| 摘要 |
FIELD: oil producing industry, particular, compounds for regulation of formation permeability and water shutoff in producing wells. SUBSTANCE: compound for regulation of formation permeability and water shutoff includes polyglycols and used alkali of wet process of gas cleaning with the following amount of components, mas.%: polyglycol 5-40; used alkali 60-95. Used alkali has, at least, 5 mas.% of sodium hydroxide and/or sodium carbonate with pH above 10. Compound is applicable at the middle and later stages of oil deposit development. EFFECT: higher efficiency of compound and cut down costs. 1 dwg, 8 tbl |
