ATE9739T1 - Verfahren und vorrichtung zur pruefung von rohren. - Google Patents

Verfahren und vorrichtung zur pruefung von rohren.

Info

Publication number
ATE9739T1
ATE9739T1 AT80102020T AT80102020T ATE9739T1 AT E9739 T1 ATE9739 T1 AT E9739T1 AT 80102020 T AT80102020 T AT 80102020T AT 80102020 T AT80102020 T AT 80102020T AT E9739 T1 ATE9739 T1 AT E9739T1
Authority
AT
Austria
Prior art keywords
casing
coils
anomalies
magnetic field
inspection apparatus
Prior art date
Application number
AT80102020T
Other languages
English (en)
Inventor
Stephen Drew Bonner
Original Assignee
Schlumberger Limited
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=ATE9739(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Schlumberger Limited filed Critical Schlumberger Limited
Application granted granted Critical
Publication of ATE9739T1 publication Critical patent/ATE9739T1/de

Links

Classifications

    • 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
    • G01N27/9013—Arrangements for scanning
    • G01N27/902—Arrangements for scanning by moving the 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
    • G01N27/904—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)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Geophysics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Liquid Crystal (AREA)
  • Paints Or Removers (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
AT80102020T 1979-05-09 1980-04-15 Verfahren und vorrichtung zur pruefung von rohren. ATE9739T1 (de)

Applications Claiming Priority (2)

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
EP80102020A EP0019091B1 (de) 1979-05-09 1980-04-15 Verfahren und Vorrichtung zur Prüfung von Rohren

Publications (1)

Publication Number Publication Date
ATE9739T1 true ATE9739T1 (de) 1984-10-15

Family

ID=21894251

Family Applications (1)

Application Number Title Priority Date Filing Date
AT80102020T ATE9739T1 (de) 1979-05-09 1980-04-15 Verfahren und vorrichtung zur pruefung von rohren.

Country Status (14)

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

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* Cited by examiner, † Cited by third party
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Publication number Publication date
SU1376950A3 (ru) 1988-02-23
AU5823280A (en) 1980-11-13
NO156588C (no) 1987-10-14
MX4995E (es) 1983-01-31
NO156588B (no) 1987-07-06
DE3069336D1 (en) 1984-11-08
ES8104488A1 (es) 1981-04-16
CA1151731A (en) 1983-08-09
NO801037L (no) 1980-11-10
PH18984A (en) 1985-11-29
IE49789B1 (en) 1985-12-11
US4292589A (en) 1981-09-29
BR8002804A (pt) 1980-12-16
EP0019091A1 (de) 1980-11-26
IE800953L (en) 1980-11-09
EP0019091B1 (de) 1984-10-03
EG14451A (en) 1985-03-31
ES491275A0 (es) 1981-04-16
AU538285B2 (en) 1984-08-09

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