The book "Methodical instructions for the implementation of practical works on the discipline "Mathematical models in the oil and gas complex" , Created by a team of authors, is an indispensable resource for students and professionals , seeking to better understand the application of mathematical models in one of the most complex and dynamic industries the oil and gas complex This work is not just a manual, but a whole methodology that opens the door to the world of complex calculations and analytics necessary for effective resource management and optimization of processes in the oil and gas sector. From the first pages, the reader plunges into the fascinating world of mathematical modeling, where each formula and each scheme become the key to solving real problems. The authors, possessing rich experience in the field of oil and gas business and mathematical analysis, offer the reader not only theoretical foundations, but also practical tasks that help to consolidate the knowledge gained. This makes the book ideal for students of technical and economic specialties, as well as for practicing engineers and analysts working in the oil and gas industry. The book covers a wide range of topics, ranging from the basics of mathematical modeling to complex algorithms used to predict hydrocarbon reserves and optimize production. Particular attention is paid to the current challenges faced by specialists in the field of field development, transportation and processing of hydrocarbons . The reader will be able to learn how mathematical models help predict the behavior of oil and gas fields, as well as how they can be used to minimize risks and increase efficiency. What makes this book especially valuable is its practical focus. Each section includes not only theoretical explanations, but also concrete examples that illustrate how to apply mathematical models to solve real-world problems. The authors offer the reader the opportunity to work independently with models, which contributes to a deeper understanding of the material and the development of analytical skills. This makes the book not only a tutorial, but also a practical guide for professionals working in the oil and gas sector. The book will be of interest not only to students and graduate students, but also to experienced professionals seeking to update their knowledge and skills. It is suitable for those interested in topics such as oil and gas engineering, mathematical modeling, data analytics and project management in the energy sector. Readers who are looking for literature on similar topics may also pay attention to the works of authors such as Igor Shevchenko and Alexey Kuznetsov, who also explore the intersection of mathematics and engineering. The style of the authors is distinguished by clarity and accessibility, which allows even those who do not have deep knowledge in mathematics to easily assimilate the material. Each chapter is logically structured, which allows the reader to gradually delve into the topic without losing interest and motivation. As a result, the book becomes not only a source of knowledge, but also an exciting journey into the world of mathematical models, which, as it turns out, play a key role in the oil and gas industry. Finally , “Methodical instructions for practical work on the discipline “Mathematical models in the oil and gas complex” is not just a training manual , A powerful tool for everyone Who wants to make things difficult? CM but fascinating aspects of mathematical modeling in the oil and gas sector. It inspires new discoveries and helps the reader to confidently step on the path to professional growth and success in one of the most popular and high-tech industries of our time.