Patent ID: 9598923
Date: 2017-03-21
CPC Classifications: E21B

Claim:
1. A downhole tool connectable to a drill string, the drill string for conveying drilling fluid through its interior, the downhole tool comprising: a housing having a longitudinal bore; an agitator assembly disposed within the longitudinal bore of the housing, wherein the agitator assembly includes a power section having a rotor coupled to a valve assembly, wherein the valve assembly is selectively opened by rotation of the rotor so as to allow drilling fluid flow from the interior of the drill string at one end of the housing, through the agitator assembly to the interior of the drill string at the other end of the housing, whereby pressure pulses are generated in the drilling fluid contained within the interior of the drill string and vibrations are created in the drill string; and a removable component disposed within and obstructing the longitudinal bore, wherein the removable component can be removed to at least partially open the longitudinal bore, wherein a through bore operation can be performed through the longitudinal bore once the removable component is removed.