Insight From Modelling Discrete Fractures Using Geocrack

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Insight from Modelling Discrete Fractures Using GEOCRACK.

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis Insight from Modelling Discrete Fractures Using GEOCRACK. by :

Download or read book Insight from Modelling Discrete Fractures Using GEOCRACK. written by and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This work analyzes the behavior of a numerical geothermal reservoir simulation with flow only in discrete fractures. GEOCRACK is a 2-D finite element model developed at Kansas State University for the Hot Dry Rock (HDR) research at Los Alamos National Laboratory. Its numerical simulations couple the mechanics of discrete fracture behavior with the state of earth stress, fluid flow, and heat transfer. This coupled model could also be of value for modeling reinjection and other reservoir operating strategies for liquid dominated fractured reservoirs. Because fracture surfaces cool quickly by fluid convection, and heat does not conduct quickly from the interior of reservoir rock, modeling the injection of cold fluid into a fractured reservoir is better simulated by a model with discrete fractures. This work contains knowledge gained from HDR reservoir simulation and continues to develop the general concept of heat mining, reservoir optimization. and the sensitivity of simulation to the uncertainties of fracture spacing and dynamic flow dispersion.

Workshop Report

Author :
Publisher :
ISBN 13 :
Total Pages : 608 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Workshop Report by :

Download or read book Workshop Report written by and published by . This book was released on 1996 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Computer Methods and Recent Advances in Geomechanics

Author : Fusao Oka
Publisher : CRC Press
ISBN 13 : 1315733196
Total Pages : 2049 pages
Book Rating : 4.3/5 (157 download)

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Book Synopsis Computer Methods and Recent Advances in Geomechanics by : Fusao Oka

Download or read book Computer Methods and Recent Advances in Geomechanics written by Fusao Oka and published by CRC Press. This book was released on 2014-09-04 with total page 2049 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computer Methods and Recent Advances in Geomechanics covers computer methods, material modeling and testing, applications to a wide range of geomechanical issues, and recent advances in various areas that may not necessarily involve computer methods, and will be of interest to researchers and engineers involved in geotechnical mechanics and geo-engineering.

Federal Geothermal Research Program Update, Fiscal Year 1995

Author : Geothermal Research Program (U.S.)
Publisher :
ISBN 13 :
Total Pages : 492 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Federal Geothermal Research Program Update, Fiscal Year 1995 by : Geothermal Research Program (U.S.)

Download or read book Federal Geothermal Research Program Update, Fiscal Year 1995 written by Geothermal Research Program (U.S.) and published by . This book was released on 1996 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Modelling the Evolution of Natural Fracture Networks

Author : Michael John Welch
Publisher : Springer Nature
ISBN 13 : 3030524140
Total Pages : 237 pages
Book Rating : 4.0/5 (35 download)

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Book Synopsis Modelling the Evolution of Natural Fracture Networks by : Michael John Welch

Download or read book Modelling the Evolution of Natural Fracture Networks written by Michael John Welch and published by Springer Nature. This book was released on 2020-09-18 with total page 237 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents and describes an innovative method to simulate the growth of natural fractural networks in different geological environments, based on their geological history and fundamental geomechanical principles. The book develops techniques to simulate the growth and interaction of large populations of layer-bound fracture directly, based on linear elastic fracture mechanics and subcritical propagation theory. It demonstrates how to use these techniques to model the nucleation, propagation and interaction of layer-bound fractures in different orientations around large scale geological structures, based on the geological history of the structures. It also explains how to use these techniques to build more accurate discrete fracture network (DFN) models at a reasonable computational cost. These models can explain many of the properties of natural fracture networks observed in outcrops, using actual outcrop examples. Finally, the book demonstrates how it can be incorporated into flow modelling workflows using subsurface examples from the hydrocarbon and geothermal industries. Modelling the Evolution of Natural Fracture Networks will be of interest to anyone curious about understanding and predicting the evolution of complex natural fracture networks across large geological structures. It will be helpful to those modelling fluid flow through fractures, or the geomechanical impact of fracture networks, in the hydrocarbon, geothermal, CO2 sequestration, groundwater and engineering industries.

Discrete Fracture Network Modeling of Hydraulic Stimulation

Author : Mark McClure
Publisher : Springer
ISBN 13 : 9783319003825
Total Pages : 90 pages
Book Rating : 4.0/5 (38 download)

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Book Synopsis Discrete Fracture Network Modeling of Hydraulic Stimulation by : Mark McClure

Download or read book Discrete Fracture Network Modeling of Hydraulic Stimulation written by Mark McClure and published by Springer. This book was released on 2013-07-09 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discrete Fracture Network Modeling of Hydraulic Stimulation describes the development and testing of a model that couples fluid-flow, deformation, friction weakening, and permeability evolution in large, complex two-dimensional discrete fracture networks. The model can be used to explore the behavior of hydraulic stimulation in settings where matrix permeability is low and preexisting fractures play an important role, such as Enhanced Geothermal Systems and gas shale. Used also to describe pure shear stimulation, mixed-mechanism stimulation, or pure opening-mode stimulation. A variety of novel techniques to ensure efficiency and realistic model behavior are implemented, and tested. The simulation methodology can also be used as an efficient method for directly solving quasistatic fracture contact problems. Results show how stresses induced by fracture deformation during stimulation directly impact the mechanism of propagation and the resulting fracture network.

Geothermal Development in the Pacific Rim

Author :
Publisher : Geothermal Resources Council
ISBN 13 :
Total Pages : 904 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Geothermal Development in the Pacific Rim by :

Download or read book Geothermal Development in the Pacific Rim written by and published by Geothermal Resources Council. This book was released on 1996 with total page 904 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Thermo-Hydro-Mechanical-Chemical Processes in Porous Media

Author : Olaf Kolditz
Publisher : Springer Science & Business Media
ISBN 13 : 3642271774
Total Pages : 390 pages
Book Rating : 4.6/5 (422 download)

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Book Synopsis Thermo-Hydro-Mechanical-Chemical Processes in Porous Media by : Olaf Kolditz

Download or read book Thermo-Hydro-Mechanical-Chemical Processes in Porous Media written by Olaf Kolditz and published by Springer Science & Business Media. This book was released on 2012-04-06 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book comprises an assembly of benchmarks and examples for porous media mechanics collected over the last twenty years. Analysis of thermo-hydro-mechanical-chemical (THMC) processes is essential to many applications in environmental engineering, such as geological waste deposition, geothermal energy utilisation, carbon capture and storage, water resources management, hydrology, even climate chance. In order to assess the feasibility as well as the safety of geotechnical applications, process-based modelling is the only tool to put numbers, i.e. to quantify future scenarios. This charges a huge responsibility concerning the reliability of computational tools. Benchmarking is an appropriate methodology to verify the quality of modelling tools based on best practices. Moreover, benchmarking and code comparison foster community efforts. The benchmark book is part of the OpenGeoSys initiative - an open source project to share knowledge and experience in environmental analysis and scientific computation.

Fundamentals of Discrete Element Methods for Rock Engineering: Theory and Applications

Author : Lanru Jing
Publisher : Elsevier
ISBN 13 : 0080551858
Total Pages : 563 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Fundamentals of Discrete Element Methods for Rock Engineering: Theory and Applications by : Lanru Jing

Download or read book Fundamentals of Discrete Element Methods for Rock Engineering: Theory and Applications written by Lanru Jing and published by Elsevier. This book was released on 2007-07-18 with total page 563 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents some fundamental concepts behind the basic theories and tools of discrete element methods (DEM), its historical development, and its wide scope of applications in geology, geophysics and rock engineering. Unlike almost all books available on the general subject of DEM, this book includes coverage of both explicit and implicit DEM approaches, namely the Distinct Element Methods and Discontinuous Deformation Analysis (DDA) for both rigid and deformable blocks and particle systems, and also the Discrete Fracture Network (DFN) approach for fluid flow and solute transport simulations. The latter is actually also a discrete approach of importance for rock mechanics and rock engineering. In addition, brief introductions to some alternative approaches are also provided, such as percolation theory and Cosserat micromechanics equivalence to particle systems, which often appear hand-in-hand with the DEM in the literature. Fundamentals of the particle mechanics approach using DEM for granular media is also presented.· Presents the fundamental concepts of the discrete models for fractured rocks, including constitutive models of rock fractures and rock masses for stress, deformation and fluid flow· Provides a comprehensive presentation on discrete element methods, including distinct elements, discontinuous deformation analysis, discrete fracture networks, particle mechanics and Cosserat representation of granular media· Features constitutive models of rock fractures and fracture system characterization methods detaiing their significant impacts on the performance and uncertainty of the DEM models

Heat Mining

Author : H. Christopher H. Armstead
Publisher : Spon Press
ISBN 13 :
Total Pages : 500 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Heat Mining by : H. Christopher H. Armstead

Download or read book Heat Mining written by H. Christopher H. Armstead and published by Spon Press. This book was released on 1987 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: Very Good,No Highlights or Markup,all pages are intact.

Fundamentals of Rock Joints

Author : Ove Stephansson
Publisher :
ISBN 13 :
Total Pages : 672 pages
Book Rating : 4.:/5 (44 download)

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Book Synopsis Fundamentals of Rock Joints by : Ove Stephansson

Download or read book Fundamentals of Rock Joints written by Ove Stephansson and published by . This book was released on 1985 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Vibration Problems in Structures

Author : Hugo Bachmann
Publisher : Birkhäuser
ISBN 13 : 3034892314
Total Pages : 248 pages
Book Rating : 4.0/5 (348 download)

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Book Synopsis Vibration Problems in Structures by : Hugo Bachmann

Download or read book Vibration Problems in Structures written by Hugo Bachmann and published by Birkhäuser. This book was released on 2012-12-06 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Authors: Hugo Bachmann, Walter J. Ammann, Florian Deischl, Josef Eisenmann, Ingomar Floegl, Gerhard H. Hirsch, Günter K. Klein, Göran J. Lande, Oskar Mahrenholtz, Hans G. Natke, Hans Nussbaumer, Anthony J. Pretlove, Johann H. Rainer, Ernst-Ulrich Saemann, Lorenz Steinbeisser. Large structures such as factories, gymnasia, concert halls, bridges, towers, masts and chimneys can be detrimentally affected by vibrations. These vibrations can cause either serviceability problems, severely hampering the user's comfort, or safety problems. The aim of this book is to provide structural and civil engineers working in construction and environmental engineering with practical guidelines for counteracting vibration problems. Dynamic actions are considered from the following sources of vibration: - human body motions, - rotating, oscillating and impacting machines, - wind flow, - road traffic, railway traffic and construction work. The main section of the book presents tools that aid in decision-making and in deriving simple solutions to cases of frequently occurring "normal" vibration problems. Complexer problems and more advanced solutions are also considered. In all cases these guidelines should enable the engineer to decide on appropriate solutions expeditiously. The appendices of the book contain fundamentals essential to the main chapters.

Geothermal Reservoir Engineering

Author : E. Okandan
Publisher : Springer Science & Business Media
ISBN 13 : 9400936915
Total Pages : 327 pages
Book Rating : 4.4/5 (9 download)

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Book Synopsis Geothermal Reservoir Engineering by : E. Okandan

Download or read book Geothermal Reservoir Engineering written by E. Okandan and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the oil crisis of 1973, we suddenly became aware that fossil fuel resources are limited and will be exhausted soon if new alternatives are not put into use immediately. Conservation measures and extensive research on new sources of energy has eased the demand on fossil fuels, especially crude oil. Geothermal energy as an alternative; source had its share in this devel opment and electricity producing capacity increased from 700 to 4700 MWe during 1970 to 1985. Geothermal reservoir engineering emerged as an impor tant field in the assessment of geothermal sources. During the 25 years of its development, several areas were identified that needed further at tention for the correct description and interpretation of reservoir be havior. This fact as accepted by all operators is vital for the steady and continuous operation of power plants. During this NATO ASI, a detailed review of theory and field case his tories on geothermal reservoir engineering was presented. In understanding .the reservoir, conceptual models, natural state models, well bore measure ments, transient and tracer testing provide data which are indispensable. They are powerful tools in understanding reservoir behavior provided we know how to interpret them. During lectures the theory and practical applications of these interpretive methods were discussed.

UAV Photogrammetry and Remote Sensing

Author : Fernando Carvajal-Ramírez
Publisher : MDPI
ISBN 13 : 3036514546
Total Pages : 257 pages
Book Rating : 4.0/5 (365 download)

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Book Synopsis UAV Photogrammetry and Remote Sensing by : Fernando Carvajal-Ramírez

Download or read book UAV Photogrammetry and Remote Sensing written by Fernando Carvajal-Ramírez and published by MDPI. This book was released on 2021-09-06 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: The concept of remote sensing as a way of capturing information from an object without making contact with it has, until recently, been exclusively focused on the use of Earth observation satellites. The emergence of unmanned aerial vehicles (UAV) with Global Navigation Satellite System (GNSS) controlled navigation and sensor-carrying capabilities has increased the number of publications related to new remote sensing from much closer distances. Previous knowledge about the behavior of the Earth's surface under the incidence different wavelengths of energy has been successfully applied to a large amount of data recorded from UAVs, thereby increasing the special and temporal resolution of the products obtained. More specifically, the ability of UAVs to be positioned in the air at pre-programmed coordinate points; to track flight paths; and in any case, to record the coordinates of the sensor position at the time of the shot and at the pitch, yaw, and roll angles have opened an interesting field of applications for low-altitude aerial photogrammetry, known as UAV photogrammetry. In addition, photogrammetric data processing has been improved thanks to the combination of new algorithms, e.g., structure from motion (SfM), which solves the collinearity equations without the need for any control point, producing a cloud of points referenced to an arbitrary coordinate system and a full camera calibration, and the multi-view stereopsis (MVS) algorithm, which applies an expanding procedure of sparse set of matched keypoints in order to obtain a dense point cloud. The set of technical advances described above allows for geometric modeling of terrain surfaces with high accuracy, minimizing the need for topographic campaigns for georeferencing of such products. This Special Issue aims to compile some applications realized thanks to the synergies established between new remote sensing from close distances and UAV photogrammetry.

Truckee-Carson-Pyramid Lake Water Rights Settlement Act

Author : United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on Water and Power
Publisher :
ISBN 13 :
Total Pages : 788 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Truckee-Carson-Pyramid Lake Water Rights Settlement Act by : United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on Water and Power

Download or read book Truckee-Carson-Pyramid Lake Water Rights Settlement Act written by United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on Water and Power and published by . This book was released on 1990 with total page 788 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Geothermal Resources

Author : R. Bowen
Publisher : Springer Science & Business Media
ISBN 13 : 9400911033
Total Pages : 495 pages
Book Rating : 4.4/5 (9 download)

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Book Synopsis Geothermal Resources by : R. Bowen

Download or read book Geothermal Resources written by R. Bowen and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 495 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the Arab oil embargo of 1974, it has been clear that the days of almost limitless quantities of low-cost energy have passed. In addition, ever worsening pollution due to fossil fuel consumption, for instance oil and chemical spills, strip mining, sulphur emission and accumulation of solid wastes, has, among other things, led to an increase of as much as 10% in the carbon dioxide content of the atmosphere in this century. This has induced a warming trend through the 'greenhouse effect' which prevents infrared radiation from leaving it. Many people think the average planetary temperatures may rise by 4°C or so by 2050. This is probably true since Antarctic ice cores evidence indicates that, over the last 160000 years, ice ages coincided with reduced levels of carbon dioxide and warmer interglacial episodes with increased levels of the gas in the atmosphere. Consequently, such an elevation of temperature over such a relatively short span of time would have catastrophic results in terms of rising sea level and associated flooding of vast tracts of low-lying lands. Reducing the burning of fossil fuels makes sense on both economic and environmental grounds. One of the most attractive alternatives is geothermal resources, especially in developing countries, for instance in El Salvador where geothermal energy provides about a fifth of total installed electrical power already. In fact, by the middle 1980s, at least 121 geothermal power plants were operating worldwide, most being of the dry steam type.

River to Reservoir

Author : P. Corbett
Publisher : Geological Society of London
ISBN 13 : 1786204312
Total Pages : 297 pages
Book Rating : 4.7/5 (862 download)

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Book Synopsis River to Reservoir by : P. Corbett

Download or read book River to Reservoir written by P. Corbett and published by Geological Society of London. This book was released on 2019-12-02 with total page 297 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume brings together a number of papers from two workshops with the theme, ‘Rain, Rivers, Reservoirs’, which considered the dynamic changes to river systems as part of natural processes, particularly changing climatic conditions. Bringing researchers from two different locations to Brazil and the UK allowed scientists to contribute to and promote, ‘debate on current research…on how the planet works and how we can live sustainably on it’. This volume features a series of papers on the geoscience of modern and ancient rivers from across the world (Brazil, United States, Spain, Argentina, Canada, India and the UK), their evolution through time, their management, their deposits and their engineering, with both subsurface aquifers/hydrocarbon reservoirs (of Carboniferous, Triassic and Cretaceous age) and surface reservoirs considered.