Invention Grant
- Patent Title: Drill bit cutter pocket restitution
- Patent Title (中): 钻头刀口袋恢复
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Application No.: US12432109Application Date: 2009-04-29
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Publication No.: US08701799B2Publication Date: 2014-04-22
- Inventor: David R. Hall , Francis Leany
- Applicant: David R. Hall , Francis Leany
- Applicant Address: US TX Houston
- Assignee: Schlumberger Technology Corporation
- Current Assignee: Schlumberger Technology Corporation
- Current Assignee Address: US TX Houston
- Agency: Osha Liang LLP
- Main IPC: E21B10/62
- IPC: E21B10/62 ; B23P6/00

Abstract:
A pocket restitution assembly comprises a pocket formed in a surface that includes a central axis, an anchor seated in the pocket and aligned with the central axis, a tool attachment comprising an end for connection to the anchor, and a hollow bit slidably and rotatably sitting on the tool attachment. The hollow bit may fit within the pocket. Weld material may be deposited within the pocket to form an interior of the pocket. The weld material may be shaped by the hollow bit to accept a cutting element.
Public/Granted literature
- US20100275425A1 Drill Bit Cutter Pocket Restitution Public/Granted day:2010-11-04
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