Applications Of The Thermal Pulse Flowmeter In The Hydraulic Characterization Of Fractured Rocks
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Author | : AE. Hess |
Publisher | : |
Total Pages | : 14 |
Release | : 1990 |
Genre | : Boreholes |
ISBN | : |
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 | : |
Total Pages | : 52 |
Release | : 1994 |
Genre | : Geophysical well logging |
ISBN | : |
... 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 | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 568 |
Release | : 1996-08-27 |
Genre | : Science |
ISBN | : 0309176883 |
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.
Author | : F. L. Paillet |
Publisher | : |
Total Pages | : 62 |
Release | : 1994 |
Genre | : Geophysical well logging |
ISBN | : |
Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 568 |
Release | : 1996-08-27 |
Genre | : Science |
ISBN | : 0309049962 |
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.
Author | : |
Publisher | : |
Total Pages | : 124 |
Release | : 1961 |
Genre | : Materials |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 316 |
Release | : 1996 |
Genre | : Hydrology |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 332 |
Release | : 1991 |
Genre | : Hydrology |
ISBN | : |
Author | : Geological Survey (U.S.) |
Publisher | : |
Total Pages | : 746 |
Release | : 1991 |
Genre | : Geology |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 548 |
Release | : 1995 |
Genre | : Engineering geology |
ISBN | : |