Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
REVENUES
Total revenues	$ 2,440,639	$ 2,266,549	$ 4,646,681	$ 4,620,915
DIRECT COST OF REVENUES
Production costs	505,126	530,147	1,238,906	1,205,130
Well management and operating	84,761	79,509	170,947	163,783
Depreciation, depletion and amortization	143,645	190,031	283,618	380,890
Accretion expense	80,800	88,900	167,400	186,700
Total direct cost of revenues	814,332	888,587	1,860,871	1,936,503
GENERAL AND ADMINISTRATIVE EXPENSE	523,167	491,179	1,109,968	1,071,302
Total cost of revenues	1,337,499	1,379,766	2,970,839	3,007,805
INCOME FROM OPERATIONS	1,103,140	886,783	1,675,842	1,613,110
OTHER INCOME
Interest and dividend income	107,838	36,776	164,196	69,791
Gain on disposal of property and equipment	426,300	63,709	553,765	63,709
Gain on sale of other assets	8,960	159,037	8,960	159,037
Total other income	543,098	259,522	726,921	292,537
NET INCOME	1,646,238	1,146,305	2,402,763	1,905,647
Allocation of Partnership Net Income
Limited Partners	1,626,705	1,132,703	2,374,253	1,883,035
General Partner	19,533	13,602	28,510	22,612
Net income	$ 1,646,238	$ 1,146,305	$ 2,402,763	$ 1,905,647
Net income per unit (in dollars per share)	$ 0.29	$ 0.20	$ 0.42	$ 0.33
Oil and Gas [Member]
REVENUES
Total revenues	$ 2,293,924	$ 2,085,823	$ 4,350,103	$ 4,286,445
Oil and Gas Service [Member]
REVENUES
Total revenues	145,129	135,098	292,765	278,401
Product and Service, Other [Member]
REVENUES
Total revenues	$ 1,586	$ 45,628	$ 3,813	$ 56,069