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Tube type sand scraping oil well pump

A technology for oil well pumps and sand scraping, which is applied to variable capacity pump parts, pumps, pump components, etc., can solve problems such as oil well pump jamming and crashes, and achieve the effects of increasing oil pumping output, saving accessories and consumables, and improving service life

Inactive Publication Date: 2018-08-17
JIANHU LONGXIN PETROLEUM MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the defects and deficiencies of the existing oil well pumps, the present invention provides a tubular sand scraping oil well pump, especially a tubular sand scraping oil well pump equipped with an upper scraping device, which solves the problem of the oil well pump being stuck and dead,

Method used

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  • Tube type sand scraping oil well pump
  • Tube type sand scraping oil well pump
  • Tube type sand scraping oil well pump

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] exist figure 1 , figure 2 Among them, the present invention includes an upper moving ball cover (1), an upper sealing ball (2), an upper sealing ball seat (3), an upper fixed valve joint (4), an upper moving valve joint (5), a plunger (6 ), pump barrel (7), mid-moving valve cover (8), middle sealing ball (9), middle sealing ball seat (10), sealing seat cover (11), middle fixed valve joint (12), lower fixed valve Cover (13), lower sealing ball (14), lower sealing ball seat (15) and lower fixed valve joint (16); it is characterized in that it also includes an upper scraping device (17), and the upper scraping device (17) The device is between the upstream floating ball cover (1) and the upstream floating valve joint (5); the lower screw port (17-5) of the upper scraping device (17) is connected with the upper floating valve joint (5), and the up...

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Abstract

The invention relates to a tube type sand scraping oil well pump, in particular to a tube type sand scraping oil well pump with an upper scraping through device. The problem that an oil well pump is stuck and halted is solved. According to the technical scheme, the upper scraping through device which can scrape sand is arranged between an upper travelling spherical cover and an upper travelling valve connector on the basis of an existing conventional oil well pump structure, and therefore sand in crude oil on the upper portion of a plunger cannot enter the space between the plunger and a pumpbarrel, the problem that due to the fact that the sand in the crude oil is precipitated, the oil well pump is stuck and halted is effectively solved, the plunger and the pump barrel can be protected,the effect of prolonging the service life is achieved, and the purposes of reducing the faults and improving the oil extraction efficiency are achieved.

Description

technical field [0001] The invention relates to an oil production equipment in an oil field, in particular to a tubular sand scraping oil pump. Background technique [0002] The oil pump is a common oil pumping equipment for pumping the crude oil in the well to the ground. The existing oil pump mainly consists of an upper moving ball cover, an upper sealing ball, an upper sealing ball seat, an upper fixed valve joint, and an upper moving valve joint. , plunger, pump barrel, middle-swimming valve cover, middle sealing ball, middle sealing ball seat, sealing seat cover, middle fixed valve joint, lower fixed valve cover, lower sealing ball, lower sealing ball seat, lower fixed valve joint The oil pumping method is to lift the crude oil from a low place to a high place through the up and down movement of the plunger and pump the crude oil from the bottom of the well to the top of the well and out of the well, because the sand contained in the crude oil is easy to accumulate and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B53/14F04B47/00E21B37/02E21B43/00B23P15/10
CPCF04B53/14B23P15/10E21B37/02E21B43/00F04B47/00
Inventor 李东辉王俊新王俊力陈习报苗国华
Owner JIANHU LONGXIN PETROLEUM MASCH CO LTD
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