December 31,

2020

Adjustments

Impairments

March 31,

2021

Proved developed producing oil and gas properties

United States cost center

$

81,352,074

$

409,105

$

-

$

81,761,179

Accumulated depreciation, depletion and amortization

(16,648,321

)

(1,494,678

)

-

(18,142,999

)

Proved developed producing oil and gas properties, net

$

64,703,753

$

(1,085,573

)

$

-

$

63,618,180

Undeveloped and non-producing oil and gas properties

United States cost center

$

47,209,269

$

266,455

$

-

$

47,475,724

Accumulated depreciation, depletion and amortization

(9,756,586

)

(843,059

)

-

(10,599,645

)

Undeveloped and non-producing oil and gas properties, net

$

37,452,683

$

(576,604

)

$

-

$

36,876,079