COMPOSITION FOR LEVELING INJECTIVITY PROFILE OF INJECTION WELLS AND LIMITING WATER INFLOW IN PRODUCTION WELLS

摘要

FIELD: oil and gas production.;SUBSTANCE: composition contains more than 60-70% of heavy asphaltic-resinous crude oil having density 900 kg/m³, 5-13% of nonionic surfactant OP-7 or Neonol Af_9-6, and balancing amount of "fusel oil" as regulator-solvent.;EFFECT: achieved high efficiency of composition al low cost.;3 dwg, 5 tbl