Apparatus with retractable cleaning members

Details Apparatus with retractable cleaning members Apparatus with retractable cleaning members

1999-08-19

2000-11-28

Bagnell, David

Wells

Brushing, scraping, cutting or punching-type cleaners

Retractable on support while lowering

1510416, E21B 3702, B08B 900

Patent

active

06152221&

ABSTRACT:
Apparatus for cleaning the inside walls of a pipeline, well casing or other tubing, comprises a supporting structure upon which are supported one or more cleaning members, and retraction means for controllably retracting the cleaning members so as to avoid their contact with the aforesaid tubing when desired. The apparatus is also provided with a sleeve to effect contact between the retractable cleaning members and the pipeline, well casing or other tubing. Typically, the apparatus is provided in the form of a well cleanup tool.

REFERENCES:
patent: 2203966 (1940-06-01), Otis
patent: 2216674 (1940-10-01), Miller et al.
patent: 5351758 (1994-10-01), Henderson et al.
patent: 5947203 (1999-11-01), Brown

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