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Experimental Investigation Of Hydraulic Fracturing Fluid On Shale And Soil
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Book Synopsis Experimental Investigation of Hydraulic Fracturing Fluid on Shale and Soil by : Zhenning Yang
Download or read book Experimental Investigation of Hydraulic Fracturing Fluid on Shale and Soil written by Zhenning Yang and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Mitigation and prevention of shale-formation damage caused by hydraulic-fracturing fluid/rock interactions play an important role in well-production stability and subsequent refracturing design. This study presents three experimental investigations on the interaction of water/shale, fluid/clay, and fluid/shale. A series of experiments were designed to investigate fluid/shale interactions: hydrophilic to hydrophobic alteration through chemical-vapor deposition, nanoindentation testing on shale sample, geotechnical laboratory experiments on contaminated clay, X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), and scanning electron microscope (SEM) on shale sample. A clay-matrix-based data-screening criterion is proposed for nanoindentation. The continuous-stiffness-measurment (CSM) method is proved to have better definition and characterization of softening of shale based on the proposed criterion. This study furthered the numerical model of clay deformation by Hattab and Chang (2015) by considering different pore fluid concentration. The fracturing fluid contaminated clay produced changes of geotechnical properties. Based on the proposed criterion and designed experiments, fracturing fluid contaminated shale was observed to gain 4 to 6% of NaCl. However, all other minerals contents are found to decrease after the shale powder-fluid interaction. A characteristic depth was proposed to consider reduction of hardness and mineral content at the same time. Moreover, an empirical equation was proposed to describe fracture toughness of shale by using a selection of indentation depth, its corresponding hardness and Young's modulus.
Book Synopsis Experimental Investigation of Shale Gas Production Impairment Due to Fracturing Fluid Migration During Shut-in Time by : Qiyan Yan
Download or read book Experimental Investigation of Shale Gas Production Impairment Due to Fracturing Fluid Migration During Shut-in Time written by Qiyan Yan and published by . This book was released on 2013 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Experimental Investigation on the Hydraulic Fracturing of Compacted Clays by : Jihad Najib Bu-Ghanim
Download or read book An Experimental Investigation on the Hydraulic Fracturing of Compacted Clays written by Jihad Najib Bu-Ghanim and published by . This book was released on 1987 with total page 1120 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydraulic fracturing has been realized to cause excessive leakage in earth dams which could eventually lead to catastrophic failure .Hydraulic fracturing seems to occur when the effective stresses become tensile and equal to the tensile strength of the soil . An experimental investigation on the hydraulic fracturing of a silty clay is conducted. The silty clay is characterized in terms of its strength parameters using traditional triaxial testing and a newly developed split tension test whereby the strength under a combination of tensile and compressive stresses could be determined. Perme-ability of the silty clay is also determined by means of a constant head permeability test. Hydraulic fracturing behavior is investigated for different states of stress and compaction variables. The hydraulic fracturing test is conducted on cylindrical specimens compacted with cylindrical hole of small diameter along their axes. A perforated brass tube is introduced in the central cavity and water is introduced at a given rate of flow . Hydraulic fracturing occurs when the water pressure in the hole drops for a given rate of flow. Results of hydraulic fracturing tests indicate that the water pressure required to induce hydraulic fracturing is significantly influenced by the state of applied stresses on the specimen, the compaction variables and the rate of water flow. The dimensions of the cracks induced by hydraulic fracturing initiate along a vertical plane at the boundary of the tube could propagate vertically, and horizontally along interface between compaction layers. Empirical correlations are established between applied stresses and hydraulic fracturing pressure .Experimental results are also compared with analytical predictions using the Mohr-Coulomb failure criterion, Haimson's model, and a model based on Massarsch plastic cavity expansion theory . Results of these comparisons show that none of these models could predict the hydraulic fracturing behavior for all test variables used. However, each model seems to fit a certain set of data depending on applied stresses and compaction variables . The Moher-Coulomb model seems to apply for specimens compacted wet of optimum using modified and standard AASHTO energy whereas Haimson model applies mostly for specimens compacted dry and at optimum moisture contents. Massarsch, on the other hand, does not seem to fit experimental results obtained.
Book Synopsis Hydraulic Fracturing of Soils by : Roy E. Leach
Download or read book Hydraulic Fracturing of Soils written by Roy E. Leach and published by . This book was released on 1977 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geomechanics and Hydraulic Fracturing for Shale Reservoirs by : Yu Wang
Download or read book Geomechanics and Hydraulic Fracturing for Shale Reservoirs written by Yu Wang and published by Scientific Research Publishing, Inc. USA. This book was released on 2020-07-01 with total page 383 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is intended as a reference book for advanced graduate students and research engineers in shale gas development or rock mechanical engineering. Globally, there is widespread interest in exploiting shale gas resources to meet rising energy demands, maintain energy security and stability in supply and reduce dependence on higher carbon sources of energy, namely coal and oil. However, extracting shale gas is a resource intensive process and is dependent on the geological and geomechanical characteristics of the source rocks, making the development of certain formations uneconomic using current technologies. Therefore, evaluation of the physical and mechanical properties of shale, together with technological advancements, is critical in verifying the economic viability of such formation. Accurate geomechanical information about the rock and its variation through the shale is important since stresses along the wellbore can control fracture initiation and frac development. In addition, hydraulic fracturing has been widely employed to enhance the production of oil and gas from underground reservoirs. Hydraulic fracturing is a complex operation in which the fluid is pumped at a high pressure into a selected section of the wellbore. The interaction between the hydraulic fractures and natural fractures is the key to fracturing effectiveness prediction and high gas development. The development and growth of a hydraulic fracture through the natural fracture systems of shale is probably more complex than can be described here, but may be somewhat predictable if the fracture system and the development of stresses can be explained. As a result, comprehensive shale geomechanical experiments, physical modeling experiment and numerical investigations should be conducted to reveal the fracturing mechanical behaviors of shale.
Book Synopsis An Experimental Investigation of the Critical Flowback Velocity in Hydraulic-fracturing Shale Gas Wells by :
Download or read book An Experimental Investigation of the Critical Flowback Velocity in Hydraulic-fracturing Shale Gas Wells written by and published by . This book was released on 2014 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Investigation of Shale-drilling Fluid Interaction and Its Implications on Drilling Efficiency by : Nabe Konate
Download or read book Experimental Investigation of Shale-drilling Fluid Interaction and Its Implications on Drilling Efficiency written by Nabe Konate and published by . This book was released on 2020 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Investigation of Geomechanical Aspects of Hydraulic Fracturing Unconventional Formations by : Emad Abbad Alabbad
Download or read book Experimental Investigation of Geomechanical Aspects of Hydraulic Fracturing Unconventional Formations written by Emad Abbad Alabbad and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding the mechanisms that govern hydraulic fracturing applications in unconventional formations, such as gas-bearing shales, is of increasing interest to the petroleum upstream industry. Among such mechanisms, the geomechanical interactions between hydraulic fractures and pre-existing fractures on one hand, and simultaneous multiple hydraulic fractures on the other hand are seen of high importance. Although the petroleum engineering and related literature contains a number of studies that discusses such topics of hydraulic fracture interactions, there still remain some aspects that require answers, validations, or further supporting data. Particularly, experimental evidence is fairly scarce and keenly needed to solidify the understanding of such complex applications. In this work, the investigation methodology uses a series of hydraulic fracturing laboratory tests performed on synthetic rocks made of gypsum-based cements such as hydrostone and plaster in various experimental set ups. Those laboratory tests aim to closely investigate hydraulic fracture intersection with pre-existing fractures by assessing some factors that govern its outcomes. Specifically, the roles of the pre-existing fracture cementation, aperture, and relative height on the intersection mode are examined. The results show dominant effect of the cement-fill type relative to the host-rock matrix in determining whether hydraulic fracture crossing the pre-existing interface may occur. Similarly, hydraulic fracture height relative to the height of the pre-existing fracture may dictate the intersection results. However, the intersection mode seems to be insensitive of the pre-existing fracture aperture. Moreover, simultaneous multi-fracture propagation is examined and found to be impacted by the interference of the stresses induced from each fracturing source on neighboring fracturing sources. Such stress interference increases as the number of the propagating hydraulic fractures increase. While hydraulic fractures initiating from fracturing sources located in the middle of the fracturing stage seem to have inhibited propagation, outer hydraulic fractures may continue propagating with outward curvatures. Overall, the experimental results and analyses offer more insights for understanding hydraulic fracture complexity in unconventional formations.
Book Synopsis Hydraulic Fracturing of Wyoming Green River Oil Shale by : H. E. Thomas
Download or read book Hydraulic Fracturing of Wyoming Green River Oil Shale written by H. E. Thomas and published by . This book was released on 1972 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mechanics of Hydraulic Fracturing by : Xin-rong Zhang
Download or read book Mechanics of Hydraulic Fracturing written by Xin-rong Zhang and published by John Wiley & Sons. This book was released on 2023-01-05 with total page 291 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanics of Hydraulic Fracturing Comprehensive single-volume reference work providing an overview of experimental results and predictive methods for hydraulic fracture growth in rocks Mechanics of Hydraulic Fracturing: Experiment, Model, and Monitoring provides a summary of the research in mechanics of hydraulic fractures during the past two decades, plus new research trends to look for in the future. The book covers the contributions from theory, modeling, and experimentation, including the application of models to reservoir stimulation, mining preconditioning, and the formation of geological structures. The four expert editors emphasize the variety of diverse methods and tools in hydraulic fracturing and help the reader understand hydraulic fracture mechanics in complex geological situations. To aid in reader comprehension, practical examples of new approaches and methods are presented throughout the book. Key topics covered in the book include: Prediction of fracture shapes, sizes, and distributions in sedimentary basins, plus their importance in petroleum industry Real-time monitoring methods, such as micro-seismicity and trace tracking How to uncover geometries of fractures like dikes and veins Fracture growth of individual foundations and its applications Researchers and professionals working in the field of fluid-driven fracture growth will find immense value in this comprehensive reference on hydraulic fracturing mechanics.
Author :United States. Congress. House. Committee on Science, Space, and Technology (2011) Publisher : ISBN 13 : Total Pages :160 pages Book Rating :4.:/5 (318 download)
Book Synopsis Review of Hydraulic Fracturing Technology and Practices by : United States. Congress. House. Committee on Science, Space, and Technology (2011)
Download or read book Review of Hydraulic Fracturing Technology and Practices written by United States. Congress. House. Committee on Science, Space, and Technology (2011) and published by . This book was released on 2011 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mechanics of Hydraulic Fracturing by : Ching H. Yew
Download or read book Mechanics of Hydraulic Fracturing written by Ching H. Yew and published by Gulf Professional Publishing. This book was released on 2014-09-25 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt: Revised to include current components considered for today’s unconventional and multi-fracture grids, Mechanics of Hydraulic Fracturing, Second Edition explains one of the most important features for fracture design — the ability to predict the geometry and characteristics of the hydraulically induced fracture. With two-thirds of the world’s oil and natural gas reserves committed to unconventional resources, hydraulic fracturing is the best proven well stimulation method to extract these resources from their more remote and complex reservoirs. However, few hydraulic fracture models can properly simulate more complex fractures. Engineers and well designers must understand the underlying mechanics of how fractures are modeled in order to correctly predict and forecast a more advanced fracture network. Updated to accommodate today’s fracturing jobs, Mechanics of Hydraulic Fracturing, Second Edition enables the engineer to: Understand complex fracture networks to maximize completion strategies Recognize and compute stress shadow, which can drastically affect fracture network patterns Optimize completions by properly modeling and more accurately predicting for today’s hydraulic fracturing completions Discusses the underlying mechanics of creating a fracture from the wellbore Enhanced to include newer modeling components such as stress shadow and interaction of hydraulic fracture with a natural fracture, which aids in more complex fracture networks Updated experimental studies that apply to today’s unconventional fracturing cases
Book Synopsis Fracture Mechanics of Rock by : Barry Kean Atkinson
Download or read book Fracture Mechanics of Rock written by Barry Kean Atkinson and published by Elsevier. This book was released on 2015-05-11 with total page 547 pages. Available in PDF, EPUB and Kindle. Book excerpt: The analysis of crack problems through fracture mechanics has been applied to the study of materials such as glass, metals and ceramics because relatively simple fracture criteria describe the failure of these materials. The increased attention paid to experimental rock fracture mechanics has led to major contributions to the solving of geophysical problems. The text presents a concise treatment of the physics and mathematics of a representative selection of problems from areas such as earthquake mechanics and prediction, hydraulic fracturing, hot dry rock geothermal energy, fault mechanics, and dynamic fragmentation.
Book Synopsis An Experimental Study of Hydraulic Fracturing by : Gary William Jaworski
Download or read book An Experimental Study of Hydraulic Fracturing written by Gary William Jaworski and published by . This book was released on 1979 with total page 740 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Investigation of Hydraulic Fracture Initiation & Propagation. Part III: Experimental Results and Analyses by : Aziz Khan
Download or read book Experimental Investigation of Hydraulic Fracture Initiation & Propagation. Part III: Experimental Results and Analyses written by Aziz Khan and published by . This book was released on 1994 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydraulic Fracturing and Rock Mechanics by : Yu Zhao
Download or read book Hydraulic Fracturing and Rock Mechanics written by Yu Zhao and published by Springer Nature. This book was released on 2023-06-21 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book is the first to consider the effect of non-uniform fluid pressure in hydraulic fractures. The book covers the key topics in the process of hydraulic fracture nucleation, growth, interaction and fracture network formation. Laboratory experiments and theoretical modeling are combined to elucidate the formation mechanism of complex fracture networks. This book is suitable for master’s/Ph.D. students, scientists and engineers majoring in rock mechanics and petroleum engineering who need to use a more reliable model to predict fracture behavior.
Book Synopsis An Experimental Investigation of Hydraulic Fracture Initiation and Propagation by : See Hong Ong
Download or read book An Experimental Investigation of Hydraulic Fracture Initiation and Propagation written by See Hong Ong and published by . This book was released on 1997 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt:
