Oil & Gas Design Engineering Guide Book consists of a set of valuable practices applicable to design engineering services, such as: Projects Engineering Design House Requisites, Guidelines for Technical Package Writing, Quality Assurance Management System, Typical set of Project Design Deliverables and some prevalent Design Engineering Software. It also includes guide notes for various oil & gas facilities, such as pipelines, piping, tanks, pressure vessels, rotating equipment, heaters, heat exchangers, effluent water treatment systems, and flares. It is noted that the documents and articles included in this book will surely be of assistance and value to the readers and specifically to engineers in the Oil & Gas field.