Oil, gas, water and sand four-phase separation integrated device

A phase separation and three-phase separator technology, applied in the fields of filtration and separation, separation methods, chemical instruments and methods, etc., can solve the problems affecting the separation effect of equipment, long installation and commissioning period, and large floor space, so as to improve equipment reuse. Utilization, compact structure, space saving effect

Active Publication Date: 2021-02-05
西安恒旭科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the process of use in recent years, some problems have also been exposed, such as long installation and commissioning period, large footprint, inconvenient migration, sand accumulation and serious corrosion of equipment, which affect the separation effect of equipment, etc.

Method used

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  • Oil, gas, water and sand four-phase separation integrated device
  • Oil, gas, water and sand four-phase separation integrated device
  • Oil, gas, water and sand four-phase separation integrated device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] see figure 1 , an integrated device for four-phase separation of oil, gas, water and sand, comprising: a skid seat 70, a crude oil inlet pipe 80, a first sand removal filter 90, a liquid inlet pump 100, a sand removal cyclone 110, a flushing Sand assembly 20 , sand discharge box 30 , three-phase separator 40 and discharge pipe assembly 120 . The crude oil inlet pipe 80 is fixed on the skid seat 70 , and the crude oil inlet pipe 80 is connected to one end of the first desanding filter 90 . The first sand removal filter 90 is fixed on the skid 70 , and the other end of the first sand removal filter 90 is connected to the liquid inlet of the liquid inlet pump 100 . The liquid inlet pump 100 is fixed on the skid base 70 , and the liquid outlet of the liquid inlet pump 100 is connected with the desanding cyclone 110 . The sand removal cyclone 110 is fixed on the skid seat 70 , and the sand removal cyclone 110 is connected to the liquid inlet on the top of the tank body 41 ...

Embodiment 2

[0074] Such as figure 2 As shown, this embodiment further defines an integrated device for four-phase separation of oil, gas, water and sand on the basis of the first embodiment, and further includes: a second sand removal filter 130 . The second sand removal filter 130 is fixed on the skid seat 70, one end of the second sand removal filter 130 is connected with the crude oil inlet pipe 80, and the other end of the second sand removal filter 130 is connected with the liquid inlet of the liquid inlet pump 100. port connection. In this embodiment, the first sand removal filter 90 and the second sand removal filter 130 can work alternately, and when one of the sand removal filters is shut down for cleaning, the other sand removal filter can work normally, ensuring continuous operation of the system.

[0075] Further, as figure 2 As shown, a four-phase separation integrated device for oil, gas, water and sand also includes a first valve 131, a second valve 132, a third valve ...

Embodiment 3

[0086] Such as image 3 As shown, this embodiment further defines an integrated device for four-phase separation of oil, gas, water and sand on the basis of the first and second embodiments, and further includes: a sand limiting plate 10 . In this embodiment, the tank body 41 of the horizontal three-phase separator 40 can be sequentially divided into three sections for three-phase separation treatment of crude oil, namely a pre-separation section, a separation and settlement section, and a stabilization section. The sand limiting plate 10 is fixed at the end of the pre-separation section in the tank body 41 of the three-phase separator 40, the two ends of the sand limiting plate 10 are fixedly connected with the inner wall of the tank body 41, and the bottom end of the sand limiting plate 10 is connected to the tank body. The bottom of 41 is fixedly connected, and there is a certain distance between the top of sand limiting plate 10 and the top of tank body 41 . The sand limi...

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PUM

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Abstract

The invention discloses an oil, gas, water and sand four-phase separation integrated device which comprises a prying seat, a crude oil inlet pipe, a first sand removal filter, a liquid inlet pump, a sand removal cyclone, a sand washing assembly, a sand discharging box, a three-phase separator and a discharging pipe assembly. The crude oil inlet pipe is fixedly arranged on the prying seat and is connected with one end of the first sand removal filter; the first sand removal filter is fixedly arranged on the prying seat, and the other end is connected with a liquid inlet of the liquid inlet pump; the liquid inlet pump is fixedly arranged on the prying seat, and a liquid outlet is connected with the sand removal cyclone; the sand removal cyclone is fixedly arranged on the prying seat and is connected with a liquid inlet in the top of a tank body of the three-phase separator; the sand washing assembly is connected with the tank body; the sand discharging box is fixedly arranged on the prying seat; the tank body is fixedly arranged on the prying seat and is connected with the discharging pipe assembly; and the discharging pipe assembly is fixedly arranged on the prying seat and is positioned outside the tank body. The three-phase separator and equipment matched with the three-phase separator are arranged on the prying seat, the structure is compact, the occupied area is small, and the space is greatly saved.

Description

technical field [0001] The invention belongs to the technical field of oilfield crude oil separation equipment, and in particular relates to an integrated device for separating four phases of oil, gas, water and sand. Background technique [0002] At present, in the field of oil and gas gathering and transportation, the three-phase separator is one of the most important core equipment in the surface engineering construction of oil and gas fields. The advanced process technology shortens the process chain of production equipment, simplifies the process flow, reduces management and investment costs, and has been applied on a large scale in the production and construction of oil fields. However, in the process of use in recent years, some problems have also been exposed, such as long installation and commissioning period, large footprint, inconvenient migration, sand accumulation and serious corrosion of equipment, which affect the separation effect of equipment, etc. Content...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G53/02B01D36/04
CPCC10G53/02B01D36/045
Inventor 鲁礼民唐鹏叶东妮孔庆伟
Owner 西安恒旭科技股份有限公司
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