WELLBORE CONVEYOR DEVICE

摘要

The present invention refers to a wellbore conveyor device for conveying a medium (9) from a wellbore (8), comprising: a drive (2); a pump (3); a shaft (4) which connects the drive (2) to the pump (3); a mechanical seal unit (5), comprising a mechanical seal (50) with a rotating seal ring (51) and a stationary seal ring (52), the mechanical seal (50) sealing on the shaft (4); and an independent supply means (6) which supplies the mechanical seal (50) with a barrier medium, the independent supply means (6), the drive (2), the pump (3), the shaft (4) and the mechanical seal unit (5) forming a compact conveying unit which is fully submersible in the wellbore.