Pressure-varible cantrol system simplifies well testing in China

Since 1995, more than 60 new multiphase metering units have been installed in Chinese oil fields.Click here to enlarge imageA new low-cost measuring unit simplifies well testing in Chinese oil fields. Shengli Engineering & Research Institute (SERI) developed the new unit that is easy to operate and provides a large measurement range not influenced by pressure, temperature, density, viscosity, and sand content. Click here to enlarge imageThe unit consists of a two-phase separator, an oil-gas regulator, a mass flowmeter, and an intelligent spiral-vortex gas flowmeter (Fig. 1). The two-phase separator divides the well stream into liquid and gas.The mass flowmeter measures the mass flow r...

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