MATERIALS | PRESSURE PIPE
Right: Strohm has won its “largest commercial award” to supply TCP flowlines to TotalEnergies EP Brasil
the remains of walls and buildings. For this reason, the original construction plan of pipe-bursting through the existing 450mm cast iron pipe had to be converted to an open trench method. The Egeplast pipe was chosen because diffu- sion-tight pipes are required by the municipality for projects below certain height curves – and has already been used successfully in various projects. In this case, the contractor used around 700m of pipe with a 560mm outside diameter and SDR 11 in 13.4 m sticks. To ensure a smooth process and optimal
installation, there was close cooperation between Egeplast and the contractor. “The constant exchange and cooperation in all
project phases give a feeling of security in the joint projects,” said Kine Homleid Johansen, project manager for the municipality of Stavanger. Steg Entreprenør, the construction company that supplied and welded the pipes, has also worked with Egeplast on a number of burst lining projects in Norway and Sweden. Sondre Dammen, head of the NoDig depart-
ment at Steg Entreprenør, added: “We are always satisfied with Egeplast’s service and the flexibility with which quick solutions are always found.”
Carbon transfer Strohm, which manufactures thermoplastic composite pipe (TCP), has added carbon dioxide transfer to its portfolio.
Right: Egeplast SLA pipe replaced a cast iron pipe to bring fresh water to a community in Norway
The company has qualified its first product in the
area, following several years of development and testing. By combining polyvinylidene fluoride (PVDF) and carbon fibre, the company can offer jumpers and flowlines for use in harsh environment carbon capture and storage (CCS) applications. With the addition the PVDF product, Strohm says it has completed its materials portfolio for CCS. The pipe is suitable for injecting CO2 offshore, both in depleted gas fields and aquifers, says Strohm. PVDF has a long track-record in oil and gas, with a high chemical resistance and tempera- ture capability. “It has taken more than 15 years to be able to
offer a TCP product based on carbon fibre and PVDF – a momentous breakthrough for us,” said Martin van Onna, CEO of Strohm. Separate to this, Strohm recently won a contract to supply TCP flowlines to TotalEnergies EP Brasil. It says this is its largest commercial award for pipe supply in its history – and a first project in the Brazilian pre-salt. Due for installation in 2026 at a water depth of 2,200 meters, the solution has been chosen for the first time for flowlines installed in ultra-deep water, says Strohm. The system will be used for an offshore field
located in the Santos Basin in the Brazilian pre-salt area. “This marks a major step change in the offshore
industry,” said Renato Bastos, vice president of Strohm in Brazil.
With an inner diameter of 6in and a 600-bar design pressure, the TCP flowline will be used for gas injection in water depths of 2,200 meters. It will be installed using a standard pipelay support (PLSV) vessel, as are operating currently in Brazil.
14 PIPE & PROFILE EXTRUSION | Autumn 2024
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IMAGE: EGEPLAST
IMAGE: STROHM
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