NO790645L - Fremgangsmaate og innretning for elektrisk inspeksjon av offshore-konstruksjoner - Google Patents

Fremgangsmaate og innretning for elektrisk inspeksjon av offshore-konstruksjoner

Info

Publication number
NO790645L
NO790645L NO790645A NO790645A NO790645L NO 790645 L NO790645 L NO 790645L NO 790645 A NO790645 A NO 790645A NO 790645 A NO790645 A NO 790645A NO 790645 L NO790645 L NO 790645L
Authority
NO
Norway
Prior art keywords
procedure
electrical inspection
offshore constructions
offshore
constructions
Prior art date
Application number
NO790645A
Other languages
English (en)
Other versions
NO145034B (no
NO145034C (no
Inventor
Frank E Rizzo
Marvin L Miller
Clark Weldon
Original Assignee
Harco Corp
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 Harco Corp filed Critical Harco Corp
Publication of NO790645L publication Critical patent/NO790645L/no
Publication of NO145034B publication Critical patent/NO145034B/no
Publication of NO145034C publication Critical patent/NO145034C/no

Links

Classifications

    • 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
    • G01R19/10—Measuring sum, difference or ratio
    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/14—Measuring resistance by measuring current or voltage obtained from a reference source
    • 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
    • C23F2213/00—Aspects of inhibiting corrosion of metals by anodic or cathodic protection
    • C23F2213/20—Constructional parts or assemblies of the anodic or cathodic protection apparatus
    • C23F2213/21—Constructional parts or assemblies of the anodic or cathodic protection apparatus combining at least two types of anodic or cathodic protection

Landscapes

  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ecology (AREA)
  • Health & Medical Sciences (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Environmental Sciences (AREA)
  • Mechanical Engineering (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)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Emergency Protection Circuit Devices (AREA)
NO790645A 1978-02-27 1979-02-26 Fremgangsmaate og innretning for utfoerelse av elektriske inspeksjoner av offshore-konstruksjoner NO145034C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/881,737 US4228399A (en) 1978-02-27 1978-02-27 Offshore pipeline electrical survey method and apparatus

Publications (3)

Publication Number Publication Date
NO790645L true NO790645L (no) 1979-08-28
NO145034B NO145034B (no) 1981-09-14
NO145034C NO145034C (no) 1981-12-28

Family

ID=25379100

Family Applications (1)

Application Number Title Priority Date Filing Date
NO790645A NO145034C (no) 1978-02-27 1979-02-26 Fremgangsmaate og innretning for utfoerelse av elektriske inspeksjoner av offshore-konstruksjoner

Country Status (3)

Country Link
US (1) US4228399A (no)
GB (1) GB2017306A (no)
NO (1) NO145034C (no)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2448148A1 (fr) * 1979-02-01 1980-08-29 Contre Corrosion Et Procede et dispositif de reperage et de surveillance des conduites metalliques immergees
US4365191A (en) * 1980-02-29 1982-12-21 Harco Corporation Method and apparatus for electrical surveys of offshore metal structures with correction for distance
US4356444A (en) * 1980-12-15 1982-10-26 Saenz Jr Alfredo Test system for cathodic protection circuit of an underground pipeline
CA1191899A (en) * 1983-02-28 1985-08-13 John P. Nicholson Electrolyte potential measuring apparatus
FI863487A (fi) * 1986-08-27 1988-02-28 Matti Viikari Pao elektromagnetisk induktion baserande foerfarande och anordning foer kontroll av skicktet av elektrisk isolering hos ledningar i ett ledande medium.
US5686828A (en) * 1995-12-19 1997-11-11 New York State Electric & Gas Corporation Method for locating the joints and fracture points of underground jointed metallic pipes and cast-iron-gas-main-pipeline joint locator system
US6049657A (en) * 1996-03-25 2000-04-11 Sumner; Glen R. Marine pipeline heated with alternating current
DE19633008A1 (de) * 1996-08-16 1998-02-19 Diehl Gmbh & Co Schiffgestütztes Verfahren zur Detektion von Treibminen
DE19860211C1 (de) * 1998-12-24 2000-11-23 Aerodyn Energiesysteme Gmbh Verfahren zum Verlegen von elektrischen Kabeln von einer ersten Offshore-Windenergieanlage zu einer zweiten Offshore-Windenergieanlage
US6809506B2 (en) * 2001-03-26 2004-10-26 The United States Of America As Represented By The Secretary Of The Navy Corrosion sensor loudspeaker for active noise control
US6870356B2 (en) * 2003-04-11 2005-03-22 S-T-N Holdings, Inc. Method and apparatus for vertical voltage potential mapping
CA2574674A1 (en) * 2004-07-19 2006-02-09 University Of Virginia Patent Foundation Inspection system of structures and equipment and related method thereof
US7190154B2 (en) * 2005-05-31 2007-03-13 General Electric Company Method and system for measuring a condition of a structure
US8461473B2 (en) * 2008-10-27 2013-06-11 Wpw, Llc External corrosion protection for underground pipes
GB2475731B (en) * 2009-11-30 2014-01-22 Vetco Gray Controls Ltd Cathodic protection monitoring
GB2542857B (en) * 2015-10-02 2018-08-01 Subsea 7 Ltd Repairing or coating subsea pipelines
MX2019007941A (es) 2016-12-30 2019-11-18 Metrol Tech Ltd Recoleccion de energia en el fondo del pozo.
CA3047619C (en) 2016-12-30 2023-12-05 Metrol Technology Ltd Downhole energy harvesting
WO2018122544A1 (en) 2016-12-30 2018-07-05 Metrol Technology Ltd Downhole energy harvesting
EP3563032B1 (en) 2016-12-30 2021-11-10 Metrol Technology Ltd Downhole energy harvesting
US11231303B2 (en) * 2020-02-25 2022-01-25 Accurate Corrosion Control, Inc. Test lead attachment assembly for metal pipes
CN114855175A (zh) * 2022-04-27 2022-08-05 北京科技大学 定向钻穿越横向拖拽式参比电极系统

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB188676A (en) * 1918-09-20 1922-12-14 Alexander George Ionides Improvements relating to the detection of the presence of submarine vessels and other conducting bodies
US2105247A (en) * 1936-11-25 1938-01-11 Jakosky John Jay Method and apparatus for electrical exploration of the subsurface
US2378440A (en) * 1941-01-27 1945-06-19 Gordon N Scott Process and means for measuring soil resistivity and certain electrical characteristics associated with a buried pipe line
US2531088A (en) * 1947-10-16 1950-11-21 Standard Oil Dev Co Electrical prospecting method
US2872638A (en) * 1955-03-31 1959-02-03 California Research Corp Ocean bottom stratigraphy surveying
US2988691A (en) * 1957-02-20 1961-06-13 Anaconda Co Geophysical exploration
US2974276A (en) * 1957-08-16 1961-03-07 Superior Oil Co Method of and apparatus for use in measuring earth potentials
GB934098A (en) * 1959-04-28 1963-08-14 British Insulated Callenders Improved method and apparatus for locating imperfections in the protective covering of an underground metal pipe line
US3361957A (en) * 1962-01-23 1968-01-02 Donald L. Hings Telluric current responsive device having spaced conductors for positioning adjacentthe earth's surface
US3526831A (en) * 1968-11-21 1970-09-01 North American Rockwell Method for tracking underwater pipelines and detecting flaws in the coating thereof
US3735249A (en) * 1971-07-01 1973-05-22 El Paso Natural Gas Comp Spoked electrode for monitoring earth currents
GB1512161A (en) * 1976-01-12 1978-05-24 Morgan Berkeley & Co Ltd Cathodic protection of structures
US4151458A (en) * 1977-07-29 1979-04-24 Harco Corporation Closely spaced pipe-to-soil electrical survey method and apparatus

Also Published As

Publication number Publication date
US4228399A (en) 1980-10-14
NO145034B (no) 1981-09-14
GB2017306A (en) 1979-10-03
NO145034C (no) 1981-12-28

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