ADAPTIVE METHOD OF DEFINITION OF RESIDUAL (FREE) GAS CONTENT AT GROUP GAGE UNITS Russian patent published in 2010 - IPC E21B47/10 G01F15/08 

FIELD: oil-and-gas production.

SUBSTANCE: method is in alternate changing of mass and density, previously separated from gas liquid, gas mass and inclusion volume fraction of water and oil of each well, passed correspondingly through mass counters of liquid, gas and continuous drymetre during fixed time space, with recalculation into daily output agreeably by mass velocity crude oil (water-oil mixture), mass velocity of oil and volume flow of oil gas. Novelty of method is in definition of residue (free) gas content by formula . On conditions that difference between and changes to the value , where correspondingly is calculated and medium measured densities of oil-water-gas mixture, W - average watering of water-oil mixture, measured by continuous drymetre, Δ ρ_abc - absolute accuracy of densimetre instrumentation. Further numerical value K_g can be used for updating of oil mass M_og in oil-water-gas mixture and volume V_g of residue free gas.

EFFECT: higher consumer properties in comparison to known already technical decisions.

2 cl, 1 dwg