Text Block [Abstract] Major Customer and Related Parties Information Major Customer And Related Parties Information Disclosure [Text Block] MAJOR CUSTOMER AND RELATED PARTIES INFORMATION Accounting Policies [Abstract] Statement Presentation Basis of Accounting, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Oil and Gas Properties Oil and Gas Properties Policy [Policy Text Block] Asset Retirement Costs and Obligation Asset Retirement Obligations, Policy [Policy Text Block] Revenue Recognition Revenue Recognition, Policy [Policy Text Block] Insurance Coverage Insurance Coverage Policy [Text Block] Insurance Coverage. Net Income (Loss) Per Investing Unit Net Income (Loss) Per Investing Unit [Policy Text Block] Policy for net income (loss) per investing unit. Income Taxes Income Tax, Policy [Policy Text Block] Receivable from / Payable to Apache Corporation Related Party Transactions Policy [Text Block] Related Party Transactions Policy [Text Block] Maintenance and Repairs Maintenance Cost, Policy [Policy Text Block] New Pronouncements Issued But Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Balance, beginning of year Limited Partners' Capital Account, Units Outstanding Repurchase of Partnership Units Limited Partners Capital Account Units Repurchased Limited Partners Capital Account Units Repurchased Balance, end of year Income Tax Disclosure [Abstract] Tax bases in net oil and gas properties Oil And Gas Properties Tax Base Oil And Gas Properties Tax Base Capitalized syndication cost Capitalized Syndication Cost Capitalized Syndication Cost Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Quarterly Financial Information Disclosure [Abstract] Schedule of Supplemental Quarterly Financial Data Quarterly Financial Information [Table Text Block] Statement of Financial Position [Abstract] Investing Partners, units outstanding Reconciliation of Ordinary Income for Federal Income Tax Reporting Purposes Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Reconciliation of Liabilities for Federal Income Tax Reporting Purposes Investments Federal Income Tax Note, Schedule of Investments [Table Text Block] Related Party Transactions [Abstract] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Sales Revenue [Member] Sales Revenue, Net [Member] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Fieldwood Energy LLC [Member] Fieldwood Energy LLC [Member] Fieldwood Energy LLC [Member] Chevron Products Company [Member] Chevron Products Company [Member] Chevron Products Company [Member] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Customer Concentration Risk [Member] Customer Concentration Risk [Member] Revenue, Major Customer [Line Items] Revenue, Major Customer [Line Items] Partnership oil and gas sales Concentration Risk, Percentage Extractive Industries [Abstract] Oil and Gas Properties [Table] Oil and Gas Properties [Table] Oil and Gas Properties [Table] Partner Type [Axis] Partner Type [Axis] Partner Type of Partners' Capital Account, Name [Domain] Partner Type of Partners' Capital Account, Name [Domain] Managing Partner [Member] General Partner [Member] Investing Partners [Member] Limited Partner [Member] Oil and Gas Properties [Line Items] Oil and Gas Properties [Line Items] Oil and Gas Properties [Line Items] Balance Capitalized Costs, Accumulated Depreciation, Depletion, Amortization and Valuation Allowance Relating to Oil and Gas Producing Activities Provision Provision For Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities Provision For Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities Balance Net partnership ordinary income (loss) for federal income tax reporting purposes Net Income Loss For Federal Income Tax Purposes Net Income Loss For Federal Income Tax Purposes Intangible drilling cost Intangible Drilling Cost For Federal Income Tax Purposes Intangible Drilling Cost For Federal Income Tax Purposes Dismantlement and abandonment cost Dismantlement And Abandonment Cost For Federal Income Tax Purposes Dismantlement And Abandonment Cost For Federal Income Tax Purposes Abandonment expense Abandonment Expense Abandonment expense. Tax depreciation Depreciation Expense For Federal Income Tax Purposes Depreciation Expense For Federal Income Tax Purposes Non deductible expenses for federal income tax purposes Non Deductible Expenses For Federal Income Tax Purposes Non Deductible Expenses For Federal Income Tax Purposes Less: full cost DD&A expense Depreciation, Depletion and Amortization Less: asset retirement obligation accretion Asset Retirement Obligation, Accretion Expense Net income (loss) Net Income (Loss) Attributable to Parent Revenues Revenues Expenses Costs and Expenses NET INCOME (LOSS) ALLOCATED TO: Partnership Income [Abstract] Managing Partner Net Income (Loss) Allocated to General Partners Investing Partners Net Income (Loss) Allocated to Limited Partners Net income (loss) per Investing Partner Unit Net Income (Loss), Per Outstanding Limited Partnership Unit, Basic, Net of Tax Writedowns of oil and gas properties Impairment of Oil and Gas Properties Supplemental Oil And Gas Disclosures [Abstract] Supplemental Oil And Gas Disclosures [Abstract] Sales, net of production costs Sales and Transfers of Oil and Gas Produced, Net of Production Costs Net change in prices and production costs Net Changes In Prices Production Costs And Development Net Changes In Prices Production Costs And Development Revisions of quantities Revisions of Previous Quantity Estimates Discoveries and improved recoveries, net of cost Extensions, Discoveries, Additions and Improved Recovery, Less Related Costs Accretion of discount Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves, Accretion of Discount Changes in future development costs Changes in Estimated Future Development Costs Changes in production rates and other Net Changes In Production Rates And Other Net Changes In Production Rates And Other Total Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Period Increase (Decrease) ASSETS Assets [Abstract] CURRENT ASSETS: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Accrued revenues receivable Accounts Receivable, Net, Current Receivable from Apache Corporation Due from Related Parties, Current Total Current Assets Assets, Current OIL AND GAS PROPERTIES, on the basis of full cost accounting: Oil and Gas Property, Full Cost Method, Net [Abstract] Proved properties Capitalized Costs, Proved Properties Less – Accumulated depreciation, depletion and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Total oil and gas properties, on the basis of full cost accounting Oil and Gas Property, Full Cost Method, Net Total Assets Assets LIABILITIES AND PARTNERS’ CAPITAL Liabilities and Equity [Abstract] CURRENT LIABILITIES: Liabilities, Current [Abstract] Payable to Apache Corporation Due to Related Parties, Current Current asset retirement obligation Asset Retirement Obligation, Current Other payables Accounts Payable, Other, Current Accrued operating expenses Accrued Liabilities, Current Accrued development costs Accounts Payable and Accrued Liabilities, Current Total Current Liabilities Liabilities, Current ASSET RETIREMENT OBLIGATION Asset Retirement Obligations, Noncurrent PARTNERS’ CAPITAL: Partners' Capital [Abstract] Managing Partner General Partners' Capital Account Investing Partners (1,021.5 units outstanding) Limited Partners' Capital Account Total Partners' Capital Partners' Capital Total liabilities and partners' capital Liabilities and Equity Proved Developed and Undeveloped Oil and Gas Reserve Quantities [Table] Proved Developed and Undeveloped Oil and Gas Reserve Quantities [Table] Petroleum Reserves [Axis] Petroleum Reserves [Axis] Type of Reserve [Domain] Type of Reserve [Domain] Oil [Member] Oil [Member] NGL [Member] Natural Gas Liquids [Member] Gas [Member] Natural Gas [Member] Oil and Gas Delivery Commitments and Contracts [Axis] Oil and Gas Delivery Commitments and Contracts [Axis] Oil and Gas Delivery Commitments and Contracts, Oil Producing Property [Domain] Oil and Gas Delivery Commitments and Contracts, Oil Producing Property [Domain] Proved Reserves [Member] Proved Reserves [Member] Proved Reserves [Member] Proved Developed [Member] Proved Developed Reserves [Member] Proved Developed Reserves [Member] Reserve Quantities [Line Items] Reserve Quantities [Line Items] Beginning of year Proved Developed and Undeveloped Reserves, Net Extensions, discoveries and other additions Proved Developed and Undeveloped Reserves, Extensions, Discoveries, and Additions Revisions of previous estimates Proved Developed and Undeveloped Reserves, Revisions of Previous Estimates Production Proved Developed and Undeveloped Reserves, Production End of year Tax-Basis Financial Information Income Tax Disclosure [Text Block] Supplemental Oil and Gas Disclosures (Unaudited) Oil and Gas Exploration and Production Industries Disclosures [Text Block] Future cash inflows Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Cash Inflows Future production costs Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Production Costs Future development costs Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Development Costs Net cash flows Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Net Cash Flows 10 percent annual discount rate Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Ten Percent Annual Discount for Estimated Timing of Cash Flows Discounted future net cash flows Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves Compensation to Affiliates Compensation To Affiliates Disclosure [Text Block] COMPENSATION TO AFFILIATES Fair Value Disclosures [Abstract] Fair Value Measurements Fair Value Disclosures [Text Block] Investments in and Advances to Affiliates, Schedule of Investments [Abstract] Apache is reimbursed for general, administrative and overhead expenses incurred in connection with the management and operation of the Partnership’s business Reimbursement For General Administrative And Overhead Expenses Reimbursement For General Administrative And Overhead Expenses Apache is reimbursed for development overhead costs incurred in the Partnership’s operations. These costs are based on development activities and are capitalized to oil and gas properties Reimbursement For Development Overhead Costs Reimbursement For Development Overhead Costs Organization Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Percentage of reserve volumes sold Minimum Percentage Of Partnership Reserve Volumes Sold To Recognize Gain Or Loss On Sale Of Oil And Gas Properties Minimum Percentage Of Partnership Reserve Volumes Sold To Recognize Gain Or Loss On Sale Of Oil And Gas Properties Estimated future net cash flows from proved oil and gas reserves Estimated Future Cash Flows Discount Rate Estimated future cash flows discount rate. Impairment of oil and gas properties Liability for gas imbalances in excess of remaining reserves Gas Balancing Payable, Current Income Statement [Abstract] Statement [Table] Statement [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Recurring [Member] Oil And Gas Property And Equipment Recurring [Member] Oil And Gas Property And Equipment Recurring [Member] Additional [Member] Oil And Gas Property And Equipment Additional [Member] Oil And Gas Property And Equipment Additional [Member] Statement [Line Items] Statement [Line Items] REVENUES: Revenues [Abstract] Oil and gas sales Oil and Gas Sales Revenue Other revenue (loss) Other Income Loss Other income (loss) Interest income Investment Income, Interest Total Revenues EXPENSES: Costs and Expenses [Abstract] Depreciation, depletion and amortization Asset retirement obligation accretion Lease operating expenses Oil and Gas Property, Lease Operating Expense Gathering and transportation costs Gas Gathering, Transportation, Marketing and Processing Costs Administrative General and Administrative Expense Total Expenses NET INCOME (LOSS) NET INCOME (LOSS) PER INVESTING PARTNER UNIT (in USD per share) WEIGHTED AVERAGE INVESTING PARTNER UNITS OUTSTANDING (in shares) Weighted Average Limited Partnership Units Outstanding, Basic Compensation and Reimbursement for Costs and Expenses Compensation And Reimbursement For Costs And Expenses [Table Text Block] Compensation And Reimbursement For Costs And Expenses [Table Text Block] Collaboration Arrangement Disclosure [Abstract] Collaboration Arrangement Disclosure [Abstract] Schedule Of Organization [Table] Schedule Of Organization [Table] Schedule Of Organization [Table] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Schedule Of Organization [Line Items] Schedule Of Organization [Line Items] Schedule Of Organization [Line Items] Percentage share held in partnership Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest Percentage interest Purchased in offshore leasehold Percentage Of Ownership Interests Acquired Percentage Of Ownership Interests Acquired No. of federal lease tracts Number Of Federal Lease Tracts Number Of Federal Lease Tracts Percentage of remaining interest purchased Percentage Of Remaining Ownership Interest Acquired Percentage Of Remaining Ownership Interest Acquired Percentage interest acquired in blocks Joint Venture Interest Acquired Joint Venture Interest Acquired Number of remaining ventures Number Of Remaining Venture Prospects Number Of Remaining Venture Prospects Working percentage interest Percentage Of Partnership Interest In Remaining Venture prospects Percentage Of Partnership Interest In Remaining Venture prospects Percent of revenues Percentage Of Revenues Receives By Partners Under Agreement Percentage Of Revenues Receives By Partners Under Agreement Percentage of interest income earned on short term cash investments Percentage Of Interest Income On Investment receives By Partners Under Agreement Percentage Of Interest Income On Investment receives By Partners Under Agreement Percentage of expenses incurred Percentage Of Exploration And Development Costs Incurred Pays By Partners Percentage Of Exploration And Development Costs Incurred Pays By Partners Percentage of expenses related to loans Percentage Of Expenses Related To Loans Incurred Pays by Partners Percentage Of Expenses Related To Loans Incurred Pays by Partners Percentage of partner's total amount equals to cost Percentage Of Aggregate Costs Allocated Prior To Formation Of Partnership Percentage Of Aggregate Costs Allocated Prior To Formation Of Partnership Outstanding units Percentage Of Unit Purchased Under Right Of Presentment Percentage Of Unit Purchased Under Right Of Presentment Net revenue from proved reserves Estimates Of Proved Reserves Percentage Estimates Of Proved Reserves Percentage Discounted rate Discount Rate Percentage Discount Rate Percentage Investor subscription, units Partners Capital Account Contributions Per Unit Partners Capital Account Contributions Per Unit Percentage of Investor subscription Partners Capital Account Initial Contributions Percentage Partners Capital Account Initial Contributions Percentage Full purchase price Partnership Unit Purchase Price Per Unit Partnership Unit Purchase Price Per Unit Number of original units Limited Partners Capital Account Original Offered Units Limited Partners Capital Account Original Offered Units Statement of Partners' Capital [Abstract] BEGINNING BALANCE Distributions General Partners' Capital Account, Period Distribution Amount Contributions Partners' Capital Account, Contributions ENDING BALANCE Liabilities for federal income tax purposes Liabilities For Federal Income Tax Purposes Liabilities for federal income tax purposes. Asset retirement liability Asset Retirement Obligation Liabilities under accounting principles generally accepted in the United States Liabilities Under General Accepted Accounting Principles Liabilities Under General Accepted Accounting Principles Direct Cost Information Capitalized Costs Relating To Oil And Gas Producing Activities Table [Text Block] Capitalized Costs Relating To Oil And Gas Producing Activities Table [Text Block] Changes in Partnership's Oil and Gas Properties Capitalized Costs Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities[Table Text Block] Capitalized Costs Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities[Table Text Block] Oil and Gas Properties Capitalized Costs Relating to Oil and Gas Producing Activities Disclosure [Table Text Block] Asset Retirement Obligation Disclosure [Abstract] Asset Retirement Obligation Asset Retirement Obligation Disclosure [Text Block] Proved Reserves and Projecting Future Rates of Production and Timing of Development Expenditures Schedule of Proved Developed and Undeveloped Oil and Gas Reserve Quantities [Table Text Block] Discounted Future Net Cash Flows Relating to Proved Reserves Standardized Measure of Discounted Future Cash Flows Relating to Proved Reserves Disclosure [Table Text Block] Discounted Future Net Cash Flows Schedule Of Changes In Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves Table [Text Block] Schedule Of Changes In Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves Table [Text Block] Total Valuation Price Right Of Presentment Valuation Price Right Of Presentment Valuation Price Valuation Price Per Unit Right Of Presentment Valuation Price Per Unit Investing partner units value per unit. Statement of Cash Flows [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] (Increase) decrease in accrued receivables Increase (Decrease) in Accounts Receivable Increase (decrease) in receivable from/payable to Apache Corporation Increase Decrease In Due From To Related Party Change in receivable/payable from the Partnership's managing partner. Increase (decrease) in other payables Increase (Decrease) in Other Accounts Payable Increase (decrease) in accrued operating expenses Increase (Decrease) in Accrued Liabilities Increase (decrease) in asset retirement obligations Increase (Decrease) in Asset Retirement Obligations Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Operating Activities, Continuing Operations CASH FLOWS FROM INVESTING ACTIVITIES: Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Additions to oil and gas properties Payments to Explore and Develop Oil and Gas Properties Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations CASH FLOWS FROM FINANCING ACTIVITIES: Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Contributions from Managing Partner Proceeds from Partnership Contribution Distributions to Managing Partner Payments of Distributions to Managing Partner The distributions of earnings or capital to the Managing Partner. Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS Cash and Cash Equivalents, Period Increase (Decrease) CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR CASH AND CASH EQUIVALENTS, END OF PERIOD Changes to Partnership's Asset Retirement Obligation Liability Schedule of Change in Asset Retirement Obligation [Table Text Block] Decrease of development costs Development Costs, Change in Estimates Development Costs, Change in Estimates Development costs Costs Incurred, Asset Retirement Obligation Incurred DD&A rate as percentage of oil and gas sales Amortization Rate Per Dollar Of Gross Revenue Amortization Rate Per Dollar Of Gross Revenue Balance, beginning of year Capitalized Costs, Oil and Gas Producing Activities, Gross Development - Investing Partners Development Costs Investing Partners Development Costs Investing Partners Managing Partner Development Costs Managing Partners Development Costs Managing Partners Balance, end of year Asset retirement obligation at beginning of year Accretion expense Liabilities settled Asset Retirement Obligation, Liabilities Settled Revisions in estimated liabilities Asset Retirement Obligation, Revision of Estimate Asset retirement obligation at end of year Asset retirement obligation at end of year Less current portion Asset retirement obligation, long-term Supplemental Quarterly Financial Data (Unaudited) Quarterly Financial Information [Text Block] Document And Entity Information [Abstract] Document and Entity Information. Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Current Reporting Status Entity Current Reporting Status Entity Voluntary Filers Entity Voluntary Filers Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Public Float Entity Public Float Total Repurchase Price for All Outstanding Units Right Of Presentment [Table Text Block] Right Of Presentment [Table Text Block] Repurchase Price Per Unit for All Outstanding Units Schedule of Limited Partners' Capital Account by Class [Table Text Block] Percentage of partnership's current proved developed reserves classified as proved not producing Percentage Of Estimated Proved Developed Reserves Classified As Proved Not Producing Percentage of estimated proved developed reserves classified as proved not producing.