Invention Grant
- Patent Title: Drill bit with continuously sharp edge cutting elements
- Patent Title (中): 钻头采用连续尖锐的切割元件
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Application No.: US12250445Application Date: 2008-10-13
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Publication No.: US08020641B2Publication Date: 2011-09-20
- Inventor: Robert M. Welch , Eric E. McClain , L. Allen Sinor
- Applicant: Robert M. Welch , Eric E. McClain , L. Allen Sinor
- Applicant Address: US TX Houston
- Assignee: Baker Hughes Incorporated
- Current Assignee: Baker Hughes Incorporated
- Current Assignee Address: US TX Houston
- Agency: Locke Lord LLP
- Main IPC: E21B10/43
- IPC: E21B10/43
Abstract:
A method of optimizing drill bit design and an optimized drill bit for drilling a well into an earth formation comprising a bit body; a number of blades spaced around the bit body, each blade having a curved outer edge and a forward face; a first row of cutter pockets recessed into the face along the outer edge of each blade; a second group of cutter pockets recessed into the face of each blade offset from the first row; and a plurality of cutting elements, each cutting element being brazed into a different one of the cutter pockets.
Public/Granted literature
- US20100089664A1 DRILL BIT WITH CONTINUOUSLY SHARP EDGE CUTTING ELEMENTS Public/Granted day:2010-04-15
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