where V is volume of pumped solvent, m3; K=1.2–2.4, dimensionless coefficient selected depending on oil viscosity in reservoir conditions; π is mathematical constant equal to 3.14; d is diameter of horizontal filter part of the well, m; L is horizontal well part length, m. Solvent is squeezed and the well is left for process exposure for reaction of the entire volume of the solvent for not less than 4 days. After process holding heat carrier is pumped during 70–180 days. As a heat carrier there is injected a steam-gas mixture containing, wt%: steam 40–60; carbon dioxide 5–15; nitrogen 35–55; oxygen 0.5 and less.;EFFECT: increasing development efficiency of high-viscosity oil and / or bitumen deposit, increasing oil recovery factor with simultaneous reduction of operating costs for production and injection of steam.;1 cl, 2 dwg, 1 tbl, 3 ex"/>
公开/公告号RU2733636C1
专利类型
公开/公告日2020-10-05
原文格式PDF
申请/专利号RU20200112643
发明设计人 AMERKHANOV MARAT INKILAPOVICH (RU);AKHMETZIANOV FANIL MUKTASIMOVICH (RU);AKHMETSHIN NAIL MUNIROVICH (RU);
申请日2020-03-27
分类号E21B43/24;E21B43/22;E21B49/08;E21B7/04;
国家 RU
入库时间 2022-08-21 11:02:16