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1. (WO2018002571) GAS VENTING

Pub. No.:    WO/2018/002571    International Application No.:    PCT/GB2017/051321
Publication Date: Fri Jan 05 00:59:59 CET 2018 International Filing Date: Sat May 13 01:59:59 CEST 2017
IPC: F16L 11/08
F16L 33/01
F16L 11/12
F16L 11/22
Applicants: GE OIL & GAS UK LTD
Inventors: CARNEY, Matthew
WHARTON, Andrew
KELLY, Michael
Title: GAS VENTING
Abstract:
A vent arrangement for a flexible pipe body. The vent arrangement comprises a vent valve and an annular region flushing valve. The vent valve is arranged to couple to an annular region access port of a flexible pipe end fitting such that the vent valve can vent fluid from the pipe body annular region. The annular region flushing valve is in fluid communication with the vent valve and the annular region access port. The annular region flushing valve is arranged to inject fluid into the vent arrangement for flushing the vent valve, the annular region access port or the pipe body annular region. An end fitting incorporating the vent arrangement, a flexible pipe comprising the end fitting and a flexible pipe body coupled to the end fitting, and a method of manufacturing a flexible pipe are also disclosed.