Quarterly report pursuant to Section 13 or 15(d)

Oil and natural gas properties, net of accumulated impairment (under successful efforts accounting) - Narrative (Details)

v3.7.0.1
Oil and natural gas properties, net of accumulated impairment (under successful efforts accounting) - Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Extractive Industries [Abstract]        
Depletion and depreciation $ 26,295 $ 26,651 $ 49,720 $ 73,054
Impairment of oil and natural gas properties $ 0 $ 0 $ 0 $ 0