MULTIPHASE FLOW MEASURING DEVICE, MULTIPHASE FLOW MEASUREMENT METHOD AND PROGRAM

To grasp the volume flow rate per component of a multiphase flow in real time by a simple configuration.SOLUTION: Provided is a multiphase flow measuring device characterized by comprising: a measured value acquisition unit for acquiring at least a mass flow measured value and density measured value from a Coriolis flowmeter that measures a measurement object fluid that includes oil and accompanying water from a petroleum production well, and the temperature measured value of a temperature sensor that measures the temperature of the measurement object fluid; and a volume flow rate calculation unit for calculating a gas volume flow rate and a liquid-phase volume flow rate on the basis of the mass flow and density measured values from the measured value acquisition unit, and calculating the volume flow rate of each of the oil and the accompanying water on the basis of the temperature measured value acquired from the measured value acquisition unit.SELECTED DRAWING: Figure 2 【課題】混相流の成分毎の体積流量を簡易な構成でリアルタイムに把握する。【解決手段】石油生産井からの石油と随伴水とを含む測定対象流体を測定するコリオリ流量計からの少なくとも質量流量計測値および密度計測値、測定対象流体の温度を測定する温度センサの温度計測値を取得する計測値取得部と、この計測値取得部からの質量流量計測値および密度計測値に基づいてガス体積流量と液相体積流量を算出し、液相体積流量と、計測値取得部により取得した温度計測値に基づいて、石油と随伴水の各体積流量を算出する体積流量算出部とを設けたことを特徴とする混相流測定装置。【選択図】図２