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1. (WO2018009181) ANTENNA DESIGNS FOR WELLBORE LOGGING TOOLS

Pub. No.:    WO/2018/009181    International Application No.:    PCT/US2016/041094
Publication Date: Fri Jan 12 00:59:59 CET 2018 International Filing Date: Thu Jul 07 01:59:59 CEST 2016
IPC: E21B 47/00
G01V 3/18
G01V 3/26
Applicants: HALLIBURTON ENERGY SERVICES, INC.
Inventors: PRAKASH, Anand
KOROVIN, Alexei
LEVCHAK, Michael J.
Title: ANTENNA DESIGNS FOR WELLBORE LOGGING TOOLS
Abstract:
An antenna assembly that includes a bobbin including arcuate first and second bobbin portions positioned about a tool mandrel. A protective layer is formed about the first and second bobbin portions, and a cover occludes a portion of an axially extending gap defined between the first and second bobbin portions to prevent the protective layer from extruding into the gap.