Understanding Electrical Submersible Pump for Oil Mining

ESP or electrical Submersible is akind of pump that used for oil lifting. Basically is a electrical pump that can work when it submersible and can work in hazard area (high temperature).
In general an ESP use squirrel cage induction motor to drive the pump. Their power rating lay between 20 hp to almost 170 hp (1 hp is 746 watt). You can get further information about ESP in Sclumberger or REDA website.

Oil exploration company is the main user. They ussulay use a VSD or variable speed drive to drive ESP , even in some company also a VSD untuk drive motor compreesor. Bellow is image an ESP when it mounted in a oil well:

image source :www.oiljetpump.com