Invention Grant
- Patent Title: Composite bow centralizer
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Application No.: US15292891Application Date: 2016-10-13
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Publication No.: US10087689B2Publication Date: 2018-10-02
- Inventor: Glenn Lively , David Levie , Dietmar Mueller , Thorsten Weber
- Applicant: Halliburton Energy Services, Inc.
- Applicant Address: US TX Houston
- Assignee: Halliburton Energy Services, Inc.
- Current Assignee: Halliburton Energy Services, Inc.
- Current Assignee Address: US TX Houston
- Agency: Baker Botts L.L.P.
- Agent John Wustenberg
- Main IPC: E21B17/10
- IPC: E21B17/10 ; B29C53/56 ; B29C70/88 ; B29C35/02 ; B29C71/00 ; B29K101/00 ; B29L23/00 ; B29K105/24 ; B29L31/00

Abstract:
A centralizer comprises a first collar, a second collar, a plurality of bow springs coupling the first collar to the second collar, and a plurality of particulates disposed on an outer surface of at least one bow spring. One or more of the first collar, the second collar, and the bow springs comprises a composite material. In some embodiments, the centralizer comprises a third collar, wherein the plurality of bow springs comprise a first portion of bow springs and a second portion of bow springs, and wherein the first portion of the bow springs couple the first collar to the third collar and the second portion of the bow springs couple the second collar to the third collar.
Public/Granted literature
- US20170030150A1 COMPOSITE BOW CENTRALIZER Public/Granted day:2017-02-02
Information query