Invention Grant
- Patent Title: Fixed-point packoff element with primary seal test capability
- Patent Title (中): 具有初级密封试验能力的定点包装元件
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Application No.: US11824691Application Date: 2007-07-02
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Publication No.: US07644757B2Publication Date: 2010-01-12
- Inventor: Danny Lee Artherholt
- Applicant: Danny Lee Artherholt
- Applicant Address: US OK Oklahoma City
- Assignee: Stinger Wellhand Protection, Inc.
- Current Assignee: Stinger Wellhand Protection, Inc.
- Current Assignee Address: US OK Oklahoma City
- Agency: Nelson Mullins Riley & Scarborough, LLP
- Main IPC: E21B33/10
- IPC: E21B33/10 ; E21B47/10
Abstract:
A fixed-point packoff element for a full-bore pressure isolation tool supports a primary seal and a test seal to permit the primary seal to be tested by injecting test fluid through a side port of a tubing head spool before the pressure isolation tool is rigged up for a well stimulation procedure.
Public/Granted literature
- US20090008100A1 Fixed-point packoff element with primary seal test capability Public/Granted day:2009-01-08
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