<SEC-DOCUMENT>0001104659-22-020248.txt : 20220211
<SEC-HEADER>0001104659-22-020248.hdr.sgml : 20220211
<ACCEPTANCE-DATETIME>20220211131939
ACCESSION NUMBER:		0001104659-22-020248
CONFORMED SUBMISSION TYPE:	13F-HR
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20211231
FILED AS OF DATE:		20220211
DATE AS OF CHANGE:		20220211
EFFECTIVENESS DATE:		20220211

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ADAMS NATURAL RESOURCES FUND, INC.
		CENTRAL INDEX KEY:			0000216851
		IRS NUMBER:				135506797
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		13F-HR
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	028-00596
		FILM NUMBER:		22618953

	BUSINESS ADDRESS:	
		STREET 1:		500 EAST PRATT STREET
		STREET 2:		SUITE 1300
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21202
		BUSINESS PHONE:		4107525900

	MAIL ADDRESS:	
		STREET 1:		500 EAST PRATT STREET
		STREET 2:		SUITE 1300
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21202

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ADAMS NATURAL RESOURCES FUND
		DATE OF NAME CHANGE:	20150331

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PETROLEUM & RESOURCES CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>13F-HR
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?>
<edgarSubmission xsi:schemaLocation="http://www.sec.gov/edgar/thirteenffiler eis_13F_Filer.xsd" xmlns="http://www.sec.gov/edgar/thirteenffiler" xmlns:ns1="http://www.sec.gov/edgar/common" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <headerData>
    <submissionType>13F-HR</submissionType>
    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <flags>
        <confirmingCopyFlag>false</confirmingCopyFlag>
        <returnCopyFlag>false</returnCopyFlag>
        <overrideInternetFlag>false</overrideInternetFlag>
      </flags>
      <filer>
        <credentials>
          <cik>0000216851</cik>
          <ccc>XXXXXXXX</ccc>
        </credentials>
      </filer>
      <periodOfReport>12-31-2021</periodOfReport>
    </filerInfo>
  </headerData>
  <formData>
    <coverPage>
      <reportCalendarOrQuarter>12-31-2021</reportCalendarOrQuarter>
      <isAmendment>false</isAmendment>
      <filingManager>
        <name>ADAMS NATURAL RESOURCES FUND, INC.</name>
        <address>
          <ns1:street1>500 East Pratt Street</ns1:street1>
          <ns1:street2>Suite 1300</ns1:street2>
          <ns1:city>Baltimore</ns1:city>
          <ns1:stateOrCountry>MD</ns1:stateOrCountry>
          <ns1:zipCode>21202</ns1:zipCode>
        </address>
      </filingManager>
      <reportType>13F HOLDINGS REPORT</reportType>
      <form13FFileNumber>028-00596</form13FFileNumber>
      <provideInfoForInstruction5>N</provideInfoForInstruction5>
    </coverPage>
    <signatureBlock>
      <name>Christine M. Sloan</name>
      <title>Assistant Treasurer</title>
      <phone>410-752-5900</phone>
      <signature>/s/ Christine M. Sloan</signature>
      <city>Baltimore</city>
      <stateOrCountry>MD</stateOrCountry>
      <signatureDate>02-11-2022</signatureDate>
    </signatureBlock>
    <summaryPage>
      <otherIncludedManagersCount>0</otherIncludedManagersCount>
      <tableEntryTotal>56</tableEntryTotal>
      <tableValueTotal>467102</tableValueTotal>
    </summaryPage>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>INFORMATION TABLE
<SEQUENCE>2
<FILENAME>infotable.xml
<TEXT>
<XML>
<?xml version="1.0" ?>
<informationTable xsi:schemaLocation="http://www.sec.gov/edgar/document/thirteenf/informationtable eis_13FDocument.xsd" xmlns="http://www.sec.gov/edgar/document/thirteenf/informationtable" xmlns:n1="http://www.sec.gov/edgar/document/thirteenf/informationtable" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <infoTable>
    <nameOfIssuer>Air Products and Chemicals, Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>009158106</cusip>
    <value>10193</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Albemarle Corporation</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>012653101</cusip>
    <value>2104</value>
    <shrsOrPrnAmt>
      <sshPrnamt>9000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>9000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Amcor plc</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>G0250X107</cusip>
    <value>1502</value>
    <shrsOrPrnAmt>
      <sshPrnamt>125100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>125100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>APA Corporation</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>03743Q108</cusip>
    <value>1605</value>
    <shrsOrPrnAmt>
      <sshPrnamt>59700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>59700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Avery Dennison Corporation</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>053611109</cusip>
    <value>1191</value>
    <shrsOrPrnAmt>
      <sshPrnamt>5500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>5500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Baker Hughes Company</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>05722G100</cusip>
    <value>4136</value>
    <shrsOrPrnAmt>
      <sshPrnamt>171900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>171900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Ball Corporation</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>058498106</cusip>
    <value>2801</value>
    <shrsOrPrnAmt>
      <sshPrnamt>29100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>29100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Canadian Natural Resources Limited</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>136385101</cusip>
    <value>2020</value>
    <shrsOrPrnAmt>
      <sshPrnamt>47800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>47800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Celanese Corporation</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>150870103</cusip>
    <value>4722</value>
    <shrsOrPrnAmt>
      <sshPrnamt>28100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>28100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Cenovus Energy Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>15135U109</cusip>
    <value>2170</value>
    <shrsOrPrnAmt>
      <sshPrnamt>176700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>176700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CF Industries Holdings, Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>125269100</cusip>
    <value>3136</value>
    <shrsOrPrnAmt>
      <sshPrnamt>44300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>44300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Cheniere Energy, Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>16411R208</cusip>
    <value>2637</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Chevron Corporation</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>166764100</cusip>
    <value>65093</value>
    <shrsOrPrnAmt>
      <sshPrnamt>554691</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>554691</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ConocoPhillips</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>20825C104</cusip>
    <value>34165</value>
    <shrsOrPrnAmt>
      <sshPrnamt>473326</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>473326</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Corteva Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>22052L104</cusip>
    <value>3132</value>
    <shrsOrPrnAmt>
      <sshPrnamt>66245</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>66245</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Coterra Energy Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>127097103</cusip>
    <value>2918</value>
    <shrsOrPrnAmt>
      <sshPrnamt>153600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>153600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Devon Energy Corporation</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>25179M103</cusip>
    <value>11153</value>
    <shrsOrPrnAmt>
      <sshPrnamt>253200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>253200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Diamondback Energy, Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>25278X109</cusip>
    <value>10688</value>
    <shrsOrPrnAmt>
      <sshPrnamt>99100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>99100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Dow, Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>260557103</cusip>
    <value>3729</value>
    <shrsOrPrnAmt>
      <sshPrnamt>65745</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>65745</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DuPont de Nemours, Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>26614N102</cusip>
    <value>3594</value>
    <shrsOrPrnAmt>
      <sshPrnamt>44487</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>44487</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Eastman Chemical Company</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>277432100</cusip>
    <value>1076</value>
    <shrsOrPrnAmt>
      <sshPrnamt>8900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>8900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Ecolab Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>278865100</cusip>
    <value>7929</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EOG Resources, Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>26875P101</cusip>
    <value>21257</value>
    <shrsOrPrnAmt>
      <sshPrnamt>239300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>239300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Exxon Mobil Corporation</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>30231G102</cusip>
    <value>74856</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1223330</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1223330</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FMC Corporation</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>302491303</cusip>
    <value>1154</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Freeport-McMoRan, Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>35671D857</cusip>
    <value>9402</value>
    <shrsOrPrnAmt>
      <sshPrnamt>225300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>225300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Halliburton Company</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>406216101</cusip>
    <value>3894</value>
    <shrsOrPrnAmt>
      <sshPrnamt>170270</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>170270</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Hess Corporation</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>42809H107</cusip>
    <value>4953</value>
    <shrsOrPrnAmt>
      <sshPrnamt>66900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>66900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>International Flavors &amp; Fragrances Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>459506101</cusip>
    <value>3165</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21006</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21006</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>International Paper Company</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>460146103</cusip>
    <value>1325</value>
    <shrsOrPrnAmt>
      <sshPrnamt>28200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>28200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Kinder Morgan, Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>49456B101</cusip>
    <value>7365</value>
    <shrsOrPrnAmt>
      <sshPrnamt>464400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>464400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Linde plc</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>G5494J103</cusip>
    <value>20128</value>
    <shrsOrPrnAmt>
      <sshPrnamt>58100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>58100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LyondellBasell Industries N.V.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>N53745100</cusip>
    <value>4667</value>
    <shrsOrPrnAmt>
      <sshPrnamt>50600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>50600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Marathon Oil Corporation</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>565849106</cusip>
    <value>7545</value>
    <shrsOrPrnAmt>
      <sshPrnamt>459500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>459500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Marathon Petroleum Corporation</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>56585A102</cusip>
    <value>17308</value>
    <shrsOrPrnAmt>
      <sshPrnamt>270485</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>270485</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Martin Marietta Materials, Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>573284106</cusip>
    <value>1982</value>
    <shrsOrPrnAmt>
      <sshPrnamt>4500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>4500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Mosaic Company</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>61945C103</cusip>
    <value>825</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21001</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21001</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Newmont Corporation</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>651639106</cusip>
    <value>5613</value>
    <shrsOrPrnAmt>
      <sshPrnamt>90500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>90500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Nucor Corporation</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>670346105</cusip>
    <value>2409</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Occidental Petroleum Corporation</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>674599105</cusip>
    <value>5588</value>
    <shrsOrPrnAmt>
      <sshPrnamt>192751</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>192751</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ONEOK, Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>682680103</cusip>
    <value>10236</value>
    <shrsOrPrnAmt>
      <sshPrnamt>174200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>174200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Packaging Corporation of America</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>695156109</cusip>
    <value>1035</value>
    <shrsOrPrnAmt>
      <sshPrnamt>7600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>7600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Phillips 66</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>718546104</cusip>
    <value>7288</value>
    <shrsOrPrnAmt>
      <sshPrnamt>100575</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>100575</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Pioneer Natural Resources Company</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>723787107</cusip>
    <value>10058</value>
    <shrsOrPrnAmt>
      <sshPrnamt>55300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>55300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PPG Industries, Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>693506107</cusip>
    <value>3397</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Quanta Services, Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>74762E102</cusip>
    <value>1857</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Schlumberger N.V.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>806857108</cusip>
    <value>15619</value>
    <shrsOrPrnAmt>
      <sshPrnamt>521500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>521500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Sealed Air Corporation</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>81211K100</cusip>
    <value>3745</value>
    <shrsOrPrnAmt>
      <sshPrnamt>55500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>55500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Sherwin-Williams Company</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>824348106</cusip>
    <value>12924</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Steel Dynamics, Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>858119100</cusip>
    <value>1539</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Sylvamo Corporation</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>871332102</cusip>
    <value>71</value>
    <shrsOrPrnAmt>
      <sshPrnamt>2563</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>2563</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Valero Energy Corporation</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>91913Y100</cusip>
    <value>12596</value>
    <shrsOrPrnAmt>
      <sshPrnamt>167700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>167700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Vulcan Materials Company</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>929160109</cusip>
    <value>2034</value>
    <shrsOrPrnAmt>
      <sshPrnamt>9800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>9800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>WestRock Company</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>96145D105</cusip>
    <value>985</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Whiting Petroleum Corporation</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>966387508</cusip>
    <value>29</value>
    <shrsOrPrnAmt>
      <sshPrnamt>452</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>452</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Williams Companies, Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>969457100</cusip>
    <value>8559</value>
    <shrsOrPrnAmt>
      <sshPrnamt>328700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>328700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
</informationTable>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
