cuttings removal in an exemplary embodiment such a turbine drill motor includes a bypass channel to divert a portion of the driving fluid supply when the bit is off bottom to limit the no load runaway speed of the turbine serial and parallel flow paths can be accommodated and different drill bits for cutting and well bore servicing are disclosed application_number US 79660210 A description exemplary embodiments are illustrated in referenced figures of the drawings it is intended that the embodiments and figures disclosed herein are to be considered illustrative rather than restrictive no limitation on the scope of the technology and of the claims that follow is to be imputed to the examples shown in the drawings and discussed herein further it should be understood that any feature of one embodiment disclosed herein can be combined with one or more features of any other embodiment that is disclosed unless otherwise indicated the jet turbodrill disclosed herein is designed to operate at a significantly higher differential pressure but a similar flow rate as compared to a conventional mud turbine drill motor the increased pressure provides higher power and speed fig1 is a cross sectional side view of a first exemplary embodiment of a jet turbodrill based on a parallel fluid flow showing the bit off bottom the turbodrill is enclosed in a housing 1 that is fixed to the end of a drillstring which provides fluid at a constant flow rate to an inlet cavity 2 the fluid may be water drilling mud oil based fluid gas or a comingled fluid the fluid is directed through.