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  <xsd:element abstract="true" id="eonr_MerchantCashAdvancesMember" name="MerchantCashAdvancesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_MrCaravaggioMember" name="MrCaravaggioMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_NotePurchaseAgreementNotesMember" name="NotePurchaseAgreementNotesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_NoteToFinancialStatementDetailsTextual" name="NoteToFinancialStatementDetailsTextual" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_NotesToFinancialStatements" name="NotesToFinancialStatements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_NotesToFinancialStatementsAbstract" name="NotesToFinancialStatementsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_November182025MerchantCashAdvanceMember" name="November182025MerchantCashAdvanceMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="eonr_NumberOfMajorCustomers" name="NumberOfMajorCustomers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
  <xsd:element id="eonr_OilAndGasPropertiesMeasurementInput" name="OilAndGasPropertiesMeasurementInput" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="eonr_OilMember" name="OilMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_OtherReceivablesMember" name="OtherReceivablesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_OtherRevenueMember" name="OtherRevenueMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_PolicyTable" name="PolicyTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_PrivateNotesPayableMember" name="PrivateNotesPayableMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_PromissoryNotesPayableForDeferredSalaryAndBonusesMember" name="PromissoryNotesPayableForDeferredSalaryAndBonusesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_PutOptionRightMember" name="PutOptionRightMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_Range1Member" name="Range1Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_Range2Member" name="Range2Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_RedeemableCommonStockMember" name="RedeemableCommonStockMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="eonr_RelatedPartyTransactionRepurchasePricePerShare" name="RelatedPartyTransactionRepurchasePricePerShare" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType" xbrli:periodType="instant"/>
  <xsd:element id="eonr_RelatedPartyTransactionTerm" name="RelatedPartyTransactionTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
  <xsd:element id="eonr_ScheduleOfWarrantsOrRightsByExercisePriceTableTextBlock" name="ScheduleOfWarrantsOrRightsByExercisePriceTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_SettledDerivativesMember" name="SettledDerivativesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="eonr_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodFairValue" name="SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="eonr_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_SideAgreementMember" name="SideAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="eonr_StockIssuedDuringPeriodSharesEquityLineOfCredit" name="StockIssuedDuringPeriodSharesEquityLineOfCredit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
  <xsd:element id="eonr_StockIssuedDuringPeriodSharesSettlementOfAccountsPayable" name="StockIssuedDuringPeriodSharesSettlementOfAccountsPayable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
  <xsd:element id="eonr_StockIssuedDuringPeriodValueEquityLineOfCredit" name="StockIssuedDuringPeriodValueEquityLineOfCredit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="eonr_StockIssuedDuringPeriodValueSettlementOfAccountsPayable" name="StockIssuedDuringPeriodValueSettlementOfAccountsPayable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_The2025ExchangeAgreementNotesMember" name="The2025ExchangeAgreementNotesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_TwoCustomersMember" name="TwoCustomersMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_UnsettledDerivativesMember" name="UnsettledDerivativesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_VendorWarrantsToSettleAccountsPayableMember" name="VendorWarrantsToSettleAccountsPayableMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_WarrantLiabilitiesMember" name="WarrantLiabilitiesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_WhiteLionNoteDerivativeMember" name="WhiteLionNoteDerivativeMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="eonr_WorkingCapitalDeficit" name="WorkingCapitalDeficit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="eonr_statement-statement-note-11-restatement-of-previously-issued-unaudited-interim-condensed-consolidated-financial-statements-schedule-of-financial-statement-adjustments-details" name="statement-statement-note-11-restatement-of-previously-issued-unaudited-interim-condensed-consolidated-financial-statements-schedule-of-financial-statement-adjustments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_statement-statement-note-11-restatement-of-previously-issued-unaudited-interim-condensed-consolidated-financial-statements-tables" name="statement-statement-note-11-restatement-of-previously-issued-unaudited-interim-condensed-consolidated-financial-statements-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_statement-statement-note-2-summary-of-significant-accounting-policies-schedule-of-antidilutive-securities-excluded-from-computation-of-earnings-per-share-details" name="statement-statement-note-2-summary-of-significant-accounting-policies-schedule-of-antidilutive-securities-excluded-from-computation-of-earnings-per-share-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_statement-statement-note-2-summary-of-significant-accounting-policies-tables" name="statement-statement-note-2-summary-of-significant-accounting-policies-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_statement-statement-note-3-oil-and-gas-properties-schedule-of-oil-and-gas-properties-details" name="statement-statement-note-3-oil-and-gas-properties-schedule-of-oil-and-gas-properties-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_statement-statement-note-3-oil-and-gas-properties-tables" name="statement-statement-note-3-oil-and-gas-properties-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_statement-statement-note-4-commodities-derivatives-schedule-of-derivative-assets-and-liabilities-details" name="statement-statement-note-4-commodities-derivatives-schedule-of-derivative-assets-and-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_statement-statement-note-4-commodities-derivatives-schedule-of-derivative-information-details" name="statement-statement-note-4-commodities-derivatives-schedule-of-derivative-information-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_statement-statement-note-4-commodities-derivatives-schedule-of-gain-loss-on-derivatives-details" name="statement-statement-note-4-commodities-derivatives-schedule-of-gain-loss-on-derivatives-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_statement-statement-note-4-commodities-derivatives-tables" name="statement-statement-note-4-commodities-derivatives-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_statement-statement-note-5-longterm-debt-and-notes-payable-future-maturities-of-debt-details" name="statement-statement-note-5-longterm-debt-and-notes-payable-future-maturities-of-debt-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_statement-statement-note-5-longterm-debt-and-notes-payable-schedule-of-debt-details" name="statement-statement-note-5-longterm-debt-and-notes-payable-schedule-of-debt-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_statement-statement-note-5-longterm-debt-and-notes-payable-tables" name="statement-statement-note-5-longterm-debt-and-notes-payable-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_statement-statement-note-6-stockholders-equity-option-activity-details" name="statement-statement-note-6-stockholders-equity-option-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_statement-statement-note-6-stockholders-equity-schedule-of-stock-options-by-exercise-price-details" name="statement-statement-note-6-stockholders-equity-schedule-of-stock-options-by-exercise-price-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_statement-statement-note-6-stockholders-equity-schedule-of-warrant-activity-details" name="statement-statement-note-6-stockholders-equity-schedule-of-warrant-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_statement-statement-note-6-stockholders-equity-schedule-of-warrants-by-exercise-price-details" name="statement-statement-note-6-stockholders-equity-schedule-of-warrants-by-exercise-price-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_statement-statement-note-6-stockholders-equity-stock-option-valuation-assumptions-details" name="statement-statement-note-6-stockholders-equity-stock-option-valuation-assumptions-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_statement-statement-note-6-stockholders-equity-tables" name="statement-statement-note-6-stockholders-equity-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_statement-statement-note-7-fair-value-of-financial-instruments-derivative-liability-activity-details" name="statement-statement-note-7-fair-value-of-financial-instruments-derivative-liability-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_statement-statement-note-7-fair-value-of-financial-instruments-derivative-liability-valuation-assumptions-details" name="statement-statement-note-7-fair-value-of-financial-instruments-derivative-liability-valuation-assumptions-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_statement-statement-note-7-fair-value-of-financial-instruments-tables" name="statement-statement-note-7-fair-value-of-financial-instruments-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="eonr_statement-statement-significant-accounting-policies-policies" name="statement-statement-significant-accounting-policies-policies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
</xsd:schema>
