3.24.1 html 59 211 1 false 25 0 false 13 false false R1.htm 000 - Document - Document And Entity Information Sheet http://http/20231231/role/statement-document-and-entity-information Document And Entity Information Cover 1 false false R2.htm 001 - Statement - Consolidated Balance Sheets Sheet http://http/20231231/role/statement-consolidated-balance-sheets- Consolidated Balance Sheets Statements 2 false false R3.htm 002 - Statement - Consolidated Balance Sheets (Parentheticals) Sheet http://http/20231231/role/statement-consolidated-balance-sheets-parentheticals Consolidated Balance Sheets (Parentheticals) Statements 3 false false R4.htm 003 - Statement - Consolidated Statements of Operations Sheet http://http/20231231/role/statement-consolidated-statements-of-operations Consolidated Statements of Operations Statements 4 false false R5.htm 004 - Statement - Consolidated Statements of Partners' Equity Sheet http://http/20231231/role/statement-consolidated-statements-of-partners-equity- Consolidated Statements of Partners' Equity Statements 5 false false R6.htm 005 - Statement - Consolidated Statements of Partners' Equity (Parentheticals) Sheet http://http/20231231/role/statement-consolidated-statements-of-partners-equity-parentheticals Consolidated Statements of Partners' Equity (Parentheticals) Statements 6 false false R7.htm 006 - Statement - Consolidated Statements of Cash Flows Sheet http://http/20231231/role/statement-consolidated-statements-of-cash-flows Consolidated Statements of Cash Flows Statements 7 false false R8.htm 007 - Disclosure - Note 1 - Organization and Summary of Significant Accounting Policies Sheet http://http/20231231/role/statement-note-1-organization-and-summary-of-significant-accounting-policies Note 1 - Organization and Summary of Significant Accounting Policies Notes 8 false false R9.htm 008 - Disclosure - Note 2 - Current Liabilities Sheet http://http/20231231/role/statement-note-2-current-liabilities Note 2 - Current Liabilities Notes 9 false false R10.htm 009 - Disclosure - Note 3 - Partners' Equity Sheet http://http/20231231/role/statement-note-3-partners-equity Note 3 - Partners' Equity Notes 10 false false R11.htm 010 - Disclosure - Note 4 - Retirement Plan Sheet http://http/20231231/role/statement-note-4-retirement-plan Note 4 - Retirement Plan Notes 11 false false R12.htm 011 - Disclosure - Note 5 - Business Segments, Risks and Major Customers Sheet http://http/20231231/role/statement-note-5-business-segments-risks-and-major-customers Note 5 - Business Segments, Risks and Major Customers Notes 12 false false R13.htm 012 - Disclosure - Note 6 - Commitments and Contingencies Sheet http://http/20231231/role/statement-note-6-commitments-and-contingencies Note 6 - Commitments and Contingencies Notes 13 false false R14.htm 013 - Disclosure - Note 7 - Supplemental Information Relating to Oil and Gas Producing Activities (Unaudited) Sheet http://http/20231231/role/statement-note-7-supplemental-information-relating-to-oil-and-gas-producing-activities-unaudited Note 7 - Supplemental Information Relating to Oil and Gas Producing Activities (Unaudited) Notes 14 false false R15.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 15 false false R16.htm 995460 - Disclosure - Significant Accounting Policies (Policies) Sheet http://http/20231231/role/statement-significant-accounting-policies-policies Significant Accounting Policies (Policies) Policies http://http/20231231/role/statement-note-1-organization-and-summary-of-significant-accounting-policies 16 false false R17.htm 995461 - Disclosure - Note 1 - Organization and Summary of Significant Accounting Policies (Tables) Sheet http://http/20231231/role/statement-note-1-organization-and-summary-of-significant-accounting-policies-tables Note 1 - Organization and Summary of Significant Accounting Policies (Tables) Tables http://http/20231231/role/statement-note-1-organization-and-summary-of-significant-accounting-policies 17 false false R18.htm 995462 - Disclosure - Note 2 - Current Liabilities (Tables) Sheet http://http/20231231/role/statement-note-2-current-liabilities-tables Note 2 - Current Liabilities (Tables) Tables http://http/20231231/role/statement-note-2-current-liabilities 18 false false R19.htm 995463 - Disclosure - Note 7 - Supplemental Information Relating to Oil and Gas Producing Activities (Unaudited) (Tables) Sheet http://http/20231231/role/statement-note-7-supplemental-information-relating-to-oil-and-gas-producing-activities-unaudited-tables Note 7 - Supplemental Information Relating to Oil and Gas Producing Activities (Unaudited) (Tables) Tables http://http/20231231/role/statement-note-7-supplemental-information-relating-to-oil-and-gas-producing-activities-unaudited 19 false false R20.htm 995464 - Disclosure - Note 1 - Organization and Summary of Significant Accounting Policies (Details Textual) Sheet http://http/20231231/role/statement-note-1-organization-and-summary-of-significant-accounting-policies-details-textual Note 1 - Organization and Summary of Significant Accounting Policies (Details Textual) Details http://http/20231231/role/statement-note-1-organization-and-summary-of-significant-accounting-policies-tables 20 false false R21.htm 995465 - Disclosure - Note 1 - Organization and Summary of Significant Accounting Policies - Reconciliation of Company's Asset Retirement Obligations (Details) Sheet http://http/20231231/role/statement-note-1-organization-and-summary-of-significant-accounting-policies-reconciliation-of-companys-asset-retirement-obligations-details Note 1 - Organization and Summary of Significant Accounting Policies - Reconciliation of Company's Asset Retirement Obligations (Details) Details 21 false false R22.htm 995466 - Disclosure - Note 2 - Current Liabilities - Components of Accounts Payable and Accrued (Details) Sheet http://http/20231231/role/statement-note-2-current-liabilities-components-of-accounts-payable-and-accrued-details Note 2 - Current Liabilities - Components of Accounts Payable and Accrued (Details) Details 22 false false R23.htm 995467 - Disclosure - Note 3 - Partners' Equity (Details Textual) Sheet http://http/20231231/role/statement-note-3-partners-equity-details-textual Note 3 - Partners' Equity (Details Textual) Details http://http/20231231/role/statement-note-3-partners-equity 23 false false R24.htm 995468 - Disclosure - Note 4 - Retirement Plan (Details Textual) Sheet http://http/20231231/role/statement-note-4-retirement-plan-details-textual Note 4 - Retirement Plan (Details Textual) Details http://http/20231231/role/statement-note-4-retirement-plan 24 false false R25.htm 995469 - Disclosure - Note 5 - Business Segments, Risks and Major Customers (Details Textual) Sheet http://http/20231231/role/statement-note-5-business-segments-risks-and-major-customers-details-textual Note 5 - Business Segments, Risks and Major Customers (Details Textual) Details http://http/20231231/role/statement-note-5-business-segments-risks-and-major-customers 25 false false R26.htm 995470 - Disclosure - Note 7 - Supplemental Information Relating to Oil and Gas Producing Activities (Unaudited) (Details Textual) Sheet http://http/20231231/role/statement-note-7-supplemental-information-relating-to-oil-and-gas-producing-activities-unaudited-details-textual Note 7 - Supplemental Information Relating to Oil and Gas Producing Activities (Unaudited) (Details Textual) Details http://http/20231231/role/statement-note-7-supplemental-information-relating-to-oil-and-gas-producing-activities-unaudited-tables 26 false false R27.htm 995471 - Disclosure - Note 7 - Supplemental Information Relating to Oil and Gas Producing Activities (Unaudited) - Capitalized Costs Relating to Oil and Gas Producing Activities (Details) Sheet http://http/20231231/role/statement-note-7-supplemental-information-relating-to-oil-and-gas-producing-activities-unaudited-capitalized-costs-relating-to-oil-and-gas-producing-activities-details Note 7 - Supplemental Information Relating to Oil and Gas Producing Activities (Unaudited) - Capitalized Costs Relating to Oil and Gas Producing Activities (Details) Details http://http/20231231/role/statement-note-7-supplemental-information-relating-to-oil-and-gas-producing-activities-unaudited-tables 27 false false R28.htm 995472 - Disclosure - Note 7 - Supplemental Information Relating to Oil and Gas Producing Activities (Unaudited) - Costs Incurred In Oil and Gas Producing Activities (Details) Sheet http://http/20231231/role/statement-note-7-supplemental-information-relating-to-oil-and-gas-producing-activities-unaudited-costs-incurred-in-oil-and-gas-producing-activities-details Note 7 - Supplemental Information Relating to Oil and Gas Producing Activities (Unaudited) - Costs Incurred In Oil and Gas Producing Activities (Details) Details http://http/20231231/role/statement-note-7-supplemental-information-relating-to-oil-and-gas-producing-activities-unaudited-tables 28 false false R29.htm 995473 - Disclosure - Note 7 - Supplemental Information Relating to Oil and Gas Producing Activities (Unaudited) - Results of Operations for Oil and Gas Producing Activities (Details) Sheet http://http/20231231/role/statement-note-7-supplemental-information-relating-to-oil-and-gas-producing-activities-unaudited-results-of-operations-for-oil-and-gas-producing-activities-details Note 7 - Supplemental Information Relating to Oil and Gas Producing Activities (Unaudited) - Results of Operations for Oil and Gas Producing Activities (Details) Details http://http/20231231/role/statement-note-7-supplemental-information-relating-to-oil-and-gas-producing-activities-unaudited-tables 29 false false R30.htm 995474 - Disclosure - Note 7 - Supplemental Information Relating to Oil and Gas Producing Activities (Unaudited) - Estimated Quantities of Proved Oil and Gas Reserves (Details) Sheet http://http/20231231/role/statement-note-7-supplemental-information-relating-to-oil-and-gas-producing-activities-unaudited-estimated-quantities-of-proved-oil-and-gas-reserves-details Note 7 - Supplemental Information Relating to Oil and Gas Producing Activities (Unaudited) - Estimated Quantities of Proved Oil and Gas Reserves (Details) Details http://http/20231231/role/statement-note-7-supplemental-information-relating-to-oil-and-gas-producing-activities-unaudited-tables 30 false false R31.htm 995475 - Disclosure - Note 7 - Supplemental Information Relating to Oil and Gas Producing Activities (Unaudited) - Standardized Measure of Discounted Future Net Cash Flows (Details) Sheet http://http/20231231/role/statement-note-7-supplemental-information-relating-to-oil-and-gas-producing-activities-unaudited-standardized-measure-of-discounted-future-net-cash-flows-details Note 7 - Supplemental Information Relating to Oil and Gas Producing Activities (Unaudited) - Standardized Measure of Discounted Future Net Cash Flows (Details) Details http://http/20231231/role/statement-note-7-supplemental-information-relating-to-oil-and-gas-producing-activities-unaudited-tables 31 false false R32.htm 995476 - Disclosure - Note 7 - Supplemental Information Relating to Oil and Gas Producing Activities (Unaudited) - Changes in the Standardized Measure of Discounted Future Net Cash Flows (Details) Sheet http://http/20231231/role/statement-note-7-supplemental-information-relating-to-oil-and-gas-producing-activities-unaudited-changes-in-the-standardized-measure-of-discounted-future-net-cash-flows-details Note 7 - Supplemental Information Relating to Oil and Gas Producing Activities (Unaudited) - Changes in the Standardized Measure of Discounted Future Net Cash Flows (Details) Details http://http/20231231/role/statement-note-7-supplemental-information-relating-to-oil-and-gas-producing-activities-unaudited-tables 32 false false All Reports Book All Reports [ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 31 fact(s) appearing in ix:hidden were eligible for transformation: dei:CurrentFiscalYearEndDate, dei:EntityRegistrantName, ecd:NonRule10b51ArrAdoptedFlag, ecd:NonRule10b51ArrTrmntdFlag, ecd:Rule10b51ArrAdoptedFlag, ecd:Rule10b51ArrTrmntdFlag, eepl:CashAndCashEquivalentsMaturityPeriod, eepl:EmployeeRetentionCredit, eepl:GeneralPartnerLiabilities, eepl:NumberOfMajorCustomers, eepl:NumberOfUncertainTaxPositions, us-gaap:CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves, us-gaap:DistributionMadeToLimitedPartnerDistributionsPaidPerUnit, us-gaap:GasImbalancePayableCurrentAndNoncurrent, us-gaap:ImpairmentOfOilAndGasProperties, us-gaap:LimitedPartnersCapitalAccountUnitsAuthorized, us-gaap:LimitedPartnersCapitalAccountUnitsIssued, us-gaap:LimitedPartnersCapitalAccountUnitsOutstanding, us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross, us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber, us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised - eepl20231231_10k.htm 8, 10, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43 eepl-20231231.xsd eepl-20231231_cal.xml eepl-20231231_def.xml eepl-20231231_lab.xml eepl-20231231_pre.xml eepl20231231_10k.htm http://fasb.org/srt/2023 http://fasb.org/us-gaap/2023 http://xbrl.sec.gov/dei/2023 http://xbrl.sec.gov/ecd/2023 true true