Invention Grant
- Patent Title: Flexible directional drilling apparatus and related methods
- Patent Title (中): 灵活定向钻井设备及相关方法
-
Application No.: US12956889Application Date: 2010-11-30
-
Publication No.: US08640792B2Publication Date: 2014-02-04
- Inventor: Lance D. Underwood , Charles H. Dewey
- Applicant: Lance D. Underwood , Charles H. Dewey
- Applicant Address: US TX Houston
- Assignee: Smith International, Inc.
- Current Assignee: Smith International, Inc.
- Current Assignee Address: US TX Houston
- Agency: Osha Liang LLP
- Main IPC: E21B7/04
- IPC: E21B7/04 ; E21B10/26 ; E21B17/10
Abstract:
A bottom hole assembly to directionally drill a subterranean formation includes a drill bit, a stabilizer assembly located proximate to and behind the drill bit, a drilling assembly comprising a drive mechanism and a directional mechanism, and a flex housing integral with the drilling assembly.
Public/Granted literature
- US20110067925A1 FLEXIBLE DIRECTIONAL DRILLING APPARATUS AND RELATED METHODS Public/Granted day:2011-03-24
Information query
