Umm Lulu platform offshore Abu Dhabi to include titanium alloy pumps

Offshore staff

WOODBRIDGE, UKAmarinth has delivered four sodium hypochlorite dosing pumps manufactured in titanium alloy to ADMA-OPCO.

These will be deployed on the offshore Umm Lulu field development, 30 km (18.6 mi) northwest of Abu Dhabi.

The project is part of an initiative to lift the country’s crude production to 3.5 MMb/d by 2017.

Sodium hypochlorite is highly corrosive so traditional super-duplex materials cannot be used. Contractor Cumberland had considered using plastic components on the pumps but ruled this out due to reliability issues.

To minimize corrosion from the sodium hypochlorite, Amarinth proposed using titanium alloy for all wetted parts, including the casing, impeller, and shaft.

The company sourced the material through its supply chain and then worked with its foundry in Sheffield, northern England, on the casting process, said to be problematic for titanium. The four pumps have since been manufactured and assembled and will be commissioned on the offshore Umm Lulu platform during the first half of this year.


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