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Impulse-differential pressure multiphase flowmeter application principle and method

A technology of multiphase flowmeter and measurement method, applied in the field of multiphase flowmeter products

Inactive Publication Date: 2006-02-01
北京吉隆新源科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the results of multiphase flow meters using the above methods have appeared at home and abroad, the application of new principles and methods has strong adaptability, good stability and high precision (full range accuracy 5%) for direct quantitative measurement of multiphase flowmeters. Flow meter products have always been a blank

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Embodiment Construction

[0010] The present invention will be further described below in conjunction with accompanying drawing.

[0011] The structure diagram of the impulse-differential pressure multiphase flowmeter device is as follows: the main body of the device is divided into upper, middle and lower parts by the upper and lower partitions:

[0012] In Figure 1: 1. Three-phase inlet, 2. Upper partition, 3. Oil-gas-water mixture, 4. Three-phase outlet, 5. Force sensor (top), 6. Differential pressure sensor (top), 7. Oil-water mixture, 8. Lower partition, 9. Force sensor (below) 10. Liquid phase outlet, 11. Differential pressure sensor (below), 12. Oil-gas-water mixture, 13. Three-phase outlet.

[0013] Measuring principles and methods

[0014] The measurement principle and method can be realized by corresponding devices (see attached drawings). When the three-phase mixture of oil, gas and water enters the upper part of the device from the three-phase inlet, the oil-gas-water mixture flows out fr...

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Abstract

The direct flow measurement of multiphase flow containing oil, gas and water is one difficult problem in petroleum industry. Based on the research of impulse-pressure difference theory, two types of multiphase flowmeter are developed. The experiments, simulation and industrial application proves that the type-II multiphase flowmeter reaches the designed precisions and is suitable for industrial application.

Description

technical field [0001] The patent of the invention relates to a high-precision, direct quantitative measurement multiphase flow meter product applying new principles and methods, which is suitable for measuring the flow of various components of mixed multiphase flow of oil, gas and water. Background technique [0002] The three-phase measurement of oil, gas and water can be decomposed into two technical points: one is to regard the three phases as the total amount of liquid phase and two-phase measurement of gas phase, and the other is to measure the liquid phase components. [0003] Considering oil, gas, and water as gas-liquid two-phase flow, the previous measurement methods mainly include: (1) correlation method; (2) volumetric method; (3) throttling method; (4) turbine flowmeter method; ( 5) Laser Doppler method; (6) PIV (PARTICLE IMAGE VELOCIMETER) method; (7) Hot wire, hot film anemometer method; (8) Process Tomography (PT for short); (9) NMR method; (10) direct metho...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F1/20G01F1/34
Inventor 董守平
Owner 北京吉隆新源科技发展有限公司