77284813
Sep 20, 2007
Jul 21, 2009
Active Trademark
Downhole well cleaning tools powered by a work string and used to clean unwanted debris from a well, namely, scrapers which scrape debris from the interior of a tubular positioned within the well, magnetic retrieval tools which retrieve unwanted magnetic particles and debris from a well, and brush tools which clean contaminants or other debris from a tubular within a well
Machinery