Oil production by dual fluid injection

作者: Henricus Hooykaas , Hans R Van Domselaar , Francois Van Daalen

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摘要: OF THE DISCLOSURE A process for recovering oil from an underground formation comprising injecting into the a viscosity reducing agent lighter than (e.g., solvent, steam, combustion air) upper part of so as to drive production well which com municates with only. Water is supplied lower lifting part.

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