FR1582712A - - Google Patents

Info

Publication number
FR1582712A
FR1582712A FR167011A FR1582712DA FR1582712A FR 1582712 A FR1582712 A FR 1582712A FR 167011 A FR167011 A FR 167011A FR 1582712D A FR1582712D A FR 1582712DA FR 1582712 A FR1582712 A FR 1582712A
Authority
FR
France
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.)
Expired
Application number
FR167011A
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1582712A publication Critical patent/FR1582712A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/12—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
    • G01B7/13—Internal diameters
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Electromagnetism (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Physics & Mathematics (AREA)
FR167011A 1968-09-20 1968-09-20 Expired FR1582712A (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR167011 1968-09-20

Publications (1)

Publication Number Publication Date
FR1582712A true FR1582712A (OSRAM) 1969-10-03

Family

ID=8654792

Family Applications (1)

Application Number Title Priority Date Filing Date
FR167011A Expired FR1582712A (OSRAM) 1968-09-20 1968-09-20

Country Status (1)

Country Link
FR (1) FR1582712A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2450441A1 (fr) * 1978-12-18 1980-09-26 Schlumberger Prospection Procede et dispositif d'inspection electromagnetique des tubages avec correction de permeabilite

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2450441A1 (fr) * 1978-12-18 1980-09-26 Schlumberger Prospection Procede et dispositif d'inspection electromagnetique des tubages avec correction de permeabilite

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Legal Events

Date Code Title Description
ST Notification of lapse