SENTINEL

Machines and machine tools; apparatus for use in relation to the drilling of oil and gas; apparatus for use in the cleaning of oil wells including the cleaning of casing strings, liners and other well tubing; well clean up tools, including circulation tools, casing scrapers and brush tools; parts and fittings therefor; Machines and machine tools; apparatus for use in relation to the drilling of oil and gas; apparatus for use in the cleaning of oil wells including the cleaning of casing strings, liners and other well tubing; well clean up tools, including circulation tools, casing scrapers and brush tools; parts and fittings therefor