Patent ID: 11879092
Assignee: DORF KETAL CHEMICALS FZE
Field: Chemical engineering (Chemistry)
Classification: CPC C  A  B  E | IPC A  B  C  E

Claim 0:
1. A method of use of an aqueous modified acid composition in the oil industry to stimulate production of a well, said method comprising: providing said aqueous modified acid composition that comprises a mineral acid and an alkanolamine in a molar ratio ranging from 3:1 to not more than 10:1 and having a pH of less than 1;
exposing a surface within the well, including a metal surface, to the aqueous modified acid composition;
allowing the aqueous modified acid composition a sufficient period of time to act upon said surface; and
optionally, removing the aqueous acid composition when the exposure time has been determined to be sufficient for stimulation.