Offshore production – seawater treatment

Adjusting salt levels to make the sea work for you

With enhanced oil recovery methods, often prior to injection sea water needs to be treated to remove or reduce salt content.

FPSO - Treatment
Sulzer’s pumps achieve this by delivering sea water to the SRU / SWRO membrane racks. The configuration of the sea water treatment module will determine which pump type is selected. While BB2 pumps are usually designated for this application, multistage BB3 and BB5 pumps are selected if the membrane requires a higher pressure.
MSD CP BBS BBT-D
Capacities
Up to 3,200 m3/h /
14,000 USgpm
Up to 1,000 m3/h /
4,400 USgpm
Up to 5,000 m3/h /
22,000 USgpm
Up to 2,300 m3/h /
10,000 US gpm
Heads Up to 2,900 m /
9,500 ft
Up to 7,000 m /
23,000 ft
Up to 450m /
1,500 ft
Up to 760 m /
2,500 ft
Pressures
Up to 300 bar /
4,400 psi
Up to 425 bar /
6,250 psi
Up to 50 bar /
740 psi
Up to 100 bar /
1,440 psi
Temperatures Up to 200°C /
400°F
-50°C to 425°C /
-46°F to 800°F
Up to 425 °C /
800 °F
Up to 425 °C /
800 °F

Products
  • BBS and CD between bearings single stage pumps
    The BBS and CD models are API 610 (ISO 13709) type BB2, single stage, radially split pumps. They offer the widest range of hydraulic performance in the industry.

  • BBT/BBT-D process pump
    The BBT/BBT-D 2 stage, radially split ISO 13709 / API 610 Type BB2 pumps offers the widest range of hydraulic performance in the industry. The BBT-D double suction impeller provides reduced NPSH3 for tough services in refineries and other critical applications.

  • CP horizontal radially split multistage barrel pump
    CP ISO 13709 / API 610 Type BB5 radially split barrel casing pumps are used in both high-pressure oil production and high-temperature refinery applications.

  • MSD axially split multistage pump
    The MSD pump has the broadest hydraulic coverage of any BB3 type multistage pump in the market. There are over 10 000 MSD pumps installed in product pipelines, boiler feed, water injection and even nuclear safety-related services around the globe.

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