Different approaches, evaluations, techniques and advanced studies on processing and production of oil, gas and petrochemicals have been included in this book. Diverse range of topics such as uses of petrochemicals, their production and refinement, natural gas, etc. have been covered in this text in a comprehensive manner. With state-of-the-art inputs by acclaimed experts of this field, this book targets students and professionals alike. It will help new researchers by foregrounding their knowledge in this branch.