Process for welding a follower pipe to a buried pipe string

Details Process for welding a follower pipe to a buried pipe string Process for welding a follower pipe to a buried pipe string

1989-11-16

1991-05-07

Shaw, Clifford C.

Electric heating

Metal heating

Of cylinders

219137R, 228 48, B23K 900

Patent

active

050138804

ABSTRACT:
In a process for welding a pipe string driven horizontally into the ground to a follower pipe, the pipe string buried in the ground and the follower pipe are rotated. A welder then does not need to make vertical welds but can form the weld seams in a position that is most comfortable for him.

REFERENCES:
patent: 3461540 (1969-08-01), Rieppel et al.
patent: 4081651 (1978-03-01), Randolph et al.

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