This fully updated and revised Second Edition of Pipeline Operation and Maintenance: A Practical Approach, provides comprehensive details on all matters related to operation and maintenance of gas and liquid pipeline systems. It is designed to impart know-how to operation and maintenance personnel while providing an in-depth coverage of the subjects that pipeline workers and pipeline engineers often face in the assessment of operation and maintenance tasks and corrective techniques. It is designed to fill the gap from commissioning to the operation and maintenance of pipeline systems, covering pipeline and facilities including metering, pumping, and compression as well as reliability assessments. The book provides an updated technique on liquid batched products pipelining operation and maintenance, as well comprehensive techniques for welding and repairs. It provides a detailed reference material for the day-to-day use and/or to refresh the knowledge and thinking process in undertaking various operation and maintenance tasks. It is also intended to be a training tool. Other books in the series include: Pipeline Design and Construction: A Practical Approach, by Mohitpour, Golshan, and Murray Energy Supply and Pipeline Transportation: Challenges and Opportunities, by Mohitpour Pipeline Pumping and Compression Systems: A Practical Approach, by Mohitpour, Botros, and Van Hardeveld Pipeline Integrity Assurance: A Practical Approach, by Mohitpour, Murray, McManus, and Colquhoun