The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 24, 1998
Filed:
Nov. 28, 1995
Applicant:
Inventor:
Richard G Saenger, Chatillon sous Bagneux, FR;
Assignee:
Schlumberger Technology Corporation, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V / ;
U.S. Cl.
CPC ...
324347 ; 324366 ; 324373 ;
Abstract
A sensor element especially adapted for use in borehole resistivity logging, having an outside surface comprising conductive portions and insulating portions distributed in a determined pattern, said conductive and insulating portions being made respectively of a material that is hard and electrically conductive and of a material that is hard and electrically insulating, each of said materials being deposited in the form of a layer.