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公开(公告)号:US20110272152A1
公开(公告)日:2011-11-10
申请号:US13074825
申请日:2011-03-29
申请人: Robert Kaminsky , Adam Coutee , Matthew A. Dawson , Owen J. Hehmeyer , Hao Huang , Ivan J. Kosik , Jean-Pierre Lebel , Robert Chick Wattenbarger
发明人: Robert Kaminsky , Adam Coutee , Matthew A. Dawson , Owen J. Hehmeyer , Hao Huang , Ivan J. Kosik , Jean-Pierre Lebel , Robert Chick Wattenbarger
IPC分类号: E21B43/16
CPC分类号: E21B43/166 , E21B43/30
摘要: To recover oil, including viscous oil, from an underground reservoir, a cyclic solvent-dominated recovery process may be used. A viscosity reducing solvent is injected, and oil and solvent are produced. Unlike steam-dominated recovery processes, solvent-dominated recovery processes cause viscous fingering which should be controlled. To control viscous fingering, operational synchronization is used within groups and not between adjacent groups.
摘要翻译: 为了从地下储层回收包括粘性油在内的油,可以使用以循环溶剂为主的回收工艺。 注入降粘溶剂,制成油和溶剂。 与蒸汽主导的回收过程不同,以溶剂为主的回收过程会引起粘性指法,这些指法应受到控制。 为了控制粘性指法,在组内而不是相邻组之间使用操作同步。