Invention Grant
- Patent Title: Dual barrier plug system for a wellhead
- Patent Title (中): 井口双屏障塞系统
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Application No.: US12855543Application Date: 2010-08-12
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Publication No.: US08499842B2Publication Date: 2013-08-06
- Inventor: Khang Van Nguyen , Martin Anthony Trumbull
- Applicant: Khang Van Nguyen , Martin Anthony Trumbull
- Applicant Address: US TX Houston
- Assignee: GE Oil & Gas Pressure Control LP
- Current Assignee: GE Oil & Gas Pressure Control LP
- Current Assignee Address: US TX Houston
- Agency: Bracewell & Giuliani LLP
- Main IPC: E21B33/03
- IPC: E21B33/03

Abstract:
A dual barrier plug system includes a frac spool, having a dual barrier plug disposed within the interior of the frac spool; a valve selector member disposed within the interior of the dual barrier plug; and the plurality of seals are used to seal fluid flow from below the frac spool, and the seals provide two barriers to each fluid flow.
Public/Granted literature
- US20110036596A1 DUAL BARRIER PLUG SYSTEM FOR A WELLHEAD Public/Granted day:2011-02-17
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