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. 05, 2019
Filed:
Feb. 09, 2018
Halliburton Energy Services, Inc., Houston, TX (US);
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
An antenna assembly for wellbore logging tools is provided. The antenna assembly includes a coil wrapped about an outer surface of a bobbin positioned within a saddle of a tool mandrel. The antenna assembly also includes an inner sleeve positioned on an outer surface of the tool mandrel within the saddle, the inner sleeve being interposed between the coil and the tool mandrel. The antenna assembly also includes a plurality of ferrite channels formed within a groove defined in an inner surface of the inner sleeve, in which the plurality of ferrite channels being laterally separated by a plurality of dividers formed in the groove. The antenna assembly also includes a plurality of ferrites disposed within respective ones of the plurality of ferrite channels.