Quarterly report pursuant to Section 13 or 15(d)

ASSET RETIREMENT OBLIGATION (Details)

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ASSET RETIREMENT OBLIGATION (Details) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Asset Retirement Obligation [Line Items]    
Balance $ 13,055,797  
Liabilities acquired 2,979,645  
Liabilities incurred 175,173  
Liabilities settled (107,770)  
Accretion expense 215,945 $ 161,120
Balance $ 16,318,790