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US08528639B2 Method for accelerating start-up for steam-assisted gravity drainage (SAGD) operations 有权
用于加速蒸汽辅助重力排水(SAGD)作业启动的方法

Method for accelerating start-up for steam-assisted gravity drainage (SAGD) operations
Abstract:
A method for accelerating start-up for steam assisted gravity drainage operations comprising the steps of: forming a steam-assisted gravity drainage production well pair comprising an injection well and a production well within a formation; beginning a pre-soaking stage by soaking one or both of the wellbores of the well pair with a solvent; beginning a pre-heating stage by heating the wellbores of the well pair; beginning a squeezing stage by injecting steam into the wellbores of the well pair; and beginning steam-assisted gravity drainage production.
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