The book "Violations of casing columns in the development and operation of wells and ways to prevent them" by Mammadov A. is a unique publication that will become a reference book for specialists in the oil and gas industry, engineers and students of relevant universities . It discusses in detail important aspects related to casing columns - one of the key elements in the process of drilling and operation of wells. The author, having many years of experience in this field, shares his knowledge and observations, which makes the book not only theoretically sound, but also practical. Mammadov A. analyzes the reasons why violations of casing columns may occur, and offers effective methods for their prevention. The reader will be able to learn about the different types of damage, their consequences and, most importantly, how to minimize the risks associated with the operation of wells. The book will be of interest not only to professional engineers and geologists, but also to students who are just beginning their journey in the oil and gas industry. It will help them to better understand the processes taking place in the bowels of the earth, and to realize the importance of proper design and operation of wells. The publication will also be useful for project managers and managers who are engaged in managing risks in the field of drilling and operation. The topics raised in the book are highly relevant, especially in light of the current challenges facing the oil and gas industry. Mammadov A. discusses not only the technical aspects, but also the economic consequences of violations, which allows the reader to see the full picture In the face of increasing competition and the need to improve the efficiency of wells, knowledge of how to avoid violations becomes especially valuable. The author's style is distinguished by clarity and accessibility of presentation, which makes complex technical aspects understandable to a wide audience. Mammadov A. uses many examples from practice, which helps the reader to better absorb the material. His previous work has also earned recognition in professional circles, and this publication continues the tradition of a high-quality scientific approach to the study of problems in the oil and gas sector. If you are looking for a book that will not only enrich your knowledge, but also help you become a more competent specialist in the field of drilling and operation of wells, then “violations of casing columns in the development and operation of wells and ways to prevent them” is exactly what you need. It will become a reliable assistant in your professional activities and a source of inspiration for further study of this complex but fascinating area. Do not miss the opportunity to get acquainted with this important work, which can change your idea of drilling and operation of wells . Book of Mamedov A. is not just a theoretical guide, but a practical guide that will help you avoid mistakes and improve the efficiency of work in the oil and gas industry