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Differential pressure type crude oil condensation point measuring device and method

A measuring device and differential pressure technology, which is applied in the investigation stage/state change and other directions, can solve the problems of inability to timely reflect the parameters of crude oil in pipeline transportation, low efficiency, etc., and achieve the effects of simple structure, convenient operation and small damage degree.

Inactive Publication Date: 2017-05-10
CHINA UNIV OF PETROLEUM (EAST CHINA)
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AI Technical Summary

Problems solved by technology

[0004] However, the current measurement method needs to sample and test the crude oil transported by the pipeline. The thermal history and shear history during the sampling process will definitely affect the freezing point of the crude oil, and this measurement method is not efficient and cannot reflect the crude oil transported by the pipeline in time. parameters

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  • Differential pressure type crude oil condensation point measuring device and method
  • Differential pressure type crude oil condensation point measuring device and method

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Embodiment Construction

[0020] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described below in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited thereto.

[0021] Such as figure 1 As shown, the novel differential pressure type crude oil freezing point measuring device provided by the present invention includes: the test pipe section 1, the temperature control system 2, the gas storage tank 3, the inlet pressure gauge 4, the outlet pressure gauge 5, the intake valve 6, Inlet meter valve 7, outlet meter valve 8, oil inlet valve 9 and oil outlet valve 10.

[0022] The inlet of the test pipe section 1 is connected to the gas storage tank 3 through the inlet valve 6, and connected to the inlet pressure gauge 4 through the inlet meter valve 7, and the outlet of the test pipe section 1 is connected to the outlet pressure gauge 5 through the ou...

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Abstract

The invention discloses a differential pressure type crude oil condensation point measuring device and method and belongs to the technical field of oil gas automatic metering. The device comprises a testing tube section, a temperature controlling system, a gas storage tank, pressure gauges, a valve and a matched pipeline, wherein the gas storage tank is connected with the testing tube section so as to provide a gas source and regulate the pressure in the testing tube section, the whole testing tube section is located in the temperature controlling system to regulate the temperature during testing, the inlet pressure gauge and the outlet pressure gauge are connected with the testing tube section to test the pressure change at an inlet and an outlet, and the crude oil condensation point is judged according to the pressure difference of the inlet and the outlet. The method uses the device to measure the condensation point. The device is simple in structure, convenient to operate and capable of accurately measuring the condensation point of crude oil with pressure, and the oil structure destruction degree of the method using the device during measuring is smaller than that of a traditional measuring method.

Description

technical field [0001] The invention belongs to the technical field of automatic measurement of oil and gas, and in particular relates to a device and method for measuring the solidification point of crude oil by pressure difference. Background technique [0002] In recent years, with the continuous and high-speed development of my country's economy, the domestic demand for crude oil has also continued to increase, and the development of crude oil pipelines has also been relatively rapid. Safe and efficient pipeline oil transportation can reduce the operating cost of the oil industry, save energy and reduce consumption. For crude oil pipelines, the freezing point of crude oil is an important parameter. The accuracy of its measurement is not only related to the energy saving and consumption reduction of petroleum product storage and transportation, but also an important basis for its flow safety. [0003] The freezing point of crude oil refers to the highest temperature at w...

Claims

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Application Information

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IPC IPC(8): G01N25/04
CPCG01N25/04
Inventor 李传宪杨爽杨飞阎孔尧魏国庆
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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