IP Library › Patent Application 13914209
Patent Application
App. No. 13/914,209

Method of Manufacturing Coil Tubing Using Friction Stir Welding

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Quick Facts
Patent No.
US None
App. No.
13/914,209
Abstract

A method of manufacturing coiled tubing comprises joining two portions of parent stock metal by friction stir welding. The adjoining portions of said two portions of parent stock metal are first reduced to a deformable plastic state, and then allowed to cool in such a manner that there is no re-crystallization of parent stock metal in a resulting weld.

Claims (2)

1 . A method of manufacturing coiled tubing, said method comprising:

joining two portions of parent stock metal by friction stir welding so that adjoining portions of said two portions of parent stock metal are first reduced to a deformable plastic state, and then allowed to cool in such a manner that there is no recrystalization of parent stock metal in a resulting weld.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 10, 2013
From: DUBOIS, JON D.
To: GLOBAL TUBING LLC
Reel/Frame 030580/0874 →