Quarterly report pursuant to Section 13 or 15(d)

Asset Retirement Obligatiion - Schedule of Asset Retirement Obligation (Details)

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Asset Retirement Obligatiion - Schedule of Asset Retirement Obligation (Details) - USD ($)
6 Months Ended 12 Months Ended
Oct. 31, 2018
Oct. 31, 2017
Apr. 30, 2018
Asset Retirement Obligation Disclosure [Abstract]      
Balance, beginning of period
Addition and changes in estimates 81,884  
Accretion expense 2,721
Balance, end of period $ 84,605