METHOD OF MEASUREMENT OF FLOW RATE OF TWO-PHASE THREE-COMPONENT MEDIUM Russian patent published in 2014 - IPC G01F1/20 

FIELD: oil and gas industry.

SUBSTANCE: invention relates to oil and gas industry and namely to methods of oil well debit determination without preliminary gas separation from the well production. Method of measurement of flow rate of two-phase three-component medium includes measurement of flow velocity, flow sounding by acoustic pulses, registration of pulses passing through the medium by a receiver in a limited controlled volume of the flow that is formed by a pair of "emitting source - receiver", recording travelling time of pulses through the controlled volume, consideration of pressure and temperature effect on travelling time of pulses in oil and water saturated with gas, processing of measurement results in compliance with known objective laws. At that in the process of oil well operation within the mode set by the project of deposit development the operating range of pressure and temperature is determined for the controlled flow volume in multiphase flow metre, part of the flow consisting of oil, water and gas mixture is directed to a separator where oil and water samples are taken at separation pressure exceeding the maximum pressure in the pressure operating range for the controlled flow volume.

EFFECT: reducing labour intensity and measurement error while measuring component-wise flow rate of the oil well production.