NO156588C - Apparat for lokalisering og vurdering av defekter i ferromagnetiske foringsroer. - Google Patents

Apparat for lokalisering og vurdering av defekter i ferromagnetiske foringsroer.

Info

Publication number
NO156588C
NO156588C NO801037A NO801037A NO156588C NO 156588 C NO156588 C NO 156588C NO 801037 A NO801037 A NO 801037A NO 801037 A NO801037 A NO 801037A NO 156588 C NO156588 C NO 156588C
Authority
NO
Norway
Prior art keywords
casing
coils
anomalies
magnetic field
inspection apparatus
Prior art date
Application number
NO801037A
Other languages
English (en)
Norwegian (no)
Other versions
NO801037L (no
NO156588B (no
Inventor
Stephen Drew Bonner
Original Assignee
Schlumberger Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21894251&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO156588(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Schlumberger Ltd filed Critical Schlumberger Ltd
Publication of NO801037L publication Critical patent/NO801037L/no
Publication of NO156588B publication Critical patent/NO156588B/no
Publication of NO156588C publication Critical patent/NO156588C/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9013—Arrangements for scanning
    • G01N27/902—Arrangements for scanning by moving the sensors
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/006—Detection of corrosion or deposition of substances
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/08—Measuring diameters or related dimensions at the borehole
    • E21B47/085—Measuring diameters or related dimensions at the borehole using radiant means, e.g. acoustic, radioactive or electromagnetic
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/09—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
    • E21B47/092—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes by detecting magnetic anomalies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/904—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents with two or more sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9046—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents by analysing electrical signals

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Electrochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Geophysics (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Liquid Crystal (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Paints Or Removers (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
NO801037A 1979-05-09 1980-04-10 Apparat for lokalisering og vurdering av defekter i ferromagnetiske foringsroer. NO156588C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/037,423 US4292589A (en) 1979-05-09 1979-05-09 Eddy current method and apparatus for inspecting ferromagnetic tubular members

Publications (3)

Publication Number Publication Date
NO801037L NO801037L (no) 1980-11-10
NO156588B NO156588B (no) 1987-07-06
NO156588C true NO156588C (no) 1987-10-14

Family

ID=21894251

Family Applications (1)

Application Number Title Priority Date Filing Date
NO801037A NO156588C (no) 1979-05-09 1980-04-10 Apparat for lokalisering og vurdering av defekter i ferromagnetiske foringsroer.

Country Status (14)

Country Link
US (1) US4292589A (pt)
EP (1) EP0019091B1 (pt)
AT (1) ATE9739T1 (pt)
AU (1) AU538285B2 (pt)
BR (1) BR8002804A (pt)
CA (1) CA1151731A (pt)
DE (1) DE3069336D1 (pt)
EG (1) EG14451A (pt)
ES (1) ES491275A0 (pt)
IE (1) IE49789B1 (pt)
MX (1) MX4995E (pt)
NO (1) NO156588C (pt)
PH (1) PH18984A (pt)
SU (1) SU1376950A3 (pt)

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US3543144A (en) * 1968-09-23 1970-11-24 American Mach & Foundry Magnetic inspection apparatus for well pipe utilizing detector shoes with outriggers and magnetic latching means for said shoes
US3940689A (en) * 1974-05-14 1976-02-24 Schlumberger Technology Corporation Combined eddy current and leakage field detector for well bore piping using a unique magnetizer core structure
CA1014226A (en) * 1975-06-12 1977-07-19 Valentino S. Cecco Circumferentially differentiating multiple coil eddy current probe
FR2324003A1 (fr) * 1975-09-09 1977-04-08 Commissariat Energie Atomique Procede de controle non destructif par courants de foucault et dispositif correspondant, utilisant une excitation multifrequence et permettant l'elimination de certains parametres
US4016519A (en) * 1976-05-14 1977-04-05 Blaupunkt-Werke Gmbh Printed circuit coils

Also Published As

Publication number Publication date
MX4995E (es) 1983-01-31
DE3069336D1 (en) 1984-11-08
IE49789B1 (en) 1985-12-11
NO801037L (no) 1980-11-10
ES8104488A1 (es) 1981-04-16
CA1151731A (en) 1983-08-09
EP0019091A1 (en) 1980-11-26
US4292589A (en) 1981-09-29
ES491275A0 (es) 1981-04-16
IE800953L (en) 1980-11-09
NO156588B (no) 1987-07-06
EP0019091B1 (en) 1984-10-03
PH18984A (en) 1985-11-29
BR8002804A (pt) 1980-12-16
EG14451A (en) 1985-03-31
AU538285B2 (en) 1984-08-09
ATE9739T1 (de) 1984-10-15
AU5823280A (en) 1980-11-13
SU1376950A3 (ru) 1988-02-23

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