发明授权
US08113291B2 Leak detection method for a rotating control head bearing assembly and its latch assembly using a comparator
有权
使用比较器的旋转控制头轴承组件及其闩锁组件的泄漏检测方法
- 专利标题: Leak detection method for a rotating control head bearing assembly and its latch assembly using a comparator
- 专利标题(中): 使用比较器的旋转控制头轴承组件及其闩锁组件的泄漏检测方法
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申请号: US13071800申请日: 2011-03-25
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公开(公告)号: US08113291B2公开(公告)日: 2012-02-14
- 发明人: Thomas F. Bailey , James W. Chambers
- 申请人: Thomas F. Bailey , James W. Chambers
- 申请人地址: US TX Houston
- 专利权人: Weatherford/Lamb, Inc.
- 当前专利权人: Weatherford/Lamb, Inc.
- 当前专利权人地址: US TX Houston
- 代理机构: Strasburger & Price, LLP
- 主分类号: E21B19/24
- IPC分类号: E21B19/24
摘要:
A leak detection method uses a comparator to compare fluid values in and from the latch assembly of the latch system for an oilfield device and/or in and from the bearing assembly of a rotating control head.