Pipe cleaning tool and method

Details Pipe cleaning tool and method Pipe cleaning tool and method

2006-03-28

2009-12-01

Bomar, Shane (Department: 3676)

Wells

Processes

Cleaning or unloading well

C166S386000, C166S387000, C166S173000, C166S177300, C015S003500, C015S104061

Reexamination Certificate

active

07624806

ABSTRACT:
A method of cleaning a pipe provides a tool within the pipe. The tool has a body of smaller diameter than the pipe such that the body and pipe define an annulus and a fluid guiding member located at the annulus and movable relative to the pipe. The fluid guiding member moves relative to the pipe to guide fluid forward of the fluid guiding member to a pipe outlet.

REFERENCES:
patent: 2334788 (1943-11-01), O'Leary
patent: 3503445 (1970-03-01), Cochrum et al.
patent: 3708819 (1973-01-01), Breston
patent: 6098231 (2000-08-01), Smith et al.
patent: 6374838 (2002-04-01), Baugh
patent: 6944902 (2005-09-01), Richter et al.
patent: 2002/0104649 (2002-08-01), Allen

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