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Cryogenic pipeline

Our cryogenic pipe-in-pipe (PIP) technology provides an advanced, reliable, and efficient solution for the transfer of cryogenic liquids at temperatures as low as -253°C

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“Power of Siberia 2”
The power of negotiations

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Pierre OLLIER, Deputy CEO
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Pierre OLLIER, Deputy CEO
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Pierre OLLIER, Deputy CEO
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Pierre OLLIER, Deputy CEO
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Pierre OLLIER, Deputy CEO
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worldmap

Over 30 Years of Piping Success Worldwide

+80

COUNTRIES WORLDWIDE

€1.65 B

IN REVENUE

+150

Employees

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Zero Fatality®

Zero LTI®

SHARP certified

Challenge

The highly viscous bitumen has a minimum flowing temperature of 160°C. A U-value of 0.5W/m2-K is required to minimize temperature drop during operations and to extend cooldown times to for contingency shutdown procedures. An active heating system is needed for standard shutdown temperature maintenance and as a re-heat solution.

The high operating temperature exerts significant loading on the pipelines from  thermal expansion, while space restriction at  the landfalls mean that conventional  expansion spools cannot be used.

Key to success

ITP experience with electrical heat tracing for subsea flowline applications was complemented by its in-house testing capability, which allowed proven concepts to be qualified to the project specification and constraints and confirm the design robustness during the project engineering phase.
The partnership with McConnell Dowell, a company with strong presence in Singapore, facilitated the timely obtention of all required regulatory approvals and ensured the selection of an optimum build and install philosophy.

Finally, a collaborative and transparent approach with ExxonMobil and a clear focus on quality and safety shared by all stakeholders enabled the overcoming of technical and execution challenges and secured the successful delivery of a highly innovative project.

Solution

The combination ITP’s Izoflex thermal insulation and AsphaltAx heat tracing technologies resulted in a system with less than 1°C temperature drop along the line and cooldown times above 45 hours, with indefinite temperature maintenance in shut-down and the capacity to re-heat.

Electrical heat tracing, temperature and pressure monitoring and pipeline integrity monitoring are handled by a standalone control & monitoring module delivered as part of the project scope. Fiber optic cables for temperature sensing and telecommunications purposes are also incorporated in the pipeline system.

The PIP design with strain coupling keeps the onshore footprint limited within the permitted area, with minimal end expansions.

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  • 228°C (460°F) design temperature – hottest subsea pipeline in the world
  • 1,8 km subsea pipeline and 2 x 30 m onshore piping spools for bitumen transportation
  • ITP’s Izoflex HT insulation providing a thermal performance (U-value)< 0.5W/m2-K
  • 4 x 450 m pipe-in-pipe stalks and onshore piping spools
  • Fiber optic technology: temperature sensing & pipeline integrity monitoring with annular pressure monitoring
  • ITP’s Izoflex HT insulation providing a thermal performance (U-value)< 0.5W/m2-K

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  • 228°C (460°F) design temperature – hottest subsea pipeline in the world
  • 1,8 km subsea pipeline and 2 x 30 m onshore piping spools for bitumen transportation
  • ITP’s Izoflex HT insulation providing a thermal performance (U-value)< 0.5W/m2-K
  • 4 x 450 m pipe-in-pipe stalks and onshore piping spools
  • Fiber optic technology: temperature sensing & pipeline integrity monitoring with annular pressure monitoring
  • ITP’s Izoflex HT insulation providing a thermal performance (U-value)< 0.5W/m2-K

“Power of Siberia 2”
The power of negotiations

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ITP Interpipe is led by a team of engineers with a unique expertise in designing and implementing highly performant insulated and heated pipelines systems. We champion all our clients, offering them robust solutions and innovative architectures that allow them to reduce project risks and CAPEX, while increasing their production.

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Our team of experts delivers tailored solutions that optimize performance, enhance safety, 
and maximize efficiency across diverse industries. From concept to completion, we ensure 
your pipeline projects exceed expectations.

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Pierre OLLIER,

Deputy CEO

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Pierre Ollier,

Deputy CEO

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Pierre Ollier,

Deputy CEO

LEARN MORE

Pierre Ollier,

Deputy CEO

LEARN MORE

Pierre Ollier,

Deputy CEO

LEARN MORE

Our history

1998

TOTAL solicits ITP for their Tchibeli project in Congo. An evolution of Dunbar and ETAP, the swaged PIP design delivered is now known as ITP’s standard ITP S-and J-lay PIP

1999

ITP creates a subsea LNG pipeline based on a 36% Ni pipe. ITP’s electrically heat traced flowline (EHTF) also comes to life in 1999. With the PIP’s superior thermal properties, this system can rely on efficient resistive heating.

1995

Shell calls upon ITP for their ETAP development.
To address their challenge linked to High Temperature and High Pressure, ITP uses Izoflex for the first time.

1998

TOTAL solicits ITP for their Tchibeli project in Congo. An evolution of Dunbar and ETAP, the swaged PIP design delivered is now known as ITP’s standard ITP S-and J-lay PIP

1999

ITP creates a subsea LNG pipeline based on a 36% Ni pipe. ITP’s electrically heat traced flowline (EHTF) also comes to life in 1999. With the PIP’s superior thermal properties, this system can rely on efficient resistive heating.

1995

Shell calls upon ITP for their ETAP development.
To address their challenge linked to High Temperature and High Pressure, ITP uses Izoflex for the first time.

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Pierre OLLIER, Deputy CEO

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ITP Insulated Subsea Flowlines

Subsea pipe-in-pipe (PIP) with low U-values enable long or single-line tiebacks for stranded reserves and address the flow assurance challenges of low wellhead temperature, high wax content and hydrate mitigation.

Provide the best insulation in the market

Offer rapid installation

Enhance production

Enable CAPEX savings

Provide the best insulation in the market

Offer rapid installation

Enhance production

Enable CAPEX savings

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Engineering Management

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Project
Management

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Research and Development

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Project
Management

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