Invention Application
- Patent Title: DRILLING OUT CASING BITS WITH OTHER CASING BITS
- Patent Title (中): 与其他车型钻机钻孔
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Application No.: US12200344Application Date: 2008-08-28
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Publication No.: US20100051350A1Publication Date: 2010-03-04
- Inventor: Eric E. McClain , John C. Thomas
- Applicant: Eric E. McClain , John C. Thomas
- Applicant Address: US TX Houston
- Assignee: BAKER HUGHES INCORPORATED
- Current Assignee: BAKER HUGHES INCORPORATED
- Current Assignee Address: US TX Houston
- Main IPC: E21B10/26
- IPC: E21B10/26
Abstract:
The drilling of a casing bit and any other equipment in the casing with another casing bit where at least two casing bits of different diameter and having associated casing sections may be assembled to form a drilling assembly for drilling subterranean formations, the at least two casing bits and casing sections are arranged in a telescoping relationship.
Public/Granted literature
- US08146683B2 Drilling out casing bits with other casing bits Public/Granted day:2012-04-03
Information query
