METHOD FOR REAGENTS SUPPLY AND DEVICE FOR ITS REALIZATION Russian patent published in 2021 - IPC E21B37/06 

FIELD: oil and gas industry.

SUBSTANCE: group of inventions relates to the field of oil production, in particular to methods of supplying reagents to the well and ground equipment. Method includes placing the device with the reagent in the wellbore or in the inside of the tubing of the surface oilfield equipment, dissolving the reagent with the produced liquid. As the device for feeding the reagent, a sectional container is used, consisting of at least one section with at least one external and at least one internal dispenser installed in the section, the internal dispenser/internal dispensers forming at least two chambers filled with reagents and arranged in series with respect to the external dispenser in the section or with respect to the mixing chamber, equipped with an external dispenser, or in the chambers of the section there are external dispensers with different capacity.

EFFECT: it is possible to apply a variable-in-time method to the dosage of the reagent or reagents into the wells and ground equipment during their operation.

16 cl, 2 dwg