Annular Capacity Calculation  
  Select Units:  
 
         
Input Values        
Drill Hole Size, Dh    
Casing / Drill Pipe OD, Dpod    
Significant Figures      
         
Calculated Values        
Annular Capacity (bbl / ft), AC    
Annular Capacity (gal / ft), AC    
Annular Capacity (m³ / m), AC    
Annular Capacity (l / m), AC