Consolidated Balance Sheets - USD ($)	Dec. 31, 2021	Dec. 31, 2020
CURRENT ASSETS
Cash and equivalents	$ 12,404,205	$ 10,249,207
Investments	22,382,137	20,372,652
Production accounts receivable	1,846,726	815,419
Other	51,095	79,950
Total current assets	36,684,163	31,517,228
PROPERTY AND EQUIPMENT
Proved properties (successful efforts accounting method)	136,173,678	142,912,812
Pipeline and support equipment	527,916	719,988
Corporate and other	2,112,889	2,093,989
Gross property and equipment	138,814,483	145,726,789
Less accumulated depreciation, depletion, amortization and write down	132,008,249	138,424,885
Net property and equipment	6,806,234	7,301,904
OTHER ASSETS	210,699	131,863
TOTAL ASSETS	43,701,096	38,950,995
CURRENT LIABILITIES
Accounts payable	2,205,736	2,470,720
Accrued expenses	980,881	1,575,935
Total current liabilities	3,186,617	4,046,655
DEFERRED INCOME TAXES	0	27,900
OPERATIONAL ADVANCES	2,855,680	2,653,099
ASSET RETIREMENT OBLIGATIONS	14,340,671	14,564,400
COMMITMENTS AND CONTINGENCIES	0	0
LIMITED PARTNERS' EQUITY, SUBJECT TO REPURCHASE RIGHT
Authorized - 8,000,000 Units Issued and outstanding - 5,334,473 and 5,441,928 Units, respectively	23,028,472	17,442,684
GENERAL PARTNER'S EQUITY	289,656	216,257
Total partners' equity	23,318,128	17,658,941
TOTAL LIABILITIES AND PARTNERS' EQUITY	$ 43,701,096	$ 38,950,995