Invention Grant
- Patent Title: Hybrid drill bit having increased service life
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Application No.: US14611167Application Date: 2015-01-30
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Publication No.: US09782857B2Publication Date: 2017-10-10
- Inventor: Don Q. Nguyen , Carl E. Poteet , Eric C. Sullivan , John F. Bradford , Mark P. Blackman , Alan J. Massey , Gregory L. Ricks
- Applicant: BAKER HUGHES INCORPORATED
- Applicant Address: US TX Houston
- Assignee: BAKER HUGHES INCORPORATED
- Current Assignee: BAKER HUGHES INCORPORATED
- Current Assignee Address: US TX Houston
- Agency: Sutton McAughan Deaver PLLC
- Main IPC: E21B10/08
- IPC: E21B10/08 ; B23K33/00 ; B23K31/02 ; E21B10/14 ; E21B10/20
Abstract:
A method of improving the service life of a drill bit comprises creating a weldment between load bearing portions of the drill bit where the weldment has a preselected root gap greater than about 25 mils and a preselected root face greater than about 25 mils, and where the weldment has a material property greater than the materials being joined.
Public/Granted literature
- US20150152687A1 HYBRID DRILL BIT HAVING INCREASED SERVICE LIFE Public/Granted day:2015-06-04
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