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REVIEW OF APPLICATION OF PRESSURE DERIVATIVE CONCEPT TO MULTIRATE TESTS
Abstract:
Multirate well testing has gained significant attention in the petroleum industry due to its ability to provide valuable reservoir information under various flow conditions. The pressure derivative concept has emerged as an essential tool for analyzing multirate well tests, enabling the characterization of reservoir properties and flow behavior. This review aims to provide a comprehensive overview of the application of the pressure derivative concept to multirate tests.
The review begins by introducing the fundamentals of pressure derivative analysis and its significance in well testing. It explores the mathematical definition of the pressure derivative and its interpretation in terms of flow regimes and reservoir properties. The paper then delves into the specific challenges associated with multirate tests, such as flow rate variations and transient effects, which necessitate the adaptation of pressure derivative analysis techniques.
A critical aspect of the review involves discussing the different methods employed to calculate the pressure derivative for multirate tests. It highlights the analytical, numerical, and graphical techniques used to estimate the pressure derivative from pressure and flow rate data. Furthermore, the review examines the limitations and assumptions associated with each method and provides insights into their applicability under varying reservoir conditions.
Additionally, the review covers the interpretation of pressure derivative plots obtained from multirate tests. It explores the identification of characteristic features, such as slope changes and inflection points, and their correlation with reservoir properties, such as permeability, skin, and reservoir boundaries. The paper also discusses the integration of pressure derivative analysis with other well testing techniques, such as pressure buildup and interference tests, to enhance reservoir characterization.
Lastly, the review highlights recent advancements and emerging trends in the application of the pressure derivative concept to multirate tests. It discusses the utilization of advanced data analysis techniques, such as machine learning and data-driven modeling, for more accurate and efficient interpretation of multirate well test data.
In conclusion, the application of the pressure derivative concept to multirate tests has proven to be a valuable approach for reservoir characterization and flow behavior analysis. This review provides a comprehensive understanding of the theoretical foundations, calculation methods, interpretation techniques, and recent advancements in this field. Further research and development in this area will continue to enhance the effectiveness of pressure derivative analysis in multirate well testing and reservoir engineering applications.
REVIEW OF APPLICATION OF PRESSURE DERIVATIVE CONCEPT TO MULTIRATE TESTS. GET MORE OIL AND GAS/PETROLEUM ENGINEERING PROJECT TOPICS AND MATERIALS
