- 专利标题： Frac dart, method, and system
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申请号： US17236290申请日： 2021-04-21
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公开(公告)号： US11782098B2公开(公告)日： 2023-10-10
- 发明人: Eugene Stolboushkin , YingQing Xu , Daniel M. Cousin
- 申请人： Eugene Stolboushkin , YingQing Xu , Daniel M. Cousin
- 申请人地址： US TX Houston
- 专利权人： BAKER HUGHES OILFIELD OPERATIONS LLC
- 当前专利权人： BAKER HUGHES OILFIELD OPERATIONS LLC
- 当前专利权人地址： US TX Houston
- 代理机构： CANTOR COLBURN LLP
- 主分类号： E21B34/14
- IPC分类号： E21B34/14 ; G01R33/00 ; H02K1/34 ; E21B43/26
摘要：
A frac dart including a pressure housing, a mechanically actuated magnetic sensor including a first magnet outside of the pressure housing, a signal generator inside the pressure housing and in operable communication with the first magnet, and an electrical counter disposed in the frac dart responsive in increments to the signal generator.
公开/授权文献
- US20220342006A1 FRAC DART, METHOD, AND SYSTEM 公开/授权日：2022-10-27
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