The book "Carving connections of oil assortment pipes and downhole engines" by N. Shcherbuk is a unique work that immerses the reader in the world of the oil industry, revealing important aspects of the design and operation of threaded connections. This publication will become an indispensable assistant for both students studying oil and gas business, and for practicing engineers working in this complex and dynamic field. In his book Shcherbyuk examines in detail the design features and technological processes associated with threaded connections of oil grade pipes .. The author focuses on the importance of these connections to ensure the reliability and safety of the operation of downhole engines, which is critical in conditions of high loads and aggressive environment. The reader will be able to learn about various types of threads, their advantages and disadvantages, as well as methods of quality control of connections, which is especially important for specialists who seek to minimize risks and improve the efficiency of equipment. The book will be interesting not only for professional engineers and technologists, but also for university students who are preparing for a career in the oil and gas industry. It can be a great addition to the training materials, allowing you to better understand the specifics of working with pipes and downhole engines. It will also attract the attention of researchers involved in the development of new technologies in the field of oil production and pipeline transport. The topics raised in the book cover a wide range of issues, including the mechanical properties of materials, methods for calculating the strength of compounds and the impact of external factors on their operation. Shcherbyuk not only shares theoretical knowledge, but also offers practical recommendations based on many years of experience in the industry. This makes the book especially valuable for those who are looking for not just a theory, but real solutions to everyday problems. The author's style is distinguished by clarity and accessibility of presentation, which makes it easy to assimilate even the most complex concepts. N. Shcherbuk is known for his work in mechanics and materials science, and his previous publications have also earned recognition in academia. In this book, he continues to develop his ideas, offering readers a fresh perspective on familiar problems. “Carving connections of oil assortment pipes and downhole engines” is not just a textbook, but a real encyclopedia of knowledge that will help readers understand the intricacies of the design and operation of pipelines. It will become a reliable assistant for all those who strive for professional growth and want to be aware of current trends in the oil industry. If you are looking for literature that will help you deepen your knowledge in the field of oil and gas, or want to understand how to properly design and use threaded connections, this book is a great choice. It will not only enrich your library, but will also be an important step towards professional success in one of the most complex and interesting industries of our time.