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Seismic Fracture Characterization

Seismic Fracture Characterization
  • Author : Enru Liu
  • Publisher :Unknown
  • Release Date :2013-12-06
  • Total pages :229
  • ISBN : 9789073834507
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Summary : During the last three decades, seismic anisotropy has evolved from a purely academic research topic into applications in the mainstream of applied geophysics. Today, nobody doubts that the earth is anisotropic and most (if not all) hydrocarbon reservoirs are anisotropic. Since shale accounts for 70% of sedimentary basins and fractures exist in all reservoirs, seismic anisotropy may be even more extensive than we think. Taking anisotropy into account in seismic processing has improved the quality of seismic images, even though it makes seismic processing more challenging since additional parameters are needed. At the same time, fracture characterization using the concept of seismic anisotropy has added value in reservoir characterization, reservoir management, and has increased recovery and optimized well locations. This book and the associated course provide an introduction to the fundamental concepts of seismic fracture characterization by introducing seismic anisotropy, equivalent-medium representation theories of fractured rock and methodologies for extracting fracture parameters from seismic data. We focus on practical applications using extensive field data examples. Includes cast studies demonstrating the applicability, workflow and limitations of this technology Contains physical laboratory 3D experiments where fracture distributions are known, a Middle East fractured carbonate reservoir and a fractured tight gas reservoir. Builds discrete fracture network models incorporating all data. These models should not only be geologically consistent but also geophysically and geomechanically consistent, so that the models can be used to forecast the behaviour and performance of fractured reservoirs.

Seismology of Azimuthally Anisotropic Media and Seismic Fracture Characterization

Seismology of Azimuthally Anisotropic Media and Seismic Fracture Characterization
  • Author : I. D. T︠S︡vankin
  • Publisher :Unknown
  • Release Date :2011
  • Total pages :491
  • ISBN : 9781560802280
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Summary :

Fracture and In-situ Stress Characterization of Hydrocarbon Reservoirs

Fracture and In-situ Stress Characterization of Hydrocarbon Reservoirs
  • Author : Geological Society of London
  • Publisher :Unknown
  • Release Date :2003
  • Total pages :216
  • ISBN : 1862391300
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Summary :

Seismic Attributes for Prospect Identification and Reservoir Characterization

Seismic Attributes for Prospect Identification and Reservoir Characterization
  • Author : Satinder Chopra,K. J. Marfurt
  • Publisher :Unknown
  • Release Date :2007
  • Total pages :464
  • ISBN : 9781560801412
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Summary : Seismic attributes play a key role in exploration and exploitation of hydrocarbons. In Seismic Attributes for Prospect Identification and Reservoir Characterization (SEG Geophysical Developments No. 11), Satinder Chopra and Kurt J. Marfurt introduce the physical basis, mathematical implementation, and geologic expression of modern volumetric attributes including coherence, dip/azimuth, curvature, amplitude gradients, seismic textures, and spectral decomposition. The authors demonstrate the importance of effective color display and sensitivity to seismic acquisition and processing. Examples from different basins illustrate the attribute expression of tectonic deformation, clastic depositional systems, carbonate depositional systems and diagenesis, drilling hazards, and reservoir characterization. The book is illustrated generously with color figures throughout. "Seismic Attributes" will appeal to seismic interpreters who want to extract more information from data; seismic processors and imagers who want to learn how their efforts impact subtle stratigraphic and fracture plays; sedimentologists, stratigraphers, and structural geologists who use large 3D seismic volumes to interpret their plays within a regional, basinwide context; and reservoir engineers whose work is based on detailed 3D reservoir models. Copublished with EAGE.

Rock Fractures and Fluid Flow

Rock Fractures and Fluid Flow
  • Author : National Research Council,Division on Earth and Life Studies,Commission on Geosciences, Environment and Resources,Committee on Fracture Characterization and Fluid Flow
  • Publisher :Unknown
  • Release Date :1996-08-27
  • Total pages :568
  • ISBN : 9780309176880
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Summary : 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.

Seismic Signatures and Analysis of Reflection Data in Anisotropic Media

Seismic Signatures and Analysis of Reflection Data in Anisotropic Media
  • Author : Ilya Tsvankin
  • Publisher :Unknown
  • Release Date :2012
  • Total pages :438
  • ISBN : 9781560802990
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Summary :

Fracture Characterization and Fracture-permeability Estimates from Geophysical Logs in the Mirror Lake Watershed, New Hampshire

Fracture Characterization and Fracture-permeability Estimates from Geophysical Logs in the Mirror Lake Watershed, New Hampshire
  • Author : F. L. Paillet,Kemal Kapucu
  • Publisher :Unknown
  • Release Date :1989
  • Total pages :49
  • ISBN : UCR:31210025296144
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Summary :

Volcanic Gas Reservoir Characterization

Volcanic Gas Reservoir Characterization
  • Author : Qiquan Ran,Yongjun Wang,Yuanhui Sun,Lin Yan,Min Tong
  • Publisher :Unknown
  • Release Date :2014-03-27
  • Total pages :604
  • ISBN : 9780124171336
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Summary : Volcanic gas reservoirs are the new natural gas frontier. Once thought too complex, too harsh on the drilling bit, and too difficult to characterize, reservoir engineers and petroleum geologists alike now manage more advanced seismic and logging tools, making these "impossible" field developments possible. Bridging meaningful information about these complicated provinces and linking various unconventional methods and techniques, Volcanic Gas Reservoir Characterization: Describes a set of leading-edge integrated volcanic gas reservoir characterization techniques, helping to ensure the effective development of the field Reveals the grade and relationship of volcanic stratigraphic sequence Presents field identification and prediction methods, and interpretation technology of reservoir parameters, relating these to similar complex fields such as shale These innovative approaches and creative methods have been successfully applied to actual development of volcanic gas reservoirs. By sharing the methods and techniques used in this region with reservoir engineers and petroleum geologists all over the world, those with better understanding of these unconventional basins will begin to consider volcanic rock like any other reservoir. Summarizes the research and explains detailed case studies of volcanic gas reservoir developments, showing the latest achievements and lessons learned Supplies knowledge on volcanic gas reservoir basins to provide meaningful insight into similar complex reservoirs such as shale, coal bed methane, and heavy oil basins Contains extensive methodology, strong practicality and high innovation, making this an ideal book for both the practicing and seasoned reservoir engineer and petroleum geologists working with complex reservoirs

First Indian Mineral Congress & Technological Exhibition, 28th February and 1st March, 2005, ISM, Dhanbad

First Indian Mineral Congress & Technological Exhibition, 28th February and 1st March, 2005, ISM, Dhanbad
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :2005
  • Total pages :550
  • ISBN : 8177647911
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Summary :

3-D Seismic Symposium

3-D Seismic Symposium
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :2021
  • Total pages :229
  • ISBN : STANFORD:36105112773127
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Summary :

Carbonate Seismology

Carbonate Seismology
  • Author : Ibrahim Palaz,Kurt J. Marfurt,K. J. Marfurt
  • Publisher :Unknown
  • Release Date :1997
  • Total pages :443
  • ISBN : 9781560800385
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Summary : Although carbonates make up only 20% of the sedimentary rock record, they account for more than 50% of the world's proven oil reserves. Carbonates differ from siliclastics in generation, geomorphology, and diagenesis, all of which modify the mineralogy, porosity, and permeability so important to reservoir quality and 3-D seismic response. The first eight chapters establish the geologic framework and consist of state-of-the-art review papers written by recognized experts in carbonate generation, rock properties, sequence stratigraphy, seismic stratigraphy, and structural deformation. The last 10 chapters illustrate the seismic expression of carbonate terranes through carefully chosen case studies drawn from the United States, Venezuela, Norway, China, Saudi Arabia, Italy, and the Bahamas, augmented by two careful studies of seismic signal-to-noise problems specific to carbonates. A recurring theme in each of these case studies is the importance of integrating seismic and petrophysical control with geologic models to better predict carbonate facies quality and distribution. This book is destined to become a well-worn reference volume that sits easily within reach of every geologist, geophysicist, and engineer involved in the exploration or exploitation of carbonate reservoirs.

Structurally Complex Reservoirs

Structurally Complex Reservoirs
  • Author : S. J. Jolley
  • Publisher :Unknown
  • Release Date :2007
  • Total pages :488
  • ISBN : 1862392412
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Summary : This volume reviews our current understanding and ability to model the complex distribution and behaviour of fault and fracture networks, highlighting their fluid compartmentalizing effects and storage-transmissivity characteristics, and outlining approaches for predicting the dynamic fluid flow and geomechanical behaviour of these reservoirs. This collection of 25 papers provides an overview of recent progress and outstanding issues in the areas of structural complexity and fault geometry, detection and prediction of faults and fractures, compartmentalizing effects of fault systems and complex siliciclastic reservoirs and critical controls affecting fractured reservoirs.

Geophysics and Geosequestration

Geophysics and Geosequestration
  • Author : Thomas L. Davis,Martin Landrø,Malcolm Wilson
  • Publisher :Unknown
  • Release Date :2019-04-30
  • Total pages :420
  • ISBN : 9781107137493
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Summary : An overview of the geophysical techniques and analysis methods for monitoring subsurface carbon dioxide storage for researchers and industry practitioners.

Heavy Oils

Heavy Oils
  • Author : Satinder Chopra
  • Publisher :Unknown
  • Release Date :2010
  • Total pages :317
  • ISBN : 9781560802228
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Summary :

3C Seismic and VSP: Converted waves and vector wavefield applications

3C Seismic and VSP: Converted waves and vector wavefield applications
  • Author : James Gaiser
  • Publisher :Unknown
  • Release Date :2016-06-30
  • Total pages :640
  • ISBN : 9781560803355
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Summary : 3C seismic applications provide enhanced rock property characterization of the reservoir that can complement P-wave methods. Continued interest in converted P- to S-waves (PS-waves) and vertical seismic profiles (VSPs) has resulted in the steady development of advanced vector wavefield techniques. PS-wave images along with VSP data can be used to help P-wave interpretation of structure in gas obscured zones, of elastic and fluid properties for lithology discrimination from S-wave impedance and density inversion in unconventional reservoirs, and of fracture characterization and stress monitoring from S-wave birefringence (splitting) analysis. The book, which accompanies the 2016 SEG Distinguished Instructor Short Course, presents an overview of 3C seismic theory and practical application: from fundamentals of PS-waves and VSPs, through to acquisition and processing including interpretation techniques. The emphasis is on unique aspects of vector wavefields, anisotropy, and the important relationships that unify S-waves and P-waves. Various applications and case studies demonstrate image benefits from PS-waves, elastic properties and fluid discrimination from joint inversion of amplitude variations with offset/angle (AVO/A), and VSP methods for anisotropic velocity model building and improved reservoir imaging. The book will be of interest to geophysicists, geologists, and engineers, especially those involved with or considering the use of AVO/A inversion, fracture/stress characterization analyses, or interpretation in gas-obscured reservoirs.

Seismic Exploration of Hydrocarbons in Heterogeneous Reservoirs

Seismic Exploration of Hydrocarbons in Heterogeneous Reservoirs
  • Author : Jing Ba,José M. Carcione,Qizhen Du,Haibo Zhao,Tobias Muller
  • Publisher :Unknown
  • Release Date :2014-05-02
  • Total pages :370
  • ISBN : 9780124202054
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Summary : Seismic Exploration of Hydrocarbons in Heterogeneous Reservoirs: New Theories, Methods and Applications is based on the field research conducted over the past decade by an authoring team of five of the world’s leading geoscientists. In recent years, the exploration targets of world's oil companies have become more complex. The direct detection of hydrocarbons based on seismic wave data in heterogeneous oil/gas reservoirs has become a hot spot in the research of applied and exploration geophysics. The relevant theories, approaches and applications, which the authors have worked on for years and have established mature technical processes for industrial application, are of significant meaning to the further study and practice of engineers, researchers and students in related area. Authored by a team of geophysicists in industry and academia with a range of field, instruction, and research experience in hydrocarbon exploration Nearly 200 figures, photographs, and illustrations aid in the understanding of the fundamental concepts and techniques Presents the latest research in wave propagation theory, unconventional resources, experimental study, multi-component seismic processing and imaging, rock physics modeling and quantitative seismic interpretation Sophisticated approach to research systematically forms an industrial work flow for geoscience and engineering practice

The Leading Edge

The Leading Edge
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :2009
  • Total pages :229
  • ISBN : UOM:39015085238296
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Summary :

Extended Abstracts Book: Poster presentations, posters on display in Hall 10 from 12 to 14 june

Extended Abstracts Book: Poster presentations, posters on display in Hall 10 from 12 to 14 june
  • Author : European Association of Geoscientists and Engineers
  • Publisher :Unknown
  • Release Date :2001
  • Total pages :229
  • ISBN : STANFORD:36105115150307
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Summary :

Seismic Anisotropy

Seismic Anisotropy
  • Author : Erling Fjaer,Rune M. Holt,Jaswant S. Rathore
  • Publisher :Unknown
  • Release Date :1996
  • Total pages :763
  • ISBN : STANFORD:36105110503609
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Summary :

Fault and Fracture Identification and Characterization in 3D Seismic Data from Unconventional Reservoirs

Fault and Fracture Identification and Characterization in 3D Seismic Data from Unconventional Reservoirs
  • Author : Noha Sameh Farghal
  • Publisher :Unknown
  • Release Date :2018
  • Total pages :229
  • ISBN : OCLC:1035880931
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Summary : Unconventional reservoirs are becoming increasingly important on the world energy stage. Such reservoirs are hydrocarbon sources that need stimulation of some kind in order to be produced in an economically viable way, unlike conventional sources, where oil or gas readily flows into producing wells through more permeable strata. In recent years, unconventional reservoirs have proven to be highly important in North America and have, despite some setbacks and shutdowns, survived reductions in oil and gas prices. A big part of this can be attributed to exploration companies' ability to extract unconventional hydrocarbons with good efficiency, which is in turn attributed to enhanced understanding of the physical dynamics of such reservoirs due to a large body of work done by researchers. Nevertheless, unconventional recovery factors are still considerably low, and further research contributions are needed to better understand how these reservoirs work and interact with stimulation. In this thesis, I focus on the role that faults and fractures play in low permeability reservoirs' response to stimulation, particularly hydraulic fracturing. I analyzed three data sets acquired from and around injection and monitoring wells in the Barnett Shale in Texas. In two of these data sets, I identified small-scale faults and integrated faulting information with other data from wells (e.g. microseismic recordings) to understand how the presence of faults affects injected fluid flow. Results showed that even small-scale faults can have significant effects on hydraulic fracturing progress by providing corridors for fluid flow along them (a high permeability path due to fractures surrounding faults) or by dissipating fluid pressure across them, preventing fluids from effectively crossing to the other side of the fault. For one data set with different seismic surveys acquired before and after stimulation and gas production, I used 3D seismic attribute analysis to identify fractures in and around injection wells to evaluate the methods used, namely azimuth-dependent Amplitude Vs. Offset (AzAVO) and Velocity Vs. Azimuth (VVAz), and to understand how stimulation and production affected fractures in this area of the Barnett. Results showed that fracture density, rather than orientation, is more affected by the pressure introduced during stimulation and by pressure reduction with injected fluid removal and production. I also used well logs to determine the effects of mineral and organic matter content on important rock properties such as porosity. I compared results obtained on small samples (cores) in the laboratory with my results obtained from well logs which are significantly dimensionally larger than cores analyzed in labs. I concluded from analyzing well logs that porosity, for example, is proportional to organic content. This conclusion is similar to that derived from laboratory findings: porosity in many shales resides in organic material such as Kerogen.

Fractals in Petroleum Geology and Earth Processes

Fractals in Petroleum Geology and Earth Processes
  • Author : C.C. Barton,P.R. La Pointe,P R La Pointe
  • Publisher :Unknown
  • Release Date :1995-01-31
  • Total pages :317
  • ISBN : 0306448688
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Summary : Statistics of natural resources and the law of pareto. The fractal size and spatial distribution of hydrocarbon accumulations: implications for resourse assessment and exploration strategy. Estimation of Undicovered hydrocarbon potential through fractal geometry. Fractals and the pareto distribution applied to petroleum accumulation size distributions. Fractal and multifractal models and methods and stratigraphy. On the scale indenpendent shape of prograding stratigraphic units: applications to sequence stratigraphy. New models require new data: fractal and multifractal measures of gravel bedload. Erosional development of the epithopian plateau of northeast Africa from fractal analysis of topography. Hierarchical cascades and single fracture: percolation and seismic detection. Fractals paterns in porous media flow: modeling of laboratory experiments. Diffusion-limited aggregation in the earth sciences. Creating reservoir simulations with fractasl characteristics. Vertical versus Horizontal well log variability and application to fractal reservoir modeling. Fractals and exploration geophysics: seismic deconvolution and geophysical inverse problems.