Tubing collar

Details Tubing collar Tubing collar

1988-05-06

1989-08-29

Arola, Dave W.

Pipe joints or couplings

With casing, lining or protector

Insulated

285294, 285351, 166 60, F16L 1112

Patent

active

048610747

ABSTRACT:
A collar for electrically insulating between upper and lower tubing sections in which load bearing insulating materials in the collar are isolated from fluids both interior and exterior the collar.

REFERENCES:
patent: 1231202 (1917-06-01), Saylor
patent: 3944262 (1976-03-01), Stiner et al.
patent: 4011652 (1977-03-01), Black
patent: 4496174 (1985-01-01), McDonald

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