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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 V0zbFJQO9wSUfKTpp/6ljg==

<SEC-DOCUMENT>0001104659-03-012956.txt : 20030624
<SEC-HEADER>0001104659-03-012956.hdr.sgml : 20030624
<ACCEPTANCE-DATETIME>20030624143841
ACCESSION NUMBER:		0001104659-03-012956
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030616
FILED AS OF DATE:		20030624

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PIONEER DRILLING CO
		CENTRAL INDEX KEY:			0000320575
		STANDARD INDUSTRIAL CLASSIFICATION:	DRILLING OIL & GAS WELLS [1381]
		IRS NUMBER:				742088619
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		9310 BROADWAY BLDG I
		CITY:			SAN ANTONIO
		STATE:			TX
		ZIP:			78217
		BUSINESS PHONE:		5128287689

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SOUTH TEXAS DRILLING & EXPLORATION INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SOUTH TEXAS DRILLING CO
		DATE OF NAME CHANGE:	19810715

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WHITE WILLIAM H
		CENTRAL INDEX KEY:			0001132020

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08182
		FILM NUMBER:		03754966

	BUSINESS ADDRESS:	
		STREET 1:		1415 LOUISIANA STREET
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002
		BUSINESS PHONE:		7137396500

	MAIL ADDRESS:	
		STREET 1:		1415 LOUISIANA STREET
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>j2350_4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0" encoding="utf-8" standalone="no"?>
<ownershipDocument>
    <schemaVersion>X0101</schemaVersion>

    <documentType>4</documentType>
  <periodOfReport>2003-06-16</periodOfReport>
  <notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000320575</issuerCik>
        <issuerName>PIONEER DRILLING CO</issuerName>
        <issuerTradingSymbol>pdc</issuerTradingSymbol>
  </issuer>
  <reportingOwner>
    <reportingOwnerId>
            <rptOwnerCik>0001132020</rptOwnerCik>
            <rptOwnerName>WHITE WILLIAM H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
      <isDirector>1</isDirector>
      <isOfficer>0</isOfficer>
      <isTenPercentOwner>0</isTenPercentOwner>
      <isOther>0</isOther>
    </reportingOwnerRelationship>
  </reportingOwner>
  <derivativeSecurity>
    <securityTitle>
      <value>Director stock option (right to buy)</value>
    </securityTitle>
    <conversionOrExercisePrice>
      <value>4.99</value>
    </conversionOrExercisePrice>
    <transactionDate>
      <value>2003-06-16</value>
    </transactionDate>
    <transactionCoding>
      <transactionFormType>4</transactionFormType>
      <transactionCode>J</transactionCode>
      <equitySwapInvolved>0</equitySwapInvolved>
    </transactionCoding>
    <transactionTimeliness>
      <value/>
    </transactionTimeliness>
    <transactionAmounts>
      <transactionShares>
        <value>5000</value>
      </transactionShares>
      <transactionValue>
        <value>4.99</value>
      </transactionValue>
      <transactionAcquiredDisposedCode>
        <value>A</value>
      </transactionAcquiredDisposedCode>
    </transactionAmounts>
    <exerciseDate>
      <value>2003-06-16</value>
    </exerciseDate>
    <expirationDate>
      <value>2013-06-15</value>
    </expirationDate>
    <underlyingSecurity>
      <underlyingSecurityTitle>
        <value>Common Stock</value>
      </underlyingSecurityTitle>
      <underlyingSecurityShares>
        <value>5000</value>
      </underlyingSecurityShares>
    </underlyingSecurity>
    <postTransactionAmounts>
      <sharesOwnedFollowingTransaction>
        <value>15000</value>
      </sharesOwnedFollowingTransaction>
    </postTransactionAmounts>
    <ownershipNature>
      <directOrIndirectOwnership>
        <value>D</value>
      </directOrIndirectOwnership>
    </ownershipNature>
  </derivativeSecurity>
  <ownerSignature>
    <signatureName>/s/ William H. White</signatureName>
    <signatureDate>2003-06-24</signatureDate>
  </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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