Pipeline Pigging Technology

This practical reference book attempts to answer many of the questions and problems associated with pigging and pipeline inspection technology applied to oil, gas and products pipelines both on- and offshore. The book discusses why, when and how to pig a line, intelligent pigs, interpreting data, economics, environmental considerations and risk assessment, and rehabilitation and repair. Among the new features of this edition are on-line inspection techniques, US regulations, inspection of the Trans Alaska pipeline, gel pig technology, interpreting intelligent pig results, on-line repair, internal cleaning and coating, and when to renew a pipeline.