Oil well liquid production metering device and method

By using pressure sensors and circuits in oil wells to calculate the liquid production, the problem of large metering errors in the oil wells in the prior art and the inability to detect abnormal situations in time is solved, and higher metering accuracy and adaptability are achieved.

CN111173496BActive Publication Date: 2025-03-18SHANDONG TIANGONG PETROLEUM EQUIP
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Patent Information

Application Number
CN202010021487.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-01-09
Publication Date
2025-03-18
Estimated Expiration
2040-01-09

AI Technical Summary

Technical Problem

The prior art has problems in the measurement of oil well fluid production, such as large metering errors, failure to detect abnormal situations in time, and inability to be suitable for heavy oil wells and special wells.

Method used

An oil well liquid production metering device, including a shell, pressure sensor and circuit, is adopted to obtain the pressure generated when the liquid flows in the ground pipeline through the pressure sensor, and calculate the liquid production in combination with the parameters of the oil pump and the oil well.

Benefits of technology

It improves the calculation accuracy of oil well fluid production and simplifies the mathematical calculation model. It has a simple structure, diverse and easy installation. It can adapt to the metering environment of various oil well fluid production, reduces metering errors, and can promptly detect abnormal situations in the oil well.

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Abstract

The present invention relates to an oil well liquid production metering device and method, wherein the device comprises a housing, a pressure sensor and a circuit; wherein the housing comprises a component cavity and a sensor cavity, wherein the sensor cavity is connected to a ground pipeline; the pressure sensor is arranged in the sensor cavity, and is configured to sense the liquid pressure generated when the liquid flows in the ground pipeline; the circuit is arranged in the component cavity, and comprises a data processing module and an information output module, wherein the data processing module is electrically connected to the pressure sensor, and is configured to obtain the oil well liquid production based at least partially on the liquid pressure in the ground pipeline sensed by the pressure sensor; the information output module is connected to the data processing module, and is configured to output an indication of the oil well liquid production. The present invention improves the calculation accuracy of the oil well liquid production, simplifies the mathematical calculation model, has a simple and diverse structure, and can adapt to various oil well liquid production metering environments.
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