The sealing segment and adjacent funnel-shaped end may together form an hourglass-shaped end.
An electrical submersible pump assembly has a pump, a motor and a seal section with a labyrinth chamber.
A guide tube surrounds a drive shaft in the seal section and contains lubricant in fluid communication with lubricant in the motor.
At least one impervious segment (20) positioned in the lumen overlies the abrading portions of the device to shield and buffer the catheter from the abrading portions.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k, -2000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k, -2000k,
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