NAC534.160. “Nominal size” defined.  


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  • “Nominal size” means the manufactured commercial designation of the diameter of a casing. An example would be casing with an outside diameter of 12 3/4 inches which may be nominally 12-inch casing by manufactured commercial designation.

     [St. Engineer, Drilling Wells Reg. § 1.15, eff. 5-19-81]