发明授权
- 专利标题: Cementing whipstock apparatus and methods
- 专利标题(中): 水泥造斜机装置及方法
-
申请号: US13085586申请日: 2011-04-13
-
公开(公告)号: US08820437B2公开(公告)日: 2014-09-02
- 发明人: David L. Ervin , Charles H. Dewey , John E. Campbell , Shantanu N. Swadi , Philip M. Gregurek
- 申请人: David L. Ervin , Charles H. Dewey , John E. Campbell , Shantanu N. Swadi , Philip M. Gregurek
- 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: E21B7/06
- IPC分类号: E21B7/06 ; E21B7/08 ; E21B33/14
摘要:
A technique facilitates sidetracking by eliminating one or more trips downhole. The technique comprises delivering a sidetracking system downhole into a wellbore, and utilizing a component of the sidetracking system to grip a wall of the wellbore. The sidetracking system may comprise a whipstock assembly and a running/stinger assembly in which the stinger assembly is designed for disconnection from the whipstock assembly after delivery downhole. After disconnecting the stinger assembly, the sidetracking system enables delivery of cement slurry down through the stinger assembly to form a cement plug at a desired location.
公开/授权文献
- US20110253387A1 CEMENTING WHIPSTOCK APPARATUS AND METHODS 公开/授权日:2011-10-20
信息查询