Low-shear system improves North Sea Troll produced water

Mokveld Typhoon system on Statoil’s Troll C platform
(Courtesy Mokveld)

Offshore staff

GOUDA, the Netherlands – Mokveld has issued an update on its low-shear Typhoon system, which has been installed on Statoil’s Troll C platform in the Norwegian North Sea.

The system, which controls well fluids from the satellite Fram Vest field, has led to a 60% improvement in produced water quality, Mokveld claims, compared with the conventional choke valve installed in parallel with the unit.

One prototype test delivered improvements of 60-90% water quality, the company added, and another pilot test on Statoil’s Oseberg C platform led to a 45% improvement in water quality.

Typhoon, which reduces shear forces on dispersed liquids, was developed in cooperation with Typhonix. Mokveld claims it provides the simplest and most cost-efficient method of improving separation of mixed liquids, with no need for additional equipment, costly modifications, high heat input, or chemicals.

Further systems are due to be deployed soon in the Dutch North Sea and Gulf of Mexico.


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