FIELD: oil and gas industry.
SUBSTANCE: method includes the device with chemical location in the wellbore or at tube side of the surface oil production equipment, chemical dissolving by the produced liquid. As the device for supplying the reagent, a chamber container is used consisting of at least one chamber with at least one external and at least one internal metering device installed in each chamber, some of which are internal or external, made adjustable, and the second is uncontrolled, while the said chambers being filled with a reagent.
EFFECT: possibility of application of an adjustable method of feeding the reagent into wells that are withdrawn from drilling, or after fracturing, or after major overhaul of wells, or in other wells where the parameters of deep pumping equipment or wells are limitedly used to adjust the device, reliability increases, on the setting.
10 cl, 2 dwg
