发明申请
- 专利标题: APPARATUSES AND METHODS FOR STABILIZING DOWNHOLE TOOLS
- 专利标题(中): 用于稳定井下工具的装置和方法
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申请号: US13324265申请日: 2011-12-13
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公开(公告)号: US20130146361A1公开(公告)日: 2013-06-13
- 发明人: Navish Makkar , Brian Cruickshank , Charles Dewey , Michael G. Azar
- 申请人: Navish Makkar , Brian Cruickshank , Charles Dewey , Michael G. Azar
- 申请人地址: US TX Houston
- 专利权人: SMITH INTERNATIONAL, INC.
- 当前专利权人: SMITH INTERNATIONAL, INC.
- 当前专利权人地址: US TX Houston
- 主分类号: E21B7/00
- IPC分类号: E21B7/00 ; E21B10/32
摘要:
A secondary cutting structure for use in a drilling assembly includes a tubular body, and a block, extendable from the tubular body, the block including a first arrangement of cutting elements disposed on a first blade, a first stabilization section disposed proximate the first arrangement of cutting elements, a second arrangement of cutting elements disposed on the first blade, and a second stabilization section disposed proximate the second arrangement of cutting elements. A method of drilling includes disposing a drilling assembly in a wellbore, the drilling assembly including a secondary cutting structure having a tubular body and a block, extendable from the body, the block including at least three blades, actuating the secondary cutting structure, wherein the actuating includes extending the block from the tubular body, and drilling formation with the extended block
公开/授权文献
- US09051793B2 Apparatuses and methods for stabilizing downhole tools 公开/授权日:2015-06-09
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