Invention Grant
- Patent Title: Cementing whipstock apparatus and methods
- Patent Title (中): 水泥造斜机装置及方法
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Application No.: US13772165Application Date: 2013-02-20
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Publication No.: US09206648B2Publication Date: 2015-12-08
- Inventor: Charles H. Dewey , John E. Campbell , Shantanu N. Swadi , Philip M. Gregurek
- Applicant: SMITH INTERNATIONAL, INC.
- Applicant Address: US TX Houston
- Assignee: Smith International, Inc.
- Current Assignee: Smith International, Inc.
- Current Assignee Address: US TX Houston
- Main IPC: E21B7/06
- IPC: E21B7/06 ; E21B33/13 ; E21B23/04 ; E21B33/14
Abstract:
A system and method facilitate sidetracking by eliminating one or more trips downhole. A sidetracking system includes a whipstock assembly and a stinger assembly. The stinger assembly has a stinger which extends at least partially through the whipstock assembly. The stinger is coupled to a sub of the sidetracking system by a releasable latch mechanism, such as a shear pin or collet.
Public/Granted literature
- US20130213654A1 CEMENTING WHIPSTOCK APPARATUS AND METHODS Public/Granted day:2013-08-22
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