Patent ID: 11952883
Assignee: HALLIBURTON ENERGY SERVICES, INC.
Field: Civil engineering (Other fields)
Classification: CPC E  G | IPC E  G

Claim 0:
1. A method for drilling a well, the method comprising:
controlling a top drive using a control system to rotate a drill string and a drill bit to drill the well;
detecting stick-slip vibrations of the drill string at a frequency of the stick-slip vibrations caused by the rotation of the drill string and the drill bit via a downhole sensor;
determining a reflection coefficient of the drill bit for the frequency based on at least one of a rotational speed of the drill bit or a torque of the drill bit;
determining a reflection coefficient of the top drive for the frequency based on at least one of a rotational speed of the top drive or a torque produced by the top drive; and
adjusting the control system based on the reflection coefficient of the drill bit for the frequency and the reflection coefficient of the top drive for the frequency to adjust the operation of the top drive to reduce or eliminate stick-slip of the drill string.