Oil sand mining

Extraction of deep oil sand deposits via in-situ mining is growing in importance. Established processes to accomplish this are CSS (Cyclic Steam Stimulation) and SAGD (Steam-Assisted Gravity Drainage), which involve liquefying the bituminous oil mass by injecting hot steam so that it can be pumped with multiphase pumps.

The eccentric screw and twin screw pumps used for this task are placed under enormous loads as are their seals. In extreme scenarios, the service life of conventional seals is just two weeks. Our innovative DiamondFace coating of the seal faces allows us to achieve much longer operation times.

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