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1.含水分析仪、流量计及密度计安装的前后顺序对油气分离器或三相分离器出口的原油进行计量时,不少油田将含水分析仪或密度计装在罗茨流量计之后,甚至装在出油阀之后,这是不妥当的。因为原油流经过滤器和罗茨流量计的压力损失,一般大于原油的灌注头,所以原油在罗茨流量计之后要发生气化;出油阀的控制压差一般在0.05MPa左右,再加上原油流经过滤器和罗茨流量计的压降;总的压力损失
1. Aqueous Analyzer, Flow Meter, and Density Meter Installation Before and after the order of the oil or gas separator or three-phase separator exports of crude oil for measurement, many oil-field analyzers or densitometers installed in the Roots flow meter, or even Installed in the valve out, this is not appropriate. Because the pressure loss of crude oil flowing through the filter and the Roots flowmeter is generally greater than that of the crude oil, the crude oil is gasified after the Roots flowmeter; the control pressure difference of the oil outlet valve is generally around 0.05 MPa, Pressure drop of crude oil flowing through the filter and Roots flowmeter; total pressure loss