FIELD: oil and gas industry.
SUBSTANCE: method for determination of gas flow rate and gas factor of product of well operating under intake pressure below saturation pressure includes measurement of annular pressure and dynamic level of fluid in annular space, oil density under standard conditions, temperature and gas solubility factor with correcting factor. Well flow rate is measured as per fluid, also water content, change of annular pressure and dynamic level upon closed annular valve and time of measurement are measured. Gas flow rate and gas factor are determined as per change of gas volume in annular space considering condition of equality of saturation pressure all over the level of pump suction. At that gas flow rate and searched value of gas factor are determined as per presented mathematical expressions.
EFFECT: improving accuracy and providing possibility of determination of gas flow rate and gas factor in wells with intake pressure below saturation pressure.
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