Pipeline cathodic protection connection

Details Pipeline cathodic protection connection Pipeline cathodic protection connection

C - Chemistry, Metallurgy

23

F

C23F 13/06 (2006.01) C23F 13/02 (2006.01)

Patent

CA 2522559

A pipeline cathodic protection connection is provided to create a mechanical electrical connection on an operating pipe in conjunction with an external pipe reinforcing sleeve arrangement. The outer surface of the pipe and the inner surface of the pipe reinforcing sleeve are cleaned, and an epoxy filler material is applied to the pipe over the area to be covered by the external pipe reinforcing sleeve. A mechanical connecting apparatus is provided on the external surface of the pipe reinforcing sleeve to connect the sleeve to cathodic protection equipment. The sleeve is then installed around the pipe to mechanically electrically connect the sleeve to the pipe. The epoxy acts both as a filler agent and sealant, preventing the external environment from interfering with the mechanical electrical connection. The pipe sleeve therefore acts as one unit, expanding and contracting with fluctuations in the pipe's pressure and temperature while maintaining the mechanical electrical connection to the pipe.

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