Working Standard for Unit of Mass Flow Rate of Gas-Liquid Mixtures 2nd Grade
Working standard for unit of mass flow rate of gas-liquid mixtures 2nd grade is designed for reproduction, storage and transfer of the unit of mass flow rate of liquid as part of gas-liquid mixtures, volumetric flow rate of gas as part of gas-liquid mixtures, referred to standard conditions, in accordance with GOST 8.637-2013.
ADVANTAGES
- reproduction of units of mass flow rate of liquid and volumetric flow rate of gas;
- measurement of liquid and gas phase flow rates using Coriolis flow meters;
- measurement of gauge pressure and temperature of working medium;
- measurement of water content (indirect method);
- implementation of dynamic and cyclic methods for multiphase flow measurement;
- increased reliability of results due to design solution;
- capability to simulate various operating modes of installation, flow rate ranges and characteristics of formation fluid;
- calibration interval: 12 months.
TECHNICAL SPECIFICATIONS
- mass flow rate range of liquid as part of GLM: from 0.1 to 24 t/h;
- volumetric flow rate range of gas as part of GLM (at standard conditions): from 40 to 250 m³/h;
- error in measuring mass flow rate of liquid: not exceeding ±1.5%;
- error in measuring volumetric flow rate of gas: not exceeding ±3.0%;
- measured medium: oil-gas-water mixture;
- density range of working medium: from 700 to 1360 kg/m³;
- water volume fraction in working medium: from 0.01 to 99.99%;
- oil simulator volume fraction: from 0.01 to 99.99%;
- gas volume fraction: from 0.01 to 99.99%;
- temperature of working medium: from 0 to +95 °C;
- pressure of working medium: not exceeding 4.0 MPa;
- ambient temperature: from −60 to +40 °C;
- relative humidity: from 15 to 80%.
FIELD OF APPLICATION AND EXPERIENCE
Installation consists of technological unit, control cabinet and personal computer (laptop) with “WLSM” software. Data collection and processing means from measuring instruments are located in the control cabinet. The standard is used for verification and calibration of measuring instruments for mass flow rate of multiphase flows in the oil and gas production industry.
