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Other Long-Term Obligations and Commitments (Tables)
9 Months Ended
Sep. 30, 2022
Debt Disclosure [Abstract]  
Summary of Operating and Financing Lease Obligation
The payment schedule for the Company’s operating lease obligations as of September 30, 2022 is as
follows:
 
(Thousands of dollars)
  
Operating Leases
 
2022
     174  
2023
     251  
2024
     107  
2025
     27  
    
 
 
 
Total undiscounted lease payments
   $ 559  
Less: Amount associated with discounting
     (54
    
 
 
 
Net operating lease liabilities
   $ 505  
    
 
 
 
Reconciliation of Liability for Plugging and Abandonment Costs
A reconciliation of the liability for plugging and abandonment costs for the nine months ended September 30, 2022 is as follows:
 
(Thousands of dollars)
  
September 30,

2022
 
Asset retirement obligation at December 31, 2021
   $ 14,295  
Liabilities incurred
     11  
Liabilities settled
     (1,276
Accretion expense
     503  
    
 
 
 
Asset retirement obligation at September 30, 2022
   $ 13,533