<?xml version="1.0" encoding="US-ASCII" ?>
    <!-- Field: Doc-Info; Name: Generator; Value: QXInteractive; Version: 3.3e -->
    <!-- Field: Doc-Info; Name: Source; Value: 09302012 10Q3_RD4.xfr; Date: 2012/11/14T14:08:59 -->
    <!-- Field: Doc-Info; Name: Status; Value: 0x00000000 -->
    <!-- Field: Doc-Info; Name: Misc; Value: 8qlZs7xRiXgen8uLaXFcWaKKCbPtyZx3CZkxsm9+HbkaLyokZ6iZaCPKbrJ2AVcD -->
<schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:dei="http://xbrl.sec.gov/dei/2012-01-31" xmlns:us-gaap="http://fasb.org/us-gaap/2012-01-31" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:us-types="http://fasb.org/us-types/2012-01-31" xmlns:HENC="http://hollomanenergy.com/20120930" elementFormDefault="qualified" targetNamespace="http://hollomanenergy.com/20120930">
    <annotation>
      <appinfo>
	<link:roleType roleURI="http://hollomanenergy.com/role/DocumentAndEntityInformation" id="DocumentAndEntityInformation">
	  <link:definition>0001 - Document - Document and Entity Information</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://hollomanenergy.com/role/ConsolidatedBalanceSheets" id="ConsolidatedBalanceSheets">
	  <link:definition>0002 - Statement - CONSOLIDATED BALANCE SHEETS</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://hollomanenergy.com/role/ConsolidatedBalanceSheetsParenthetical" id="ConsolidatedBalanceSheetsParenthetical">
	  <link:definition>0003 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://hollomanenergy.com/role/ConsolidatedStatementsOfOperations" id="ConsolidatedStatementsOfOperations">
	  <link:definition>0004 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://hollomanenergy.com/role/ConsolidatedStatementsOfCashFlows" id="ConsolidatedStatementsOfCashFlows">
	  <link:definition>0005 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://hollomanenergy.com/role/BasisOfPresentation" id="BasisOfPresentation">
	  <link:definition>0006 - Disclosure - 1. BASIS OF PRESENTATION</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://hollomanenergy.com/role/OilAndGasProperties" id="OilAndGasProperties">
	  <link:definition>0007 - Disclosure - 2. OIL AND GAS PROPERTIES</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://hollomanenergy.com/role/ContractAdvancesAndOtherIncome" id="ContractAdvancesAndOtherIncome">
	  <link:definition>0008 - Disclosure - 3. CONTRACT ADVANCES AND OTHER INCOME</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://hollomanenergy.com/role/CommonStockAndStockBasedCompensation" id="CommonStockAndStockBasedCompensation">
	  <link:definition>0009 - Disclosure - 4. COMMON STOCK AND STOCK BASED COMPENSATION</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://hollomanenergy.com/role/RelatedPartyTransaction" id="RelatedPartyTransaction">
	  <link:definition>0010 - Disclosure - 5. RELATED PARTY TRANSACTION</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://hollomanenergy.com/role/SubsequentEvents" id="SubsequentEvents">
	  <link:definition>0011 - Disclosure - 6. SUBSEQUENT EVENTS</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://hollomanenergy.com/role/BasisOfPresentationPolicies" id="BasisOfPresentationPolicies">
	  <link:definition>0012 - Disclosure - 1. BASIS OF PRESENTATION (Policies)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://hollomanenergy.com/role/CommonStockAndStock-BasedCompensationTables" id="CommonStockAndStock-BasedCompensationTables">
	  <link:definition>0013 - Disclosure - 4. Common Stock and Stock-Based Compensation (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://hollomanenergy.com/role/ContractAdvancesAndOtherIncomeDetailsNarrative" id="ContractAdvancesAndOtherIncomeDetailsNarrative">
	  <link:definition>0014 - Disclosure - 3. Contract Advances and Other Income (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://hollomanenergy.com/role/CommonStockAndStock-BasedCompensationDetails" id="CommonStockAndStock-BasedCompensationDetails">
	  <link:definition>0015 - Disclosure - 4. Common Stock and Stock-Based Compensation (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://hollomanenergy.com/role/CommonStockAndStock-BasedCompensationDetailsNarrative" id="CommonStockAndStock-BasedCompensationDetailsNarrative">
	  <link:definition>0016 - Disclosure - 4. Common Stock and Stock-Based Compensation (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:linkbaseRef xlink:type="simple" xlink:href="henc-20120930_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Presentation Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="henc-20120930_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Label Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="henc-20120930_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Calculation Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="henc-20120930_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Definition Links" />
      </appinfo>
    </annotation>
    <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
    <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
    <import namespace="http://fasb.org/us-types/2012-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2012/elts/us-types-2012-01-31.xsd" />
    <import namespace="http://xbrl.sec.gov/dei/2012-01-31" schemaLocation="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd" />
    <import namespace="http://fasb.org/us-gaap/2012-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd" />
    <import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
    <import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
    <element id="HENC_StockOptionAMember" name="StockOptionAMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_StockOptionBMember" name="StockOptionBMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_StockOptionCMember" name="StockOptionCMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_StockOptionDMember" name="StockOptionDMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_WarrantAndOptionMember" name="WarrantAndOptionMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_Consuliting" name="Consuliting" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_GainFromSettlementOfIndebtedness" name="GainFromSettlementOfIndebtedness" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_ImpairmentOilAndGasProperties" name="ImpairmentOilAndGasProperties" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_OilAndGasExpendituresRecoveredFromPartners" name="OilAndGasExpendituresRecoveredFromPartners" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_DepositOnAcquisition" name="DepositOnAcquisition" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_AccruedCapitalExpendituresInOilAndGasProperties" name="AccruedCapitalExpendituresInOilAndGasProperties" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_ShareIssuedOnConversionOfManagementFees" name="ShareIssuedOnConversionOfManagementFees" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_SharesIssuedOnConversionOfServiceFees" name="SharesIssuedOnConversionOfServiceFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_ShareIssuedOnConversionOfLiabilities" name="ShareIssuedOnConversionOfLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_ShareIssuedForPropertyAcquired" name="ShareIssuedForPropertyAcquired" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_BasisOfPresentationAbstract" name="BasisOfPresentationAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_OilAndGasPropertiesAbstract" name="OilAndGasPropertiesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_ContractAdvancesAndOtherIncomeAbstract" name="ContractAdvancesAndOtherIncomeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_ContractAdvancesAndOtherIncomeTextBlock" name="ContractAdvancesAndOtherIncomeTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_CommonStockAndStockBasedCompensationAbstract" name="CommonStockAndStockBasedCompensationAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_UnauditedInterimConsolidatedFinancialStatementsPolicyTextBlock" name="UnauditedInterimConsolidatedFinancialStatementsPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_ContractAdvancesAndOtherIncomeDetailsNarrativeAbstract" name="ContractAdvancesAndOtherIncomeDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_OtherIncome1" name="OtherIncome1" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_CommonStockAndStockbasedCompensationDetailsAbstract" name="CommonStockAndStockbasedCompensationDetailsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_No.OfSharesIssuableUponExerciseOfOption" name="No.OfSharesIssuableUponExerciseOfOption" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_ExercisePrice1" name="ExercisePrice1" nillable="true" xbrli:periodType="instant" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_FirstDateExercisable" name="FirstDateExercisable" nillable="true" xbrli:periodType="instant" type="xbrli:dateItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_ExpirationDate" name="ExpirationDate" nillable="true" xbrli:periodType="instant" type="xbrli:dateItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_CommonStockAndStockbasedCompensationDetailsNarrativeAbstract" name="CommonStockAndStockbasedCompensationDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_SharesOfItsCommonStock" name="SharesOfItsCommonStock" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="HENC_WeightedAveragePrices" name="WeightedAveragePrices" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
</schema>
