Well drilling machine for use in the oil and gas industry and for water well and geothermal well drilling; machine tools for well drilling for use in the oil and gas industry and for water well and geothermal well drilling; equipment for use in the oil and gas industry, namely, a rotary steerable system; machine tools for use in the oil and gas industry, namely, machines tools for controlling the direction of a well bore while drilling as a component of rotary steerable systems machines; oil ...