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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,
 K6sKcjQgIwhAeRjFoiULyWdS7PHIK9WFpYj5ynbNpHZcwub25s8HsSwwTLeXUKCZ
 MDDtkDX7+zpdNTmOod6qqg==

<SEC-DOCUMENT>9999999995-10-002396.txt : 20100810
<SEC-HEADER>9999999995-10-002396.hdr.sgml : 20100810
<ACCEPTANCE-DATETIME>20100810001511
ACCESSION NUMBER:		9999999995-10-002396
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20100809
DATE AS OF CHANGE:		20100810
EFFECTIVENESS DATE:		20100809

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BASIC ENERGY SERVICES INC
		CENTRAL INDEX KEY:			0001109189
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL, GAS FIELD SERVICES, NBC [1389]
		IRS NUMBER:				542091194
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-142993
		FILM NUMBER:		101003311

	BUSINESS ADDRESS:	
		STREET 1:		400 W. ILLINOIS, SUITE 800
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79701
		BUSINESS PHONE:		4326205500

	MAIL ADDRESS:	
		STREET 1:		400 W. ILLINOIS, SUITE 800
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79701

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SIERRA WELL SERVICE INC
		DATE OF NAME CHANGE:	20000313
</SEC-HEADER>
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<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2010-08-09</finalEffectivenessDispDate>
        <accessionNumber>0000950123-10-071862</accessionNumber>
        <submissionType>POS AM</submissionType>
        <filer>
            <cik>0001109189</cik>
            <entityName>BASIC ENERGY SERVICES INC</entityName>
            <fileNumber>333-142993</fileNumber>
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