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Other Long-Term Obligations and Commitments (Tables)
 12 Months Ended
Dec. 31, 2022
Debt Disclosure [Abstract]  
Summary of Operating and Financing Lease Obligation
The payment schedule for the Company’s operating lease obligations as of December 31, 2022 is as follows:
 
(Thousands of dollars)
   
Operating

Leases
  
2023
    $ 684  
2024
      202  
2025
      27  
    
 
 
  
Total undiscounted lease payments
    $ 913  
Less: Amount associated with discounting
      (61 ) 
    
 
 
  
Total net operating lease liabilities
    $ 852  
Less: Current portion included in Other current liabilities
      647  
    
 
 
  
Non-current
portion included in Other liabilities
    $ 205  
    
 
 
  
Reconciliation of Liability for Plugging and Abandonment Costs
A reconciliation of the liability for plugging and abandonment costs for the years ended December 31, 2022 and 2021 is as follows:
 
 
  
Years Ended
December 31,
 
(Thousands of dollars)
  
2022
 
  
2021
 
Asset retirement obligation at beginning of period
    $ 14,295      $ 13,660  
Net wells placed on production
      11        724  
Liabilities settled
      (1,407 )       (1,047 ) 
Dispositions
      (344 )       (52 ) 
Accretion expense
      666        642  
Revisions in estimated liabilities
      2,222        368  
    
 
 
     
 
 
  
Asset retirement obligation at end of period
    $ 15,443      $ 14,295  
Less: Current portion included in Current portion of asset retirement and other long-term obligations
      1,918        1,073  
    
 
 
     
 
 
  
Long-term Asset Retirement Obligations included in Asset Retirement Obligations
    $ 13,525      $ 13,222