Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2016	Dec. 31, 2015
CURRENT ASSETS
Cash and equivalents	$ 11,585,546	$ 22,734,047
Investments	10,029,229	0
Accounts receivable:
Production	522,467	572,502
Joint venture partners	4,151	4,151
Employees' notes receivable	41,000	35,000
Other	44,838	45,838
Total current assets	22,227,231	23,391,538
PROPERTY AND EQUIPMENT
Proved properties (successful efforts accounting method)	181,293,580	181,293,110
Pipeline and support equipment	631,757	631,757
Corporate and other	2,111,699	2,114,844
Gross Property and Equipment	184,037,036	184,039,711
Less accumulated depreciation, depletion, amortization and write down	171,229,514	169,093,931
Net Property and Equipment	12,807,522	14,945,780
OTHER ASSETS
Employees' notes receivable	47,124	89,437
Other	176,442	176,442
Total Other Assets	223,566	265,879
Total Assets	35,258,319	38,603,197
CURRENT LIABILITIES
Accounts payable	1,800,300	1,839,816
Accrued expenses	652,547	1,130,772
Total current liabilities	2,452,847	2,970,588
DEFERRED INCOME TAXES	72,000	74,000
JOINT VENTURE PARTNER ADVANCES	1,024,535	1,004,953
ASSET RETIREMENT OBLIGATIONS	16,599,460	16,393,560
COMMITMENTS AND CONTINGENCIES
LIMITED PARTNERS' EQUITY, SUBJECT TO REPURCHASE RIGHT
Authorized - 8,000,000 Units Issued and outstanding - 5,587,616 Units	14,930,190	17,944,611
GENERAL PARTNER'S EQUITY	179,287	215,485
Total partners' equity	15,109,477	18,160,096
Total Liabilities and Partners' Equity	$ 35,258,319	$ 38,603,197