COMMISSIONER

Apparatus for use in oil and gas drilling, namely, power operated tools, namely, power operated drill bits, reamers, cutters, junk subs, and debris catchers, designed to allow an inflow or negative test to be carried out on a liner over-lap and the liner shoe-track on the same trip as the well bore clean-up; power operated tools for cleaning oil wells, oil well casing strings, oil well liners, and oil well tubing, namely, power operated wipers, scrapers, brush tools, polishers, and scourers; power operated well clean-up tools, namely, casing scrapers, brushes, and circulation tools, namely, tools designed with an expandable pack-off element for sealing wells; and parts for all the foregoing