Invention Grant
- Patent Title: Whipstock assembly and method for low side exit
- Patent Title (中): 生产线组装及低侧出口方法
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Application No.: US13291745Application Date: 2011-11-08
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Publication No.: US08763685B2Publication Date: 2014-07-01
- Inventor: Andrew M. Robin
- Applicant: Andrew M. Robin
- Applicant Address: US TX Houston
- Assignee: Baker Hughes Incorporated
- Current Assignee: Baker Hughes Incorporated
- Current Assignee Address: US TX Houston
- Agency: Cantor Colburn LLP
- Main IPC: E21B23/12
- IPC: E21B23/12 ; E21B7/08
Abstract:
A whipstock assembly allowing a lowside casing exit, the whipstock assembly includes a whipstock including an upstream portion and a downstream portion, the upstream portion having a deflection wedge surface and an opposite casing-side surface; and a fulcrum protruding from the whipstock and positioned between the downstream portion and the upstream portion. Also includes is a method of allowing a first side exit in a window milling operation of a casing having a first side and an opposite second side.
Public/Granted literature
- US20130025864A1 WHIPSTOCK ASSEMBLY AND METHOD FOR LOW SIDE EXIT Public/Granted day:2013-01-31
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