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Asset Retirement Obligations
6 Months Ended
Jun. 30, 2021
Asset Retirement Obligations  
Asset Retirement Obligations

13. Asset Retirement Obligations

Asset retirement obligations were estimated by management based on Epsilon’s net ownership interest in all wells and the gathering system, estimated costs to reclaim and abandon such assets and the estimated timing of the costs to be incurred in future periods.

The following tables summarize the changes in asset retirement obligations for the periods indicated:

Six Months Ended

Year ended

June 30, 

December 31, 

2021

    

2020

Balance beginning of period

$

3,150,243

$

2,909,855

Liabilities from drilling of new wells

6,907

5,826

Wells plugged and abandoned

(31,945)

(850)

Change in estimates

(8,299)

32,668

Accretion

52,547

202,744

Balance end of period

$

3,169,453

$

3,150,243