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Note 6 - Exploratory/Extension Well Costs (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Oil and Gas, Capitalized Exploratory Well Cost, Roll Forward [Table Text Block]
   

Six Months

Ended

June 30,

2025

 

Beginning capitalized exploratory/extension well costs

  $ 33,619  

Additions to exploratory/extension well costs

    72,340  

Reclassification to proved properties

    (42,890

)

Exploratory/extension well costs charged to exploration and abandonment expense

     

Ending capitalized exploratory/extension well costs

  $ 63,069