- Patent Title: Convex ridge type non-planar cutting tooth and diamond drill bit
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Application No.: US16155359Application Date: 2018-10-09
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Publication No.: US10563464B2Publication Date: 2020-02-18
- Inventor: Javier Davila , Liang Zhao , Xiaomin Cheng , Demin Chen , Xiongwen Yang , Yonghong Wang , Yu Liu
- Applicant: CNPC USA CORPORATION
- Applicant Address: US TX Houston
- Assignee: CNPC USA CORPORATION
- Current Assignee: CNPC USA CORPORATION
- Current Assignee Address: US TX Houston
- Agency: Ramey and Schwaller, LLP
- Agent William P. Ramey; Melissa D. Schwaller
- Priority: CN201510533014 20150827
- Main IPC: E21B10/567
- IPC: E21B10/567 ; E21B10/42

Abstract:
The present invention provides non-planar cutting tooth and a diamond drill bit. The non-planar cutting tooth and the diamond drill bit have great ability of impact resistance and balling resistance. According to the features of drilled formation, cutting teeth are arranged on the drill bit with different mode, which can improve the mechanical speed and footage of the drill bit.
Public/Granted literature
- US20190040689A1 CONVEX RIDGE TYPE NON-PLANAR CUTTING TOOTH AND DIAMOND DRILL BIT Public/Granted day:2019-02-07
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