[New cover update] As one of the most complex industries in the world, this book provides readers with an in-depth coverage of companies that operate in all sectors of the oil & gas industry, that is Upstream, Midstream and Downstream. This book sets out to evaluate companies through upstream, midstream and downstream financial and operational metrics (covered in the first 4 chapters of the book), and to provide an overview of more than 30 companies in different categories, such as National Oil Companies, International Oil Companies, Independent E&P and Pure Play Refining Companies. Key benefits from reading this book: - Understand the different sectors in the oil & gas industry, their business cycles, unique opportunities and challenges. - Understand how financial and operational metrics for companies inside and outside the oil & gas industry are calculated and understand their importance. - Get to know different oil & gas companies in the industry, from both an international and U.S. perspective. - Gain awareness of what different businesses oil & gas companies are involved in and where they operate. The book is organized into 10 chapters: - Chapter 1 provides an overview of oil & gas as commodities as well as the industry, current supply and demand of energy scenarios and provides a detailed explanation of several financial metrics. - Chapters 2, 3 & 4 introduce the Upstream, Midstream & Downstream sectors of the industry and explain relevant sector metrics. - Chapters 5 & 6 discuss 12 National Oil Companies or NOC's, their current operations and applicable metrics. - Chapter 7 reviews 4 integrated oil & gas companies, their areas of operations and provides an analysis of current financial and operating results using the metrics introduced in this book. - Chapter 8 reviews 6 independent exploration & production companies, their areas of operations and provides an analysis of current financial and operating results using the metrics introduced in this book. - Chapter 9 reviews 3 independent downstream companies, their areas of operations and provides an analysis of current financial and operating results using the metrics introduced in this book. - Chapter 10 reviews 4 midstream companies, their areas of operations and provides an analysis of current financial and operating results using the metrics introduced in this book.