FIELD: oil and gas industry.
SUBSTANCE: device includes a cylindrical housing with a plug and holes on upper part and is filled below the level of holes with reagent so that a free cavity is formed. In the plug there is a through hole that is covered with a batcher on the outside and with a sleeve filter from polymer material on the free cavity side. A coupling with holes for carry-over of dissolved reagent supplied from free cavity through the batcher is installed on the housing.
EFFECT: permanent uniform supply of reagent to formation liquid.
3 cl, 1 dwg
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