ESPs have established themselves over many years in a flow-boosting role when sited downhole in a well. Centrilift is a specialist provider of such systems.

The boosting systems are to be sited in caissons at the mudline in two deep-water systems that Shell has ordered.

Five vertical booster stations will be installed at the operator's Perdido Hub development in the Gulf of Mexico, and the other six are destined for the BC-10 project off Brazil.

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