PROPERTY AND EQUIPMENT (Details) - USD ($)	Oct. 31, 2020	Apr. 30, 2020
Property and equipment, gross	$ 580,934	$ 580,934
Less accumulated depreciation and amortization	(91,328)	(73,890)
Property and equipment, net	489,606	507,044
Refinery Land [Member]
Property and equipment, gross	67,088	67,088
Office furniture and equipment [Member]
Property and equipment, gross	13,864	13,864
Computer equipment and software [Member]
Property and equipment, gross	10,962	10,962
Refinery land improvements [Member]
Property and equipment, gross	452,005	452,005
Refinery land easements [Member]
Property and equipment, gross	$ 37,015	$ 37,015

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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