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公开(公告)号:US20150083413A1
公开(公告)日:2015-03-26
申请号:US14491517
申请日:2014-09-19
Applicant: CONOCOPHILLIPS COMPANY
Inventor: Arelys Y. SALAZAR , Tawfik N. NASR
CPC classification number: E21B43/2406 , E21B43/2408 , E21B43/30
Abstract: Hydrocarbons in a subterranean reservoir are recovered using Expanding Solvent-Steam Assisted Gravity Drainage (ES-SAGD), including recovering hydrocarbons while reducing the solvent retention in the reservoir. Reducing solvent retention improves process economics.
Abstract translation: 使用扩展溶剂 - 蒸汽辅助重力排水(ES-SAGD)回收地下储层中的碳氢化合物,包括回收碳氢化合物,同时降低储层中的溶剂残留。 降低溶剂保留率提高了工艺经济性。