Patent ID: 11879096
Assignee: NOURYON CHEMICALS INTERNATIONAL B.V.
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 18:
19. A process for treating a subterranean earth formation, said process comprising the step of by introducing an aqueous acidizing treatment fluid into the subterranean earth formation wherein the fluid comprises:
about 3 to about 20 weight percent of an ammonium salt of monochloroacetic acid based on a total weight of the fluid, and
a chelating agent chosen from sodium gluconate, sodium glucoheptonate, and combinations thereof,
wherein the chelating agent is present in a molar ratio of the ammonium salt to the chelating agent of from about 1:0.5 to about 1:10, and
wherein the process is free of a step of independently adding monochloroacetic acid to the aqueous acidizing treatment.