Riser surge protection system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11846155
APP PUB NO 20230101329A1
SERIAL NO

17794162

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Abstract

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A system for liquid surge protection of a subsea riser having a horizontal portion on the seabed and a sag bend portion includes: 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 an inlet device coupled to the bottom end of the flexible tubing, wherein said inlet device is biased against a bottom wall the riser.

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Patent Owner(s)

Patent OwnerAddress
EQUINOR ENERGY AS4035 STAVANGER

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kjeldby, Tor Kindsbekken Stavanger, NO 4 1

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