Patent ID: 11913319
Assignee: SAUDI ARABIAN OIL COMPANY
Field: Civil engineering (Other fields)
Classification: CPC E  C | IPC C  E

Claim 14:
15. The method of claim 14, wherein the first ammonium salt comprises ammonium chloride, ammonium bromide, ammonium nitrate, ammonium nitrite, ammonium sulfate, ammonium carbonate, or ammonium hydroxide, or any combinations thereof, wherein the second ammonium salt comprises ammonium bifluoride (NH4HF2) or ammonium fluoride (NH4F), or both, wherein the nitrite salt comprises sodium nitrite or potassium nitrite, or both, and wherein mixture comprises an aqueous mixture comprising the first ammonium salt in a range of 10 weight percent (wt %) to 25 wt %, the second ammonium salt in a range of 1 wt % to 10 wt %, the nitrite salt in a range of 10 wt % to 25 wt %, and the acid in a range of 5 wt % to 20 wt %.