<?xml version="1.0" encoding="US-ASCII" ?>
    <!-- Field: Doc-Info; Name: Generator; Value: GoFiler Complete; Version: 6.5a -->
    <!-- Field: Doc-Info; Name: VendorURI; Value: https://www.novaworks.com -->
    <!-- Field: Doc-Info; Name: Status; Value: 0x00000000 -->
    <!-- Field: Doc-Info; Name: Misc; Value: +Kopo7xRiXgen8uEbXpMOaWHuaPty552iYkxvmR1fWkK7yImb2kQzStWpw+WQSsE -->
<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/2025" xmlns:us-gaap="http://fasb.org/us-gaap/2025" xmlns:us-types="http://fasb.org/us-types/2025" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2022-03-31" xmlns:ecd="http://xbrl.sec.gov/ecd/2025" xmlns:country="http://xbrl.sec.gov/country/2025" xmlns:srt="http://fasb.org/srt/2025" xmlns:cyd="http://xbrl.sec.gov/cyd/2025" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:KLNG="http://koilenergy.com/20251231" elementFormDefault="qualified" targetNamespace="http://koilenergy.com/20251231">
    <annotation>
      <appinfo>
        <link:roleType roleURI="http://koilenergy.com/role/Cover" id="Cover">
          <link:definition>00000001 - Document - Cover</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://koilenergy.com/role/ConsolidatedBalanceSheets" id="ConsolidatedBalanceSheets">
          <link:definition>00000002 - 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://koilenergy.com/role/ConsolidatedBalanceSheetsParenthetical" id="ConsolidatedBalanceSheetsParenthetical">
          <link:definition>00000003 - 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://koilenergy.com/role/ConsolidatedStatementsOfOperations" id="ConsolidatedStatementsOfOperations">
          <link:definition>00000004 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS</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://koilenergy.com/role/ConsolidatedStatementsOfComprehensiveLoss" id="ConsolidatedStatementsOfComprehensiveLoss">
          <link:definition>00000005 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS</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://koilenergy.com/role/ConsolidatedStatementsOfStockholdersEquity" id="ConsolidatedStatementsOfStockholdersEquity">
          <link:definition>00000006 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY</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://koilenergy.com/role/ConsolidatedStatementsOfCashFlows" id="ConsolidatedStatementsOfCashFlows">
          <link:definition>00000007 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</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://koilenergy.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesAndEstimates" id="DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesAndEstimates">
          <link:definition>999015 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND ESTIMATES</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://koilenergy.com/role/Leases" id="Leases">
          <link:definition>999016 - Disclosure - LEASES</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://koilenergy.com/role/RevenueFromContractsWithCustomers" id="RevenueFromContractsWithCustomers">
          <link:definition>999017 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS</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://koilenergy.com/role/PropertyPlantAndEquipment" id="PropertyPlantAndEquipment">
          <link:definition>999018 - Disclosure - PROPERTY, PLANT AND EQUIPMENT</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://koilenergy.com/role/EarningsPerCommonShare" id="EarningsPerCommonShare">
          <link:definition>999019 - Disclosure - EARNINGS PER COMMON SHARE</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://koilenergy.com/role/Share-basedCompensation" id="Share-basedCompensation">
          <link:definition>999020 - Disclosure - SHARE-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://koilenergy.com/role/TreasuryStock" id="TreasuryStock">
          <link:definition>999021 - Disclosure - TREASURY STOCK</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://koilenergy.com/role/IncomeTaxes" id="IncomeTaxes">
          <link:definition>999022 - Disclosure - INCOME TAXES</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://koilenergy.com/role/CommitmentsAndContingencies" id="CommitmentsAndContingencies">
          <link:definition>999023 - Disclosure - COMMITMENTS AND CONTINGENCIES</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://koilenergy.com/role/EmployeeRetentionCredit" id="EmployeeRetentionCredit">
          <link:definition>999024 - Disclosure - EMPLOYEE RETENTION CREDIT</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://koilenergy.com/role/SegmentInformation" id="SegmentInformation">
          <link:definition>999025 - Disclosure - SEGMENT 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://koilenergy.com/role/IntangibleCapitalizedSoftwareDevelopmentCostsNet" id="IntangibleCapitalizedSoftwareDevelopmentCostsNet">
          <link:definition>999026 - Disclosure - INTANGIBLE CAPITALIZED SOFTWARE DEVELOPMENT COSTS, NET</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://koilenergy.com/role/SubsequentEvents" id="SubsequentEvents">
          <link:definition>999027 - Disclosure - 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://koilenergy.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesAndEstimatesPolicies" id="DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesAndEstimatesPolicies">
          <link:definition>999028 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND ESTIMATES (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://koilenergy.com/role/LeasesTables" id="LeasesTables">
          <link:definition>999029 - Disclosure - LEASES (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://koilenergy.com/role/RevenueFromContractsWithCustomersTables" id="RevenueFromContractsWithCustomersTables">
          <link:definition>999030 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (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://koilenergy.com/role/PropertyPlantAndEquipmentTables" id="PropertyPlantAndEquipmentTables">
          <link:definition>999031 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (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://koilenergy.com/role/EarningsPerCommonShareTables" id="EarningsPerCommonShareTables">
          <link:definition>999032 - Disclosure - EARNINGS PER COMMON SHARE (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://koilenergy.com/role/Share-basedCompensationTables" id="Share-basedCompensationTables">
          <link:definition>999033 - Disclosure - SHARE-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://koilenergy.com/role/IncomeTaxesTables" id="IncomeTaxesTables">
          <link:definition>999034 - Disclosure - INCOME TAXES (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://koilenergy.com/role/SegmentInformationTables" id="SegmentInformationTables">
          <link:definition>999035 - Disclosure - SEGMENT INFORMATION (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://koilenergy.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesAndEstimatesDetailsNarrative" id="DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesAndEstimatesDetailsNarrative">
          <link:definition>999036 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND ESTIMATES (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://koilenergy.com/role/LeasesDetails-OperatingAndFinanceLeaseInformation" id="LeasesDetails-OperatingAndFinanceLeaseInformation">
          <link:definition>999037 - Disclosure - LEASES (Details - Operating and finance lease 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://koilenergy.com/role/LeasesDetails-ComponentsOfLeaseExpense" id="LeasesDetails-ComponentsOfLeaseExpense">
          <link:definition>999038 - Disclosure - LEASES (Details - Components of lease expense)</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://koilenergy.com/role/LeasesDetails-LeaseTermAndDiscount" id="LeasesDetails-LeaseTermAndDiscount">
          <link:definition>999039 - Disclosure - LEASES (Details - Lease term and discount)</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://koilenergy.com/role/LeasesDetails-PresentValue" id="LeasesDetails-PresentValue">
          <link:definition>999040 - Disclosure - LEASES (Details - Present value)</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://koilenergy.com/role/RevenueFromContractsWithCustomersDetails-DisaggregationOfRevenue" id="RevenueFromContractsWithCustomersDetails-DisaggregationOfRevenue">
          <link:definition>999041 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (Details - Disaggregation of revenue)</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://koilenergy.com/role/RevenueFromContractsWithCustomersDetails-ContractBalances" id="RevenueFromContractsWithCustomersDetails-ContractBalances">
          <link:definition>999042 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (Details - Contract balances)</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://koilenergy.com/role/RevenueFromContractsWithCustomersDetails-AccountsReceivableNet" id="RevenueFromContractsWithCustomersDetails-AccountsReceivableNet">
          <link:definition>999043 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (Details - Accounts receivable, net)</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://koilenergy.com/role/PropertyPlantAndEquipmentDetails" id="PropertyPlantAndEquipmentDetails">
          <link:definition>999044 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (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://koilenergy.com/role/PropertyPlantAndEquipmentDetailsNarrative" id="PropertyPlantAndEquipmentDetailsNarrative">
          <link:definition>999045 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (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://koilenergy.com/role/EarningsPerCommonShareDetails" id="EarningsPerCommonShareDetails">
          <link:definition>999046 - Disclosure - EARNINGS PER COMMON SHARE (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://koilenergy.com/role/EarningsPerCommonShareDetailsNarrative" id="EarningsPerCommonShareDetailsNarrative">
          <link:definition>999047 - Disclosure - EARNINGS PER COMMON SHARE (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://koilenergy.com/role/Share-basedCompensationDetails-Assumptions" id="Share-basedCompensationDetails-Assumptions">
          <link:definition>999048 - Disclosure - SHARE-BASED COMPENSATION (Details - Assumptions)</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://koilenergy.com/role/Share-basedCompensationDetails-StockOptions" id="Share-basedCompensationDetails-StockOptions">
          <link:definition>999049 - Disclosure - SHARE-BASED COMPENSATION (Details - Stock options)</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://koilenergy.com/role/Share-basedCompensationDetails-Rsas" id="Share-basedCompensationDetails-Rsas">
          <link:definition>999050 - Disclosure - SHARE-BASED COMPENSATION (Details - RSAs)</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://koilenergy.com/role/Share-basedCompensationDetailsNarrative" id="Share-basedCompensationDetailsNarrative">
          <link:definition>999051 - Disclosure - SHARE-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:roleType roleURI="http://koilenergy.com/role/TreasuryStockDetailsNarrative" id="TreasuryStockDetailsNarrative">
          <link:definition>999052 - Disclosure - TREASURY STOCK (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://koilenergy.com/role/IncomeTaxesDetails-ProvisionForIncomeTaxes" id="IncomeTaxesDetails-ProvisionForIncomeTaxes">
          <link:definition>999053 - Disclosure - INCOME TAXES (Details - Provision for income taxes)</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://koilenergy.com/role/IncomeTaxesDetails-TaxRates" id="IncomeTaxesDetails-TaxRates">
          <link:definition>999054 - Disclosure - INCOME TAXES (Details - Tax rates)</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://koilenergy.com/role/IncomeTaxesDetails-DeferredTaxAssets" id="IncomeTaxesDetails-DeferredTaxAssets">
          <link:definition>999055 - Disclosure - INCOME TAXES (Details - Deferred tax assets)</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://koilenergy.com/role/IncomeTaxesDetailsNarrative" id="IncomeTaxesDetailsNarrative">
          <link:definition>999056 - Disclosure - INCOME TAXES (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://koilenergy.com/role/CommitmentsAndContingenciesDetailsNarrative" id="CommitmentsAndContingenciesDetailsNarrative">
          <link:definition>999057 - Disclosure - COMMITMENTS AND CONTINGENCIES (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://koilenergy.com/role/EmployeeRetentionCreditDetailsNarrative" id="EmployeeRetentionCreditDetailsNarrative">
          <link:definition>999058 - Disclosure - EMPLOYEE RETENTION CREDIT (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://koilenergy.com/role/SegmentInformationDetails-OperatingExpenses" id="SegmentInformationDetails-OperatingExpenses">
          <link:definition>999059 - Disclosure - SEGMENT INFORMATION (Details - Operating expenses)</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://koilenergy.com/role/SegmentInformationDetailsNarrative" id="SegmentInformationDetailsNarrative">
          <link:definition>999060 - Disclosure - SEGMENT INFORMATION (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://koilenergy.com/role/IntangibleCapitalizedSoftwareDevelopmentCostsNetDetailsNarrative" id="IntangibleCapitalizedSoftwareDevelopmentCostsNetDetailsNarrative">
          <link:definition>999061 - Disclosure - INTANGIBLE CAPITALIZED SOFTWARE DEVELOPMENT COSTS, NET (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="klng-20251231_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="klng-20251231_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="klng-20251231_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="klng-20251231_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://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd" />
    <import namespace="http://fasb.org/us-gaap/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd" />
    <import namespace="http://fasb.org/us-types/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-types-2025.xsd" />
    <import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd" />
    <import namespace="http://xbrl.sec.gov/ecd/2025" schemaLocation="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd" />
    <import namespace="http://xbrl.sec.gov/country/2025" schemaLocation="https://xbrl.sec.gov/country/2025/country-2025.xsd" />
    <import namespace="http://fasb.org/srt/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd" />
    <import namespace="http://xbrl.sec.gov/cyd/2025" schemaLocation="https://xbrl.sec.gov/cyd/2025/cyd-2025.xsd" />
    <element id="KLNG_AmergyMember" name="AmergyMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_TotalRevenuesMember" name="TotalRevenuesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_Customer1Member" name="Customer1Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_Customer2Member" name="Customer2Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_OtherCustomersMember" name="OtherCustomersMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_Customer3Member" name="Customer3Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_Customer4Member" name="Customer4Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_Customer5Member" name="Customer5Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_CostOfSales1Member" name="CostOfSales1Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_SellingGenlAndAdminMember" name="SellingGenlAndAdminMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_OutstandingOptionsMember" name="OutstandingOptionsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_IndependentDirectorsMember" name="IndependentDirectorsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_EachIndependentDirectorMember" name="EachIndependentDirectorMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_KurtKellerMember" name="KurtKellerMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_ErikWiikMember" name="ErikWiikMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_OptionsMember" name="OptionsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_RestrictedStockAwardsMember" name="RestrictedStockAwardsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_OMSInternationalLimitedMember" name="OMSInternationalLimitedMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_EmployeeCreditReceivableMember" name="EmployeeCreditReceivableMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_InterestIncome1Member" name="InterestIncome1Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_EmployeeRetentionTaxCreditReceivable" name="EmployeeRetentionTaxCreditReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_WeightedaverageSharesOutstandingAbstract" name="WeightedaverageSharesOutstandingAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_PropertyPlantAndEquipmentAcquiredViaDebt" name="PropertyPlantAndEquipmentAcquiredViaDebt" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_FinanceLeaseRightofuseAssetsObtainedInExchangeForLeaseLiabilities" name="FinanceLeaseRightofuseAssetsObtainedInExchangeForLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_DisclosureLeasesAbstract" name="DisclosureLeasesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_DisclosureEmployeeRetentionCreditAbstract" name="DisclosureEmployeeRetentionCreditAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_EmployeeRetentionCreditTextBlock" name="EmployeeRetentionCreditTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_LiquidityPolicyTextBlock" name="LiquidityPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_OperatingAndFinanceLeaseInformationTableTextBlock" name="OperatingAndFinanceLeaseInformationTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_LeaseTermAndDiscountRateTableTextBlock" name="LeaseTermAndDiscountRateTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_WorkingCapital" name="WorkingCapital" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_LeaseAssets" name="LeaseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_TotalLeaseLiabilities" name="TotalLeaseLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_Costsincurredonuncompletedcontracts" name="Costsincurredonuncompletedcontracts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_Estimatedearningsonuncompletedcontracts" name="Estimatedearningsonuncompletedcontracts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_EstimatedLossOnUncompletedContracts" name="EstimatedLossOnUncompletedContracts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_GrossCostsAndEstimatedEarnings" name="GrossCostsAndEstimatedEarnings" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_Billingstodateonuncompletedcontracts" name="Billingstodateonuncompletedcontracts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_CostsIncurredPlusEstimatedEarningLessBillingsOnUncompletedContractsNet" name="CostsIncurredPlusEstimatedEarningLessBillingsOnUncompletedContractsNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_CostsIncurredPlusEstimatedEarningLessBillingsOnUncompletedContractNet" name="CostsIncurredPlusEstimatedEarningLessBillingsOnUncompletedContractNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_PropertyPlantAndEquipmentEstimatedUsefulLives1" name="PropertyPlantAndEquipmentEstimatedUsefulLives1" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_DenominatorAbstract" name="DenominatorAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_LossPerCommonShareOutstandingAbstract" name="LossPerCommonShareOutstandingAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisedNumberOfShares" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisedNumberOfShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisedWeightedAverageGrantDateFairValue" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisedWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodFairValue" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_DisclosureTable" name="DisclosureTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="KLNG_DisclosureLineElements" name="DisclosureLineElements" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_FederalIncomeTaxAbstract" name="FederalIncomeTaxAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_StateIncomeTaxAbstract" name="StateIncomeTaxAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_IncomeTaxReconciliationNondeductibleExpenseOther1" name="IncomeTaxReconciliationNondeductibleExpenseOther1" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther1" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther1" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_RightofuseOperatingAsset" name="RightofuseOperatingAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_DeferredIncomeTaxesAndOtherAssetsNoncurrent1" name="DeferredIncomeTaxesAndOtherAssetsNoncurrent1" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_RightofuseOperatingLiabilities" name="RightofuseOperatingLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_EmployeeRetentionTaxCredit" name="EmployeeRetentionTaxCredit" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_EmployeeRetentionCreditReceived" name="EmployeeRetentionCreditReceived" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_SharebasedCompensationAndOtherPersonnelCosts" name="SharebasedCompensationAndOtherPersonnelCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="KLNG_Materials" name="Materials" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
</schema>
