The Book of Pens . Obtaining, Properties and Their Application in the Oil Field”, written by a team of authors, is a unique publication that immerses the reader in the fascinating and complex world of foam-forming technologies used in the oil industry. This is not just a scientific work, but a real find for specialists, students and anyone interested in modern technologies in the field of oil production and refining. The book discusses in detail the methods of obtaining foam, its physical and chemical properties and various ways of application in the oil field. The authors, possessing rich experience and deep knowledge in this field, share with readers not only theoretical aspects, but also practical recommendations, which makes this publication especially valuable. The book covers a wide range of topics, including technologies that enable the efficient use of foams to improve oil recovery, as well as to reduce environmental impact. This book will be interesting not only for professional oil workers, but also for students of technical and natural sciences specialties, as well as for anyone who wants to deepen their knowledge in chemistry and technology. It can be an excellent addition to training materials, as well as a useful guide for practitioners. If you are interested in topics such as oil and gas engineering, chemical technology or ecology, then this publication will be a real find for you. One of the main topics raised in the book is the ecology and safety of processes related to oil production. The authors focus on how the use of foam can help reduce the negative impact on the environment, which is especially true in the face of modern environmental challenges. The book also touches on the issues of cost-effectiveness of the use of foam-forming technologies, which makes it useful not only from a scientific but also from a practical point of view. The style of the authors is characterized by accessibility and clarity of presentation, which allows the reader to easily assimilate even the most complex concepts. The book is written taking into account the latest achievements of science and technology, which makes it relevant and in demand. The team of authors consists of experts in the field of petroleum engineering and chemistry, which ensures high quality and reliability of the presented data. If you are looking for literature that will help you to understand modern technologies related to foaming in the oil industry, then “Pen. Obtaining, properties and their application in the oil field" will be an excellent choice. This book will not only expand your knowledge, but also inspire new ideas and projects in your professional activities. Don’t miss this unique publication, which can become your reliable assistant in the world of oil engineering and chemical technology. Pena is the key to understanding the complex processes behind oil production and an important step towards a more sustainable and efficient future in this important industry.