Invention Grant
- Patent Title: High pressure sleeve for dual bore HP riser
- Patent Title (中): 用于双孔HP提升管的高压套筒
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Application No.: US12427003Application Date: 2009-04-21
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Publication No.: US08573307B2Publication Date: 2013-11-05
- Inventor: Harald Moksvold
- Applicant: Harald Moksvold
- Applicant Address: NO Oslo
- Assignee: Ocean Riser Systems AS
- Current Assignee: Ocean Riser Systems AS
- Current Assignee Address: NO Oslo
- Agency: Manelli Selter PLLC
- Agent Edward J. Stemberger
- Main IPC: E21B43/013
- IPC: E21B43/013 ; E21B33/037

Abstract:
A high pressure sleeve for a dual bore high pressure riser is provided. The high pressure sleeve is arranged for forming a connection between either the annulus bore and the high pressure sleeve, or for forming a connection between the high pressure sleeve and the production bore. The choice of connection is made by rotation of the sleeve.
Public/Granted literature
- US20090260831A1 HIGH PRESSURE SLEEVE FOR DUAL BORE HP RISER Public/Granted day:2009-10-22
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