IP Library › Patent Application 17366312
Patent Application
App. No. 17/366,312

FLOWLINE DEWATERING

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Quick Facts
Patent No.
US None
App. No.
17/366,312
Abstract

A flowline dewatering system comprising at least one pump and a pig train supported by a gas pressure enabling suction conditions for the pump. A method to dewater a flowline using the system.

Claims (7)

1 . A flowline dewatering system comprising at least one pump and a pig train supported by a gas pressure enabling suction conditions for the pump.

2 . The flowline dewatering system of claim 1 , wherein the at least one pump is a multiphase pump.

3 . The flowline dewatering system of claim 1 , further comprising a meter for density detection to estimate Gas Volume Fraction.

4 . The flowline dewatering system of claim 1 , further comprising a second pump.

5 . A method to dewater a flowline, comprising providing a flowline dewatering system comprising at last one pump and a pig train supported by a gas pressure enabling suction conditions for the pump

6 . The method to dewater a flowline of claim 5 , wherein the pig train is launched from sea topside.

7 . The method to dewater a flowline of claim 5 , wherein the gas flowline extends from shore to subsea.