FIELD: physics, measuring.
SUBSTANCE: invention can be used in the petroleum industry for measuring of oil-water-gas intermixtures. The method includes following stages: perform electromagnetic measuring of losses and a phase in two directions of a pipe. On the basis of these measuring determine degree of formation of a ring stream. On the basis of effects of two previous stages, including updating depending on degree of formation of a ring stream, calculate an inductivity of the specified intermixture; measure density of an intermixture and correct the found value depending on degree of formation of a ring stream. Obtain values of temperature and pressure; determine velocity of the fluid and gas and on the basis of known values of densities and inductivities of builders of a fluid intermixture and with use of the effects gained at the previous stages, calculate volume and mass rates of flux of the intermixture components. The method is realised by a rate-of-flow indicator containing one transmitting antenna and two accepting antennas, located in the same traversal section of tubular section, and one transmitting antenna and two accepting antennas spatially parted in a dilatational direction of tubular section, and also density gauge on the basis of uptake of γ-radiation or pressure drop measuring in the Venturi tube.
EFFECT: increase of measuring accuracy in the conditions of a ring stream and in case of major concentration of gas in the middle of a pipe, without prestress intermixing, with use simple actually nonintrusive constructions.
21 cl, 17 dwg
