Problems of analysis of reservoir and well studies in unsteady filtration modes

Hydrodynamic studies (GDIS) in unsteady conditions are an effective way to assess the condition of the near-well space and filtration parameters of the remote part of the formation, allow determining the optimal operating modes of the well and identifying factors affecting the efficiency of its operation. Pressure change Analysis (psi) is one of the best tools for assessing critical well and reservoir parameters. Therefore, the correct interpretation of pressure measurements is crucial for obtaining reliable parameters during field development and optimization of well operation. However, when interpreting well test results, there are many uncertainties that collectively reduce the reliability of the analysis results as a result of uncertainty.