Method for transferring fluid between a first offshore assembly located in a body of water and an assembly floating on the body of water, associated assembly and facility

The method stabilizes the connection between offshore and floating assemblies by controlling mechanical tension and managing relative movement, allowing efficient cryogenic fluid transfer in adverse weather conditions.

US20260159199A1Pending Publication Date: 2026-06-11TOTALENERGIES ONETECH
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
TOTALENERGIES ONETECH
Filing Date
2025-12-04
Publication Date
2026-06-11

AI Technical Summary

⚠Technical Problem

Existing methods for transferring cryogenic fluids between offshore and floating assemblies are limited by weather conditions and require dedicated transport ships or barges, making them unsuitable for less favorable environments.

⚗Method used

A method involving continuous measurement and control of mechanical tension in mooring lines to maintain a preset tension interval, using a control system to manage relative movement and tension, and incorporating kinetic energy recovery systems to stabilize the connection between offshore and floating assemblies.

🎯Benefits of technology

Enables fluid transfer in adverse weather conditions by stabilizing the connection, reducing mechanical stress on mooring lines, and increasing operational reliability and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

Provided herein is method for transferring fluid between a first offshore assembly located in a body of water and an assembly floating on the body of water, associated assembly and facility. The method includes the following steps: installing and mechanical tensioning of a plurality of mooring lines between the offshore assembly and the floating assembly, each mooring line having an active length under mechanical tension between a first point and a second point; fluidic connection between a first capacity and a second capacity via a fluid transfer system, and transfer of fluid between the first capacity and the second capacity; continuous measurement of the mechanical tension applied to the active length of at least one mooring line; and control of the active length of the at least one mooring line by a controller, to keep the mechanical tension applied to the at least one mooring line within a preset mechanical tension interval.
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