Annual report pursuant to Section 13 and 15(d)

DERIVATIVE FINANCIAL INSTRUMENTS - Current contracts (Details)

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DERIVATIVE FINANCIAL INSTRUMENTS - Current contracts (Details) - Oil - January 2022 through December 2022
Dec. 31, 2021
BarrelOfButane
$ / bbl
May 11, 2021
BarrelOfButane
Commodity Contract A    
Number Of Barrels Per Day | BarrelOfButane 500  
Swap Price | $ / bbl 44.22  
Commodity Contract B    
Number Of Barrels Per Day | BarrelOfButane 500  
Swap Price | $ / bbl 44.75  
Commodity Contract C    
Number Of Barrels Per Day | BarrelOfButane 500  
Swap Price | $ / bbl 44.97  
Commodity Contract D    
Number Of Barrels Per Day | BarrelOfButane 250  
Swap Price | $ / bbl 45.98  
Commodity Contract E    
Number Of Barrels Per Day | BarrelOfButane 250  
Swap Price | $ / bbl 47.00  
Commodity Contract F    
Number Of Barrels Per Day | BarrelOfButane 250  
Swap Price | $ / bbl 50.05  
Commodity Contract G    
Barrels per day | BarrelOfButane   879
Swap Price | $ / bbl 49.03