Invention Grant
US09428992B2 Method and apparatus for restricting fluid flow in a downhole tool
有权
用于限制井下工具中的流体流动的方法和装置
- Patent Title: Method and apparatus for restricting fluid flow in a downhole tool
- Patent Title (中): 用于限制井下工具中的流体流动的方法和装置
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Application No.: US13958122Application Date: 2013-08-02
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Publication No.: US09428992B2Publication Date: 2016-08-30
- Inventor: Matthew James Merron
- Applicant: Halliburton Energy Services, Inc.
- Applicant Address: US TX Houston
- Assignee: Halliburton Energy Services, Inc.
- Current Assignee: Halliburton Energy Services, Inc.
- Current Assignee Address: US TX Houston
- Agency: Schwegman, Lundberg & Woessner, P.A.
- Agent John W. Wustenberg
- Main IPC: E21B34/14
- IPC: E21B34/14
Abstract:
A ball seat valve employed in a downhole tool string includes a split-ring baffle that is configured to radially expand and to radially contract to catch a dropped ball.
Public/Granted literature
- US20150034332A1 METHOD AND APPARATUS FOR RESTRICTING FLUID FLOW IN A DOWNHOLE TOOL Public/Granted day:2015-02-05
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