Note 1 - Nature of Operations	12 Months Ended
Dec. 31, 2022
Notes to Financial Statements
Basis of Accounting [Text Block]	Note 1 – NATURE OF OPERATIONS The Reserve Petroleum Company, a Delaware corporation, is an independent oil and gas company engaged in oil and natural gas exploration, development and minerals management with areas of concentration in Arkansas, Kansas, Oklahoma, South Dakota, Texas and Wyoming, a single business segment. The Company is also engaged in investments and joint ventures that are not significant business segments. The Company’s subsidiaries consist of majority owned Grand Woods Development, LLC (“Grand Woods”), an Oklahoma limited liability company and wholly owned Trinity Water Services, LLC, an Oklahoma limited liability company, which has a water well drilling joint venture agreement (“JVA”) with TWS South, LLC, a Texas limited liability company (Collectively, “TWS”). Unless otherwise specified or the context otherwise requires, all references in these notes to “the Company,” “its,” “our,” and “we” are to The Reserve Petroleum Company and its consolidated subsidiaries.

Note 1 - Nature of Operations

12 Months Ended

Dec. 31, 2022

Note 1 – NATURE OF OPERATIONS

The Reserve Petroleum Company, a Delaware corporation, is an independent oil and gas company engaged in oil and natural gas exploration, development and minerals management with areas of concentration in Arkansas, Kansas, Oklahoma, South Dakota, Texas and Wyoming, a single business segment. The Company is also engaged in investments and joint ventures that are not significant business segments. The Company’s subsidiaries consist of majority owned Grand Woods Development, LLC (“Grand Woods”), an Oklahoma limited liability company and wholly owned Trinity Water Services, LLC, an Oklahoma limited liability company, which has a water well drilling joint venture agreement (“JVA”) with TWS South, LLC, a Texas limited liability company (Collectively, “TWS”). Unless otherwise specified or the context otherwise requires, all references in these notes to “the Company,” “its,” “our,” and “we” are to The Reserve Petroleum Company and its consolidated subsidiaries.