Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2022	Dec. 31, 2021
CURRENT ASSETS
Cash and equivalents	$ 9,742,946	$ 12,404,205
Investments	25,278,218	22,382,137
Production accounts receivable	2,438,543	1,846,726
Other	52,195	51,095
Total current assets	37,511,902	36,684,163
PROPERTY AND EQUIPMENT
Proved properties (successful efforts accounting method)	136,331,832	136,173,678
Pipeline and support equipment	539,684	527,916
Corporate and other	2,136,932	2,112,889
Gross property and equipment	139,008,448	138,814,483
Less accumulated depreciation, depletion, amortization and write down	132,116,288	132,008,249
Net property and equipment	6,892,160	6,806,234
OTHER ASSETS	204,333	210,699
TOTAL ASSETS	44,608,395	43,701,096
CURRENT LIABILITIES
Accounts payable	2,420,705	2,302,155
Accrued expenses	736,723	884,462
Total current liabilities	3,157,428	3,186,617
OPERATIONAL ADVANCES	2,918,866	2,855,680
ASSET RETIREMENT OBLIGATIONS	14,483,571	14,340,671
COMMITMENTS AND CONTINGENCIES
LIMITED PARTNERS' EQUITY, SUBJECT TO REPURCHASE RIGHT
Authorized - 8,000,000 Units Issued and outstanding - 5,243,119 and 5,334,473 Units, respectively	23,744,661	23,028,472
GENERAL PARTNER'S EQUITY	303,869	289,656
Total partners' equity	24,048,530	23,318,128
TOTAL LIABILITIES AND PARTNERS' EQUITY	$ 44,608,395	$ 43,701,096