The book “Planning, conducting and analyzing the results of numerical studies of reservoir development processes with hard-to-recover reserves” is a unique and in-depth study that opens up new horizons in the field of geology and the oil and gas industry. Created by a team of authors working at the intersection of science and practice, this work is an extensive work that will be of interest to both specialists and students seeking to understand the complex processes associated with the development of hard-to-recover hydrocarbon reserves. The book examines the key aspects of planning and conducting numerical research, which are the basis for the effective development of deposits. The authors share their knowledge on how to properly organize the research process, what methods and technologies to apply to obtain reliable data and how to analyze the results in order to draw reasonable conclusions. This is not just a scientific work, but a practical guide that will help readers master complex techniques and adapt them to specific conditions. The book will be useful to a wide range of readers .. Students and graduate students studying geology, oil and gas and related disciplines will find valuable materials for their research and coursework in it. Practicing engineers and specialists in the field of field development will be able to use the acquired knowledge to optimize their projects and increase the efficiency of work. In addition, the book will be of interest to researchers involved in the development of hard-to-recover reserves, as it contains relevant data and examples from real practice. The topics raised in the book cover a wide range of issues, ranging from the theoretical foundations of numerical research to the practical aspects of their application. The authors emphasize the importance of an integrated approach to the development of deposits, which includes not only technical, but also economic, environmental and social aspects. This makes the book particularly relevant in today's world, where sustainability and resource stewardship are becoming a priority. The style of the authors is distinguished by clarity and accessibility, which allows even complex scientific concepts to be presented in an understandable form. They use many examples and illustrations, which makes the material more visual and easy to perceive. This approach allows the reader not only to learn the theory, but also to see how it is applied in practice. The book “Planning, conducting and analyzing the results of numerical studies of reservoir development processes with hard-to-recover reserves” will become an indispensable tool for anyone interested in modern methods of hydrocarbon resources development . It can become a basis for further research and discussion in the scientific community, as well as serve as a source of inspiration for new ideas and projects. If you are looking for literature that combines theory and practice, and also offers a fresh look at the current problems of the oil and gas industry, this book is definitely worth your attention. It will not only expand your knowledge, but also help you become a more competent specialist in the development of hard-to-recover reserves.