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Hydraulic Fracture Modeling

Hydraulic Fracture Modeling Book
Author : Yu-Shu Wu
Publisher : Gulf Professional Publishing
Release : 2017-12-12
ISBN : 0128129999
Language : En, Es, Fr & De

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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

Hydraulic Fracture Modeling in Naturally Fractured Reservoirs

Hydraulic Fracture Modeling in Naturally Fractured Reservoirs Book
Author : Kaustubh Shrivastava
Publisher : Unknown
Release : 2019
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Hydraulic fracturing of horizontal wells is one of the key technological breakthroughs that has led to the shale revolution. Hydraulic fracturing models are used to engineer hydraulic fracture design and optimize production. Typically, hydraulic fracturing models treat hydraulic fractures as planar, bi-wing fractures. However, recent core-through investigations have suggested that during hydraulic fracturing in naturally fractured reservoirs, complex hydraulic fracture geometries can be created due to the interaction of the growing hydraulic fracture with natural fractures. This limits the application of planar fracture models for optimizing hydraulic fracturing design in naturally fractured reservoirs. In this research, we present a novel three-dimensional displacement discontinuity method based hydraulic fracturing simulator that allows us to model hydraulic fracture growth in the presence of natural fractures along with proppant transport in an efficient manner. The model developed in this dissertation is used to investigate the interaction of a hydraulic fracture with natural fractures and study the transport of proppant in the resulting complex fracture networks. This investigation gives us novel insight into the influence of fracture geometry and stress interference on the final distribution of proppant in fracture networks. Based on this investigation, suggestions are made to improve proppant transport in complex fracture networks. In order to correctly capture the effect of natural fractures on fracture growth, knowledge about the distribution of natural fractures in the reservoir is imperative. Typically, little is known about the in-situ natural fracture distribution, as direct observation of the reservoir is not possible. A novel technique of synthetic coring is developed to create a discrete fracture network (DFN) from core data, and it is used to create a DFN based on the Hydraulic Fracturing Test Site #1 data. Hydraulic fracture propagation is modeled in the created DFN, and the results are compared with field observations. As the reservoir may contain thousands of natural fractures, simulations in a realistic DFN can be computationally very expensive. In order to reduce the computational requirements of the simulator, we present a novel predictor step based on the local linearization method that provides a better initial guess for solving the fluid-solid interaction problem. This is shown to reduce computational time significantly. A novel technique, Extended Adaptive Integral Method, to speed up the simulator is developed. The method uses an effective medium to represent the interaction between displacement discontinuity elements and reduces the order of complexity of solving the geomechanical system of equations from O(N2) to O(NlogN). The novel formulation of this method is presented, and sensitivity studies are conducted to show the improvement in computational efficiency

Advances in Hydraulic Fracture Simulation Dynamic and Quasi static Analysis

Advances in Hydraulic Fracture Simulation   Dynamic and Quasi static Analysis Book
Author : Matin Parchei Esfahani
Publisher : Unknown
Release : 2019
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Hydraulic fracturing (HF) is an effective technique for permeability enhancement of conventional and unconventional reservoirs. HF is performed by injecting a fluid (usually water-based), sand, and chemicals into a formation under high pressure in order to induce damage and improve the interconnectivity of the fracture network through reopening of natural fractures and generation of new fractures. Hydraulic fracturing is a complex multi-physics process that involves the coupling of several physical phenomena, such as rock deformation, fluid flow, fracture propagation, etc. The simulation of HF is complex due to its coupled multi-physics nature. Despite recent advancements in HF simulations, relatively little attention has been given to improving the coupling algorithms used in these simulations. In many cases, sequential coupling algorithms are preferred over the monolithic approach due to the availability of independent solvers for each subproblem (e.g., independent deformable solid and fluid flow models), and the costliness of the monolithic approach. However, the available sequential algorithms widely used in the simulation of hydraulic fractures are known to lack robustness and encounter stability and/or convergence issues. The unavailability of efficient and effective sequential algorithms for the simulation of hydraulic fractures is currently one of the major gaps in the literature. The majority of hydraulic fracture models use quasi-static analysis, which neglects the inertial effects that are important when injection rates are very high or vary quickly in time, as during stimulation by pressure pulsing. The application of the dynamic models currently available in the literature is mainly limited to the dynamic simulations of acoustic wave emissions in porous media. Very few studies, until now, have considered dynamic simulation of fluid driven fractures. Hence, the unavailability of reliable dynamic hydraulic fracture models is another major gap in the hydraulic fracture literature. This thesis has three objectives. The first objective is to develop a stable sequential coupling algorithm for enforcing the hydro-mechanical coupling in the simulation of hydraulic fractures. The focus of the first objective is on the sequential algorithms that solve the mechanics subproblem first, in each iteration. This objective is realized in Chapter 2 of the thesis. The split is derived using the analogy of the undrained split in poromechanics; hence the new algorithm is named the \emph{undrained HF split}. The undrained HF split converges to the solution of the fully coupled (monolithic) approach. It's also shown to be stable and convergent in applications in which the conventional coupling strategies fail to converge due to oscillations. The convergence of the undrained HF split is generally slower than the fully coupled model. The second objective of the thesis is to develop a stable sequential coupling algorithm that solves the fluid flow subproblem first, in each iteration. This objective is addressed in Chapter 3 of the thesis. This algorithm is derived using the analogy of the fixed stress split in poromechanics and, therefore, named the \emph{fixed stress HF split}. The fixed stress HF split is stable and shown to converge to the solution of the fully coupled model. The algorithm is shown to successfully simulate nonplanar hydraulic fracture trajectories in flow rate controlled hydraulic fracture simulations. The third objective of the thesis is to develop a dynamic hydraulic fracture model for investigating the effect of rapidly changing loads, such as those caused by pressure pulses, on the dynamic propagation of hydraulic fractures. Chapter 4 of the thesis addresses this objective. A dynamic HF model with leak-off is developed in Chapter 4. The dynamic HF model is used to study wellbore stimulation by high rate and high amplitude pressure pulses and investigate the effect of formation porosity and permeability on the dynamic response of the system. It is observed that generally, formations with higher porosity and permeability generate shorter and wider hydraulic fractures. The dynamic response of hydraulic fractures is found to contain a phase lag with respect to the applied pressure pulse, which slightly increases with an increase in the porosity and permeability of the formation. Fracture closure mechanism is directly affected by the rate of fluid leak-off from hydraulic fractures, which also depends on the porosity and permeability of the formation. Unique acoustic wave emission patterns are observed from the response of hydraulic fracture and wellbore system to the pressure pulse at each stage of the stimulation.

Hydraulic Fracture Mechanics

Hydraulic Fracture Mechanics Book
Author : Peter Valkó,Michael J. Economides
Publisher : Wiley-Blackwell
Release : 1995
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

The book explores the theoretical background of one of the most widespread activities in hydrocarbon wells, that of hydraulic fracturing. A comprehensive treatment of the basic phenomena includes: linear elasticity, stresses, fracture geometry and rheology. The diverse concepts of mechanics are integrated into a coherent description of hydraulic fracture propagation. The chapters in the book are cross-referenced throughout and the connections between the various phenomena are emphasized. The book offers readers a unique approach to the subject with the use of many numerical examples.

Mechanics of Hydraulic Fracturing

Mechanics of Hydraulic Fracturing Book
Author : Ching H. Yew,Xiaowei Weng
Publisher : Gulf Professional Publishing
Release : 2014-09-25
ISBN : 0124200117
Language : En, Es, Fr & De

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Book Description :

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

A Pkn Hydraulic Fracture Model Study and Formation Permeability Determination

A Pkn Hydraulic Fracture Model Study and Formation Permeability Determination Book
Author : Jing Xiang
Publisher : Unknown
Release : 2012
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Hydraulic fracturing is an important method used to enhance the recovery of oil and gas from reservoirs, especially for low permeability formations. The distribution of pressure in fractures and fracture geometry are needed to design conventional and unconventional hydraulic fracturing operations, fracturing during water-flooding of petroleum reservoirs, shale gas, and injection/extraction operation in a geothermal reservoir. Designing a hydraulic fracturing job requires an understanding of fracture growth as a function of treatment parameters. There are various models used to approximately define the development of fracture geometry, which can be broadly classified into 2D and 3D categories. 2D models include, the Perkins-Kern-Nordgren (PKN) fracture model, and the Khristianovic-Geertsma-de. Klerk (KGD) fracture model, and the radial model. 3D models include fully 3D models and pseudo-three-dimensional (P-3D) models. The P-3D model is used in the oil industry due to its simplification of height growth at the wellbore and along the fracture length in multi-layered formations. In this research, the Perkins-Kern-Nordgren (PKN) fracture model is adopted to simulate hydraulic fracture propagation and recession, and the pressure changing history. Two different approaches to fluid leak-off are considered, which are the classical Carter's leak-off theory with a constant leak-off coefficient, and Pressure-dependent leak-off theory. Existence of poroelastic effect in the reservoir is also considered. By examining the impact of leak-off models and poroelastic effects on fracture geometry, the influence of fracturing fluid and rock properties, and the leak-off rate on the fracture geometry and fracturing pressure are described. A short and wide fracture will be created when we use the high viscosity fracturing fluid or the formation has low shear modulus. While, the fracture length, width, fracturing pressure, and the fracture closure time increase as the fluid leak-off coefficient is decreased. In addition, an algorithm is developed for the post-fracture pressure-transient analysis to calculate formation permeability. The impulse fracture pressure transient model is applied to calculate the formation permeability both for the radial flow and linear fracture flow assumption. Results show a good agreement between this study and published work.

Formation Evaluation and Numerical Modeling on Hydraulic Fracturing for an Emerging Marine Shale Gas Reservoir

Formation Evaluation and Numerical Modeling on Hydraulic Fracturing for an Emerging Marine Shale Gas Reservoir Book
Author : Chenji Wei,University of Wyoming. Department of Chemical & Petroleum Engineering
Publisher : Unknown
Release : 2013
ISBN : 9781303094804
Language : En, Es, Fr & De

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Book Description :

Shale gas development has more than 3 decades of history and remains one of the hottest topics in the petroleum industry. Shale gas development in China is underway. Our study focuses on an emerging marine shale gas reservoir in southern China, with its huge reserves that have attracted strong attention. The first part of this dissertation is the petrophysical characterization, which is an important step for a new shale gas play to better understand the geology of the formation, and it provides vital data to optimize a production plan and stimulation design. A systematic petrophysical study was conducted for the marine shale gas reservoir by conducting a series of 6 parallel experiments for 12 groups of samples to measure the total organic content (TOC), vitrinite reflectance (Ro), porosity, permeability, mineralogy, and gas content. Second, the extra-low porosity and permeability of shale formations complicate the mechanisms of shale gas storage and flow. Understanding the microstructure is significant for evaluating a new shale gas play toward accurate reserve estimation and recovery prediction. Both physical measurement (nitrogen adsorption experiment) and visualization technology (Scanning Electron Microscope) were used to characterize the nanopore structure of the Longmaxi Shale. Isotherms were obtained from adsorption experiments, and specific surface area and pore size distribution were calculated from the experimental results. Combining with the TOC, gas content, and mineralogy of the Longmaxi Shale, the significance and the controlling factors of the specific surface area and the nanopore volume were discussed. In addition, various types of porosity and several microfractures were observed from SEM images. Third, preliminary interpretation of the imaging logs revealed natural fractures in the formation that can significantly affect the production performance of shale gas wells since preexisting natural fractures will influence hydraulic fracture propagation. Thus, numerical simulation was conducted focusing on the interaction between hydraulically induced fractures and preexisting natural fractures. A hydraulic fracturing model considering the in-situ stress response to turbulent flow process was developed and validated with regression tests of a bi-wing hydraulic fracture model. Field-scale simulation results indicate that our model is capable of capturing the interactions between hydraulic fractures and the preexisting natural fractures defined by the initial fracture maps. Finally, a new model was built to model the actual network of hydraulic and preexisting fractures from geological interpretations and microseismic mapping results. The discrete fracture modeling (DFM) approach was applied to represent each fracture individually and explicitly. The near-well effects were modeled in detail by refining the unstructured 3D grid to the point where we fully resolve stimulated fractures. Simulations of the detailed model of an actual shale gas reservoir considered various mechanisms including adsorption/desorption, matrix/fracture transfer, and non-Darcy effects. Furthermore, the dissertation illustrates upscaling from the discrete fracture model to a coarse continuum model using multiple subregion (MSR), and the high degree of accuracy provided by this technique is demonstrated by comparing the solution of the upscaled model with the corresponding fine-grid solution for a synthetic case.

Fossil Energy Update

Fossil Energy Update Book
Author : Anonim
Publisher : Unknown
Release : 1986
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Fossil Energy Update book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Simulation and Visualization of Hydraulic Fracture Propagation in Poroelastic Rock

Simulation and Visualization of Hydraulic Fracture Propagation in Poroelastic Rock Book
Author : Thomas James Boone
Publisher : Ann Arbor, Mich. : University Microfilms International
Release : 1989
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Simulation and Visualization of Hydraulic Fracture Propagation in Poroelastic Rock book written by Thomas James Boone, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Exploitation of Unconventional Oil and Gas Resources

Exploitation of Unconventional Oil and Gas Resources Book
Author : Kenneth Imo-Imo Israel Eshiet
Publisher : Unknown
Release : 2019-07-10
ISBN : 1838811079
Language : En, Es, Fr & De

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Book Description :

Download Exploitation of Unconventional Oil and Gas Resources book written by Kenneth Imo-Imo Israel Eshiet, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Energy Research Abstracts

Energy Research Abstracts Book
Author : Anonim
Publisher : Unknown
Release : 1993
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Energy Research Abstracts book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Modeling and Detection of Magnetized Proppant in a Hydraulic Fracture

Modeling and Detection of Magnetized Proppant in a Hydraulic Fracture Book
Author : Clifford J. Schenkel
Publisher : Unknown
Release : 1986
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Modeling and Detection of Magnetized Proppant in a Hydraulic Fracture book written by Clifford J. Schenkel, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Numerical Simulation in Hydraulic Fracturing Multiphysics Theory and Applications

Numerical Simulation in Hydraulic Fracturing  Multiphysics Theory and Applications Book
Author : Xinpu Shen,William Standifird
Publisher : CRC Press
Release : 2017-03-27
ISBN : 1351796291
Language : En, Es, Fr & De

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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.

Hydraulic Fracture Optimization with a Pseudo 3D Model in Multi layered Lithology

Hydraulic Fracture Optimization with a Pseudo 3D Model in Multi layered Lithology Book
Author : Mei Yang
Publisher : Unknown
Release : 2011
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Hydraulic Fracturing is a technique to accelerate production and enhance ultimate recovery of oil and gas while fracture geometry is an important aspect in hydraulic fracturing design and optimization. Systematic design procedures are available based on the so-called two-dimensional models (2D) focus on the optimization of fracture length and width, assuming one can estimate a value for fracture height, while so-called pseudo three dimensional (p-3D) models suitable for multi-layered reservoirs aim to maximize well production by optimizing fracture geometry, including fracture height, half-length and width at the end of the stimulation treatment. The proposed p-3D approach to design integrates four parts: 1) containment layers discretization to allow for a range of plausible fracture heights, 2) the Unified Fracture Design (UFD) model to calculate the fracture half-length and width, 3) the PKN or KGD models to predict hydraulic fracture geometry and the associated net pressure and other treatment parameters, and, finally, 4) Linear Elastic Fracture Mechanics (LEFM) to calculate fracture height. The aim is to find convergence of fracture height and net pressure. Net pressure distribution plays an important role when the fracture is propagating in the reservoir. In multi-layered reservoirs, the net pressure of each layer varies as a result of different rock properties. This study considers the contributions of all layers to the stress intensity factor at the fracture tips to find the final equilibrium height defined by the condition where the fracture toughness equals the calculated stress intensity factor based on LEFM. Other than maximizing production, another obvious application of this research is to prevent the fracture from propagating into unintended layers (i.e. gas cap and/or aquifer). Therefore, this study can aid fracture design by pointing out: (1) Treating pressure needed to optimize fracture geometry, (2) The containment top and bottom layers of a multi-layered reservoir, (3) The upwards and downwards growth of the fracture tip from the crack center.

Machine Learning Guide for Oil and Gas Using Python

Machine Learning Guide for Oil and Gas Using Python Book
Author : Hoss Belyadi,Alireza Haghighat
Publisher : Gulf Professional Publishing
Release : 2021-04-27
ISBN : 0128219300
Language : En, Es, Fr & De

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Book Description :

Machine Learning Guide for Oil and Gas Using Python: A Step-by-Step Breakdown with Data, Algorithms, Codes, and Applications delivers a critical training and resource tool to help engineers understand machine learning theory and practice, specifically referencing use cases in oil and gas. The reference moves from explaining how Python works to step-by-step examples of utilization in various oil and gas scenarios, such as well testing, shale reservoirs and production optimization. Petroleum engineers are quickly applying machine learning techniques to their data challenges, but there is a lack of references beyond the math or heavy theory of machine learning. Machine Learning Guide for Oil and Gas Using Python details the open-source tool Python by explaining how it works at an introductory level then bridging into how to apply the algorithms into different oil and gas scenarios. While similar resources are often too mathematical, this book balances theory with applications, including use cases that help solve different oil and gas data challenges. Helps readers understand how open-source Python can be utilized in practical oil and gas challenges Covers the most commonly used algorithms for both supervised and unsupervised learning Presents a balanced approach of both theory and practicality while progressing from introductory to advanced analytical techniques

Numerical Modeling of Fluid driven Hydraulic Fracturing and J integral Analysis

Numerical Modeling of Fluid driven Hydraulic Fracturing and J integral Analysis Book
Author : Shijun Wei
Publisher : Unknown
Release : 2020
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

This paper numerically investigates inelastic behavior of sandstone for better understanding of hydraulic fracture propagation in georeservoirs. Although many numerical, theoretical, and experimental studies investigated hydraulic fracturing, not enough emphasis has been given to the inelastic behavior of rock prior and during the hydraulic fracture propagation. Current practice widely uses linear elastic fracture mechanics (LEFM) principles for prediction of hydraulic fracturing in weak sandstone. However, discrepancies between LEFM models and filed or laboratory results indicate presence of plastic deformation, such as are for example micro-cracks or acoustic emission cloud data. Therefore, this study uses J-integral for obtaining hydraulic fracture propagation criteria under the elastic-plastic stress-strain state. J-integral is calculated on the path around a DEM model in two-dimensions. A synthetic rock mass modeled in DEM has an advantage of time-stepping and stress-strain redistribution which leads to micro-cracks represented by broken bonds between DEM particles, and therefore models well elastoplastic behavior. The relationship between far-field stress magnitudes and breakdown pressures, process zone length and calculated J-integral values are presented. The relationship between crack driving forces and applied stresses is investigated to better understand the plasticity effects. The influence of stiffness of sandstone on breakdown pressures and J-integral values are also studied. Overall, results show that LEFM is not applicable for describing fracture propagation at higher confinement stresses. Inelastic J-integral increases dramatically with rock confinement, especially its plastic portion.

Porous Rock Fracture Mechanics

Porous Rock Fracture Mechanics Book
Author : Amir Shojaei,Jianfu Shao
Publisher : Woodhead Publishing
Release : 2017-05-05
ISBN : 0081007825
Language : En, Es, Fr & De

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Book Description :

Porous Rock Failure Mechanics: Hydraulic Fracturing, Drilling and Structural Engineering focuses on the fracture mechanics of porous rocks and modern simulation techniques for progressive quasi-static and dynamic fractures. The topics covered in this volume include a wide range of academic and industrial applications, including petroleum, mining, and civil engineering. Chapters focus on advanced topics in the field of rock’s fracture mechanics and address theoretical concepts, experimental characterization, numerical simulation techniques, and their applications as appropriate. Each chapter reflects the current state-of-the-art in terms of the modern use of fracture simulation in industrial and academic sectors. Some of the major contributions in this volume include, but are not limited to: anisotropic elasto-plastic deformation mechanisms in fluid saturated porous rocks, dynamics of fluids transport in fractured rocks and simulation techniques, fracture mechanics and simulation techniques in porous rocks, fluid-structure interaction in hydraulic driven fractures, advanced numerical techniques for simulation of progressive fracture, including multiscale modeling, and micromechanical approaches for porous rocks, and quasi-static versus dynamic fractures in porous rocks. This book will serve as an important resource for petroleum, geomechanics, drilling and structural engineers, R&D managers in industry and academia. Includes a strong editorial team and quality experts as chapter authors Presents topics identified for individual chapters are current, relevant, and interesting Focuses on advanced topics, such as fluid coupled fractures, rock’s continuum damage mechanics, and multiscale modeling Provides a ‘one-stop’ advanced-level reference for a graduate course focusing on rock’s mechanics

Geomechanics and Hydraulic Fracturing for Shale Reservoirs

Geomechanics and Hydraulic Fracturing for Shale Reservoirs Book
Author : Yu Wang
Publisher : Scientific Research Publishing, Inc. USA
Release : 2020-07-01
ISBN : 1618968963
Language : En, Es, Fr & De

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Book Description :

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.

Optimization of Hydraulic Fracture Stages and Sequencing in Unconventional Formations

Optimization of Hydraulic Fracture Stages and Sequencing in Unconventional Formations Book
Author : Ahmed Alzahabi,Mohamed Y. Soliman
Publisher : CRC Press
Release : 2018-07-03
ISBN : 1351618229
Language : En, Es, Fr & De

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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.

Demonstration of Hydraulic Fracturing to Facilitate Remediation

Demonstration of Hydraulic Fracturing to Facilitate Remediation Book
Author : Anonim
Publisher : Unknown
Release : 1994
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Demonstration of Hydraulic Fracturing to Facilitate Remediation book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.