Cleaning device for downhole tools

Details Cleaning device for downhole tools Cleaning device for downhole tools

2007-06-19

2010-11-23

Gay, Jennifer H (Department: 3676)

Wells

Brushing, scraping, cutting or punching-type cleaners

Reciprocable relative to central member extending from well top

C166S170000, C166S173000, C166S311000

Reexamination Certificate

active

07836947

ABSTRACT:
A cleaning device connectable to a downhole tool for use within a well bore, the cleaning device comprising: a base member non-rotatably mountable to the downhole tool; and at least one sleeve member rotatably mountable to and around the base member, the sleeve member having a support member and at least one protruding member which protrudes from the support member and which, in use, contacts an inner surface of the well bore, wherein the support member comprises a bearing material.

REFERENCES:
patent: 3721307 (1973-03-01), Mayo
patent: 4190300 (1980-02-01), Scalzi
patent: 6371224 (2002-04-01), Freeman et al.
patent: 6464003 (2002-10-01), Bloom et al.
patent: 2001/0022223 (2001-09-01), Howlett
patent: 2004/0094302 (2004-05-01), Booth
patent: 2005/0205252 (2005-09-01), Tulloch et al.
patent: 2 054 064 (1981-02-01), None
patent: 2216 961 (1989-10-01), None
patent: 2398 587 (2004-08-01), None
patent: WO 02/035055 (2002-05-01), None
patent: WO 03/006787 (2002-06-01), None

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