Device and method for measuring density of oil-water mixed solution and flow of pure oil
A technology of oil-water mixing and measuring device, which is applied in the field of measurement, can solve problems such as the influence of density measurement accuracy, and achieve the effect of accurate pressure difference and simple calculation
Pending Publication Date: 2018-11-06
孙玘凡
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Problems solved by technology
[0004] The purpose of the invention is to solve the influence of the density change of the measured medium and the friction force on the accuracy of the density measurement, and the problem of calculating the oil-water ratio by measuring the density of the mixed liquid in the pipeline
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[0069] like figure 1 As shown, the oil-water mixture density and pure oil flow measuring device includes: a first horizontal pipeline 6, a first vertical pipeline 7, a second horizontal pipeline 8, a second vertical pipeline 9 and a third horizontal pipeline 10 connected in sequence , the length of the first vertical pipeline 7 is equal to that of the second vertical pipeline 9; The meter 2 is connected to the first vertical pipeline 7 through the first vertical pressure-taking hole and the second vertical pressure-taking hole, and the distance between the first horizontal pressure-taking hole and the second horizontal pressure-taking hole is equal to the first vertical pressure-taking hole. The distance between the pressure-taking hole and the second vertical pressure-taking hole, the flowmeter 3 is arranged on the third horizontal pipeline 10 , and the temperature measuring element 4 is arranged in the second vertical pipeline 9 .
[0070] Wherein, the inner surface finish ...
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The invention discloses a device and a method for measuring the density of an oil-water mixed solution and the flow of pure oil. The device comprises a pipeline unit and a differential pressure measurement unit, wherein the pipeline unit comprises a first horizontal pipeline and a first vertical pipeline which are sequentially connected, the differential pressure measurement unit comprises a firstdifferential manometer and a second differential manometer, the first differential manometer is connected with the first horizontal pipeline through a first horizontal pressure opening and a second horizontal pressure opening, the second differential manometer is connected with the first vertical pipeline through a first vertical pressure opening and a second vertical pressure opening; the density of the mixed solution is calculated according to the measured first differential pressure value and the second differential pressure, and the flow of the pure oil is then calculated according to thedensity of the mixed solution; the device solves the problems that the density change of a measured medium and the frictional force affect the measurement accuracy of the density and the oil-water proportion is calculated by measuring the density of the mixed solution in the pipeline.
Description
technical field [0001] The invention belongs to the technical field of measurement, and more specifically relates to a device and method for measuring the density of an oil-water mixture and the flow rate of pure oil. Background technique [0002] In the existing oil and gas production, it is necessary to measure the density of the oil-water mixture and the flow rate of each component. The measured value is an important parameter in the production process. There are a wide range of technical requirements. However, in the actual oil and gas production, the density of the oil-water mixture is constantly changing due to the constant change of the oil-water mixing ratio in the oil-water mixture, which makes the density measurement value inaccurate; Friction causes the value measured by the traditional differential pressure flowmeter to deviate from the actual value. In summary, although there is a wide range of technical requirements for the measurement of the density of oil-w...
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IPC IPC(8): G01N9/26
CPCG01N9/26
Inventor 孙玘凡冀文峰
Owner 孙玘凡