Installation > Comparison Demonstration   24" Permalok Pipe vs. 24" Field Welded Pipe   A 24" Permalok connection is made in 6 minutes or less, allowing a crew to install up to 10 pieces of casing 20 feet long in one 8 hour shift.   The best field welders take 90 minutes to fit and butt weld one joint of 24" x .500" inch casing. At that rate the same crew can install only 3-4 pieces of casing 20 feet long in an 8 hour shift.   200 linear feet per day   60 to 80 linear feet per day       60" Permalok Pipe vs. 60" Field Welded Pipe   A 60" Permalok connection is made in 6 minutes or less, allowing a crew to install up to 10 pieces of casing 20 feet long in one 8 hour shift.   The best field welders take 180 minutes to fit and butt weld one joint of 60" x .750" inch casing. At that rate the same crew can install only 2-3 pieces of casing 20 feet long in an 8 hour shift.   200 linear feet per day   40 to 60 linear feet per day