Method of inhibiting corrosion in acidizing wells

Details Method of inhibiting corrosion in acidizing wells Method of inhibiting corrosion in acidizing wells

E - Fixed Constructions

21

B

E21B 43/27 (2006.01) C09K 8/54 (2006.01) C09K 8/74 (2006.01) C23F 11/04 (2006.01)

Patent

CA 2075888

Corrosion inhibitor additives are added directly to an aqueous acid solution used in acidizing subterranean formations. The additives comprise a bismuth compound, a quaternary compound, and a surfactant. The corrosion inhibitor is free of toxic Sb and acetylenic compounds.

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