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Online continuous detection method and system of water content in wellhead output liquid

A detection system and detection method technology, applied in the direction of measuring devices, material inspection products, instruments, etc., can solve the problems of complex and changeable flow patterns, poor product adaptability, and strong mathematical description, and achieve low cost and high adaptability Effect

Inactive Publication Date: 2020-02-14
DAGANG OIL FIELD GRP +1
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Problems solved by technology

[0002] In the production process of oil wells, the water content of the oil well output fluid is an important indicator. At present, the main method is manual sampling and testing, which takes up a lot of time and labor for the on-site workers. In addition, due to the low sampling frequency, the output fluid cannot be accurately characterized. Water cut: At present, there are experimental products that can automatically measure water cut at the wellhead of oil wells, but the products in use need to be calibrated according to the production conditions before they can be applied, and online measurement is a transient, nonlinear, multi-parameter complex process , the flow pattern is complex and changeable, the interaction between phases is strong, and the mathematical description is strong, so the adaptability of the products in use is very poor, and the measurement accuracy is far from meeting the requirements

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  • Online continuous detection method and system of water content in wellhead output liquid

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Embodiment Construction

[0033] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0034] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, it indicates There are features, steps, operations, parts or modules, components and / or combinations thereof.

[0035] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in ...

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Abstract

The invention discloses an online continuous detection system of a water content in wellhead output liquid. The system is a real-time dynamic processing system of oil well output liquid, which comprises a signal collector sensor based on the Internet of Things and deployed at the wellhead, a high-speed data collection device and an analysis system deployed on a cloud platform, wherein the signal collector sensor realizes real-time data collection; the high-speed data collection device transmits the data collected by the signal collector sensor to the analysis system in real time; and the analysis system generates result flow in real time after receiving the data. Corresponding to the above system, the invention further provides an online continuous detection method of the water content inthe wellhead output liquid. By adopting the online continuous detection method and system disclosed by the invention, the online continuous detection of the wellhead output liquid is realized, and theproblems of poor adaptability, low detection accuracy, calibration difficulty and the like in the one-well-one-meter analysis mode of the existing water content analysis device are changed.

Description

technical field [0001] The invention relates to the technical field of oilfield automation equipment, in particular to an online continuous detection method and system for the water content of wellhead output fluid. Background technique [0002] In the production process of oil wells, the water content of the oil well output fluid is an important indicator. At present, the main method is manual sampling and testing, which takes up a lot of time and labor for the on-site workers. In addition, due to the low sampling frequency, the output fluid cannot be accurately characterized. Water cut: At present, there are experimental products that can automatically measure water cut at the wellhead of oil wells, but the products in use need to be calibrated according to the production conditions before they can be applied, and online measurement is a transient, nonlinear, multi-parameter complex process , the flow pattern is complex and changeable, the interaction between phases is str...

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Application Information

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IPC IPC(8): G01N33/28
CPCG01N33/2823
Inventor 任桂山孙凯景海权刘晴陈学梅钱晓辉苏锋
Owner DAGANG OIL FIELD GRP
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