Patent ID: 7306060

Claim:
A drilling assembly for use in drilling of a wellbore, comprising: (a) a drilling motor for generating a rotary force in response to the flow of a drilling fluid through the drilling motor; (b) a steering device controlling the drilling direction of the wellbore, said steering device including: (i) a plurality of independently movable force application members arranged, each said force application member extending radially outward to apply force to the wellbore inside, upon the application of power thereto; and (ii) a power unit for supplying power to the force application members; (c) at least one control device for controlling the supply of the power to the force application members; (d) a tubing connecting the drilling assembly to a surface location, the tubing including at least one conductor placed along a length of the tubing for providing one of (i) power, and (ii) two-way data transmission to the drilling assembly.