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METHODS AND APPARATUS FOR INVESTIGATING EARTH FORMATIONS INCLUDING MEASURING THE RESISTIVITY OF RADIALLY DIFFERENT FORMATION ZONES
US 3,453,530 A
Filed
: 03/01/1968
Issued
: 07/01/1969
Est. Priority Date
: 03/01/1968
Status: Expired due to Term
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Current Assignee
Attali Georges
Original Assignee
Attali Georges
Inventors
ATTALI GEORGES
Application Number
US04/709,838
Time in Patent Office
487 Days
Field of Search
US Class Current
324/373
CPC Class Codes
G01V 3/18
specially adapted for well-...
G01V 3/34
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