CPC C09K 8/54 (2013.01) [C08F 220/34 (2013.01); C09K 8/035 (2013.01); E21B 37/00 (2013.01); C08F 2800/10 (2013.01); C09K 2208/20 (2013.01); C09K 2208/32 (2013.01)] | 20 Claims |
1. A method comprising:
introducing a treatment fluid into a wellbore, the treatment fluid comprising a polymeric swellable acid scavenger that comprises at least one polymeric composition, the wellbore extending into a subterranean formation in which acid-containing fluid is present;
contacting the acid-containing fluid with the at least one polymeric composition:
reducing acid in the acid-containing fluid by forming a swollen polymeric material in the wellbore due to contact between the at least one polymeric composition with the acid-containing fluid; and
removing the swollen polymeric material from the wellbore along with recovered treatment fluid.
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