Scale Deposition Squeezes Productivity

Journal of Petroleum Technology 

We often observe scale deposited in tea kettles or water pipes in our daily routine. This phenomenon also occurs downhole. Scaling buildup inside wellbores is a serious production problem that dramatically reduces the well productivity index. This issue has a significant cost across the industry, mostly associated with loss of production or additional operations such as well intervention. Scale deposition can reduce porosity or permeability of the near wellbore, and it can accumulate in components of the completion string (Figure 1), leading to blockage and poor productivity.

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Scale Deposition Squeezes Productivity1.000Journal of Petroleum Technology