The book "Violations of casing columns in the development and operation of wells and ways to prevent them" by Mammadov A. is a unique and in-depth study on one of the most pressing problems in the field of drilling and operation of oil and gas wells. With the rapid development of technologies and the increase in hydrocarbon production, issues related to the reliability of casing columns are becoming increasingly important. This work is not only a scientific work, but also a practical guide for specialists in the field of geology, drilling, as well as for students studying relevant disciplines. Author, A. Mammadov is a recognized expert in the field of geotechnics and drilling, his experience and knowledge allow him to deeply analyze the problems faced by engineers and geologists in the development and operation of wells. The book discusses the various types of violations of casing columns, their causes and consequences, and offers effective methods for preventing these violations. The reader will find here not only theoretical aspects, but also practical recommendations based on real examples from practice. The book will be especially useful for professionals in the oil and gas industry, engineers involved in the design and operation of wells, as well as for undergraduate and graduate students seeking to deepen their knowledge in this area. If you are interested in topics related to drilling, geology, oil and gas industry, this publication will be an indispensable source of information and practical advice for you. The topics raised in the book cover a wide range of issues, including the analysis of the causes of violations, the impact of geological factors on the integrity of the casings, as well as modern technologies aimed at their protection. Mammadov not only describes the problems, but also offers innovative solutions, which makes the book relevant and useful for practical application. Readers will be able to learn about new methods of monitoring the condition of casing columns, as well as how modern technologies can help in the prevention of emergency situations. The author's style is distinguished by clarity and accessibility, which makes complex technical aspects understandable even for those who are just starting their way in this area. Mammadov uses many examples and illustrations, which allows the reader to better absorb the material and apply it in practice. His previous work has also been highly regarded in the professional environment, which confirms his status as an expert in the field. If you are looking for literature that will help you understand the intricacies of well operation, as well as modern approaches to preventing violations of casing columns, the book Mamedov will be a real find for you. It will not only expand your knowledge, but also inspire new ideas and solutions in your professional activities. Do not miss the opportunity to get acquainted with this important work, which will become a reliable assistant in your career in the oil and gas industry.