Crude Transfer

The separated crude is stored on production site before transport. From storage, the crude oil will be either pumped through a pipeline to the refinery or transfered onto ships, railcars or trucks. In order to operate crude storage facilities safe and reliable, Leistritz Screw Pumps are used for crude transport and cleaning.

Crude Tranfer 
Leistritz Crude Circulation Pumps L3 and L4

Leistritz Crude Circulation Pumps L3 and L4

Settlement of wax and other substances on the inside surface is reducing the nominal diameter of crude oil pipelines on production side. Leistritz Screw Pumps are employed to flush the pipework with crude oil from the storage tanks on a regular base. Beside Leistritz L4-series Pumps, L3-series with screws and liners of special design are used in many applications.

Leistritz Pipeline Start-Up Pumps L3 and L4

Leistritz Pipeline Start-Up Pumps L3 and L4

High pressure Triple Screw Pumps, series L3, or high pressure Twin Screw Pumps, series L4, are installed as pipeline start-up pumps. These pumps are required when the main pipeline pumps cannot overcome the friction losses during start-up of a crude oil pipeline. Leistritz serves applications with up to 100 bar boost pressure.

Leistritz Crude Transfer Pumps L2, L3 and L4

Leistritz Crude Transfer Pumps L2, L3 and L4

For pumping crude oil through pipelines to a refinery or to ships, railcars or trucks, crude oil transfer pumps are required. Leistritz Screw Pumps are capable of handling wide viscosity and pressure ranges at flow rates up to 4000 m3/h. Screw Pumps, series L4, are typically used as crude oil transfer pumps. L3-series Triple Screw Pumps and L2-series Twin Screw Pumps are used for special transfer applications.

Leistritz Crude Stripping Pump L4

Leistritz Crude Stripping Pump L4

Large crude oil transfer pumps with big port sizes are not particularly suited to empty storage tanks completely. Smaller Leistritz Screw Pumps, series L4, either in submerged design or dry mounted, must be used. With their excellent suction capability they remove heavy products with high viscosity and high solids content from the bottoms of the storage tanks. A special screw design along with a wide range speed control reduce the NPSHR values of these pumps to a minimum.

Leistritz Tank Cleaning Pump L4

Leistritz Tank Cleaning Pump L4

Crude oil storage tanks must be cleaned on a regular base. Leistritz Screw Pumps, series L4, handle these often high viscous residues consisting of heavy oil sludge and solids. Special Tungsten Carbide coating of the screws and Stellite coating on the liners protect the pumps against excessive wear and increase the service life considerably.