“Reverse casing valves” is a unique publication created by a team of authors, which represents an important contribution to the field of oil and gas and engineering science. The book is intended for professionals working in the field of drilling and well operation, as well as for students and graduate students studying relevant disciplines. It addresses key aspects of the design, installation and operation of reverse valves, which play a critical role in ensuring the safety and efficiency of casings. The main purpose of the book is to provide readers with a deep understanding of the principles of operation and design features of the reverse valves used in casing columns. The authors analyze in detail the different types of valves, their advantages and disadvantages, as well as the conditions under which each of them is most effective. The reader will be able to learn about modern technologies used in the production of these devices, and how they affect the overall performance of wells. The book will be of interest not only to professional engineers and technicians, but also to those who are just beginning their journey in the oil and gas industry. Students and young professionals will find in it useful tips and practical recommendations that will help them in the future to avoid common mistakes and improve their skills. The publication may also attract the attention of researchers engaged in the development of new technologies in the field of drilling and operation of wells. The topics raised in the book cover a wide range of issues related to the design and operation of reverse valves. The authors discuss the importance of choosing the right type of valve depending on the operating conditions, as well as the influence of various factors, such as pressure, temperature and chemical composition of fluids, on the choice of design. The book also contains sections on the methods of diagnostics and repair of valves, which makes it an indispensable reference for those who seek to maintain the equipment in perfect condition. The style of presentation of the authors is clear and accessible, which allows even complex technical aspects to be perceived easily and with interest. The book is replete with illustrations and diagrams that help to better understand the processes and designs described. This makes reading not only cognitive, but also visually attractive. “Reverse casing valves” is not just a training manual, but a real find for everyone who is interested in modern technologies in the oil and gas industry. The book will be an excellent addition to the library of any specialist working in this field, and will help him to be aware of the latest trends and achievements. If you are looking for literature that combines theory and practice, and covers topical issues related to the design and operation of equipment, then this publication will be a real discovery for you. Do not miss the opportunity to immerse yourself in the world of engineering solutions and innovative technologies that will help you become a real professional in your field.