Invention Grant
- Patent Title: Seal elements for annular control devices
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Application No.: US17890195Application Date: 2022-08-17
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Publication No.: US12018542B2Publication Date: 2024-06-25
- Inventor: Robert van Kuilenburg
- Applicant: Noble Rig Holdings Limited
- Applicant Address: US TX Sugar Land
- Assignee: Noble Rig Holdings Limited
- Current Assignee: Noble Rig Holdings Limited
- Current Assignee Address: US TX Sugar Land
- Agent Richard A. Fagin
- Main IPC: E21B33/08
- IPC: E21B33/08 ; E21B47/07

Abstract:
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.
Public/Granted literature
- US20220389785A1 SEAL ELEMENTS FOR ANNULAR CONTROL DEVICES Public/Granted day:2022-12-08
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