Acid diverting system containing quaternary amine

Details Acid diverting system containing quaternary amine Acid diverting system containing quaternary amine

E - Fixed Constructions

21

B

E21B 43/22 (2006.01) C09K 8/60 (2006.01) C09K 8/76 (2006.01)

Patent

CA 2455557

A process for stimulating a formation is disclosed wherein a diverting fluid is used to divert an acid treatment package from a high permeability or damaged portion of a formation to a low permeability or undamaged portion of a formation. The fluid, which preferably forms vesicles, comprises at least one surfactant, at least one quaternary amine polyelectrolyte, water, and a non-aqueous solvent.

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