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CATHODIC PROTECTION [1 record]

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Alphabetical list of terms

Record 1 2017-06-29

English

Subject field(s)
  • Electrometallurgy
  • Deterioration of Metals
  • Oil Drilling
DEF

A technique employed to minimize the rate of electrochemical corrosion of large structures, such as floating vessels or oil drilling and production platforms, storage tanks, and pipelines.

CONT

Cathodic protection involves the use of a galvanic or impressed direct electric current to render the pipeline cathodic, thus causing it to be a negative element in the circuit.

OBS

There are two methods of applying cathodic protection, active and passive. In either case the structure is regarded as the cathode in an electrolytic cell, the anode being an attached metal bar, bracelet or plate, and the electrolyte the separating medium.

OBS

cathodic protection: term officially approved by the Lexicon Project Committee (New Brunswick).

French

Domaine(s)
  • Électrométallurgie
  • Altération des métaux
  • Forage des puits de pétrole
DEF

Système électrique permettant d'éviter la corrosion des surfaces métalliques en contact avec l'eau.

CONT

Les plates-formes fixes de forage qui supportent les puits d'exploitation des gisements offshore sont toujours soumises à un système de protection cathodique, comme l'ensemble des ouvrages métalliques à la mer. Les puits sont en contact électrique avec la masse de la plate-forme, ce qui conduit à ce qu'ils soient eux aussi soumis à la protection cathodique.

OBS

protection cathodique : terme uniformisé par le Comité du projet de lexiques (Nouveau-Brunswick).

Spanish

Campo(s) temático(s)
  • Electrometalurgia
  • Deterioro de los metales
  • Perforación de pozos petrolíferos
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