Quick Release System for Offshore Topsides Float-Over Installation
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Solution Overview
Problem
The challenge in installing topsides on offshore platforms, particularly deep draft floaters like Spar platforms, is the need for a system that can restrain the topsides vertically during transport and quickly release them upon installation, as existing methods result in structural damage and equipment failure due to differential motion between barges and the platform during transfer.
Innovation Solution
A quick release system is implemented between the barge and grillage system, which applies compressive force until release, allowing for synchronized uncoupling of the topsides from the grillage system, ensuring secure transport and timely release during installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the topsides are restrained vertically during transport using existing methods, then the topsides remain stable on the barge, but structural damage and equipment failure occur due to differential motion between barges and the platform during transfer
Solution Approach 1:
The quick release system transitions from a static restraint configuration during transport to a dynamic release capability during installation. The system allows the topsides to be firmly held vertically during transport, then quickly released when differential motion occurs during the transfer to platform, preventing structural damage while maintaining stability when needed.
Solution Approach 2:
The quick release system acts as an intermediary between the topsides and the barge grillage system. It provides a controlled connection that can be rapidly disengaged, serving as a mediator that allows safe transfer from the constrained transport state to the free installation state without causing structural damage to either the topsides or platform.
2Productivity
If the topsides are quickly released during installation, then the transfer to platform is efficient, but the topsides may move uncontrollably during transport without restraint
Solution Approach 1:
The quick release system provides dynamic control characteristics, allowing the operator to switch between a restrained configuration for transport and an unrestrained configuration for installation. The system maintains ease of operation during transport through positive mechanical restraint, then enables rapid release for efficient installation when needed.
Solution Approach 2:
The quick release system is designed to maintain its own restrained state during transport without continuous active control, then can be quickly released through a simple activation mechanism. The system serves itself by maintaining transport stability automatically while allowing rapid transition to installation mode when triggered.
3Reliability
If multiple attachment points are used to secure the topsides, then the restraint is more secure, but the release process becomes more complex and time-consuming
Solution Approach 1:
The quick release system divides the restraint function into separate modular attachment points, each with its own quick release mechanism. This segmentation allows each attachment point to be independently released, simplifying the overall release process while maintaining secure restraint through the collective action of multiple attachment points during transport.
Solution Approach 2:
The quick release mechanisms at multiple attachment points are designed with unified characteristics and can be activated simultaneously or in sequence through a coordinated system. This merging of release functions allows complex multi-point restraint to be released in a simplified, coordinated manner, reducing overall system complexity while maintaining restraint security.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This system prevents structural damage and equipment failure by maintaining compressive force during transport and enabling synchronized release, facilitating safe and efficient transfer of the topsides to the offshore platform.
Implementation Method 1
The quick release system can be in tension to apply a compressive force between the grillage system and the topsides until the quick release system is released
Implementation Method 2
transferring at least a portion of the weight of the topsides to the offshore platform
Data Source
AI summary
The present invention provides a system and method that keeps a barge and grillage system on the barge in compression with a topsides supported by the grillage system during the transport, while providing a quick release system between the barge, grillage system, and topsides during an installation procedure that transfers the topsides to an offshore platform. The quick release system can be in tension to apply a compressive force between the grillage system and the topsides until the quick release system is released.