Systems and method utilizing piezoelectric materials to mitigate or eliminate stick-slip during drilling

A system for avoiding stick slip during drilling operations, the system comprising:

• a drill bit providing a plurality of openings for receiving drilling inserts;
• one or more piezoelectric actuators, wherein each piezoelectric actuator is positioned at a bottom of one of the plurality of openings of the drill bit;
• and
• a plurality of drill inserts positioned in the plurality of openings, wherein when piezoelectric actuators are present in the plurality of openings, the piezoelectric actuators are sandwich between the drilling inserts and a bottom of the opening of the drill bit;
• and
• a power supply coupled to a drill string of the drill bit, wherein a first end of the piezoelectric actuator is coupled to a first pole of a power supply and the first end is electrically isolated from the drill bit.

A method for avoiding stick slip during drilling operations, the method comprising:

• operating a drill string for drilling, wherein the drill string includes a drill bit and a system for avoiding stick slip comprising
• at least one piezoelectric plate, wherein the piezoelectric plate vibrates when voltage is applied,
• an ultrasonic horn coupled to the piezoelectric plate, wherein the ultrasonic horn concentrates vibrational energy at a tip of the ultrasonic horn, and
• a keyed shaft coupled a free mass, wherein the keyed shaft is utilized to couple the system to a drill bit;
• activating the system for avoiding stick slip while drilling for a predetermined period of time, wherein the system for avoiding stick slip is activated based on an increase in drilling torque.