发明授权
- 专利标题： Drill bit with a dynamic metal seal
- 专利标题（中）： 钻头采用动态金属密封
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申请号： US13886911申请日： 2013-05-03
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公开(公告)号： US09316055B2公开(公告)日： 2016-04-19
- 发明人: Chih Lin , Aaron J. Dick , Jon D. Schroder , Anton F. Zahradnik , Alejandro Flores , Robert D. Bradshaw
- 申请人： Chih Lin , Aaron J. Dick , Jon D. Schroder , Anton F. Zahradnik , Alejandro Flores , Robert D. Bradshaw
- 申请人地址： US TX Houston
- 专利权人： BAKER HUGHES INCORPORATED
- 当前专利权人： BAKER HUGHES INCORPORATED
- 当前专利权人地址： US TX Houston
- 代理机构： Cantor Colburn LLP
- 主分类号： E21B10/25
- IPC分类号： E21B10/25 ; E21B10/22
摘要：
In one aspect, a drill bit is disclosed that in one embodiment may include a bit body, a rotating cutter on the bit body, and a metallic seal between the bit body and the rotating cutter that includes a first seal member, a second seal member having a first end in sealing contact with the first seal member, a second end fixed relative to the first end and a bias member between the first end and the second end that adjusts the load on the first seal member in response to external load applied on the drill bit.
公开/授权文献
- US20140326514A1 Drill Bit with a Dynamic Metal Seal 公开/授权日：2014-11-06
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