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Oil gas water flow measurement system possessing automatic control device

A technology of measurement system and automatic control device, which is applied in the direction of fluid velocity measurement, measurement, and measurement devices, which can solve the problems of large oil-water density difference, inconvenience, and large gas-oil ratio, so as to avoid water channeling and ensure accuracy.

Inactive Publication Date: 2013-05-15
ANTON OILFIELD SERVICES (GRP) LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Tarim high-pressure condensate gas well has a large gas-oil ratio (2000m 3 / t above), large oil-water density difference (nearly 0.4t / m 3 ) and other characteristics, it is difficult to obtain representative oil-water mixed samples in the existing technological process, and it is impossible to grasp the water content and change trend of a single well, and it is impossible to correctly analyze the dynamic analysis of reservoir development and timely adjust the development plan, which seriously affects the reservoir development effect and Timely supporting of oil and gas treatment system
At the same time, due to the inaccurate determination of moisture content, anti-corrosion measures cannot be effectively taken
[0003] It can be seen that the above-mentioned existing oil-gas-water flow measurement system obviously still has inconvenience and defects in structure and use, and needs to be further improved urgently.

Method used

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  • Oil gas water flow measurement system possessing automatic control device
  • Oil gas water flow measurement system possessing automatic control device
  • Oil gas water flow measurement system possessing automatic control device

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Embodiment Construction

[0028] In order to further explain the technical means and effects that the present invention adopts to achieve the intended purpose of the invention, the specific implementation and structure of the oil-gas-water flow measurement system with automatic control device proposed according to the present invention will be described below in conjunction with the accompanying drawings and preferred embodiments. , features and their effects are described in detail below.

[0029] see figure 1 Shown is a schematic flow chart of an embodiment of the oil-gas-water flow measurement system with an automatic control device of the present invention. The oil, gas and water flow measurement system with automatic control device is used to measure the flow of oil, gas and water in a single well, which includes: metering manifold P1013, used to transport oil-water-gas mixture materials; high and low pressure control device 500, set on metering manifold P1013 ; Three-phase non-separated flowmete...

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Abstract

The invention relates to an oil-gas-water flow measurement system which is provided with a self-control device and comprises a metering portal pipe used for conveying the oil-gas-water mixture material, a high-low pressure control device arranged on the metering portal pipe, an integrated three-phase flow meter which is arranged on the metering portal pipe and positioned behind the high-low pressure control device, a site secondary instrument connected with the integrated three-phase flow meter and used for supplying power for the integrated three-phase flow meter, collecting the electrical signal of the integrated three-phase flow meter and calculating the flow rates of oil, gas and water three phases and an industrial control computer which is connected with the site secondary instrument through a communication cable and used for displaying the flow rates of oil, water and gas in real-time and storing the flow rate data of oil, water and gas. The integrated three-phase flow meter comprises a venturi device, a conductivity measuring sensor, a capacitance measuring sensor and a Gamma densimeter. The oil-gas-water flow measurement system has the advantages of accurately measuring the water content of the condensate oil of the high-pressure condensate gas well, realizing the online monitoring of the oil gas well and becoming more practical.

Description

technical field [0001] The invention relates to a flow measurement system in the field of oil exploitation, in particular to an oil, gas and water flow measurement system with an automatic control device. Background technique [0002] At present, during the development of high-pressure condensate gas fields, there has always been the problem that the water content in condensate oil cannot be accurately measured. Condensate gas centralized processing stations usually use gas-liquid separators, flow meters and analytical tests to measure oil, gas and water. Tarim high-pressure condensate gas well has a large gas-oil ratio (2000m 3 / t above), large oil-water density difference (nearly 0.4t / m 3 ) and other characteristics, it is difficult to obtain representative oil-water mixed samples in the existing technological process, and it is impossible to grasp the water content and change trend of a single well, and it is impossible to correctly analyze the dynamic analysis of reser...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B47/00G01F1/44G01P5/08
Inventor 田刚李卫吉万成夏志刚李国娜
Owner ANTON OILFIELD SERVICES (GRP) LTD
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