CA681688A - Method and apparatus for placing magnetic marks on an elongated member - Google Patents

Method and apparatus for placing magnetic marks on an elongated member

Info

Publication number
CA681688A
CA681688A CA681688A CA681688DA CA681688A CA 681688 A CA681688 A CA 681688A CA 681688 A CA681688 A CA 681688A CA 681688D A CA681688D A CA 681688DA CA 681688 A CA681688 A CA 681688A
Authority
CA
Canada
Prior art keywords
elongated member
magnetic marks
placing magnetic
placing
marks
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
CA681688A
Inventor
E. Bowers William
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.)
Schlumberger Well Surveying Corp
Original Assignee
Schlumberger Well Surveying Corp
Publication date
Application granted granted Critical
Publication of CA681688A publication Critical patent/CA681688A/en
Expired legal-status Critical Current

Links

CA681688A Method and apparatus for placing magnetic marks on an elongated member Expired CA681688A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA681688T

Publications (1)

Publication Number Publication Date
CA681688A true CA681688A (en) 1964-03-10

Family

ID=35982771

Family Applications (1)

Application Number Title Priority Date Filing Date
CA681688A Expired CA681688A (en) Method and apparatus for placing magnetic marks on an elongated member

Country Status (1)

Country Link
CA (1) CA681688A (en)

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