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公开(公告)号:US09650578B2
公开(公告)日:2017-05-16
申请号:US14134595
申请日:2013-12-19
申请人: Nexen Energy ULC
CPC分类号: C10G55/06 , C10G9/36 , C10G21/003 , C10G55/04 , C10G2300/1059 , C10G2300/1077 , C10G2300/206 , C10G2300/301 , C10G2300/302 , C10G2300/308 , C10L1/08
摘要: A process for upgrading oil including optionally pre-treating a heavy oil including at least one dissolved gas, asphaltenes, water, and mineral solids; reducing at least one dissolved gas content from said heavy oil, optionally further reducing water content from said heavy oil; adding a paraffinic solvent to said heavy oil, at a predetermined paraffinic solvent:heavy oil ratio, facilitating separation of asphaltenes, water, and mineral solids from the heavy oil resulting in a de-asphalted or partially de-asphalted oil (“DAO”)-paraffinic solvent stream, comprising a low asphaltenes content DAO-paraffinic solvent stream and an asphaltenes-mineral solids-paraffinic solvent-water slurry stream; optionally separating the paraffinic solvent and water from the asphaltenes-mineral solids-paraffinic solvent-water slurry stream; optionally separating the DAO-paraffinic solvent stream into a paraffinic solvent rich stream and a DAO stream; and optionally adding diluent to the DAO stream resulting in transportable oil.