Apparatus and method for debris in a well bore

Details Apparatus and method for debris in a well bore Apparatus and method for debris in a well bore

2006-05-09

2006-05-09

Bates, Zakiya W. (Department: 3676)

Wells

Brushing, scraping, cutting or punching-type cleaners

On tubing or casing

C166S169000, C166S334400

Reexamination Certificate

active

07040395

ABSTRACT:
A downhole tool is provided for use within a casing. The tool includes a collector tool that has a cylindrical body having an external diameter smaller than the casing diameter so as to form an annular gap between the body and the casing. A first downhole fluid passage is provided in the body, which has an upper inlet and a lower outlet. At least one secondary fluid passage extends between the first downhole fluid passage and the annular gap, with a filter arranged between the at least one secondary fluid passage and outlet. A first sleeve member is provided on the body and adapted to move between a first position in which the at least one secondary fluid passage is closed, and a second position in which the at least one secondary fluid passage is open.

REFERENCES:
patent: 3123157 (1964-03-01), Graham
patent: 5330003 (1994-07-01), Bullick
patent: 6607031 (2003-08-01), Lynde et al.
patent: 6695058 (2004-02-01), French

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