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Oil field petroleum flow measurement system based on TDC-GP2

A flow measurement and petroleum technology, which is used in the measurement of flow/mass flow, liquid/fluid solid measurement, measurement devices, etc. It can solve the problems of low accuracy and high damage rate of mechanical structure, and achieve the effect of good measurement effect.

Inactive Publication Date: 2014-01-29
CHENGDU KESHENG PETROLEUM TECH
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  • Abstract
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AI Technical Summary

Problems solved by technology

Due to the different design principles and mechanical structures, these flowmeters have their own shortcomings, and their accuracy is not very high. In comparison, ultrasonic flowmeters have more significant advantages, and they have higher measurement accuracy. Between 2% and 5%, while the accuracy of other flowmeters is generally above 5%, and the damage rate of the mechanical structure is much higher than that of the ultrasonic flowmeter.

Method used

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  • Oil field petroleum flow measurement system based on TDC-GP2

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Such as figure 1 shown.

[0017] The oil field oil flow measurement system based on TDC-GP2 is mainly composed of a power supply circuit and a time-to-digital conversion chip connected to the power supply circuit, a single-chip microcomputer, a memory, a signal processing circuit, and an analog switch circuit. The signal processing circuit and the analog switch circuit are all interconnected through the bus; the analog switch circuit is also connected with the ultrasonic sensor 1 and the ultrasonic sensor 2 .

[0018] The bus is also connected with a data playback circuit, and the data playback circuit is connected with the single-chip microcomputer through the bus. The data playback circuit includes a MAX3232 chip, and the MAX3232 chip is also provided with an RS232 interface.

[0019] The time-to-digital conversion chip is also connected with a temperature sensor.

[0020] Described single-chip microcomputer adopts the single-chip microcomputer of model MSP430F2274....

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Abstract

The invention discloses an oil field petroleum flow measurement system based on TDC-GP2. The oil field petroleum flow measurement system is characterized in that the oil field petroleum flow measurement system is mainly composed of a power circuit, a time-digit conversion chip, a single-chip microcomputer, a memorizer, a signal processing circuit and an analog switch circuit, the time-digit conversion chip, the single-chip microcomputer, the memorizer, the signal processing circuit and the analog switch circuit are connected with the power circuit, the time-digit conversion chip, the single-chip microcomputer, the signal processing circuit and the analog switch circuit are all connected with one another through a bus, and the analog switch circuit is further connected with an ultrasonic sensor 1 and an ultrasonic sensor 2. The oil field petroleum flow measurement system has a good measurement effect, high measurement accuracy and high stability.

Description

technical field [0001] The invention relates to oil monitoring, in particular to a TDC-GP2-based oil field oil flow measurement system. Background technique [0002] With the rapid development of my country's economy, the demand for oil is increasing, so many oil fields in my country have adopted various methods to increase oil and gas production. For example, major oil fields have set up their own research institutes to make full use of the advantages of their own talents and funds to develop the instruments urgently needed for drilling and logging in oil fields. Many oil fields, especially those in the eastern and northeastern regions that have been exploited for a long time, carry out secondary recovery of oil wells to increase oil and gas production and so on. For secondary recovery of oil wells, downhole water injection is a widely used and efficient method. Now oilfields have higher and higher requirements for water injection technology, and in recent years, downhole...

Claims

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Application Information

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IPC IPC(8): G01F1/66
Inventor 贺昶明
Owner CHENGDU KESHENG PETROLEUM TECH
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