Statements of Income (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Operating Revenues:
Oil and Gas Sales	$ 3,292,789	$ 3,306,547	$ 5,847,316	$ 6,179,258
Lease Bonuses and Other	194,341	1,049,294	259,038	1,150,984
[OilAndGasRevenue]	3,487,130	4,355,841	6,106,354	7,330,242
Operating Costs and Expenses:
Production	514,063	540,310	970,200	1,020,129
Exploration	4,093	67,083	38,716	272,871
Depreciation, Depletion, Amortization and Valuation Provisions	592,464	582,013	1,044,901	949,973
General, Administrative and Other	374,563	338,062	770,839	728,412
[OperatingExpenses]	1,485,183	1,527,468	2,824,656	2,971,385
Income from Operations	2,001,947	2,828,373	3,281,698	4,358,857
Other Income (Loss), Net	261,629	(11,948)	300,079	23,473
Income Before Provision for Income Taxes	2,263,576	2,816,425	3,581,777	4,382,330
Provision for Income Taxes:
Current	389,846	718,235	603,310	801,430
Deferred	236,146	117,311	348,479	427,495
Total Provision for Income Taxes	625,992	835,546	951,789	1,228,925
Net Income	$ 1,637,584	$ 1,980,879	$ 2,629,988	$ 3,153,405
Per Share Data:
Net Income, Basic and Diluted	$ 10.16	$ 12.26	$ 16.32	$ 19.51
Cash Dividends Declared and / or Paid	10.00	10.00	10.00	10.00
Weighted Average Shares Outstanding, Basic and Diluted	161,154	161,610	161,185	161,641