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:
Mar. 14, 1995
Filed:
Feb. 09, 1993
Applicant:
Inventor:
W David Kennedy, Carrollton, TX (US);
Assignee:
Mobil Oil Corporation, Farifax, VA (US);
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01B / ; G01D / ; G01R / ;
U.S. Cl.
CPC ...
324221 ; 324226 ; 324229 ; 346 / ; 348 32 ; 348 84 ; 348162 ;
Abstract
Apparatus for 360.degree. azimuthal imaging of steel casing employs a transducer that is rotated around the inside wall of the casing for inducing and measuring variations in induced flux density within the casing as an indication of changes in casing thickness.