Quarterly report pursuant to Section 13 or 15(d)

7. Oil and Gas Properties (Details-Development costs)

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7. Oil and Gas Properties (Details-Development costs) - USD ($)
9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Extractive Industries [Abstract]    
Purchases of oil and gas properties and development costs for cash $ 4,858,134 $ 17,968,423
Purchase of oil and gas properties accrued at period-end 3,155,016 7,359,282
Purchase of oil and gas properties accrued at the beginning of period (prior to disposition) (6,899,503) (9,364,796)
Capitalized asset retirement costs, net of revision in estimate 4,737 42,391
Total purchase and development costs, oil and gas properties $ 1,118,384 $ 16,005,300