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- European Association of Geoscientists & Engineers [3] http://purl.org/dc/terms/isPartOf http://instance.metastore.ingenta.com/content/eage
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Challenges and Solutions in Stochastic Reservoir Modelling (EET 12)
Authors Vasily Demyanov and Dan ArnoldLanguage: EnglishPublication Date: January 2018More LessMany advances in stochastic reservoir modelling have been introduced in the past decade. Novel method of data integration and more accurate representation of geology have been developed with the advances in spatial statistics. However, integrated approach for predictive reservoir modelling still attracts continuous effort to manage reservoir decisions under uncertainty and make better use of the increasing amounts of data and domain knowledge accumulated in the field.
Many solutions to these challenges lie in the cross-disciplinary vision, where modern rigour of computer science and statistics brought together with core geological and engineering domain expertise and basic physical conceptual thinking.
This book aims to bridge across different fields — geostatistics, machine learning, and Bayesian statistics — to demonstrate the common grounds in solving challenging problems of uncertainty quantification, geological realism, and data integration in reservoir prediction. It presents an overview of key concepts and some of the basic and more advanced algorithms for reservoir modelling and uncertainty quantification. This book includes several practical examples to reinforce the learning outcomes. A tutorial on decision making under uncertainty provides a practical way to apply integrated thinking to a real field dataset.
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Climate Stratigraphy
Authors S.D. Nio, A.R. Böhm, J.H. Brouwer, M.G.G. De Jong and D.G. SmithLanguage: EnglishPublication Date: January 2014More LessOne of the most important steps in oil and gas is the construction of a near-synchronous high-resolution stratigraphic framework. This stratigraphic framework forms the basis in the search for additional potential reservoirs and especially in reservoir characterization. Many reservoir intervals are barren of fossils, and conventional stratigraphic methods often lack the required level of resolution. An alternative stratigraphic approach is to use the climate record stored in the sedimentary rock record and subsequently recorded by facies-sensitive wireline logs. The science behind this approach is climate stratigraphy, which is a relatively new discipline combining advanced numerical processing of conventional log data with the theory of climate-driven cyclicity in sedimentary depositional systems.
Extraction of the climatic signal from facies-sensitive wireline logs allows the construction of a high-resolution stratigraphic framework for both reservoir and regional scale correlation, more or less independently of other stratigraphic data. It is therefore a highly cost-effective and universally applicable method deserving of wider appreciation and use.
These course notes include a discussion on the theory of climate changes and its effect to sedimentary facies and its relation to the stratal pattern architecture in the subsurface. This is followed by an extensive explanation of spectral analysis of facies-sensitive wireline logs and the transformation of logs. These log transforms or spectral attribute curves are used in well correlations for the construction of a near-synchronous stratigraphic correlation framework. The book is highly illustrated and it includes several examples from clastic as well as carbonate reservoir correlations.
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Cognition in geosciences
Language: EnglishPublication Date: January 2013More Lesshe work of geoscientists is generally addressed to solve practical problems, like for instance finding new hydrocarbon reservoirs or studying volcanoes. In these scientific fields, intuitions and qualitative analogies are equally important as the application of advanced technology and rigorous mathematical approaches.
The thesis of this book is that the activity of geoscientists can also contribute to illuminate fundamental aspects and open questions of epistemology and cognition. How do geologists and geophysicists think, manage information, develop knowledge and communicate their ideas? What is a good model, a valid theory, a useful methodology? What is the meaning of ‘true’ and ‘false’ in their field of study? What is creativity? Is it a property of exceptional individual minds or a dialectic relationship between entire communities and their ecosystem? Or is it the combination of both? Is it possible to promote individual and team creativity? How? Can we find an aesthetic value in the daily work of geoscientists?
All the above challenging questions are investigated in this book using a multidisciplinary approach. The discussion starts from the geosciences and continues with stimulating incursions in the field of ancient and modern philosophy, epistemology, cybernetics, Chaos theory, neurobiology, psychology and art. The objective is to highlight some unexplored links between cognition, philosophy of science and Earth disciplines, motivating the study and the application of all these fields observed from an unusual and inedited point of view.
Despite the intrinsic complexity of the subject, this book is addressed to a large audience. This includes students, researchers, professionals and all those who are interested in exploring the cognitive and epistemological fundamentals of the Earth sciences. It can be useful also for managers leading creative teams, dealing with complex information, developing innovative products, services and ideas. Finally philosophers of science and cognitive scientists can find practical examples in this book related to important aspects of epistemology and human cognition.
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