Further Development And Application Of Geofrac Flow To A Geothermal Reservoir

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Further Development and Application of GEOFRAC Flow to a Geothermal Reservoir

Author : Alessandra Vecchiarelli
Publisher :
ISBN 13 :
Total Pages : 174 pages
Book Rating : 4.:/5 (914 download)

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Book Synopsis Further Development and Application of GEOFRAC Flow to a Geothermal Reservoir by : Alessandra Vecchiarelli

Download or read book Further Development and Application of GEOFRAC Flow to a Geothermal Reservoir written by Alessandra Vecchiarelli and published by . This book was released on 2015 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: GEOFRAC is a three-dimensional, geology-based, geometric-mechanical, hierarchical, stochastic model of natural rock fracture systems. The main characteristic of GEOFRAC is that is based on statistical input representing fracture patterns in the field in form of the fracture intensity P32 (fracture area per volume) and the best estimate fracture size E(A). Recent developments in GEOFRAC allow the user to calculate the flow in a fractured medium. For this purpose the fractures are modeled as parallel plates and the flow rate can be calculated using the Poisseuille equation. This thesis explores the possibility of the application of GEOFRAC to model a geothermal reservoir. After modeling the fracture flow system of the reservoir, it is possible to obtain the flow rate in production. A parametric study was conducted in order to check the sensitivity of the output of the model and to explain how aperture, width and rotation (orientation distribution) of the fractures influence the resulting flow rate in the production well. A case study is also presented in this thesis in order to confirm the applicability of GEOFRAC to a real case. GEOFRAC is a structured MATLAB code composed of more than 100 functions. Examples on how to obtain P3 2 and E(A) from fracture trace lengths on outcrops are presented in the Appendix 1. A GUI was created in order to make GEOFRAC more accessible to the users. It should also be kept in mind that future improvements are the keys for a powerful tool that will let GEOFRAC to be used to optimize the location of the injection and production well in a geothermal system.

Application of the 3-D Hydro-Mechanical Model GEOFRAC in Enhanced Geothermal Systems

Author : Alessandra Vecchiarelli
Publisher :
ISBN 13 :
Total Pages : 171 pages
Book Rating : 4.:/5 (863 download)

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Book Synopsis Application of the 3-D Hydro-Mechanical Model GEOFRAC in Enhanced Geothermal Systems by : Alessandra Vecchiarelli

Download or read book Application of the 3-D Hydro-Mechanical Model GEOFRAC in Enhanced Geothermal Systems written by Alessandra Vecchiarelli and published by . This book was released on 2013 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt: GEOFRAC is a three-dimensional, geology-based, geometric-mechanical, hierarchical, stochastic model of natural rock fracture systems. The main characteristic of GEOFRAC is that it is based on statistical input representing fracture patterns in the field in form of the fracture intensity P32 (fracture area per volume) and the best estimate fracture size E[A]. Recent developments in GEOFRAC allow the user to calculate the flow in a fractured medium. For this purpose the fractures are modeled as parallel plates and the flow rate can be calculated using the Poisseuille equation. This thesis explores the possibility of the application of GEOFRAC to model a geothermal reservoir. After modeling the fracture flow system of the reservoir, it is possible to obtain the production flow rate. A parametric study was conducted in order to check the sensitivity of the output of the model. An attempt to explain how aperture, width and rotation (orientation distribution) of the fractures influence the resulting flow rate in the production well is presented. GEOFRAC is a structured MATLAB code composed of more than 100 functions. A GUI was created in order to make GEOFRAC more accessible to the users. Future improvements are the keys for a powerful tool that will let GEOFRAC to be used to optimize the location of the injection and production wells in a geothermal system.

Modeling Flow in Fractured Geologic Media

Author : Tawfik Rajeh
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (114 download)

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Book Synopsis Modeling Flow in Fractured Geologic Media by : Tawfik Rajeh

Download or read book Modeling Flow in Fractured Geologic Media written by Tawfik Rajeh and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fractures constitute major pathways for flow and transport in fractured porous rocks. These types of rocks are encountered in a wide range of applications like for example gas and petroleum engineering, CO2 sequestration and geothermal energy extraction. The present thesis presents a framework to analyze geometrical, topological and hydraulic properties of 3D planar fracture networks with focus on upscaling these properties to obtain an equivalent continuum, in view of application to simulations of geothermal reservoir exploitation. The description of fractures and discrete fracture networks (DFN), their statistical properties and their generation procedures are studied. As permeability plays a key role in flow and transport in fractured porous rocks, we have developed a fast upscaling approach for determining the equivalent permeability tensor of 3D fractured porous media. This new approach is based on the superposition principle improved by empirical connectivity factors in order to take into account the connectivity and percolation properties of the fracture network. Although efficient in predicting permeability, the proposed method presents a major limitation due mainly to the difficulty in assessing the percolation and connectivity properties of the network. To overcome these limitations and for further insightful analyses of DFN composed of planar fractures, an original framework of geometrical and topological analysis of 3D fracture networks has been developed. In this framework, all the geometrical and topological attributes (intersections, areas, trace lengths, clusters, percolating clusters, etc.) of a DFN are explicitly calculated by a set of algorithms. These algorithms are validated in detail by comparison to commercial softwares, and their computational efficiency is highlighted. The final purpose of this framework is to give a graph representation of the DFN. Given the newly developed tools, our capabilities of treating fracture networks have drastically increased. Hence, using a graph representation of the DFN, new approaches have been developed concerning two main issues with fracture networks: (i) percolation, (ii) clustering phenomenon (i.e., the formation of clusters by groups of fractures) and (iii) permeability upscaling. A large scale thermo-hydraulic simulator has therefore been developed with the finite volume open source code “OpenFoam”. The purpose is to apply the upscaling techniques to large scale reservoir configurations with a full coupling with heat transfer. A typical example of injectionproduction wells in a 3D geothermal reservoir is presented, and other cases are being developed within the GEOTREF project ( www.geotref.com ).

Petroleum Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 1674 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Petroleum Abstracts by :

Download or read book Petroleum Abstracts written by and published by . This book was released on 1986 with total page 1674 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Geothermal Energy Update

Author :
Publisher :
ISBN 13 :
Total Pages : 468 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Geothermal Energy Update by :

Download or read book Geothermal Energy Update written by and published by . This book was released on 1982-12 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Energy Research Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 638 pages
Book Rating : 4.U/5 (183 download)

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Book Synopsis Energy Research Abstracts by :

Download or read book Energy Research Abstracts written by and published by . This book was released on 1993 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fractured Porous Media

Author : Pierre M. Adler
Publisher : Oxford University Press, USA
ISBN 13 : 0199666512
Total Pages : 184 pages
Book Rating : 4.1/5 (996 download)

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Book Synopsis Fractured Porous Media by : Pierre M. Adler

Download or read book Fractured Porous Media written by Pierre M. Adler and published by Oxford University Press, USA. This book was released on 2013 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a systematic treatment of the geometrical and transport properties of fractures, fracture networks, and fractured porous media. It is divided into two major parts. The first part deals with geometry of individual fractures and of fracture networks. The use of the dimensionless density rationalizes the results for the percolation threshold of the networks. It presents the crucial advantage of grouping the numerical data for various fracture shapes. The second part deals mainly with permeability under steady conditions of fractures, fracture networks, and fractured porous media. Again the results for various types of networks can be rationalized by means of the dimensionless density. A chapter is dedicated to two phase flow in fractured porous media.

Applications of Heat, Mass and Fluid Boundary Layers

Author : R. O. Fagbenle
Publisher : Woodhead Publishing Limited
ISBN 13 : 012817949X
Total Pages : 530 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Applications of Heat, Mass and Fluid Boundary Layers by : R. O. Fagbenle

Download or read book Applications of Heat, Mass and Fluid Boundary Layers written by R. O. Fagbenle and published by Woodhead Publishing Limited. This book was released on 2020-02 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt: Applications of Heat, Mass and Fluid Boundary Layers brings together the latest research on boundary layers where there has been remarkable advancements in recent years. This book highlights relevant concepts and solutions to energy issues and environmental sustainability by combining fundamental theory on boundary layers with real-world industrial applications from, among others, the thermal, nuclear and chemical industries. The book's editors and their team of expert contributors discuss many core themes, including advanced heat transfer fluids and boundary layer analysis, physics of fluid motion and viscous flow, thermodynamics and transport phenomena, alongside key methods of analysis such as the Merk-Chao-Fagbenle method. This book's multidisciplinary coverage will give engineers, scientists, researchers and graduate students in the areas of heat, mass, fluid flow and transfer a thorough understanding of the technicalities, methods and applications of boundary layers, with a unified approach to energy, climate change and a sustainable future. Presents up-to-date research on boundary layers with very practical applications across a diverse mix of industries Includes mathematical analysis to provide detailed explanation and clarity Provides solutions to global energy issues and environmental sustainability

Mathematical Theory of Oil and Gas Recovery

Author : P. Bedrikovetsky
Publisher : Springer Science & Business Media
ISBN 13 : 9401722056
Total Pages : 596 pages
Book Rating : 4.4/5 (17 download)

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Book Synopsis Mathematical Theory of Oil and Gas Recovery by : P. Bedrikovetsky

Download or read book Mathematical Theory of Oil and Gas Recovery written by P. Bedrikovetsky and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is a pleasure to be asked to write the foreword to this interesting new book. When Professor Bedrikovetsky first accepted my invitation to spend an extended sabbatical period in the Department of Mineral Resources Engineering at Imperial College of Science, Technology and Medicine, I hoped it would be a period of fruitful collaboration. This book, a short course and a variety of technical papers are tangible evidence of a successful stay in the UK. I am also pleased that Professor Bedrikovetsky acted on my suggestion to publish this book with Kluwer as part of the petroleum publications for which I am Series Editor. The book derives much of its origin from the unpublished Doctor of Science thesis which Professor Bedrikovetsky prepared in Russian while at the Gubkin Institute. The original DSc contained a number of discrete publications unified by an analytical mathematics approach to fluid flow in petroleum reservoirs. During his sabbatical stay at Imperial College, Professor Bedrikovetsky has refined and extended many of the chapters and has discussed each one with internationally recognised experts in the field. He received great encouragement and editorial advice from Dr Gren Rowan, who pioneered analytical methods in reservoir modelling at BP for many years.

Sustainable Fuel Technologies Handbook

Author : Suman Dutta
Publisher : Academic Press
ISBN 13 : 0128225602
Total Pages : 594 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Sustainable Fuel Technologies Handbook by : Suman Dutta

Download or read book Sustainable Fuel Technologies Handbook written by Suman Dutta and published by Academic Press. This book was released on 2020-09-25 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sustainable Fuel Technologies Handbook provides a thorough thermodynamic analysis of new and current methods to give detailed insight into energy efficiency processes. This book includes the production methods, storage systems, and applications in various engines, as well as the safety related issues associated with all stages of production, storage, and utilization. With a comparison of cost implications and a techno-economic evaluation checking the feasibility of sustainable fuel use, this handbook is an invaluable reference source for researchers, professionals, and scientists working in the field of sustainability. The present power from solar, biomass, wind, hydrogen and other forms of renewable energy generated from sustainable sources can be harvested by various means and utilized in a variety of industries, supporting the need for clean fuels in modern society. However, there is still limited global availability and insufficient storage, which are required for efficient and effective harvesting of sustainable fuels. Discusses new and innovative sustainable fuel technologies Provides an integrated approach for modern tools, methodologies, and indicators in sustainable technologies Evaluates advanced fuel technologies alongside other transformational options

Flow and Transport in Porous Media and Fractured Rock

Author : Muhammad Sahimi
Publisher : John Wiley & Sons
ISBN 13 : 3527636706
Total Pages : 635 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Flow and Transport in Porous Media and Fractured Rock by : Muhammad Sahimi

Download or read book Flow and Transport in Porous Media and Fractured Rock written by Muhammad Sahimi and published by John Wiley & Sons. This book was released on 2011-05-09 with total page 635 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this standard reference of the field, theoretical and experimental approaches to flow, hydrodynamic dispersion, and miscible displacements in porous media and fractured rock are considered. Two different approaches are discussed and contrasted with each other. The first approach is based on the classical equations of flow and transport, called 'continuum models'. The second approach is based on modern methods of statistical physics of disordered media; that is, on 'discrete models', which have become increasingly popular over the past 15 years. The book is unique in its scope, since (1) there is currently no book that compares the two approaches, and covers all important aspects of porous media problems; and (2) includes discussion of fractured rocks, which so far has been treated as a separate subject. Portions of the book would be suitable for an advanced undergraduate course. The book will be ideal for graduate courses on the subject, and can be used by chemical, petroleum, civil, environmental engineers, and geologists, as well as physicists, applied physicist and allied scientists that deal with various porous media problems.

Carbon Capture and Storage

Author : Steve A. Rackley
Publisher : Butterworth-Heinemann
ISBN 13 : 0128120428
Total Pages : 699 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Carbon Capture and Storage by : Steve A. Rackley

Download or read book Carbon Capture and Storage written by Steve A. Rackley and published by Butterworth-Heinemann. This book was released on 2017-09-05 with total page 699 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon Capture and Storage, Second Edition, provides a thorough, non-specialist introduction to technologies aimed at reducing greenhouse gas emissions from burning fossil fuels during power generation and other energy-intensive industrial processes, such as steelmaking. Extensively revised and updated, this second edition provides detailed coverage of key carbon dioxide capture methods along with an examination of the most promising techniques for carbon storage. The book opens with an introductory section that provides background regarding the need to reduce greenhouse gas emissions, an overview of carbon capture and storage (CCS) technologies, and a primer in the fundamentals of power generation. The next chapters focus on key carbon capture technologies, including absorption, adsorption, and membrane-based systems, addressing their applications in both the power and non-power sectors. New for the second edition, a dedicated section on geological storage of carbon dioxide follows, with chapters addressing the relevant features, events, and processes (FEP) associated with this scenario. Non-geological storage methods such as ocean storage and storage in terrestrial ecosystems are the subject of the final group of chapters. A chapter on carbon dioxide transportation is also included. This extensively revised and expanded second edition will be a valuable resource for power plant engineers, chemical engineers, geological engineers, environmental engineers, and industrial engineers seeking a concise, yet authoritative one-volume overview of this field. Researchers, consultants, and policy makers entering this discipline also will benefit from this reference. - Provides all-inclusive and authoritative coverage of the major technologies under consideration for carbon capture and storage - Presents information in an approachable format, for those with a scientific or engineering background, as well as non-specialists - Includes a new Part III dedicated to geological storage of carbon dioxide, covering this topic in much more depth (9 chapters compared to 1 in the first edition) - Features revisions and updates to all chapters - Includes new sections or expanded content on: chemical looping/calcium looping; life-cycle GHG assessment of CCS technologies; non-power industries (e.g. including pulp/paper alongside ones already covered); carbon negative technologies (e.g. BECCS); gas-fired power plants; biomass and waste co-firing; and hydrate-based capture

Single-phase, Two-phase and Supercritical Natural Circulation Systems

Author : Pallippattu Krishnan Vijayan
Publisher : Woodhead Publishing
ISBN 13 : 0081024878
Total Pages : 651 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Single-phase, Two-phase and Supercritical Natural Circulation Systems by : Pallippattu Krishnan Vijayan

Download or read book Single-phase, Two-phase and Supercritical Natural Circulation Systems written by Pallippattu Krishnan Vijayan and published by Woodhead Publishing. This book was released on 2019-06-19 with total page 651 pages. Available in PDF, EPUB and Kindle. Book excerpt: Single-Phase, Two-Phase and Supercritical Natural Circulation Systems provides readers with a deep understanding of natural circulation systems. This book equips the reader with an understanding on how to detect unstable loops to ensure plant safety and reliability, calculate heat transport capabilities, and design effective natural circulation loops, stability maps and parallel channel systems. Each chapter begins with an introduction to the circulation system before discussing each element in detail and analyzing its effect on the performance of the system. The book also presents thermosyphon heat transport devices in nuclear and other industrial plants, a common information need for students and researchers alike. This book is invaluable for engineers, designers, operators and consultants in nuclear, mechanical, electrical and chemical disciplines. - Presents single-phase, two-phase and supercritical natural circulation systems together in one resource to fill an existing knowledge gap - Guides the reader through relevant processes, such as designing, analyzing and generating stability maps and natural circulation loops, calculating heat transport capabilities, and maintaining natural circulation system operations - Includes global case studies and examples to increase understanding, along with important IAEA standards and procedures

Interference Problems on Wing-fuselage Combinations in Inviscid, Incompressible Flow

Author : Aeronautical Research Council (Great Britain)
Publisher :
ISBN 13 : 9780114709266
Total Pages : 1212 pages
Book Rating : 4.7/5 (92 download)

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Book Synopsis Interference Problems on Wing-fuselage Combinations in Inviscid, Incompressible Flow by : Aeronautical Research Council (Great Britain)

Download or read book Interference Problems on Wing-fuselage Combinations in Inviscid, Incompressible Flow written by Aeronautical Research Council (Great Britain) and published by . This book was released on 1974 with total page 1212 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government Reports Annual Index

Author :
Publisher :
ISBN 13 :
Total Pages : 1212 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Government Reports Annual Index by :

Download or read book Government Reports Annual Index written by and published by . This book was released on 1983 with total page 1212 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.

Applied Petroleum Geomechanics

Author : Test Test
Publisher : Gulf Professional Publishing
ISBN 13 : 0128148152
Total Pages : 536 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Applied Petroleum Geomechanics by : Test Test

Download or read book Applied Petroleum Geomechanics written by Test Test and published by Gulf Professional Publishing. This book was released on 2019-06-15 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: Applied Petroleum Geomechanics provides a bridge between theory and practice as a daily use reference that contains direct industry applications. Going beyond the basic fundamentals of rock properties, this guide covers critical field and lab tests, along with interpretations from actual drilling operations and worldwide case studies, including abnormal formation pressures from many major petroleum basins. Rounding out with borehole stability solutions and the geomechanics surrounding hydraulic fracturing and unconventional reservoirs, this comprehensive resource gives petroleum engineers a much-needed guide on how to tackle today's advanced oil and gas operations. - Presents methods in formation evaluation and the most recent advancements in the area, including tools, techniques and success stories - Bridges the gap between theory of rock mechanics and practical oil and gas applications - Helps readers understand pore pressure calculations and predictions that are critical to shale and hydraulic activity

Rock Fractures and Fluid Flow

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309049962
Total Pages : 568 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Rock Fractures and Fluid Flow by : National Research Council

Download or read book Rock Fractures and Fluid Flow written by National Research Council and published by National Academies Press. This book was released on 1996-08-27 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scientific understanding of fluid flow in rock fracturesâ€"a process underlying contemporary earth science problems from the search for petroleum to the controversy over nuclear waste storageâ€"has grown significantly in the past 20 years. This volume presents a comprehensive report on the state of the field, with an interdisciplinary viewpoint, case studies of fracture sites, illustrations, conclusions, and research recommendations. The book addresses these questions: How can fractures that are significant hydraulic conductors be identified, located, and characterized? How do flow and transport occur in fracture systems? How can changes in fracture systems be predicted and controlled? Among other topics, the committee provides a geomechanical understanding of fracture formation, reviews methods for detecting subsurface fractures, and looks at the use of hydraulic and tracer tests to investigate fluid flow. The volume examines the state of conceptual and mathematical modeling, and it provides a useful framework for understanding the complexity of fracture changes that occur during fluid pumping and other engineering practices. With a practical and multidisciplinary outlook, this volume will be welcomed by geologists, petroleum geologists, geoengineers, geophysicists, hydrologists, researchers, educators and students in these fields, and public officials involved in geological projects.