The book “Efficiency of development of lithologically heterogeneous reservoirs of oil fields of Kuibyshev Volga region”, created by the team of authors, is a unique study that immerses the reader in a complex and multifaceted world of geology and oil production. This publication will be a real discovery for specialists in the field of geological sciences, oil engineers, as well as students and graduate students interested in the oil industry and its modern technologies. The book deals with specific aspects of the development of oil fields located in the Kuibyshev Volga region, where the lithological heterogeneity of reservoirs creates additional challenges for effective hydrocarbon production. The authors analyze various methods and technologies used to optimize development processes, as well as share practical recommendations based on real examples from the region. Readers will be able to learn about how geological features affect the choice of drilling and development technologies, as well as what innovative approaches are used to increase well productivity. The book will be of interest not only to professionals, but also to those who want to understand more deeply how the oil industry works in a complex geological environment. It raises important topics such as sustainable development, ecology and the impact of oil production on the environment, making it relevant in light of the current challenges facing humanity. Readers interested in ecology and sustainable development will find in this book a lot of valuable information on how to minimize the negative impact on nature in the development of deposits. The style of the authors is distinguished by scientific rigor, supported by in-depth analysis and extensive research. They use accessible language, which allows even those who are not experts in petroleum geology to understand the main ideas and conclusions. The book is filled with graphs, tables and illustrations that help to visualize complex concepts and make the material more visual. In addition, the team of authors includes specialists with extensive experience in the oil industry, which gives the book additional value. Their previous works, such as “Modern technologies for the development of oil fields” and “Geology and oil and gas capacity of the Volga region”, have already established themselves as reliable sources of information and inspiration for many professionals. If you are looking for a book that will help you understand the intricacies of developing lithologically heterogeneous reservoirs, or want to expand your knowledge of the oil industry, this publication will be an excellent choice. It will not only deepen your understanding of the processes taking place in the bowels of the earth, but also help you realize the importance of a responsible approach to the development of natural resources. Thus, “Effectiveness of development of lithologically heterogeneous reservoirs of oil fields of the Kuibyshev Volga region” is not just a scientific work, but a real find for everyone who is interested in the oil industry, geology and sustainable development. Read this book and you will discover new horizons in the world of science and technology that shape the future of our planet.