FIELD: oil and gas industry.
SUBSTANCE: invention relates to oil industry and can be used in well control at oil fields. According to the method, the depth manometer is installed at the pump reception level. On wellhead there installed is ground moisture meter of continuous action. Its readings are taken only after achieving quasi-stationary operating mode of the well and after the portion of the liquid corresponding to the mode reaches the input of the ground moisture meter. Readings of the depth manometer are taken into account relative to the equilibrium state with amplitude of their oscillation ±ΔP, where +ΔP – level recovery pressure in the pipe annulus in downward stroke of the pump piston, and -ΔP – liquid pumping pressure at level reduction in the pipe annulus at upward stroke of the piston. Oil content is reduced by the value determined by the analytical expression.
EFFECT: higher reliability of well watering.
1 cl, 4 dwg
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