Riser surge protection system

: A system for liquid surge protection of a subsea riser having a horizontal portion on the seabed and a sag bend portion, the system comprising: a flexible tubing having a top end and a bottom end; a plurality of autonomous valves configured to permit liquid to pass through into the flexible tubing...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	KINDSBEKKEN KJELDBY, Tor
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	: A system for liquid surge protection of a subsea riser having a horizontal portion on the seabed and a sag bend portion, the system comprising: a flexible tubing having a top end and a bottom end; a plurality of autonomous valves configured to permit liquid to pass through into the flexible tubing; wherein the autonomous valves are arranged between the top end and the bottom end of the tubing; and further comprising an inlet device coupled to the bottom end of the flexible tubing, wherein said inlet device is biased against a bottom wall the riser.