Invention Grant
- Patent Title: Drill bit having rotational cutting elements and method of drilling
- Patent Title (中): 钻头具有旋转切削元件和钻孔方法
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Application No.: US13933883Application Date: 2013-07-02
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Publication No.: US08763727B1Publication Date: 2014-07-01
- Inventor: Craig H. Cooley , Jeffrey B. Lund , Jair J. Gonzalez
- Applicant: US Synthetic Corporation
- Applicant Address: US UT Orem
- Assignee: US Synthetic Corporation
- Current Assignee: US Synthetic Corporation
- Current Assignee Address: US UT Orem
- Agency: Holland & Hart LLP
- Main IPC: E21B10/62
- IPC: E21B10/62 ; E21B10/633

Abstract:
A rotary drill bit is disclosed. The rotary drill bit may include a bit body, a cutting pocket defined in the bit body, and a cutting element rotatably coupled to the bit body. The cutting element may be positioned at least partially within the cutting pocket. The rotary drill bit may also include a rotation-inducing member adjacent to the cutting element for inducing rotation of the cutting element relative to the cutting pocket. The rotation-inducing member may include a resilient member or a vibrational member. The rotary drill bit may also include protrusions extending from an interior of the cutting pocket adjacent to an outer diameter of the cutting element. A method of drilling a formation is also disclosed.
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