发明授权
- 专利标题： Energizing ring divot back-out lock
- 专利标题（中）： 激发戒指回拨锁
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申请号： US13614525申请日： 2012-09-13
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公开(公告)号： US09057231B2公开(公告)日： 2015-06-16
- 发明人: Daniel R. Barnhart , Nicholas P. Gette , Baozhi Zhu , Jeffrey A. Raynal
- 申请人： Daniel R. Barnhart , Nicholas P. Gette , Baozhi Zhu , Jeffrey A. Raynal
- 申请人地址： US TX Houston
- 专利权人： Vetco Gray Inc.
- 当前专利权人： Vetco Gray Inc.
- 当前专利权人地址： US TX Houston
- 代理机构： Bracewell & Giuliani LLP
- 主分类号： E21B33/03
- IPC分类号： E21B33/03 ; E21B33/04 ; E21B23/00 ; E21B33/12 ; E21B33/00
摘要：
An energizing ring can be used to energize a seal. In embodiments, the energizing ring has a recess, or divot, adjacent to a portion of the seal so that if the seal is deformed during a balloon-type failure, a portion of the deformed seal can occupy the recess. The seal, thus, engages surfaces of the recess to prevent axial movement of the energizing ring relative to the seal.
公开/授权文献
- US20140069646A1 E-RING DIVOT BACK-OUT LOCK 公开/授权日：2014-03-13