Tendon of TLP and electrical corrosion protecting method of the

Details Tendon of TLP and electrical corrosion protecting method of the Tendon of TLP and electrical corrosion protecting method of the

1985-09-05

1986-09-30

Taylor, Dennis L.

Hydraulic and earth engineering

Marine structure or fabrication thereof

Structure protection

204148, 204197, 405195, C23F 1300, E02B 1700, B63B 3544

Patent

active

046144617

ABSTRACT:
The tendons of a tension leg platform (TLP) used for producing petroleum offshore at a depth of 400-1000 m are protected against fatigue corrosion which mainly determines the life of the tendons.
The straight steel pipes (1) have an insulative, corrosion-protection coating (8) having good damage resistance. The screw couplings (2) have a sprayed aluminum layer (9) having the ends contiguous to the ends of the insulative, corrosion-protection, and a galvanic current anode (5) is electrically connected to the screw coupling (2).

REFERENCES:
patent: 3232857 (1966-02-01), Caldwell
patent: 3418230 (1968-12-01), Rutemiller
patent: 3887449 (1975-06-01), Baer
patent: 4284488 (1981-08-01), Brittain et al.
patent: 4285615 (1981-08-01), Radd
patent: 4415293 (1983-11-01), Engel et al.
patent: 4484840 (1984-11-01), Nandlal et al.
patent: 4506485 (1985-03-01), Apostolos
patent: 4540314 (1985-09-01), Falkner

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