PREFACE: Wiley’s major reference works cover a multitude of subject disciplines and have earned many accolades over the years for their well-structured, accessible articles, covering both fundamentals and cutting-edge topics. The Wiley Critical Content Series was conceived in response to demand from customers who have a strong interest in certain key topics covered within more than one of Wiley’s reference works and who have asked to see the most relevant articles brought together in one place. Wiley Critical Content: Petroleum Technology is the first title to be published in this series. It features articles from two of Wiley’s most prestigious encyclopedias—the Kirk-Othmer Encyclopedia of Chemical Technology and Ullmann’s Encyclopedia of Industrial Chemistry. Wiley Critical Content: Petroleum Technology provides comprehensive, upto- date information on all aspects of petroleum: properties and origin, exploration, production and refining processes, economic issues, and environmental and health concerns. The two volumes contain over fifty articles, organized thematically: - Part I: Exploration, Production, and Refining - Part II: Refined Products and Fuels - Part III: Petrochemicals Written by prominent scholars from around the world, this reliable reference will be of particular interest to petroleum engineers, researchers in industry and academia, and other professionals and consultants in petroleum-related industries. vii

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