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vargas f asphaltene deposition fundamentals prediction 2018

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Textbook in PDF format Asphaltene deposition is a challenging problem for the oil industry in many regions around the world, due to the tendency of this petroleum fraction to precipitate and deposit in the wellbore, near wellbore region, and surface facilities, as a result of changes in pressure, temperature, and composition. The current tendency to produce from deeper waters or to enhance oil recovery by injection of light components, such as hydrocarbon gases or carbon dioxide under miscible conditions, gives a clear indication that this problem is likely to worsen even more. Wellbore plugging caused by asphaltene deposition is a multimillion-dollar problem, that not only requires expensive and time consuming intervention methods, but it is also responsible for significant downtime and associated monetary losses. Despite the significant efforts and resources devoted by a number of companies, universities and research institutions, to better understand and solve this important flow assurance problem, the available knowledge, tools, and technologies are somewhat limited or not readily applicable. This book is the product of over ten years of active investigation, summarizing relevant literature resources, conducting novel experimental and computational work, and solving real field cases, which required us to address the challenges described above. With this book the authors intend to provide a quick immersion method for anyone interested in learning more about this important topic for the first time, and a comprehensive resource for advanced experimental and modeling methods and case studies for experienced professionals. Throughout the various chapters of the book, the reader will be able to learn about: the motivation for improving our understanding and tools to tackle the potential flow assurance problem caused by asphaltene deposition; the chemical and physical properties of asphaltenes, and their separation and quantification methods; experimental methods to determine asphaltene precipitation; advanced modeling techniques to predict asphaltene precipitation at reservoir conditions; experimental methods to probe and quantify asphaltene deposition; advanced modeling methods to predict asphaltene deposition under realistic field conditions; methods to mitigate asphaltene deposition and some challenges associated to chemical inhibition; real case studies that have been successfully conducted by implementation of the methods presented in this book; and current research tendencies and some areas for future investigation. With this book, the authors aim to consolidate and present in a systematic manner the state-of-the-art laboratory techniques, and the most advanced simulation methods, to better understand and predict the occurrence and the magnitude of asphaltene deposition, as well as some of the best practices to develop an effective mitigation strategy. In turn, they hope that this knowledge and these tools will contribute to the worldwide implementation of cost-effective strategies to manage this problem

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vargas f asphaltene deposition fundamentals prediction 2018