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Author : F. L. Paillet
Publisher :
ISBN 13 :
Total Pages : 42 pages
Book Rating : 4.3/5 (121 download)
Download or read book Application of Borehole Geophysics in the Characterization of Flow in Fractured Rocks written by F. L. Paillet and published by . This book was released on 1994 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : F. L. Paillet
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (125 download)
Download or read book Application of Borehole Geophysics in the Characterization of Flow in Fractured Rocks written by F. L. Paillet and published by . This book was released on 1994 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Committee on Fracture Characterization and Fluid Flow
Publisher : National Academies Press
ISBN 13 : 0309563488
Total Pages : 568 pages
Book Rating : 4.3/5 (95 download)
Download or read book Rock Fractures and Fluid Flow written by Committee on Fracture Characterization and Fluid Flow and published by National Academies Press. This book was released on 1996-09-10 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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. 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.
Author :
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.3/5 (91 download)
Download or read book Use of Advanced Borehole Geophysical Techniques to Delineate Fractured-rock Ground-water Flow and Fractures Along Water-tunnel Facilities in Northern Queens County, New York written by and published by . This book was released on 2001 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 19 pages
Book Rating : 4.:/5 (933 download)
Download or read book Using Borehole Geophysics and Cross-borehole Flow Testing to Define Hydraulic Connections Between Fracture Zones in Bedrock Aquifers written by and published by . This book was released on 1993 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nearly a decade of intensive geophysical logging at fractured rock hydrology research sites indicates that geophysical logs can be used to identify and characterize fractures intersecting boreholes. However, borehole-to-borehole flow tests indicate that only a few of the apparently open fractures found to intersect boreholes conduct flow under test conditions. This paper presents a systematic approach to fracture characterization designed to define the distribution of fractures along boreholes, relate the measured fracture distribution to structure and lithology of the rock mass, and define the nature of fracture flow paths across borehole arrays. Conventional electrical resistivity, gamma, and caliper logs are used to define lithology and large-scale structure. Borehole wall image logs obtained with the borehole televiewer are used to give the depth, orientation, and relative size of fractures in situ. High-resolution flowmeter measurements are used to identify fractures conducting flow in the rock mass adjacent to the boreholes. Changes in the flow field over time are used to characterize the hydraulic properties of fracture intersections between boreholes. Application of this approach to an array of 13 boreholes at the Mirror Lake, New Hamsphire site demonstrates that the transient flow analysis can be used to distinguish between fractures communicating with each other between observation boreholes, and those that are hydraulically isolated from each other in the surrounding rock mass. The Mirror Lake results also demonstrate that the method is sensitive to the effects of boreholes on the hydraulic properties of the fractured-rock aquifer. Experiments conducted before and after the drilling of additional boreholes in the array and before and after installation of packers in existing boreholes demonstrate that the presence of new boreholes or the inflation of packers in existing boreholes has a large effect on the measured hydraulic properties of the rock mass surrounding the borehole array.
Author : AE. Hess
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (125 download)
Download or read book Applications of the Thermal-Pulse Flowmeter in the Hydraulic Characterization of Fractured Rocks written by AE. Hess and published by . This book was released on 1990 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: The U.S. Geological Survey has developed a thermal-pulse flowmeter capable of detecting borehole flows to as small as 0.04 L/min. This new flowmeter provides much greater sensitivity to slow vertical flow than that available using conventional spinner flowmeters. This paper describes five applications of the thermal-pulse flowmeter in the characterization of the hydrology of fractured rocks. These applications include measurement of flows in boreholes driven by ambient hydraulic-head differences, identification of fractures contributing flow during production tests, inference of fracture interconnections during aquifer tests, interpretation of water-quality contrasts in boreholes, and identification of fractures affected by hydraulic stimulation procedures. Each of the five applications is illustrated by specific examples selected from ongoing research activities at various fracture hydrology study sites.
Author : F. L. Paillet
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.3/5 (91 download)
Download or read book Identification, Characterization, and Analysis of Hydraulically Conductive Fractures in Granitic Basement Rocks, Millville, Massachusetts written by F. L. Paillet and published by . This book was released on 1994 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: ... Presents geophysical well-log data and interpretations used to identify and characterize fractures and to analyze fracture distribution and fracture flow at a site in south-central MA; data include borehole wall images, caliper logs that indicate the distribution of fractures in five boreholes located along the axis of the distribution of contaminated wells and flowmeter profiles obtained under ambient hydraulic-head conditions and during injection tests ...
Author : Kamini Singha
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (318 download)
Download or read book Borehole-radar Methods written by Kamini Singha and published by . This book was released on 2000 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.3/5 (243 download)
Download or read book Geophysical Well Log Analysis of Fractured Granitic Rocks written by and published by . This book was released on 1987 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : F. L. Paillet
Publisher :
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.3/5 (91 download)
Download or read book Analysis of the Results of Hydraulic-fracture Stimulation of Two Crystalline Bedrock Boreholes, Grand Portage, Minnesota written by F. L. Paillet and published by . This book was released on 1994 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : F. L. Paillet
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.3/5 (121 download)
Download or read book Geophysical well log analysis of fractured granitic rocks at Atikokan, Ontario, Canada written by F. L. Paillet and published by . This book was released on 1987 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Judith L. Robinson
Publisher :
ISBN 13 :
Total Pages : 146 pages
Book Rating : 4.:/5 (922 download)
Download or read book Improving Characterization of Fractured Rock Using 3D Cross-borehole Electrical Resistivity Tomography (ERT) written by Judith L. Robinson and published by . This book was released on 2015 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is a growing need to understand the hydraulic properties of fractured rock for the development and extraction of natural resources and also to engineer remediation strategies at contaminated sites. The characterization of fractured rock is inherently complex due to the multifaceted interrelationships between stress, temperature, roughness and fracture geometry that affect hydraulic conductivity and flow paths that have hydraulic properties varying over orders of magnitude. Often, sparse data points are interpolated from borehole locations to infer the spatial distribution of flow and transport within fractures. However, these fracture distributions are often poorly resolved due to the heterogeneity of these networks between the borehole locations. Electrical resistivity tomography (ERT) is a viable technology to characterize fractured rock as the electrical pathways mimic hydraulic pathways in fractured rock, assuming surface conduction is small. Previous work using ERT in fractured rock gave limited hydrogeological information due to finite element modeling techniques which were not physically appropriate for fractured rock and lack of instrumentation to permit imaging of isolated fracture zones. Synthetic and field datasets were used to incorporate field information to yield an improved hydrogeological interpretation. Specifically, model constraints were incorporated in the inversion modeling and borehole deviations defining these boundaries were explicitly defined in the discretization. Where this information was incorporated, ERT time-lapse changes in conductivity were more focused surrounding fracture locations and borehole effects were minimized. A rigorous examination of localized effects of de-regularization was undertaken and it was found that uncertainty in these boundaries can lead to spurious inversion artifacts. Electrode arrays within seven boreholes were designed, which included isolation bladders and a water sample/injection line. This design facilitated multiple tracer tests in a fractured mudstone to be conducted. The spatial scale of this experiment was such that the primary hydrogeological heterogeneity controlling flow and transport was captured, providing unique information relative to that acquired from borehole logging methods alone. The modeling techniques and instrumentation advancements detailed in this dissertation demonstrates the potential of ERT at fractured rock sites to work towards creating comprehensive flow and transport models.
Author : National Academies of Sciences, Engineering, and Medicine
Publisher : National Academies Press
ISBN 13 : 0309373727
Total Pages : 177 pages
Book Rating : 4.3/5 (93 download)
Download or read book Characterization, Modeling, Monitoring, and Remediation of Fractured Rock written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2021-01-29 with total page 177 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fractured rock is the host or foundation for innumerable engineered structures related to energy, water, waste, and transportation. Characterizing, modeling, and monitoring fractured rock sites is critical to the functioning of those infrastructure, as well as to optimizing resource recovery and contaminant management. Characterization, Modeling, Monitoring, and Remediation of Fractured Rock examines the state of practice and state of art in the characterization of fractured rock and the chemical and biological processes related to subsurface contaminant fate and transport. This report examines new developments, knowledge, and approaches to engineering at fractured rock sites since the publication of the 1996 National Research Council report Rock Fractures and Fluid Flow: Contemporary Understanding and Fluid Flow. Fundamental understanding of the physical nature of fractured rock has changed little since 1996, but many new characterization tools have been developed, and there is now greater appreciation for the importance of chemical and biological processes that can occur in the fractured rock environment. The findings of Characterization, Modeling, Monitoring, and Remediation of Fractured Rock can be applied to all types of engineered infrastructure, but especially to engineered repositories for buried or stored waste and to fractured rock sites that have been contaminated as a result of past disposal or other practices. The recommendations of this report are intended to help the practitioner, researcher, and decision maker take a more interdisciplinary approach to engineering in the fractured rock environment. This report describes how existing tools-some only recently developed-can be used to increase the accuracy and reliability of engineering design and management given the interacting forces of nature. With an interdisciplinary approach, it is possible to conceptualize and model the fractured rock environment with acceptable levels of uncertainty and reliability, and to design systems that maximize remediation and long-term performance. Better scientific understanding could inform regulations, policies, and implementation guidelines related to infrastructure development and operations. The recommendations for research and applications to enhance practice of this book make it a valuable resource for students and practitioners in this field.
Author : Neven Kresic
Publisher : CRC Press
ISBN 13 : 9780849333484
Total Pages : 836 pages
Book Rating : 4.3/5 (334 download)
Download or read book Hydrogeology and Groundwater Modeling, Second Edition written by Neven Kresic and published by CRC Press. This book was released on 2006-10-26 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coupling the basics of hygrogeology with analytical and numerical modeling methods, Hydrogeology and Groundwater Modeling, Second Edition provides detailed coverage of both theory and practice. Written by a leading hydrogeologist who has consulted for industry and environmental agencies and taught at major universities around the world, this unique book fills a gap in the groundwater hydrogeology literature. With more than 40 real-world examples, the book is a source for clear, easy-to-understand, and step-by-step quantitative groundwater evaluation and contaminant fate and transport analysis, from basic laboratory determination to complex analytical calculations and computer modeling. It provides more than 400 drawings, graphs, and photographs, and a variety of useful tables of all key groundwater parameters, as well as lucid, straightforward answers to common hydrogeological problems. Reflecting nearly ten years of new scholarship since the publication of the bestselling first edition, this second edition is wider in focus with added and updated examples, figures, and problems, yet still provides information in the author's trademark, user-friendly style. No other book offers such carefully selected examples and clear, elegantly explained solutions. The inclusion of step-by-step solutions to real problems builds a knowledge base for understanding and solving groundwater issues.
Author : F. L. Paillet
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.3/5 (121 download)
Download or read book Geophysical Well-log Analysis of Fractured Crystalline Rocks at East Bull Lake, Ontario, Canada written by F. L. Paillet and published by . This book was released on 1986 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert W. Zimmerman
Publisher : John Wiley & Sons
ISBN 13 : 1119248027
Total Pages : 293 pages
Book Rating : 4.1/5 (192 download)
Download or read book Fluid Flow in Fractured Rocks written by Robert W. Zimmerman and published by John Wiley & Sons. This book was released on 2023-12-19 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: FLUID FLOW IN FRACTURED ROCKS "The definitive treatise on the subject for many years to come" (Prof. Ruben Juanes, MIT) Authoritative textbook that provides a comprehensive and up-to-date introduction to fluid flow in fractured rocks Fluid Flow in Fractured Rocks provides an authoritative introduction to the topic of fluid flow through single rock fractures and fractured rock masses. This book is intended for readers with interests in hydrogeology, hydrology, water resources, structural geology, reservoir engineering, underground waste disposal, or other fields that involve the flow of fluids through fractured rock masses. Classical and established models and data are presented and carefully explained, and recent computational methodologies and results are also covered. Each chapter includes numerous graphs, schematic diagrams and field photographs, an extensive reference list, and a set of problems, thus providing a comprehensive learning experience that is both mathematically rigorous and accessible. Written by two internationally recognized leaders in the field, Fluid Flow in Fractured Rocks includes information on: Nucleation and growth of fractures in rock, with a multiscale characterization of their geometric traits Effect of normal and shear stresses on the transmissivity of a rock fracture and mathematics of fluid flow through a single rock fracture Solute transport in rocks, with quantitative descriptions of advection, molecular diffusion, and dispersion Fluid Flow in Fractured Rocks is an essential resource for researchers and postgraduate students who are interested in the field of fluid flow through fractured rocks. The text is also highly suitable for professionals working in civil, environmental, and petroleum engineering.
Author :
Publisher :
ISBN 13 :
Total Pages : 706 pages
Book Rating : 4.:/5 (319 download)
Download or read book Water-resources Investigations Report written by and published by . This book was released on 2001 with total page 706 pages. Available in PDF, EPUB and Kindle. Book excerpt:
