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Surface Deformation From A Pressurized Subsurface Fracture
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Book Synopsis Surface Deformation from a Pressurized Subsurface Fracture by :
Download or read book Surface Deformation from a Pressurized Subsurface Fracture written by and published by . This book was released on 2014 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document speci es a set of problems that entail the calculation of ground surface deformation caused by a pressurized subsurface fracture. The solid medium is assumed to be isotropic-homogeneous where linear elasticity applies. The e ects of the uid in the fracture is represented by a uniform pressure applied onto the two fracture walls. The fracture is assumed to be rectangular in shape and various dipping angles are considered. In addition to the full 3D solution, we reduce the 3D problem to a plane-strain geometry, so that 2D codes can participate in the comparison and results can be compared with those available in the literature.
Book Synopsis Experiments on Surface Deformation Arising from a Subsurface Fracture by :
Download or read book Experiments on Surface Deformation Arising from a Subsurface Fracture written by and published by . This book was released on 1995 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laboratory model simulation of large-scale earth processes is rarely undertaken because of scale effects, nonlinearity, and questions of representativeness with respect to the real case. Hydraulic fractures generate distortion fields that can be measured with high precision both in the laboratory and in the field. A combination of field and laboratory data allows us to test our ability to measure displacements, make forward predictions, and invert real measurements; thus it is important to have some means of simulation, other than purely numerical simulation. This paper contains the results of a set of experiments on the surface deformation arising from a pressurized fracture, using laser holography and Fizeau interferometry of noncontacting techniques to precisely sample the displacement field above a scale model. The results are remarkably accurate and consistent, and compare reasonably well with analytical and numerical model predictions. The techniques have potential applications in geomechanics and geotechnical engineering for laboratory study of various linear and nonlinear problems.
Book Synopsis Effects of Subsurface Fracture Interactions on Surface Deformation by : Ruel Valentine Jerry
Download or read book Effects of Subsurface Fracture Interactions on Surface Deformation written by Ruel Valentine Jerry and published by . This book was released on 2013 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although the surface deformation resulting from the opening of a single fracture in a layered elastic half-space resembles the observed deformation at the InSalah site, it seems unlikely that only a single fracture is involved. This raises the question of how interaction among multiple fractures affects surface deformation. Finite element modeling is used to build a 3D model of a reservoir with multiple fractures. The interacting cracks and fractures give this model a more complicated stress state, and so any surface deformation would be different from that of a model with a single fracture. Geodetic monitoring of large-scale CO 2 sequestration provides a potentially powerful and cost-effective tool for interrogating reservoir structure and processes. For example, InSAR observations at the InSalah, Algeria sequestration site have mapped the surface deformation above an active reservoir, and helped delineate the effects of CO2 storage. The impact of interactions on individual fractures and the qualitative changes in the surface displacement and stress fields are considered and the importance of orientation, position and fracture area is investigated. It was found that when the crack locations are biased towards stacked parallel arrangements, then the shielding effect of interactions dominates, meaning that the overall stiffness of a representative volume increases. When collinear interactions dominate then the overall stiffness is reduced. These effects are then used to find a volume average and a continuum description of a solid with effective elastic properties. In this way a volume of fractured rock can be replaced with a representative volume with elastic properties that approximate the interaction effects.
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.
Book Synopsis Integrated Use of Surface-geophysical Methods to Indicate Subsurface Fractures at Tibbetts Road, Barrington, New Hampshire by : D. A. Lieblich
Download or read book Integrated Use of Surface-geophysical Methods to Indicate Subsurface Fractures at Tibbetts Road, Barrington, New Hampshire written by D. A. Lieblich and published by . This book was released on 1992 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Understanding How Components Fail, 3rd Edition by : Donald J. Wulpi
Download or read book Understanding How Components Fail, 3rd Edition written by Donald J. Wulpi and published by ASM International. This book was released on 2013-10-01 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the first books new engineers and technicians should read. This new edition of the perennial best seller preserves the core of the previous editions, focusing on the metallurgical and materials evaluation for failure mode identification. Comprehensive information covering the basic principles and practices are clearly explained.
Book Synopsis Pressure Transient Analysis by : Djebbar Tiab
Download or read book Pressure Transient Analysis written by Djebbar Tiab and published by Elsevier. This book was released on 2024-09-04 with total page 1074 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pressure Transient Analysis: Pressure Derivative provides focuses on applications of pressure and derivative data for interpretation of pressure transient tests, offering alternatives to costly commercial software. Building from basics, this practical text spans: wells near single and multi-boundary systems, hydraulically fractured wells, naturally fractured reservoirs, interpretation of interference and pulse tests, gas well test analysis (including sources of emissions and decarbonizing strategies, geological sequestration, CCS risks and stress on CCS), multiphase flow, injectivity and falloff tests, rate transient and multi-rate tests, partially penetrated / perforated vertical and slanted wells, and horizontal wells in conventional and unconventional reservoirs. Many techniques and equations presented in this book can be found in the black box of commercial well-test analysis software packages – this practical text unlocks, unpacks, and makes critical, analytical tools accessible to core users. Delivers an alternative technique to type-curve matching using the loglog analysis Introduces simple analytical equations used in the step-by-step procedure for analyzing pressure transient tests Presents common cases encountered by practicing engineers inspired by a robust literature review, boasting over 500 diverse, global sources Includes (75) solved simulated exercises and field cases, along with (81) unsolved problems (simulated and field cases) to reinforce learning Supports sustainability and the reduction of carbon emissions by addressing carbon footprints, emissions sources and decarbonizing strategies, carbon capture, storage, and CO2 storage
Book Synopsis Evaluation of Subsurface Fracture Geometry Using Fluid Pressure Response to Solid Earth Tidal Strain by : Jonathan M. Hanson
Download or read book Evaluation of Subsurface Fracture Geometry Using Fluid Pressure Response to Solid Earth Tidal Strain written by Jonathan M. Hanson and published by . This book was released on 1983 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High-Pressure Shock Compression of Solids II by : Lee Davison
Download or read book High-Pressure Shock Compression of Solids II written by Lee Davison and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume concerns the fracture and fragmentation of solid materials that occurs when they are subjected to extremes of stress applied at the highest possible rates. The plan for the volume is to address experimental, theoretical, and com putational aspects of high-rate dynamic fracture and fragmentation, with emphasis on recent work. We begin with several chapters in which the emphasis falls on experimental methods and observations. These chapters address both macroscopic responses and the microscopic cause of these re sponses. This is followed by several chapters emphasizing modeling-the physical explanation and mathematical representation of the observations. Some of the models are deterministic, while others focus on the stochastic aspects of the observations. Often, the ov\!rall objective of investigation of dynamic fracture and fragmentation phenomena is provision of a means for predicting the entire course of an event that begins with a stimulus such as an impact and proceeds through a complicated deformation and fracture pro cess that results in disintegration of the body and formation of a rapidly expanding cloud of debris fragments. Analysis of this event usually involves development of a continuum theory and computer code that captures the experimental observations by incorporating models of the important pheno mena into a comprehensive description of the deformation and fracture pro cess. It is to this task that the work of the last few chapters is devoted.
Book Synopsis Integrated Use of Surface-geophysical Methods to Indicate Subsurface Fractures at Milford, New Hampshire by : D. A. Lieblich
Download or read book Integrated Use of Surface-geophysical Methods to Indicate Subsurface Fractures at Milford, New Hampshire written by D. A. Lieblich and published by . This book was released on 1992 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geotechnical Aspects of Underground Construction in Soft Ground by : Charles W.W. Ng
Download or read book Geotechnical Aspects of Underground Construction in Soft Ground written by Charles W.W. Ng and published by CRC Press. This book was released on 2008-12-03 with total page 886 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume comprises a collection of four special lectures, six general reports and 112 papers presented at the Sixth International Symposium of Geotechnical Aspects of Underground Construction in Soft Ground (IS-Shanghai) held between 10 and 12 April 2008 in Shanghai, China.The Symposium was organised by Tongji University and the following t
Book Synopsis Surface and Underground Project Case Histories by : E. Hoek
Download or read book Surface and Underground Project Case Histories written by E. Hoek and published by Elsevier. This book was released on 2016-09-08 with total page 1004 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surface and Underground Project Case Histories
Book Synopsis Prediction of Oil- and Gas-bearing Rock Fractures from Surface Structural Features by : William K. Overbey
Download or read book Prediction of Oil- and Gas-bearing Rock Fractures from Surface Structural Features written by William K. Overbey and published by . This book was released on 1971 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Canadian Geotechnical Journal written by and published by . This book was released on 2007 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Role of Faults and Fractures on Subsurface Fluid Flow in the Marcellus Shale of the Appalachian Plateau in Western New York by : Talor Berek Walsh
Download or read book The Role of Faults and Fractures on Subsurface Fluid Flow in the Marcellus Shale of the Appalachian Plateau in Western New York written by Talor Berek Walsh and published by . This book was released on 2015 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Tectonic deformation associated with orogenies produces geologic structures at a variety of scales. This geologic architecture contains deformation structures whose characteristics provide information on the conditions of the deformation that produced them. Additionally, the new geologic architecture resulting from deformation influences how fluids flow in the subsurface; the hydraulic properties of rock are the result of the combined effects of the primary hydraulic characteristics of the rock (i.e., primary porosity), and the hydraulic characteristics of any deformation features (i.e., secondary porosity). In the upper crust, specifically in the foreland of mountain belts, fracturing is an important deformation process. Fracture occurs even in weakly deformed rocks, and because of this, fractures are important strain indicators. Fractures are also important because they can be conduits for fluid flow, especially in low permeability formations, leading to anisotropic fluid flow conditions. Although flow through fractures is an important component of fluid flow, it is difficult to determine which fractures will conduct fluids in the subsurface as fractures may close at depth due to the effect of lithostatic pressure. This thesis focuses on three aspects of this problem by seeking to (1) understand the effect of thrust faults on the regional fracture network present in the Marcellus shale; (2) compare the fracture network at the surface and at depth and determine the effects of stratigraphy on fracturing; and (3) map the trace metal concentrations of fracture fill to determine how different fracture sets conduct fluids."--Pages v-vi.
Book Synopsis Geotechnical Aspects of Underground Construction in Soft Ground by : Klaas Jan Bakker
Download or read book Geotechnical Aspects of Underground Construction in Soft Ground written by Klaas Jan Bakker and published by CRC Press. This book was released on 2013-05-23 with total page 984 pages. Available in PDF, EPUB and Kindle. Book excerpt: A valuable source of reference on the current practices of analysis, design and construction of tunnels and underground structures in soft ground. This collection of reviewed papers covers a wide range of tunnelling practice, from deep excavations in Singapore to the construction of a new metro line in Barcelona. The international scope of the contributors makes this a truly comprehensive collection of work on the geotechnical aspects of soft ground excavation.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1985 with total page 1346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
