Formation Damage part 2
A Formation can be damaged mainly while one of following activities (ordered in timely manner). 1) During Drilling and Completions (click to see) 2) During and after production and workover operations 3) During Injection Formation Damage Mechanisms: 2) During and after production and workover operations. This kind of formation damage is divided into following types. 1) Due to increase in relative permeability of fluid other than desired fluid. 2) Due to viscosity increase 3) Due to precipitations. 1) Due to increase in relative permeability of fluid other than desired fluid: Imagine, you are left with 1 GB of internet with your plan and you are sharing it with your friend with help of wifi. You are surfing at your normal speed, but your new friend is watching movie online What will happen ? You will be not able to surf more time ? Same thing happened in reservoir also. We want more oil flow for More time, but other fluids (water, gas) block path of oil flow and results into less o