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Shinyang Technology

Shinyang Technology

Subsea Buoyancy - Pipeline Installation Buoys

Model

Series

Special Foam Buoy


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Description

When installing heavy, large diameter pipelines offshore especially in deepwater, the tensions generated on the installation vessel can be extremely high.

To reduce the weight of the pipeline duiring installation, discrete buoyancy modules can be strapped to the pipeline on board the vessel or in the case of a shore pull, installed on land.
 
Our pipeline buoyancy modules have been manufactured for surface as well as deepwater operations including bottom tow methods where the whole pipeline - which may be kilometres long - is towed floating just above the seabed from the fabrication site onshore to the final location offshore.
 
In many cases each of the pipeline buoyancy modules have to be released and recovered, this task can be carried out by divers, an ROV or an acoustic release mechanism. We design, engineer and manufacture a complete buoyancy system to suit all project requirements.
 
We offer a number of standard buoyancy modules, cylindrical or square section, available 'off the shelf' however, clients often request project specific designs - which we will gladly accommodate.  
 
 
Features


Materials 
As with most subsea products, materials vary to suit project specifications. For shallow or surface applications, our pipeline buoyancy modules are manufactured using rotationally moulded tanks designed to suit installation and filled with a high density polyurethane foam. We can also fabricate thin walled steel tanks which are foam filled for extremely hostile environments.
 
For mid-water and deepwater pipeline buoyancy modules, we use a composite syntactic foam formulated to match the maximum operating depth. Typical water depths would be 500, 1000, 1500 and 2000 metres. Syntactic foams for greater water depths are available if required. The syntactic foam will either be precast and spray coated with a hard wearing polyurethane elastomer skin or injected into a polymer/steel shell.
 
Design
We offer a number of standard buoyancy modules, cylindrical or square section, available 'off the shelf' but clients usually request project specific design  - which we will gladly accommodate.
 
Fast and efficient installation and subsequent release of buoyancy modules is essential to the overall success of any pipeline project. We provide a range of banding systems to secure the modules including mild steel, stainless steel, Inconel, Titanium and Kevlar. The attachment/release mechanisms are project specific but, as illustrated, an ROV releaseable system has been used very successfully on many deepwater projects. 
  

Download

Pipeline Installation Buoys Data Sheet

Inquiry

Komachine Inc.
Head Office:
Ace Dongbaek Tower 1-1101, 16-4,
Dongbaekjungang-ro 16beon-gil, Giheung-gu,
Yongin City, Gyeonggido, South Korea 17015
Branch Office:
606, Seoul Stratup Center, 10,
Noryangjin-ro, Dongjak-gu, Seoul, South Korea 06938
CEOCharlie Park
Corporate #535-86-00664

ⓒ2024 Komachine Inc. All rights reserved.