| 摘要 |
FIELD: oil and gas industry.SUBSTANCE: method of water production zone isolation in a well involves sequential injection of coagulation agent (25% solution of calcium chloride), buffer layer of fresh water, and Givpan acrylic reagent. Additionally, polyethylene terephthalate production waste product, PET with low polymerisation degree, is added to Givpan as a filler in amount of 18-24 wt %.EFFECT: reduced core permeability.1 dwg, 7 tbl, 3 ex |
