Safe-Freeze®

0 Reviews

0 Followers

0 Likes

Deployed by 1 company

Temporary barrier creation

Page last modified

August 1 2024

Avoid costly shutdowns and keep your pipelines flowing with Safe-Freeze®.

This innovative isolation tool allows for the temporary isolation of pipelines to create a safe and reliable barrier for repairs, maintenance, and modification work to be carried out without disrupting your entire system.

Here's what makes Safe-Freeze® the perfect solution:

Pressurised System – Built as a pressure retaining vessel with MAWP of 6Barg.
Engineered Solution - The jacket's patented design is built to Sound Engineering practice, complies with the PED 2014/68/EU, and is proof tested to ASME VII Div1 code.
Non-invasive: There is no requirement to drain down a system reducing the volume of fluid disposal.
Safe and Reliable: Controlling the temperature ensures the ice plug is strong and can withstand high pressures. Safe-Freeze® works on most pipeline materials and sizes, from small diameter pipes to large 30-inch lines and won't harm the pipe's integrity.
Minimal Disruption: No need for a complete system shutdown! Once the work is finished, we simply stop the flow of Nitrogen, allowing the ice plug to thaw and normal operation to resume. This minimises downtime and keeps your production running smoothly. The plug is 100% guaranteed to disperse when operations are complete.

Safe-Freeze® is the key to efficient and cost-effective pipeline maintenance. Contact us today to learn more!

Pros & Limitations

Creates a safe temporary barrier without full system shutdown

Can be used on pipe dimensions from 0.78in to 30in

Full control of temperature to prevent surface damage

Can withstand high differential pressures during freezing

The pipe wall thickness needs to be determined before deciding to commence Safe-freezing operations. Thick-walled pipelines require longer freezing times. Thin-walled pipelines increase the risk of cracking due to brittle fracturing and stress caused by the plug. There should be a minimum of 90% of the original wall thickness of the pipe to allow for Safe-Freezing.

The pipeline contents need to be considered. Different fluids freeze at different temperatures, some may require extremely low temperatures before they will freeze. Fluids with high impurities or additives can affect the freezing point and the plug formation. Any flow in the pipe can impede the formation of a solid ice plug.

Specification

Specification Title	Specification Description
Dimensions	From 0/78in (tubing) to 3in pipes
Materials	All metals used in petroleum industry
Flow Media	Fresh water, Sea water, Oils, Diesel, Gels
Temperatures	-150°C and lower
Pressures	As per system piping specifications