP>76116
<PHONE>8179899000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>6300 RIDGLEA PLACE
<STREET2>SUITE 1107
<CITY>FORT WORTH
<STATE>TX
<ZIP>76116
</MAIL-ADDRESS>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>YORKTOWN ENERGY PARTNERS V LP
<CIK>0001210407
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-33801
<FILM-NUMBER>071253815
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>410 PARK AVENUE
<CITY>NEW YORK
<STATE>NY
<ZIP>10022-4407
<PHONE>2125152100
</BUSINESS-ADDRESS>
</REPORTING-OWNER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Yorktown V CO LLC
<CIK>0001302152
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-33801
<FILM-NUMBER>071253816
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>410 PARK AVENUE
<STREET2>19TH FLOOR
<CITY>NEW YORK
<STATE>NY
<ZIP>10022
<PHONE>212-515-1221
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>410 PARK AVENUE
<STREET2>19TH FLOOR
<CITY>NEW YORK
<STATE>NY
<ZIP>10022
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>bod51304_bod4yvc.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-11-14</periodOfReport>

    <issuer>
        <issuerCik>0001405073</issuerCik>
        <issuerName>Approach Resources Inc</issuerName>
        <issuerTradingSymbol>AREX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001302152</rptOwnerCik>
            <rptOwnerName>Yorktown V CO LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>410 PARK AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>19TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001210407</rptOwnerCik>
            <rptOwnerName>YORKTOWN ENERGY PARTNERS V LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>410 PARK AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>19TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</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</value>
            </securityTitle>
            <transactionDate>
                <value>2007-11-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>164892</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7664892</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">These securities were acquired by Yorktown Energy Partners V, L.P., of which Yorktown V Company LLC is the general partner, as consideration for the contribution of certain equity interests in Approach Oil &amp; Gas Inc. (&quot;AOG&quot;) pursuant to the terms of that certain Contribution Agreement dated June 29, 2007, by and among the issuer, AOG, Yorktown Energy Partners V, L.P., Yorktown Energy Partners VI, L.P., Lubar Equity Fund, LLC, Yorktown Energy Partners VII, L.P. and Neo Canyon Exploration, L.P.</footnote>
        <footnote id="F2">The Reporting Person disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of these securities for Section 16 or for any other purposes.</footnote>
        <footnote id="F3">These securities are owned directly by Yorktown Energy Partners V, L.P., of which Yorktown V Company LLC is the general partner.  Yorktown V Company LLC is an indirect beneficial owner of the reported securities.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Yorktown V Company LLC  /s/ J. Curtis Henderson, by power of attorney</signatureName>
        <signatureDate>2007-11-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>d51304_499yvc.txt
<DESCRIPTION>ADDITIONAL EXHIBITS
<TEXT>


                                                                      EXHIBIT 99

                         FORM 4 JOINT FILER INFORMATION

Name:                         Yorktown Energy Partners V, L.P.

Address:                      410 Park Avenue, 19th Floor
                              New York, NY 10022

Designated Filer:             Yorktown V Company LLC

Issuer & Ticker Symbol        Approach Resources Inc. [AREX]

Date of Event Requiring
   Statement:                 11/14/2007
If Amendment, Date Original
   Filed:                     Not Applicable

Relationship of Reporting
   Person(s) to Issuer:       10% Owner


Individual or Joint/Group
   Filing:                    Form Filed by More than One
                              Reporting Person


Signature:                    YORKTOWN ENERGY PARTNERS V, L.P.

                              By: Yorktown V Company LLC, its
                                  general partner


                              By: /s/ J. Curtis Henderson, as attorney-in-fact
                                  --------------------------------------------
                                  J. Curtis Henderson, as attorney-in-fact
</TEXT>
</DOCUMENT>
</SUBMISSION>
