发明名称 CHEMICAL DIVERSION TECHNIQUE
摘要 A method includes treating a first formation intersecting a wellbore, preparing a diversion fluid including an inactivated viscosifier and an inactivated thinning agent, and positioning an amount of the diversion fluid to isolate the first formation. The method further includes delivering an activator to the diversion fluid, thereby activating the inactivated viscosifier and triggering a thinning agent activation process. The method further includes treating a second formation intersecting the wellbore. The method further includes providing a residence time until the thinning agent activation process completes and the thinning agent breaks the viscosified diversion fluid. The method further includes flowing fluid back from the first formation and the second formation.
申请公布号 WO2011077337(A2) 申请公布日期 2011.06.30
申请号 WO2010IB55885 申请日期 2010.12.16
申请人 SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;WILLIAMSON, DON 发明人 WILLIAMSON, DON
分类号 E21B33/138;E21B43/267 主分类号 E21B33/138
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