Intelligent differential pressure alarming filter device

A filter and intelligent technology, applied in the direction of filtration and separation, chemical instruments and methods, separation methods, etc., can solve the problems affecting the wellhead back pressure and production of oil wells, high work intensity, and inadequate supervision, etc., so as to reduce the labor intensity of employees, Improve the degree of automation and the effect of simple construction technology

Inactive Publication Date: 2016-10-12
XIAN CHANGQING TECH ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the complexity of the incoming liquid, the filter is often blocked, resulting in no liquid entering the subsequent process equipment. If the blockage is not cleared for a long time, the downstream equipment will not work normally and affect the wellhead back pressure and production of the oil well. To

Method used

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  • Intelligent differential pressure alarming filter device

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0026] Example 1:

[0027] Such as figure 1 As shown, an intelligent differential pressure alarm filter device includes a filter 4, which is characterized in that it also includes an inlet control valve 1, an outlet control valve 2, a bypass control valve 3, and a pressure monitoring instrument 5. The inlet of the filter 4 is connected to one end of the inlet control valve 1 through a pipe, the outlet of the filter 4 is connected to one end of the outlet control valve 2 through a pipe, and the other ends of the inlet control valve 1 and the outlet control valve 2 are respectively connected to the bypass control through a pipe At both ends of the valve 3, the pressure monitoring instrument 5 is connected in parallel with the filter 4, and the pressure monitoring instrument 5 is electrically connected to the station control system 6. .

[0028] The present invention monitors the differential pressure value ΔP at the inlet and outlet of the filter 4 through the pressure monitoring i...

Example Embodiment

[0037] Example 2:

[0038] On the basis of Example 1, the filter 4 is a blue filter for pipelines. The basket filter is a small device that removes a small amount of solid particles in the liquid. When the fluid enters the filter cartridge with a certain filter screen, its impurities are blocked, and the clean filtrate is discharged from the filter outlet. When cleaning is required, As long as the detachable filter cartridge is taken out and reinstalled after treatment, it is extremely convenient to use and maintain. A filter screen is set in the filter 4 to remove impurities and dirt carried in the conveying fluid.

Example Embodiment

[0039] Example 3:

[0040] On the basis of embodiment 1, the pipes connecting the inlet control valve 1, the outlet control valve 2 and the bypass control valve 3 are steel pipes, and the inlet control valve 1, the outlet control valve 2 and the bypass control valve Valve 3 is a manual steel wedge gate valve. The steel wedge gate valve has the advantages of small flow resistance, small opening and closing torque, short structure length, and unlimited medium flow.

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Abstract

The invention discloses an intelligent differential pressure alarming filter device, which comprises a filter, wherein an inlet of the filter is connected with an inlet control valve through a pipeline; an outlet of the filter is connected with an outlet control valve through a pipeline; a bypass control valve is connected between the inlet control valve and the outlet control valve; the filter is connected in parallel with a pressure monitoring instrument; the pressure monitoring instrument is electrically connected with a remote computer control center. Through setting a pressure difference alarming threshold value in the computer control center, the monitoring is implemented on a pressure difference between the front and the back of the filter in an on-line manner; the alarming is carried out on overpressure data; the status that the running of a downstream process device is influenced as the manual patrol inspection is not in-position and the filter is blocked for a long time is avoided; further, a construction process is simple; the operation is convenient; the labor intensity of a worker is drastically decreased; the degree of automation is improved; the digitized development and building requirements of an oil field are met.

Description

Technical field [0001] The invention belongs to the technical field of crude oil gathering and transportation on the surface of an oil field, and particularly relates to an intelligent differential pressure alarm filter device. Background technique [0002] The oil well produced fluid contains a large amount of silt and has an impact on the heating and separation equipment of the oil field gathering station. In order to ensure the normal operation of the separation equipment of the gathering and transportation station, the gathering and transportation station is equipped with filters before processing to filter the incoming fluid from the oil well. Due to the complexity of the incoming liquid, the filter is often blocked, resulting in no liquid in the subsequent process equipment. If the blockage is not cleaned for a long time, the downstream equipment will not work properly and affect the wellhead back pressure and production of the oil well. To avoid such accidents , Oil produ...

Claims

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Application Information

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IPC IPC(8): B01D35/143
CPCB01D35/1435
Inventor 冯宇霍富永林罡郭刚姬蕊杨博范原搏王昌尧王青
Owner XIAN CHANGQING TECH ENG
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