Annual report pursuant to Section 13 and 15(d)

Supplemental Oil and Gas Reserve Information (Unaudited) (Details)

v3.7.0.1
Supplemental Oil and Gas Reserve Information (Unaudited) (Details)
12 Months Ended
Dec. 31, 2016
USD ($)
Oil and Gas Exploration and Production Industries Disclosures [Abstract]  
Production revenues
Production costs
Depletion and depreciation
Income tax
Results of operations for producing activities