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Vertical three phase asynchronous submersible motor  

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Vertical three phase asynchronous submersible motor

At present, the number of submersible pumps in the USSR is the largest in the world, up to more than 40 thousand, the output accounts for half of the crude oil, and the pump cycle is more than 500D. In the 60s of last century, China began to develop and test the electric submersible pump. In 1981, the technology of submersible pump was formally introduced. It has been well applied in Daqing and Shengli oil fields. According to the statistics, there are nearly 3700 submersible pumps in China in 1996, nearly 1700 in Daqing oilfield, 30% of the total amount of liquid production, 10% of the total number of mechanical wells, ensuring stable production and high yield of oil fields in our country. Today, the electric submersible pump is no longer a single equipment, but a complete set of systems, especially in the manufacture and application of the submersible pump, and the development speed of the application technology is astonishing. In Shengli Oilfield, the oil pump company of Shengli…