Invention Grant
US07766046B2 Plugging system for use during an offshore pipeline laying operation
有权
在海上管道铺设操作期间使用的堵塞系统
- Patent Title: Plugging system for use during an offshore pipeline laying operation
- Patent Title (中): 在海上管道铺设操作期间使用的堵塞系统
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Application No.: US11796222Application Date: 2007-04-27
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Publication No.: US07766046B2Publication Date: 2010-08-03
- Inventor: Harald Syse , Jostein Aleksandersen
- Applicant: Harald Syse , Jostein Aleksandersen
- Applicant Address: NO Stavanger
- Assignee: TDW Offshore Services AS
- Current Assignee: TDW Offshore Services AS
- Current Assignee Address: NO Stavanger
- Agency: Gable Gotwals
- Priority: NO20015555 20011113
- Main IPC: F16L55/10
- IPC: F16L55/10
Abstract:
A plug for use during a pipeline laying operation for sealing off sections of the pipeline in case of water ingress. A sealing and gripping assembly is formed of slip segments around a partially conical shaped surface, the slip segments being moved by a piston/cylinder arrangement. A valve connected to a pressure vessel actuates the piston/cylinder in response to the detection of conductivity of fluid around the plug.
Public/Granted literature
- US20070227604A1 Plugging system for use during an offshore pipeline laying operation Public/Granted day:2007-10-04
Information query
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