- -65%
 
        
          
        
          
          AS ISO 13503.1:2024 Petroleum and natural gas industries - Completion fluids and materials, Part 1: Measurement of viscous properties of completion fluids
standard by Standards Australia , 09/20/2024
AS ISO 13503.1:2024 identically adopts ISO 13503-1:2011, which provides consistent methodology for determining the viscosity of completion fluids used in the petroleum and natural gas industries.