Tornado Tool – Near-bit Ejector unit with inverted nozzles for optimum dril
Drilling speed (PDV) is generally known to be one of the main factors influencing the cost-
performance characteristics of drilling. We have analysed the progress trends of drilling
styles and developed an original ejector device - near-bit ejector unit (NBEU) to increase
drilling speed. It can be used in rotary drilling, positive displacement motor drilling (PDM) and
turbine motor drilling. It is an anti-jam device.