Invention Grant
- Patent Title: Fixed cutter bit for directional drilling applications
- Patent Title (中): 固定刀头用于定向钻孔应用
-
Application No.: US12761593Application Date: 2010-04-16
-
Publication No.: US08418785B2Publication Date: 2013-04-16
- Inventor: Michael G Azar
- Applicant: Michael G Azar
- Applicant Address: US TX Houston
- Assignee: Smith International, Inc.
- Current Assignee: Smith International, Inc.
- Current Assignee Address: US TX Houston
- Main IPC: E21B10/42
- IPC: E21B10/42 ; E21B10/56 ; E21B10/633
Abstract:
A drill bit for drilling a borehole in earthen formations, the bit comprising: a bit body having a bit axis and a bit face including a cone region, a shoulder region, and a gage region; a first primary blade extending radially along the bit face from the cone region to the gage region; a plurality of cutter elements mounted to the first primary blade, wherein a first of the plurality of cutter elements has a planar cutting face and a second of the plurality of cutter elements has a convex cutting face; and wherein each cutting face is forward-facing.
Public/Granted literature
- US20110100724A1 Fixed Cutter Bit for Directional Drilling Applications Public/Granted day:2011-05-05
Information query
