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Method and device for measuring oil content of oil well produced liquid

The technology of a metering device and metering method is applied in the direction of volume flow measuring device, measuring device, volume metering, etc., which can solve the problems of long time for oil well metering, failure to meet metering requirements, and high labor intensity, so as to improve metering accuracy, The effect of reducing measurement errors

Inactive Publication Date: 2012-10-03
WEIHAI HAIHER TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The advantage of this technical solution is that the structure is simple and the cost is low. It can easily measure the liquid production of the oil well within the timing time or per unit time, but it cannot measure the respective production of crude oil and water within the timing time. It needs to be sampled through the oil well. The crude oil production of the oil well is calculated by manually measuring the water content. Due to the great uncertainty of the sampling time and the oil sample itself, not only the oil well measurement takes a long time and is labor-intensive, but also the accuracy of the measurement cannot be guaranteed. Can not meet the requirements of the oil field for oil well metering

Method used

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  • Method and device for measuring oil content of oil well produced liquid
  • Method and device for measuring oil content of oil well produced liquid
  • Method and device for measuring oil content of oil well produced liquid

Examples

Experimental program
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Effect test

Embodiment 1

[0032] like figure 1 As shown, an oil well output liquid oil content metering device is provided with a vertical separation tank 1, and an oil well output liquid input pipeline 2 and a liquid output pipeline are respectively arranged on the upper part, the lower part and the top of the separation tank 1. 3. The gas output pipeline 4 is provided with a liquid inlet valve 201, a liquid discharge valve 301, and an exhaust valve 401 on the oil well output fluid input pipeline 2, the liquid output pipeline 3, and the gas output pipeline 4 respectively; The tank is also provided with a liquid level meter 5 for monitoring the liquid level, which is characterized in that: the separation tank 1 is also provided with several oil-water component measuring instrument probes 6, which can successively measure the horizontal liquid level layer where the probes are located. For the measurement of oil content or water content, the probe 6 of the oil-water composition measuring instrument is mo...

Embodiment 2

[0037] like figure 2 As shown, a metering device for oil content of oil well output fluid is characterized in that the probes 601, 602, 603, etc. of the oil-water composition measuring instrument are mounted on the top of the separation tank 1, and Features are the same as in Example 1.

Embodiment 3

[0039] A metering device for oil content of oil well produced fluid, characterized in that the probes 601, 602, 603, etc. of the oil-water composition measuring instrument are integrated with the liquid level meter 5 into a device 56, and The top is mounted on the separation tank 1, and other features are the same as in Embodiment 1.

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Abstract

The invention relates to a method and a device for measuring oil content of oil well produced liquid. The device comprises a vertical separation tank. An oil well produced liquid input pipeline, a liquid output pipeline and a gas output pipeline are arranged on the separation tank and are respectively arranged at the upper part, the lower part and the top part of the separation tank. A liquid inlet valve, a liquid discharge valve and a gas discharge valve are respectively arranged on the oil well produced liquid input pipeline, the liquid output pipeline and the gas output pipeline and are respectively used for controlling the input of the oil well produced liquid and the output of liquid and gas. A liquid level indicator is additionally arranged on the separation tank and is used for measuring the level of liquid in the separation tank. A plurality of oil and water component measuring instrument probes are additionally arranged on the separation tank and can be used for sequentially measuring the oil content of horizontal liquid level layers where the probes are arranged. The simple measuring separation tank is used for realizing the measurement of the oil well produced liquid, the measurement of net production of crude oil is realized at the same time and the actual demand of oilfield production is met.

Description

technical field [0001] The invention relates to a method and a device for measuring the oil content of the output fluid of an oil well in an oil field. Specifically, it is a tank-type method and device for multi-phase separation and layer-by-layer detection of oil well produced fluid. Background technique [0002] In the production process of the oil field, the raw liquid produced from the oil well is a mixed liquid composed of crude oil, water and associated gas, which can be referred to as the oil well produced liquid. Before the oil well production fluid is transported to the oilfield joint station for centralized treatment, it needs to be measured according to the three-phase composition of oil, water and gas, referred to as single well measurement, especially the oil production of the oil well, so as to timely Master the production conditions of each oil well and conduct production scheduling reasonably. [0003] The existing single well metering technology in the oil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/74G01F7/00G01F15/08
Inventor 王其明
Owner WEIHAI HAIHER TECH
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