FR710760A - Method and apparatus for searching for magnetic deposits or rocks - Google Patents

Method and apparatus for searching for magnetic deposits or rocks

Info

Publication number
FR710760A
FR710760A FR710760DA FR710760A FR 710760 A FR710760 A FR 710760A FR 710760D A FR710760D A FR 710760DA FR 710760 A FR710760 A FR 710760A
Authority
FR
France
Prior art keywords
rocks
searching
magnetic deposits
deposits
magnetic
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.)
Expired
Application number
Other languages
French (fr)
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.)
Services Petroliers Schlumberger SA
Original Assignee
Societe de Prospection Electrique Schlumberger 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 Societe de Prospection Electrique Schlumberger SA filed Critical Societe de Prospection Electrique Schlumberger SA
Application granted granted Critical
Publication of FR710760A publication Critical patent/FR710760A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/02Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/022Measuring gradient
FR710760D 1930-05-08 1930-05-08 Method and apparatus for searching for magnetic deposits or rocks Expired FR710760A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR710760T 1930-05-08

Publications (1)

Publication Number Publication Date
FR710760A true FR710760A (en) 1931-08-28

Family

ID=9072964

Family Applications (1)

Application Number Title Priority Date Filing Date
FR710760D Expired FR710760A (en) 1930-05-08 1930-05-08 Method and apparatus for searching for magnetic deposits or rocks

Country Status (1)

Country Link
FR (1) FR710760A (en)

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