This book gives a comprehensive overview of the basics, principles, practice, application of eclectic technology in Oil and Gas industry. It covers fundamental operations, work scope definitions, execution methods, mathematical calculations, field applications, core subjects, diversities, introduction to petroleum economics/project management concepts, strategies which is the primary link between decision making and profitable operations. Topics discussed in the chapters are carefully structured with interactive pictorial illustrations where necessary to benefit all interested readers. Features: Offers a comprehensive overview, technological, career, historical rich blend of the basics, principles, practice and application of a creative/eclectic technology. Explores basics and latest developments in geology, exploration, leasing, drilling, production, transportation, refining and so forth. Serves as a conduit between college education and the real-world petroleum/natural gas engineering practice. Discusses technical content of improvements in computer modelling, materials and the application of statistics, and probability analysis. Includes detailed explanations and illustrations, especially to non-Petroleum Engineers. This book is aimed at professionals and researchers in petroleum and natural gas engineering.