Invention Grant
- Patent Title: Downhole cutting tool, cutting elements and method
- Patent Title (中): 井下切削刀具,切削元件及方法
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Application No.: US13013639Application Date: 2011-01-25
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Publication No.: US08662208B2Publication Date: 2014-03-04
- Inventor: Donald Stuart Stroud , Donald Gregory Stroud
- Applicant: Donald Stuart Stroud , Donald Gregory Stroud
- Applicant Address: US TX Tomball
- Assignee: American National Carbide Co.
- Current Assignee: American National Carbide Co.
- Current Assignee Address: US TX Tomball
- Agency: Lewis Brisbois Bisgaard & Smith LLP
- Agent Jon E. Hokanson; Josephine A. Brosas
- Main IPC: E21B10/62
- IPC: E21B10/62

Abstract:
A cutting tool that has a leading or cutting surface that includes affixed thereto a plurality of irregular nine-faced polyhedrons or three-dimensional solid elements with nine faces, wherein each of the nine faces is a polygon and has a predetermined distance from each face to an opposing cutting edge and wherein the predetermined distance from each of the nine faces to its opposing cutting edge is equal for all of each of the nine faces, such that regardless of which of the nine faces is resting on a flat surface, the predetermined distance is the same.
Public/Granted literature
- US20110308865A1 DOWNHOLE CUTTING TOOL, CUTTING ELEMENTS AND METHOD Public/Granted day:2011-12-22
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