Films that may be created and/or placed in a well bore that prevent the flow of fluid into cracks or fractures in a portion of a subterranean formation penetrated by the well bore, and associated methods of use, are provided. In one embodiment, the methods comprise: providing a treatment fluid that comprises a base fluid and a film-forming polymer; introducing the treatment fluid into a portion of a well bore penetrating a portion of a subterranean formation, the well bore comprising an interior wall; and allowing the film-forming polymer to electrostatically interact with a surface of the interior wall of the well bore to form a substantially continuous film along a portion of the interior wall of the well bore, the substantially continuous film being capable of hindering the flow of a fluid therethrough.

 
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