When used in low permeability or ultra-low permeability reservoirs, water injection is one of the most economical methods for ensuring maximum production rates. Water Injection For Low Permeability Reservoirs provides production and reservoir engineers with a no nonsense guide to plan, design, implement and evaluate a water injection system that will improve recovery factors. In this book, the author clearly explains the characteristics of ultra-low permeability reservoirs and linear flow theories. These topics are then applied to design and implementation. Application cases of four oilfields are included to help develop concepts while illustrating the proper workflow for ensuring waterflooding performance analysis and optimization. This book has both theoretical analysis and practical cases. The book can not only be used as the reference book for field technical personnel, but also provides technical support for the management personnel. Concise and readable, Water Injection For Low Permeability Reservoirs provides operators with the proper workflow systems and engineering techniques for designing, planning and implementing an efficient, economical water injection system. The book provides both theoretical analysis and practical cases for designing and evaluating water injection systems and understanding key production variables involved in making detailed predictions for oil and water producing rates, water injection rates, and recovery efficiency. Frank discussion of the characteristics of low and ultra-low permeability reservoirs and linear flow theories Design and implementation of advanced waterflooding systems Actual cases studies from four oilfields