Threaded joint with corrosion protection

Details Threaded joint with corrosion protection Threaded joint with corrosion protection

1992-01-10

1993-12-21

Bell, Mark L.

Metal working

Method of mechanical manufacture

Assembling or joining

295272, 106 1423, 106 1413, 106 1441, B21D 3900

Patent

active

052711412

ABSTRACT:
A corrosion inhibiting system for protection of the threads of oil country tubular goods, including a vapor phase corrosion inhibitor and a liquid phase corrosion inhibitor in water solution, and a transparent thread protector. The threads may be inspected for corrosion without removing the thread protector or the corrosion inhibitor, and the corrosion inhibitor may be left on the threads for use in combination with an anaerobic sealing compound.

REFERENCES:
patent: 2550997 (1951-05-01), Harden et al.
patent: 2643177 (1953-06-01), Wachter et al.
patent: 3779818 (1973-12-01), Shoemaker
patent: 3876553 (1975-04-01), Kader
patent: 3901836 (1975-08-01), Kader
patent: 4469469 (1984-09-01), Kennedy, Jr.
patent: 4692988 (1987-09-01), Shulver et al.
patent: 4813714 (1989-03-01), Fairey et al.

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