Invention Grant
- Patent Title: Slip connection with adjustable pre-tensioning
- Patent Title (中): 滑动连接可调节预紧
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Application No.: US13000171Application Date: 2009-06-18
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Publication No.: US08684090B2Publication Date: 2014-04-01
- Inventor: Trond Haugland
- Applicant: Trond Haugland
- Applicant Address: NO Knarrevik
- Assignee: Norocean AS
- Current Assignee: Norocean AS
- Current Assignee Address: NO Knarrevik
- Agency: Andrus Intellectual Property Law, LLP
- Priority: NO20082794 20080620
- International Application: PCT/NO2009/000228 WO 20090618
- International Announcement: WO2009/154474 WO 20091223
- Main IPC: E21B7/12
- IPC: E21B7/12 ; E21B17/07
Abstract:
A telescopic riser section device for a riser which is arranged to connect a wellhead to a surface vessel, the telescopic riser section being placed between the wellhead and the riser and being provided with at least one actuator arranged to apply a downward tensile force to the riser; an actuator-pressurizing circuit being connected to the at least one actuator and being arranged on the riser section and/or on the riser.
Public/Granted literature
- US20110155388A1 Slip Connection with Adjustable Pre-Tensioning Public/Granted day:2011-06-30
Information query
