METHOD TO DETERMINE WORKING PARAMETERS OF GAS-LIQUID FLOW IN PIPELINE AND DEVICE FOR ITS REALISATION Russian patent published in 2013 - IPC G01H1/00 G01H3/00 

FIELD: measurement equipment.

SUBSTANCE: gas-liquid flow is sent via a pipeline and its section, on which a device is installed to measure flow parameters and/or a sampling device, and flow parameters are defined using these devices, or a sample is taken for analysis. Besides, in the section of the pipeline upstream the device of parameter measurement by flow or composition of the flow or the sampling device, pressure is increased. The device represents a section in the pipeline for separation of the flow into gas and liquid at the specified pressure with further separate transportation of phases by pipeline branching - a section for gas transportation and a section for liquid transportation with the installed device for liquid flow parameters definition or the device of sampling from any phase for further definition of parameters by analysis of sample parameters, combination of these devices. The section in the pipeline, where the flow is separated into gas and liquid phases with pressure of saturated vapours of more than 500 mm of mercury column, and the section in the pipeline, where the device is installed for definition of parameters by the flow or composition of the flow or for sampling, are installed along with the flow downstream the stage of separation at elevations providing for definition of liquid parameters and sampling at the pressure exceeding the pressure of flow separation into phases.

EFFECT: increased efficiency of flow parameters definition and provision of high accuracy with quantitative and qualitative accounting of liquid pumped along a pipeline.

8 cl, 1 dwg