Invention Application
US20160222284A1 INJECTING POLYELECROLYTE BASED SACRIFICIAL AGENTS FOR USE IN UNCONVENTIONAL FORMATIONS 审中-公开
注射基于聚烯烃的非正式试剂用于非常规制剂

INJECTING POLYELECROLYTE BASED SACRIFICIAL AGENTS FOR USE IN UNCONVENTIONAL FORMATIONS
Abstract:
Compositions and methods for formulating treatment fluids that comprise a surfactant having reduced and delayed adsorption are provided. In one embodiment, the method comprises: introducing a first treatment fluid comprising an aqueous base fluid and a polyelectrolyte into a wellbore penetrating at least a portion of a subterranean formation; contacting at least a portion of the subterranean formation with the polyelectrolyte; and introducing a second treatment fluid comprising an aqueous base fluid and a surfactant into the wellbore penetrating at least the portion of the subterranean formation.
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