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Other Long-Term Obligations and Commitments (Tables)
6 Months Ended
Jun. 30, 2022
Debt Disclosure [Abstract]  
Summary of Operating and Financing Lease Obligation
The payment schedule for the Company’s operating lease obligations as of June 30, 2022 is as follows:
 
(Thousands of dollars)
  
Operating

Leases
 
2022
   $ 349  
2023
   $ 251  
2024
   $ 106  
2025
     27  
    
 
 
 
Total undiscounted lease payments
   $ 733  
Less: Amount associated with discounting
     (66
    
 
 
 
Net operating lease liabilities
   $ 667  
    
 
 
 
Reconciliation of Liability for Plugging and Abandonment Costs
A reconciliation of the liability for plugging and abandonment costs for the
six
months ended June 30, 2022 is as follows:
 
(Thousands of dollars)
  
June 30,

2022
 
Asset retirement obligation at December 31, 2021
   $ 14,295  
Liabilities settled
     (835
Accretion expense
     339  
    
 
 
 
Asset retirement obligation at June 30, 2022
   $ 13,799