Siemens Providing Power, Compressor Packages For Brazilian Vessel

By CT2 Staff12 April 2018

Siemens Power and Gas, including its Dresser-Rand business, received an order for four SGT-A35 gas turbine power generation packages and two SGT-A35-driven DATUM CO2 compressor packages for MODEC’s Sépia floating production, storage, and offloading (FPSO) vessel.

The vessel will be deployed at the Sépia field operated by Petrobras, located in the giant “pre-salt” region of the Santos Basin approximately 250 km off the cost of Rio de Janeiro, Brazil. In addition, Siemens will provide long-term service and maintenance for the supplied components.

MODEC is responsible to engineer, procure, construct, mobilize, install, and operate the FPSO. The equipment is scheduled for delivery in late 2018. Once operating in 2021, the FPSO is expected to process 180,000 barrels per day (bpd) of crude oil and have a storage capacity of 1,400,000 barrels of crude oil.

Siemens said it will use its global network to manufacture and package an integrated solution for MODEC. For power generation on the vessel, Siemens will supply four SGT-A35 gas turbine power generation packages. The SGT-A35 aeroderivative gas turbine (formerly the Industrial RB211), coupled with an MT30 2-pole synchronous power turbine from the marine Trent engine, has millions of hours of proven experience. The SGT-A35 RB gas turbine offers reliability and availability that is so critical to this type of remote installation, the company said.

In addition, two SGT-A35-driven DATUM compressor trains will reinject CO2 to more than 250 bar. With the DATUM compressor’s high-pressure and high-density compression technology, the total footprint can be reduced when compared to a conventional compression and pumping module. This attribute makes the technology uniquely suited for offshore applications such as an FPSO where space and weight are critical factors, the company said.

“The advanced technology offered by our new offshore SGT-A35 turbine package, our extensive experience with Petrobras’ FPSO projects, and the well-documented success of our DATUM CO2 compressor technology were key to secure this important project,” said Matthew Chinn, head of New Equipment Solutions for the Dresser-Rand business. “In addition, for the next two decades our world-class services team will help ensure the long-term optimal performance of the equipment.”

This project represents MODEC’s 13th FPSO/FSO vessel in Brazil and its sixth FPSO in the Pre-Salt region. These units will join Siemens and the Dresser-Rand business’ installed fleet of 128 aeroderivative gas turbines and 189 compressors operating offshore Brazil today

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