Patent ID: 11867006
Assignee: EPIROC DRILLING SOLUTIONS, LLC
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 0:
1. A method for changing drilling tools for a drilling rig, the drilling rig comprising a drill tower supporting a drill string with a drill pipe at the lowermost end, and a drilling tool changer assembly having a rotatable carousel assembly with a plurality of bit adaptors for holding drilling tools, the method comprising:
removing a first drilling tool attached to the drill pipe; and
attaching a second drilling tool held in the rotatable carousel assembly to the drill pipe;
wherein the method is selectively performed automatically or semi-automatically via a control system operatively coupled to the drilling rig; and
wherein when the method is performed semi-automatically, an input to the control system identifies which one or more of the method steps to perform automatically.