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A high-precision real-time online multiphase flowmeter for oil field

A multi-phase flowmeter, high-precision technology, applied in measurement, wellbore/well components, earthwork drilling, etc., can solve problems such as inability to meet oilfield production requirements, and achieve the benefits of oilfield management, production and development cost savings, effective The effect of measurement

Active Publication Date: 2016-10-05
四川速荣科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For many oil wells in the middle and late stages of production, the water cut is generally as high as 90%, so the multiphase flowmeter with large water cut measurement error cannot meet the production requirements of the oil field

Method used

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  • A high-precision real-time online multiphase flowmeter for oil field
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  • A high-precision real-time online multiphase flowmeter for oil field

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Embodiment 1

[0019] The invention is a multi-phase flowmeter which integrates the measurement of oil volume, water volume, gas volume and water content.

[0020] Figure 1(a) is the front view of the overall structure of the high-precision real-time online multiphase flowmeter for oil fields of the present invention, and Figure 1(b) is the overall structure of the high-precision real-time online multiphase flowmeter for oil fields of the present invention. view, figure 2 It is a schematic structural view of the gas-liquid separator in the present invention, image 3 It is a structural schematic diagram of the moisture content measuring instrument in the present invention. In Figures 1 to 3, the high-precision real-time online multiphase flowmeter for oilfields of the present invention includes a gas-liquid separator 2, a float oil-gas three-way regulating valve 3, a liquid flowmeter 5, a moisture content measuring instrument 10, a gas Flowmeter 13, valves, and pipelines; the connection re...

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Abstract

The invention provides a high-precision real-time online multiphase flowmeter for oil fields. The multiphase flowmeter includes a safety valve, a gas-liquid separator, a float oil-gas three-way regulating valve, a liquid flowmeter, a pressure gauge, a water content measuring instrument, a gas flowmeter, valves and pipelines. The gas-liquid separator separates the medium from gas to liquid; the float oil-gas three-way regulating valve ensures the measurement accuracy of the liquid flowmeter and gas flowmeter; the moisture content measuring instrument uses a differential pressure transmitter to measure the moisture content in the liquid. The multiphase flowmeter of the present invention can measure the moisture content of liquids in real time, accurately, quickly and effectively, and the measurement error of the moisture content is less than ±2%. Then, according to the measurement results of the liquid flowmeter and the gas flowmeter, through computer processing, the oil and water can be obtained. , Gas production value. The multiphase flowmeter of the invention can implement production optimization, improve oilfield work efficiency, save oilfield production and development costs, and is beneficial to oilfield management and process control.

Description

technical field [0001] The invention belongs to the field of oilfield metering, and in particular relates to a high-precision real-time online multiphase flowmeter for oilfields. Background technique [0002] In the actual production process of oilfields, how to measure oil, water, and gas production in real time, accurately, quickly and effectively is very important: on the one hand, it can implement production optimization, improve oilfield work efficiency, and save oilfield production and development costs; on the other hand , which is beneficial to oilfield management and process control. [0003] In the actual production process of oil fields, there are many types of multiphase flowmeters for gas, oil, and water, and there are many related patents. However, most of the multiphase flowmeters in the market currently have low measurement accuracy, especially the measurement accuracy of water cut. The error reaches ±10%. For many oil wells in the middle and late stage of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B47/00
Inventor 李绍辉罗德全张伟业代长江吴祉群李斌
Owner 四川速荣科技有限公司
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