Rock Fractures and Fluid Flow: Contemporary Understanding and Applications

Rock Fractures and Fluid Flow: Contemporary Understanding and Applications poster
CategoryUncategorized
Pages568
ISBN100309563488
Tagsappendix flow fluid fracture fractures
DescriptionRock Fractures and Fluid Flow: Contemporary Understanding and Applications Committee on Fracture Characterization and Fluid FlowNational Academies Press / National Research Council | 1996 | ISBN: , 0309049962, 0309103711 | 568 pages | PDF | 15 MB Scientific understanding of fluid flow in rock fractures--a process underlying contemporary earth science problems from the search for petroleum to the controversy over nuclear waste storage--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.PDF: • | • • | • DJVU: • | • • | • 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.ContentsEXECUTIVE SUMMARY 1 Rock Fractures and Fluid Flow: Practical Problems Problems Involving Fractures In Engineering Practice Appendix 1.A, Fractures in The Geysers Field Appendix 1.B, Superfund Site: Byron Salvage Yard References 2 Physical Characteristics of Fractures and Fracture Patterns Definition and Classification Genesis of Fractures Flaws, Stress Concentration, and Fracture Initiation Fracture Propagation and Internal Structures Fracture Geometries Fracture Sets Interaction and Linkage of Joints Interaction and Linkage of Faults Fracture Zones Multiple Sets of Fractures Scaling Up Fracture Properties Implications for Fracture Network Models Appendix 2.A, Diagenetic Enhancement of Natural Fracture PermeabilityAppendix 2.B, Fracture Patterns in Frontier Formation Sandstones, Southwestern WyomingAppendix 2.C, Role of Pore Fluids in the San Andreas Fault References 3 Physical Properties and Fundamental Processes in Fractures Geometric Properties And Stress Effects Single-Phase Fluid Flow in Fractures Solute Transport Two-Phase Immiscible Fluid Flow Seismic Properties Electrical Properties Summary Appendix 3.A, Seismic Displacement Discontinuity Theory Appendix 3.B, Gravity-Driven Infiltration Flow Instability 1Appendix 3.C, Influence of Two-Phase Structure on Fracture Permeability and Solute TransportReferences 4 Fracture Detection Methods Surface Methods Borehole-Borehole and Borehole-Surface Methods Single-Hole Methods Fluid Flow Monitoring Using Geophysical Methods Discussion Appendix 4.A, Directional Borehole Radar System Appendix 4.B, Summary of Conventional Log Applications in Fracture StudiesAppendix 4.C, Flowmeter Case Studies Appendix 4.D, Example of Shear-Wave Anisotropy in Fractured ReservoirsReferences 5 Hydraulic and Tracer Testing of Fractured Rocks Hydraulic Tests Tracer Tests Appendix 5.A, Example of a Conductive Network Exhibiting Fractal GeometryAppendix 5.B, Using a Multiple-Borehole Test to Determine the Hydraulic Conductivity Tensor of a Rock MassAppendix 5.C, Using a Numerical Model and Inverse Method to Analyze a Multiple-Borehole Hydraulic TestAppendix 5.D, A Radially Convergent Flow Tracer Test in a Fractured Chalk FormationAppendix 5.E, A Large-Scale Flow and Tracer Experiment in GraniteAppendix 5.F, Diagnostic Well Test Analysis at the Fracture Research InvestigationAppendix 5.G, The Fracture Zone Project at Finnsjön References 6 Field-Scale Flow and Transport Models Development of Conceptual and Mathematical Models Equivalent Continuum Simulation Models Discrete Network Simulation Models Hybrid Methods: Using Discrete Network Models in Building Continuum ApproximationsDiscrete Network Models with Scale-Dependent Properties Models of More Complex Hydrogeological Systems Summary Appendix 6.A, Model Prediction Using a Continuum Approach: The URL Drawdown ExperimentAppendix 6.B, Percolation Theory Appendix 6.C, Connectivity References 7 Induced Changes to Fracture Systems Changes in Fracture Void Geometry Due to Changes in Effective StressChanges in Fracture Fluids Addition of Solids Redistribution of Existing Solids by Chemical Processes Engineering Under Uncertain Conditions Summary of Deficiencies and Research Needs Appendix 7.A, Natural Fracturing Appendix 7.B, Drainage Methods in Construction References 8 Case Histories Case History I. U.S. Geological Survey Fractured Rock Research Site Near Mirror Lake, New HampshireCase History II. The Site Characterization and Validation Project: Stripa Mine, SwedenCase History III. Hydrocarbon Production From Fractured Sedimentary Rocks: Multiwell Experiment SiteCase History IV. Investigating the Anatomy of a Low-DippingFracture Zone in Crystalline Rocks: Underground Research Laboratory, ManitobaCase History V. Fracture Studies in a Geothermal Reservoir: The Geysers Geothermal Field, CaliforniaReferences 9 Technical Summary How Can Fractures That Are Significant Hydraulic Conductors be Identified, Located, and Characterized?How Do Fluid Flow and Chemical Transport Occur in Fracture Systems?How Can Changes to Fracture Systems be Predicted and Controlled?Reference APPENDIX A: Committee's Statement of Task INDEX with TOC BookMarkLinksPDF: • | • • | • DJVU: • | • • | • More :

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