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An oil well desanding device based on pulse jet technology and cyclone separation mechanism

A technology of pulse jet and cyclone separation, which is applied in the fields of production fluids, wellbore/well components, earth-moving drilling, etc., can solve the problems of increasing oil and gas field production, unfavorable continuous production of oil wells, etc., and achieves the effect of convenient storage.

Active Publication Date: 2020-12-08
SHANDONG UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These two kinds of sand fishing operations can remove the sand in the oil and gas wells to a certain extent, and the sand fishing efficiency is high. However, in actual operation, the wellhead needs to be emptied and the sand fishing equipment should be put into the wellhead for operation, which is not conducive to the continuous operation of the oil well. Enhanced production and production of oil and gas fields

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  • An oil well desanding device based on pulse jet technology and cyclone separation mechanism
  • An oil well desanding device based on pulse jet technology and cyclone separation mechanism
  • An oil well desanding device based on pulse jet technology and cyclone separation mechanism

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Embodiment 1

[0043] Below in conjunction with accompanying drawing and the present invention is further described:

[0044] This embodiment relates to an oil well sand removal device based on pulse jet technology and cyclone separation mechanism. Its main structure includes a pulse jet sand pumping system, a ground buffer system, a three-phase cyclone degassing and sand removal system, and connecting pipelines. , control system and power system,

[0045] combine figure 2 with Figure 10, to describe this embodiment in detail, the pulse jet sand pumping system is the only equipment in the present invention that needs to go deep into the well, and its main structure includes an air compressor 1, a first pressure gauge 2, a first flow meter 3, and a first switch valve 4. The jet pump 5, wherein the air compressor 1, the first pressure gauge 2, the first flow meter 3, the first switch valve 4, and the jet pump 5 are connected in sequence through pipelines, and the first pressure gauge 2 is ...

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Abstract

The invention belongs to the field of oil well drilling and workover development, and particularly relates to an oil well sand removal device based on a pulsed jet technology and a hydrocyclone separation mechanism. The main structures of the oil well sand removal device include a pulsed jet sand pumping system, a ground buffer system, a three-phase hydrocyclone deaeration and sand removal system,a connecting pipeline, a control system and a power system. A jet pump is adopted to change traditional hydraulic sand washing into hydraulic sand suction, during the downhole sand removal operation,working fluid enters the jet pump at a high speed from a working fluid inlet pipe and passes through a throat pipe of the jet pump at a high speed, a low pressure area in which the pressure is lowerthan the pressure in a well is formed inside the throat pipe, so that mixed fluid mixed up with a large amount of sand is sucked into the jet pump, and high-speed fluid does not carry part of oil gas,sand and the like to rush into an oil reservoir to damage the formation structure and affect the exploitation of petroleum and the like; and the system can realize the intelligent control over a whole sand removal system, greatly reduces the labor intensity of workers and improves the sand removal efficiency of a downhole and the yield of an oil well.

Description

Technical field: [0001] The invention belongs to the field of oil well drilling and workover development, and specifically relates to an oil well desanding device based on pulse jet technology and a cyclone separation mechanism. The system includes three cyclone degassing and desanding systems, and does not need to vent the wellhead during operation. Greatly improved the efficiency of drilling and workover. Background technique: [0002] During the construction and exploitation of wellheads such as oil wells, solid particles (sand) will inevitably be produced. If the sand is not cleaned up in time, it will cause wellbore blockage, etc., which will lead to production reduction or even shutdown of oil and gas wells. In response to this problem, many experts and scholars have studied several sand removal methods for this problem. Generally, it can be divided into two methods: hydraulic sand washing and mechanical sand removal. However, these sand removal and sand removal proc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B43/38
CPCE21B43/38
Inventor 刘冰李伦操王华健徐丽萍赵振江韦尧尧王新龙张新新侯俊凯孙伟华陈金刚赵永杰李涛周婷婷李栋
Owner SHANDONG UNIV OF SCI & TECH
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