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Tipping bucket type crude oil water content online monitoring device and online monitoring method

A monitoring device and measurement method technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of low measurement accuracy and complicated process, and achieve the effect of simple principle, low cost and low cost

Inactive Publication Date: 2014-12-17
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Programmable crude oil water content analyzer uses distillation, control and temperature control devices to test the content of distilled water to obtain the water content of crude oil. The process is complicated and the measurement accuracy is relatively low.

Method used

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  • Tipping bucket type crude oil water content online monitoring device and online monitoring method
  • Tipping bucket type crude oil water content online monitoring device and online monitoring method
  • Tipping bucket type crude oil water content online monitoring device and online monitoring method

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Embodiment

[0023] The online monitoring device of the present invention includes an exhaust port 1, a partition plate 2, a liquid inlet 3, a middle hole 4, a tipping bucket 5, a liquid discharge port 6, a sewage discharge port 7, a sensor 8, a quality sensor 9, a data processing and monitoring device 10, Central axis 11, tank body 12 and base 13:

[0024] The top of the tank body 12 is provided with an exhaust port 1 , and the upper part of the tank body 12 is provided with a horizontal partition 2 . A liquid inlet 3 is provided on the side wall of the tank body 12 above the partition 2 . A horizontal central axis 11 is provided on the inner wall of the tank body 12 below the partition 2, and the mass sensor 9 is connected to the central axis 11, and the tipping bucket 5 connected to the sensor 8 can rotate 90° around the central axis 11. A data processing and monitoring device 10 is provided on the outer wall of the tank body 12 , a liquid discharge port 6 is provided on the bottom sid...

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Abstract

The invention discloses a tipping bucket type crude oil water content online monitoring device and an online monitoring method. The device and the method are designed for crude oil water content online monitoring at the same time of oil well metering. The tank body of the device is equipped with an exhaust port, a liquid inlet, a liquid outlet, a sewage outlet and a data processing and monitoring instrument. A center shaft in the tank body is connected to a mass sensor and a tipping bucket able to make 90-degree rotation around the center shaft. Within a certain period of time, the accumulated total volume and total mass of the liquid inverted by the tipping bucket are measured and recorded, the water content of crude oil within the time period can be calculated by combining the crude oil density and the water density. The device provided by the invention has precise measurement performance, can carry out crude oil water content online monitoring at the same time of oil well metering. With the advantages of simple principle and low cost, the device can improve the automation degree and timeliness of water content monitoring, simplify the workload of on-site manual sampling testing, and reduce the labor intensity of workers.

Description

technical field [0001] The invention relates to an on-line monitoring device and an on-line measurement method for the water content of crude oil with a tipping bucket, and belongs to the technical field of digital oil recovery in oil fields. Background technique [0002] At present, the monitoring devices for water content of crude oil mainly include automatic monitors for water content of crude oil, on-line monitors for low water content of crude oil, and programmable crude oil water content analyzers. [0003] The automatic monitoring instrument for water content of crude oil uses the difference in X-ray absorption intensity between oil and water to measure the water content of crude oil. The equipment is relatively complicated and the cost is high. [0004] The crude oil low water content on-line monitor measures the water content of crude oil by installing sensors at different positions on the side wall of the measuring pipeline, and adopts a dual-energy and double-beam...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N5/00
Inventor 辛宏朱天寿甘庆明杨海涛李明张磊韩二涛杨瑞
Owner PETROCHINA CO LTD
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