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Speed-increasing electric submersible pump

A technology of submersible electric pump and speed increaser, applied in the direction of pump, pump device, pump element, etc., can solve the problem of difficulty in increasing the displacement and head, and achieve the effect of uniform liquid discharge

Inactive Publication Date: 2013-03-20
SHAANXI ZHONGMING ENERGY INVESTMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the problem that conventional electric submersible centrifugal pumps are difficult to increase displacement and head due to the limitation of pump diameter, the present invention aims to propose a speed-up submersible electric pump

Method used

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  • Speed-increasing electric submersible pump

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Embodiment Construction

[0007] A speed-increasing submersible electric pump according to the present invention comprises a hollow cylindrical cavity, an oil pipe is arranged inside the cavity, and the lower part of the oil pipe is sequentially connected with a multi-stage centrifugal pump, a separator, an upper protector, a speed increaser, Lower protector and motor. When operating, the motor is turned on through the power supply, the motor drives the speed increaser to work, and then the speed increaser drives the separator to rotate, and the separator is used to realize separation. At the same time, the present invention is equipped with protectors on the upper and lower parts of the accelerator, which are protected by the protectors. accelerator.

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Abstract

The invention relates to a power device, in particular to an electric submersible pump for separating. A speed-increasing electric submersible pump comprises a hollow cylinder cavity, wherein an oil pipe is arranged inside the cavity, the lower part of the oil pipe is sequentially connected with a multistage centrifugal pump, a separator, an upper protector, a speed increasing gear, a lower protector and a motor. The speed-increasing electric submersible pump is uniform in discharging liquid, can form an enough oil flow speed in the oil pipe, generates a higher wax holding capacity, and has a remarkable effect during deep well production in a high water flooding well, a high-yield well, a shallow well and a medium-deep well.

Description

technical field [0001] The invention relates to a power device, in particular to a submersible oil centrifugal pump for separation. Background technique [0002] With the development of drilling technology, the number of inclined wells and horizontal wells is increasing. In order to ensure that the electric pump will not be permanently deformed when passing through the curved section, the length of the electric pump should be shortened as much as possible. In addition, in order to increase the output, the displacement must be increased. Due to the limitation of length and casing diameter, it is difficult for ordinary electric pumps to meet this requirement. Contents of the invention [0003] Aiming at the problem that conventional electric submersible centrifugal pumps are difficult to increase displacement and head due to the limitation of pump diameter, the present invention aims to propose a speed-up electric submersible pump. [0004] The speed-increasing submersible ...

Claims

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Application Information

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IPC IPC(8): F04D13/08F04D29/00
Inventor 王梅玫
Owner SHAANXI ZHONGMING ENERGY INVESTMENT