The book “Oil and Gas” is an accessible presentation of the training course “Introduction to the Oil and Gas Business”. This training course reveals the basics of oil and gas geology, describes all the main processes of searching, producing and refining oil, covers practical methods of oil production, and touches on the legal and economic aspects of the activities of oil producing companies. The book also contains press reviews of specialized publications, materials from scientific articles and books, as well as materials from consulting companies and corporate training courses that are in the public domain. The training course is intended for study by university students and business school students who want to improve their knowledge in the field of oil and gas business . In addition to this training course, it is recommended to study the business case “Rosneft 2030”, which contains useful practical information about the prospects for the development of the oil and gas industry. The business case also contains the correct answers to the questions of the case, and is supplemented with practical problems on oil and gas, with solutions. The book “Oil and Gas” is written in a popular science style, for a wide range of readers.