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MSI completes measurement programme for Greek FSRU and pipelines

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LNG Industry,

Metocean Services International (MSI) has announced that it has successfully completed a 520-day measurement programme for the Alexandroupolis Independent Natural Gas System (INGS) in Greece.

The project consists of an offshore LNG FSRU and a subsea and onshore gas transmission pipeline system, and will supply natural gas into the Greek and Southeast European gas markets.

With commercial operations expected to commence in 2022, the project is being implemented by GASTRADE S.A. – a company that studies, designs, develops, operates and exploits infrastructures necessary for the reception, transmission and distribution of natural gas, as well as for its storage, liquefaction and regasification.

To support the detailed design of the project, GASTRADE reportedly contracted MSI to collect a range of metocean data. This included directional waves and current profiles at two locations (one at the proposed FSRU location and one nearshore at a pipeline crossing), as well as various meteorological parameters onshore. Originally deployed in November 2017, the equipment was recovered in May this year, with four interim site visits to check on equipment status, as well as to collect water samples for suspended sediment concentration and photograph bio-fouling for identification.

MSI claims that the equipment provided comprised two AXYS TRIAXYS directional wave buoys, each of which was fitted with an integrated Nortek Aquadopp current profiler, as well as a Campbell Scientific weather station onshore for measurement of winds, air pressure, air temperature, relative humidity and rainfall. According to the statement, data from both the wave buoys, as well as the weather station, was transmitted in real-time to a website for the client to access. Data collected from the project was provided to BMT to produce a metocean criteria report.

The data collection exercise was supported by a number of organisations: the Alexandroupolis Port Authority, which provided a suitable location for the installation of the weather station and facilities for MSI to store and maintain the equipment; BMT for the derivation of the metocean criteria; and Lwandle Technologies for the identification of bio-fouling. MSI claims that it worked closely alongside excellent local vessel and diving operators.

On behalf of GASTRADE, Konstantinos Sifnaios, Project Director, said: “MSI provided excellent services, meeting our company’s requirements and standards. The results of the survey will be used to optimise the detailed design of the project.”

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