Well intervention involves performing downhole operations on oil and gas wells to sustain, restore or improve production performance. As wells age, their productivity declines due to damage to the formation face or downhole equipment, scale buildup, water or gas coning etc. Well intervention aims to address such issues through techniques like pumping chemicals or tools into the well. https://articlescad.com/well-intervention-operations-to-enhance-oil-and-gas-production-303274.html