FR2354563A1 - Procede et appareil de mesure du courant de corrosion d'une structure immergee munie d'un dispositif de protection cathodique - Google Patents

Procede et appareil de mesure du courant de corrosion d'une structure immergee munie d'un dispositif de protection cathodique

Info

Publication number
FR2354563A1
FR2354563A1 FR7617601A FR7617601A FR2354563A1 FR 2354563 A1 FR2354563 A1 FR 2354563A1 FR 7617601 A FR7617601 A FR 7617601A FR 7617601 A FR7617601 A FR 7617601A FR 2354563 A1 FR2354563 A1 FR 2354563A1
Authority
FR
France
Prior art keywords
measuring
protection device
cathodic protection
magnetic circuit
corrosion current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7617601A
Other languages
English (en)
Other versions
FR2354563B1 (fr
Inventor
Alain Stankoff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
INTERSUB DEV SA
Original Assignee
INTERSUB DEV SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by INTERSUB DEV SA filed Critical INTERSUB DEV SA
Priority to FR7617601A priority Critical patent/FR2354563A1/fr
Priority to US05/804,315 priority patent/US4134059A/en
Priority to GB23985/77A priority patent/GB1584593A/en
Priority to NO772004A priority patent/NO144942C/no
Priority to NL7706329A priority patent/NL7706329A/xx
Publication of FR2354563A1 publication Critical patent/FR2354563A1/fr
Application granted granted Critical
Publication of FR2354563B1 publication Critical patent/FR2354563B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
    • G01N17/02—Electrochemical measuring systems for weathering, corrosion or corrosion-protection measurement
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
    • C23F13/04—Controlling or regulating desired parameters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/08—Measuring current density

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Ecology (AREA)
  • Health & Medical Sciences (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Environmental Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
  • Prevention Of Electric Corrosion (AREA)

Abstract

Procédé et appareil de mesure du courant de corrosion d'une structure de forme allongée immergée dans un fluide et munie d'un dispositif de protection cathodique. L'appareil comprend au moins un circuit magnétique fermé 3 immergé dans le fluide et orienté de manière à pouvoir être traversé par une certaine quantité de courant électrique 6, un enroulement 4 sur ce circuit magnétique, des moyens de mesure 8 branchés aux bornes de cet enroulement et des moyens de modulation (disque tournant percé 5) pour faire varier périodiquement dans le temps la quantité du courant électrique circulant à travers le circuit magnétique 3. L'invention s'applique notamment à la surveillance de pipelines sous-marins.
FR7617601A 1976-06-10 1976-06-10 Procede et appareil de mesure du courant de corrosion d'une structure immergee munie d'un dispositif de protection cathodique Granted FR2354563A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7617601A FR2354563A1 (fr) 1976-06-10 1976-06-10 Procede et appareil de mesure du courant de corrosion d'une structure immergee munie d'un dispositif de protection cathodique
US05/804,315 US4134059A (en) 1976-06-10 1977-06-07 Method and apparatus for measuring the corrosion current of an immersed structure provided with a cathodic protection device
GB23985/77A GB1584593A (en) 1976-06-10 1977-06-08 Method and apparatus for measuring the corrosion current of an immersed structure provided with a cathodic protection device
NO772004A NO144942C (no) 1976-06-10 1977-06-08 Em fremgangsmaate og apparat for maaling av en korrosjons-stro
NL7706329A NL7706329A (nl) 1976-06-10 1977-06-09 Werkwijze voor het meten van de corrosiestroom en daartoe geschikte inrichting.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7617601A FR2354563A1 (fr) 1976-06-10 1976-06-10 Procede et appareil de mesure du courant de corrosion d'une structure immergee munie d'un dispositif de protection cathodique

Publications (2)

Publication Number Publication Date
FR2354563A1 true FR2354563A1 (fr) 1978-01-06
FR2354563B1 FR2354563B1 (fr) 1980-10-31

Family

ID=9174216

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7617601A Granted FR2354563A1 (fr) 1976-06-10 1976-06-10 Procede et appareil de mesure du courant de corrosion d'une structure immergee munie d'un dispositif de protection cathodique

Country Status (5)

Country Link
US (1) US4134059A (fr)
FR (1) FR2354563A1 (fr)
GB (1) GB1584593A (fr)
NL (1) NL7706329A (fr)
NO (1) NO144942C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0077757A1 (fr) * 1981-10-16 1983-04-27 Battelle Memorial Institute Procédé pour détecter les défauts d'un revêtement diélectrique à la surface d'un substrat électriquement conducteur

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4280124A (en) * 1978-10-12 1981-07-21 Wuertele James W Corrosion detector
US4511844A (en) * 1982-12-10 1985-04-16 Panhandle Eastern Pipe Line Company E-Log I field computer
US4536713A (en) * 1983-03-03 1985-08-20 Nl Industries, Inc. Electrical resistivity measurement of a flowing drilling fluid using eddy currents generated therein
US4644285A (en) * 1984-10-09 1987-02-17 Wayne Graham & Associates International, Inc. Method and apparatus for direct measurement of current density
US5202638A (en) * 1991-04-01 1993-04-13 The United States Of America As Represented By The Secretary Of Agriculture Power density measuring apparatus and method
US5156298A (en) * 1991-04-11 1992-10-20 Eastman Kodak Company Method and apparatus for detecting a limit of the usable portion of a batch of fluent material flowing in a conduit
WO2019156584A1 (fr) * 2018-02-07 2019-08-15 Baker Hughes, A Ge Company, Llc Procédé de mesure de courant de protection cathodique

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2297568A (en) * 1939-02-25 1942-09-29 Schlumberger Well Surv Corp Spontaneous potential by induction
US2802182A (en) * 1954-02-01 1957-08-06 Fox Prod Co Current density responsive apparatus
US2820947A (en) * 1955-04-29 1958-01-21 Gunn Ross Electric field meter
US2839722A (en) * 1955-12-21 1958-06-17 Pure Oil Co Method and apparatus for detecting stray current corrosion

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0077757A1 (fr) * 1981-10-16 1983-04-27 Battelle Memorial Institute Procédé pour détecter les défauts d'un revêtement diélectrique à la surface d'un substrat électriquement conducteur
WO1983001514A1 (fr) * 1981-10-16 1983-04-28 Vermot-Gaud, Jacques Procede pour detecter les defauts d'un revetement dielectrique a la surface d'un substrat electriquement conducteur
US4584521A (en) * 1981-10-16 1986-04-22 Battelle Memorial Institute Method of detecting the defects in a dielectric coating at the surface of an electrically conductive underlayer

Also Published As

Publication number Publication date
GB1584593A (en) 1981-02-11
NL7706329A (nl) 1977-12-13
NO144942C (no) 1981-12-09
US4134059A (en) 1979-01-09
NO144942B (no) 1981-08-31
FR2354563B1 (fr) 1980-10-31
NO772004L (no) 1977-12-13

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property
ST Notification of lapse