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ACCRUED LIABILITIES (Tables)
12 Months Ended
Dec. 31, 2021
ACCRUED LIABILITIES.  
Accrued liabilities on the balance sheet

December 31,

    

2021

    

2020

(thousands of dollars)

Royalties payable (1)

$

1,151

$

1,151

Other Accrued Liabilities

978

1,218

Accrued Liabilities

$

2,129

$

2,369

(1)

Royalties payable were derived during prior years of production. Liabilities do not accrue interest or have a stated maturity date.