Oil and Gas Exploration and Production Industries Disclosures [Text Block] | Note 9. Supplemental Information Relating to Oil and Gas Producing Activities (Unaudited) The following supplemental unaudited oil and gas information is required by generally accepted accounting principles. The tables on the following pages set forth pertinent data with respect to the Company's oil and gas properties, all of which are located within the continental United States. CAPITALIZED COSTS RELATING TO OIL AND GAS PRODUCING ACTIVITIES Years ended December 31, 2016 2015 Proved oil and gas properties $ 181,447,571 $ 181,293,110 Pipeline and support equipment 682,135 631,757 Gross capitalized costs 182,129,706 181,924,867 Accumulated depreciation, depletion, amortization and write down 172,885,338 168,088,105 Net capitalized costs $ 9,244,368 $ 13,836,762 COSTS INCURRED IN OIL AND GAS PRODUCING ACTIVITIES Years ended December 31, 2016 2015 Property acquisition costs $ 20,363 $ 29,037 Development costs 136,274 72,047 The Company had no purchases of producing oil and gas properties in 2016 2015. RESULTS OF OPERATIONS FOR OIL AND GAS PRODUCING ACTIVITIES Years ended December 31, 2016 2015 Crude oil and natural gas sales $ 3,439,081 $ 5,728,206 Production costs (2,164,682 ) (2,734,789 ) Depreciation, depletion and amortization (4,753,321 ) (12,363,647 ) Accretion expense (393,535 ) (583,792 ) Write down/impairment and abandonment of crude oil and natural gas properties (88,329 ) (9,575,275 ) Results of operations before income tax expense (benefit) (3,960,786 ) (19,529,297 ) Income tax expense (benefit) (20,000 ) 11,000 Results of operations for oil and gas producing activities (excluding corporate overhead and financing costs) $ (3,940,786 ) $ (19,540,297 ) Income tax expense was computed using statutory tax rates and reflects permanent differences that are reflected in the Company's consolidated income tax expense for the year. ESTIMATED QUANTITIES OF PROVED OIL AND GAS RESERVES Oil Gas (BBLS) (MCF) Balance, January 1, 2015 511,000 23,724,000 Extensions, discoveries and other additions 2,000 5,000 Production (44,000 ) (1,616,000 ) Revision of previous estimates (192,000 ) (14,122,000 ) Balance, December 31, 2015 277,000 7,991,000 Extensions, discoveries and other additions 5,000 13,000 Production (34,000 ) (1,157,000 ) Revision of previous estimates (4,000 ) (1,567,000 ) Balance, December 31, 2016 244,000 5,280,000 PROVED DEVELOPED RESERVES: December 31, 2014 511,000 23,724,000 December 31, 2015 277,000 7,991,000 December 31, 2016 244,000 5,280,000 The Company has not determined proved reserves associated with its proved and other undeveloped properties, including its deep property interests. At December 31, 2016 2015, 46 91 $36,200 $35,700 December 31, 2016 2015, STANDARDIZED MEASURE OF DISCOUNTED FUTURE NET CASH FLOWS December 31, 2016 2015 (Thousands of Dollars) Future cash inflows from sales of oil and gas $ 17,014 $ 23,821 Future production and development costs (10,853 ) (15,446 ) Future asset retirement obligations, net of salvage (16,451 ) (16,443 ) Future income tax expense (95 ) (144 ) Future net cash flows (10,385 ) (8,212 ) Effect of discounting future net cash flows at 10% per annum 461 1 Standardized measure of discounted future net cash flows $ (9,924 ) $ (8,211 ) CHANGES IN THE STANDARDIZED MEASURE OF DISCOUNTED FUTURE NET CASH FLOWS Years Ended December 31, 2016 2015 (Thousands of Dollars) Balance, beginning of year $ (8,211 ) $ 28,157 Extensions, discoveries and other additions 85 30 Revision of quantity estimates (184 ) (2,562 ) Sales of crude oil and natural gas, net of production costs (1,274 ) (2,993 ) Net change in income taxes 32 573 Net changes in prices and production costs (1,080 ) (31,254 ) Accretion of discount (821 ) 2,816 Other 1,529 (2,978 ) Balance, end of year $ (9,924 ) $ (8,211 ) There are numerous uncertainties inherent in estimating quantities of proved reserves and in projecting future rates of production and timing of development expenditures, including many factors beyond the control of the Company. The estimated future cash flows are determined based on crude oil and natural gas pricing parameters established by generally accepted accounting principles, adjusted for contract terms within contract periods, estimated production of proved crude oil and natural gas reserves, estimated future production and development costs of reserves and future retirement obligations (net of salvage), based on current economic conditions, and the estimated future income tax expense, based on year-end statutory tax rates (with consideration of future tax rates already legislated) to be incurred on pretax net cash flows less the tax basis of the properties involved. Such cash flows are then discounted using a 10% The methodology and assumptions used in calculating the standardized measure are those required by generally accepted accounting principles and United States Securities and Exchange Commission reporting requirements. It is not intended to be representative of the fair market value of the Company's proved reserves. The valuation of revenues and costs does not necessarily reflect the amounts to be received or expended by the Company. In addition to the valuations used, numerous other factors are considered in evaluating known and prospective oil and gas reserves. Average adjusted natural gas prices used in the estimation of proved reserves were $1.41 $1.37 December 31, 2016 2015, $39.33 $46.40 December 31, 2016 2015, |