Device and method for on-line measurement of fluid viscosity
A fluid viscosity and fluid technology, applied in the field of fluid physical property analysis, can solve problems such as viscosity measurement measurement error
Pending Publication Date: 2021-09-14
PETROCHINA CO LTD
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[0003] The embodiment of the present invention provides a device for measuring the viscosity of a fluid (the fluid may be a fluid containing dissolved gas) on-line, so as to solve the technical problem of measurement error in viscosity measurement in the prior art
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[0029] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with the embodiments and accompanying drawings. Here, the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.
[0030] In an embodiment of the present invention, a device for online measurement of fluid viscosity is provided, such as figure 1 As shown, the device includes:
[0031] Fluid high-pressure physical property analyzer;
[0032] The torque sensing assembly 7 is arranged on the fluid high-pressure physical property analyzer, and one end of the torque sensing assembly 7 is connected with the stirring viscometry assembly 3 in the fluid high-pressure physical property analyzer, and the other end of the torque sensing assembly 7 is connected to the The motor 8 in the fluid high-pressure physical pr...
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The embodiment of the invention provides a device and a method for on-line measurement of fluid viscosity. The device comprises a torque sensing assembly arranged on a PVT analyzer, one end of the torque sensing assembly is connected with a stirring and viscosity measuring assembly in the PVT analyzer, the other end of the torque sensing assembly is connected with a motor in the PVT analyzer, a torque generated by measured fluid on the stirring and viscosity measuring assembly is detected, the stirring and viscosity measuring assembly stirs the measured fluid, and the motor provides power needed by stirring for the stirring and viscosity measuring assembly; and calculation equipment in the PVT analyzer is connected with the torque sensing assembly and is used for calculating the viscosity of the measured fluid according to the measured torque. According to the scheme, the viscosity of the fluid is measured based on the PVT analyzer, equipment integration of PVT analysis and viscosity measurement is realized, the analysis efficiency can be improved, measurement errors caused by sample transfer and sample inconsistency caused by multiple measurements can be avoided, and the viscosity measurement precision can be improved.
Description
technical field [0001] The invention relates to the technical field of fluid physical property analysis, in particular to a device and method for online measurement of fluid viscosity. Background technique [0002] In the analysis of reservoir fluid physical properties, the measurement of fluid viscosity is one of the most important indicators. Existing viscosity measurement uses a viscometer that is separated from the fluid high-pressure physical property equipment for viscosity measurement, which will cause sample inconsistencies when the sample is transferred and multiple measurements are made (for example, changes in system temperature and pressure parameters during the sample transfer process may cause sample Inconsistencies) cause measurement errors. Contents of the invention [0003] An embodiment of the present invention provides a device for online viscosity measurement of a fluid (the fluid may be a fluid containing dissolved gas), so as to solve the technical p...
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IPC IPC(8): G01N11/14
CPCG01N11/14
Inventor 苟燕沈德煌连国锋陈君伟刘丰超赵玖任鹏宇
Owner PETROCHINA CO LTD