- 专利标题: SEAL ELEMENTS FOR ANNULAR CONTROL DEVICES
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申请号: US17180349申请日: 2021-02-19
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公开(公告)号: US20210254427A1公开(公告)日: 2021-08-19
- 发明人: Robert van Kuilenburg
- 申请人: Noble Rig Holdings Limited
- 申请人地址: US TX Sugar Land
- 专利权人: Noble Rig Holdings Limited
- 当前专利权人: Noble Rig Holdings Limited
- 当前专利权人地址: US TX Sugar Land
- 主分类号: E21B33/08
- IPC分类号: E21B33/08 ; E21B47/07
摘要:
A seal element for an annular control device includes an elastomer seal sleeve having an annular opening therein and arranged to be radially compressed to contact an exterior of a pipe disposed within the elastomer seal element. The elastomer seal sleeve comprises at least one of a wear resistant material disposed on an interior surface of the annular opening and a lubricant channel on the interior surface.
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