The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 04, 2024

Filed:

May. 07, 2021
Applicant:

Fmc Kongsberg Subsea As, Kongsberg, NO;

Inventors:

Leif Arne Tønnessen, Bærums Verk, NO;

Lachlan McKenzie, Røyken, NO;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/01 (2006.01);
U.S. Cl.
CPC ...
E21B 43/01 (2013.01);
Abstract

Method for evacuating hydrocarbon from a subsea process module (), the subsea process module having an upper fluid connection point () and a lower fluid connection point (), the method comprising: connecting () a receiving container line () to the upper fluid connection point () of the subsea process module (); connecting () a liquid adding line () to the lower fluid connection point () of the subsea process module (); displacing () hydrocarbon by a liquid displacement medium added through the liquid adding line (); removing () the liquid adding line from the lower fluid connection point (); connecting () a gas adding line () to either the upper fluid connection point () or a lower fluid connection point (); connecting () a receiving container line () to the lower fluid connection point () and or another lower fluid connection point; diluting () the remaining hydrocarbon by a gas medium added through the gas adding line ().


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