Prepaid expenses (Tables)

6 Months Ended

Jun. 30, 2023

Notes and other explanatory information [abstract]

Schedule of Prepaid Expenses

	June 30, 2023		December 31, 2022
Exploration and production advances	$	1,542,172	$	871,527
Prepaid expenses		62,599		83,852
Prepaid taxes		21,578		7,433
		1,626,349		962,812