Crude oil water-content metering analysis system

An analysis system, crude oil technology, applied in the direction of material analysis, material analysis by electromagnetic means, measuring devices, etc., to achieve the effects of high measurement accuracy, multiple sampling times, and prevention of splashing

Inactive Publication Date: 2014-05-21
CHINA PETROLEUM & CHEM CORP +2
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  • Abstract
  • Description
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Problems solved by technology

There are many methods for measuring the water content of crude oil in the domestic petrol

Method used

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  • Crude oil water-content metering analysis system
  • Crude oil water-content metering analysis system
  • Crude oil water-content metering analysis system

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Embodiment Construction

[0023] In order to make the above and other objects, features and advantages of the present invention more comprehensible, preferred embodiments are listed below and described in detail in conjunction with the accompanying drawings.

[0024] Oil and water have the characteristics of incompatibility and the fact that oil is light and water is heavy. The crude oil with high water content will form oil-water mixed layer continuous phase and water layer continuous phase after static precipitation. The water content analyzer in the present invention utilizes the difference in dielectric constant between oil and water, uses the capacitive reactance method to measure the height of the liquid level and the height of the oil-water interface, and then measures the water content in the oil-water mixed layer to calculate the water content of the oil sample.

[0025] Such as figure 1 as shown, figure 1 It is a structural diagram of the crude oil water content measurement and analysis sys...

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Abstract

The invention provides a crude oil water-content metering analysis system which includes a sampling controller, a sampler, a sample barrel and a water-content analyzer, the sampler is connected to the sampling controller and a pipeline, is controlled by the sampling controller to take out samples for a plurality times from the pipeline, and conveys the samples to the sample barrel, the sample barrel is connected to the sampler, and is used for the storage of the samples, the water-content analyzer is connected to the sample barrel, and is used for water-content analysis of the samples in the sample barrel to detect the water content of the samples. The crude oil water-content metering analysis system has the advantages of the plurality times of sampling, multi-layer sampling, limit of a liquid to flow back to the pipeline, and outlet antisplash function during the sampling, and also has the advantages of short measuring time, high measuring precision, whole sample analysis, simple operation, reducing of energy consumption and air pollution and the like during the sample analysis.

Description

technical field [0001] The invention relates to a water content measurement and analysis system in oil and a wellhead automatic sampling system, in particular to a crude oil water content measurement and analysis system. Background technique [0002] The accuracy of the water content test of crude oil in oilfield production fluid plays a very important role in timely grasping the production status of oil wells, optimizing reservoir production parameters, adopting scientific operation measures, realizing crude oil production pressure transmission, and improving oil recovery. There are many methods for measuring the water content of crude oil in the national oil industry. The traditional manual measurement method is mainly through the method of distillation test. From the perspective of distillation alone, the measurement accuracy of distillation test method is high. In the case of produced fluid (high water content), there are many problems, such as: poor sampling representat...

Claims

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Application Information

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IPC IPC(8): G01N27/00G01N1/16
Inventor 杜怀栋杜衍华郑志受江文军孟祥波李力民宫俊峰王杰西文良高素然郭静吴忠晓赵慧敏
Owner CHINA PETROLEUM & CHEM CORP
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