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Author: M. B. Smith Publisher: ISBN: Category : Hydraulic fracturing Languages : en Pages : 184
Book Description
The results from in situ stress tests, performed in the Frontier Sands and three adjacent shale intervals, were used to derive a calibrated stress profile from the LSDS log. Coupling these stresses with those from two other GRI Frontier co-op wells, a preliminary correlation was developed between measured stress and log derived stress to characterize hydraulic fracture propagation. Additionally, a correlation was investigated between measured stress and lithology using the gamma-ray log. The results of a CO2 minifrac are also discussed, determining foam leak-off properties and "history matching" treatment pressures to "calibrate" the fracture design/analysis model for evaluating the main fracture treatment. The results of this history match indicate excessive height growth, as does the modeling of the main treatment, with created height much greater than propped height due to a "pinch point" effect in a shale above the pay. This leads to a probable explanation for the early screen-out on the main treatment based on excessive leak-off through the pinch point and a method for consideration to control this problem on future treatments.
Author: M. B. Smith Publisher: ISBN: Category : Hydraulic fracturing Languages : en Pages : 184
Book Description
The results from in situ stress tests, performed in the Frontier Sands and three adjacent shale intervals, were used to derive a calibrated stress profile from the LSDS log. Coupling these stresses with those from two other GRI Frontier co-op wells, a preliminary correlation was developed between measured stress and log derived stress to characterize hydraulic fracture propagation. Additionally, a correlation was investigated between measured stress and lithology using the gamma-ray log. The results of a CO2 minifrac are also discussed, determining foam leak-off properties and "history matching" treatment pressures to "calibrate" the fracture design/analysis model for evaluating the main fracture treatment. The results of this history match indicate excessive height growth, as does the modeling of the main treatment, with created height much greater than propped height due to a "pinch point" effect in a shale above the pay. This leads to a probable explanation for the early screen-out on the main treatment based on excessive leak-off through the pinch point and a method for consideration to control this problem on future treatments.
Author: Yu Zhao Publisher: Springer Nature ISBN: 9819925401 Category : Science Languages : en Pages : 269
Book Description
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.
Author: Ahmed Alzahabi Publisher: CRC Press ISBN: 1351618229 Category : Technology & Engineering Languages : en Pages : 288
Book Description
Shale gas and/or oil play identification is subject to many screening processes for characteristics such as porosity, permeability, and brittleness. Evaluating shale gas and/or oil reservoirs and identifying potential sweet spots (portions of the reservoir rock that have high-quality kerogen content and brittle rock) requires taking into consideration multiple rock, reservoir, and geological parameters that govern production. The early determination of sweet spots for well site selection and fracturing in shale reservoirs is a challenge for many operators. With this limitation in mind, Optimization of Hydraulic Fracture Stages and Sequencing in Unconventional Formations develops an approach to improve the industry’s ability to evaluate shale gas and oil plays and is structured to lead the reader from general shale oil and gas characteristics to detailed sweet-spot classifications. The approach uses a new candidate selection and evaluation algorithm and screening criteria based on key geomechanical, petrophysical, and geochemical parameters and indices to obtain results consistent with existing shale plays and gain insights on the best development strategies going forward. The work introduces new criteria that accurately guide the development process in unconventional reservoirs in addition to reducing uncertainty and cost.
Author: Xinpu Shen Publisher: CRC Press ISBN: 1351796291 Category : Science Languages : en Pages : 192
Book Description
The expansion of unconventional petroleum resources in the recent decade and the rapid development of computational technology have provided the opportunity to develop and apply 3D numerical modeling technology to simulate the hydraulic fracturing of shale and tight sand formations. This book presents 3D numerical modeling technologies for hydraulic fracturing developed in recent years, and introduces solutions to various 3D geomechanical problems related to hydraulic fracturing. In the solution processes of the case studies included in the book, fully coupled multi-physics modeling has been adopted, along with innovative computational techniques, such as submodeling. In practice, hydraulic fracturing is an essential project component in shale gas/oil development and tight sand oil, and provides an essential measure in the process of drilling cuttings reinjection (CRI). It is also an essential measure for widened mud weight window (MWW) when drilling through naturally fractured formations; the process of hydraulic plugging is a typical application of hydraulic fracturing. 3D modeling and numerical analysis of hydraulic fracturing is essential for the successful development of tight oil/gas formations: it provides accurate solutions for optimized stage intervals in a multistage fracking job. It also provides optimized well-spacing for the design of zipper-frac wells. Numerical estimation of casing integrity under stimulation injection in the hydraulic fracturing process is one of major concerns in the successful development of unconventional resources. This topic is also investigated numerically in this book. Numerical solutions to several other typical geomechanics problems related to hydraulic fracturing, such as fluid migration caused by fault reactivation and seismic activities, are also presented. This book can be used as a reference textbook to petroleum, geotechnical and geothermal engineers, to senior undergraduate, graduate and postgraduate students, and to geologists, hydrogeologists, geophysicists and applied mathematicians working in this field. This book is also a synthetic compendium of both the fundamentals and some of the most advanced aspects of hydraulic fracturing technology.
Author: Xin-rong Zhang Publisher: John Wiley & Sons ISBN: 111974234X Category : Technology & Engineering Languages : en Pages : 291
Book Description
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: Yu-Shu Wu Publisher: Gulf Professional Publishing ISBN: 0128129999 Category : Technology & Engineering Languages : en Pages : 568
Book Description
Hydraulic Fracture Modeling delivers all the pertinent technology and solutions in one product to become the go-to source for petroleum and reservoir engineers. Providing tools and approaches, this multi-contributed reference presents current and upcoming developments for modeling rock fracturing including their limitations and problem-solving applications. Fractures are common in oil and gas reservoir formations, and with the ongoing increase in development of unconventional reservoirs, more petroleum engineers today need to know the latest technology surrounding hydraulic fracturing technology such as fracture rock modeling. There is tremendous research in the area but not all located in one place. Covering two types of modeling technologies, various effective fracturing approaches and model applications for fracturing, the book equips today’s petroleum engineer with an all-inclusive product to characterize and optimize today’s more complex reservoirs. Offers understanding of the details surrounding fracturing and fracture modeling technology, including theories and quantitative methods Provides academic and practical perspective from multiple contributors at the forefront of hydraulic fracturing and rock mechanics Provides today’s petroleum engineer with model validation tools backed by real-world case studies
Author: Committee on Fracture Characterization and Fluid Flow Publisher: National Academies Press ISBN: 0309563488 Category : Science Languages : en Pages : 568
Book Description
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: M. B. Smith
Author: M. B. Smith
Author: Yu Zhao
Author: 
Author: Ahmed Alzahabi
Author: Xinpu Shen
Author: Xin-rong Zhang
Author: 
Author: Yu-Shu Wu
Author: Committee on Fracture Characterization and Fluid Flow
Author: Society of Petroleum Engineers (U.S.). Technical Conference and Exhibition