Surfactant to reduce the negative impact of aqueous solutions in plugging wells.Surface-active substance of the type "Radinol" or equivalent.Depressor for Oil products RENA-2210.RENA-2210 depressant for petroleum products.Demulsifier PM brand A, or similar and Demulsifier PM brand B, or similar.Surfactant of the "Radinol" type or equivalent.Demulsifier and specifically “Disolvan 2830”.Hydraulic fracturing gel.Gel fracturing system (reagents for preparation).Well Buffer Liquid.Antifreeze liquid for automobile windscreen washers.Surfactant for removal of liquid from gas and gas condensate wells