Grain-scale Controls on Seal Integrity in Mudrocks

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Publisher :
ISBN 13 :
Total Pages : 486 pages
Book Rating : 4.:/5 (126 download)

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Book Synopsis Grain-scale Controls on Seal Integrity in Mudrocks by : Abhishek Dilip Bihani

Download or read book Grain-scale Controls on Seal Integrity in Mudrocks written by Abhishek Dilip Bihani and published by . This book was released on 2020 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mudrocks serve as geological traps and seals for carbon sequestration or for hydrocarbon formation, where mudrock capillary seals having high capillary entry pressure prevent the leakage of underlying fluids. However, they can fail if the buoyant pressure of the trapped fluid overcomes the threshold pressure of the seal. Mudrocks are composed primarily of silt-size and clay-size grains in various fractions. Microstructural observations of mudrocks have shown a silt bridging effect, whereby sufficiently abundant silt-size grains will create a stress chain across the rock matrix to preserve large pores and throats. At shallower depths, this effect can create a dual porosity system, consisting of larger pores and throats near the coarser grains, and smaller pores and throats existing only between the finer clay grains. If the preserved larger pores and throats are connected across a mudrock, it may increase the absolute permeability, and reduce the capillary threshold pressure and tortuosity, thereby decreasing its sealing capacity. Using pore-network modeling, artificial bidisperse grain packs (packings of two sizes) were generated, with and without the effect of gravity, to understand the effects of deposition and compaction on the petrophysical properties. It was observed that when the fraction of larger grains reaches about 40 - 60 % of the total volume of the grain pack, the capillary threshold transitions to a lower value and permits fluid percolation across the grain pack. The discrete element modeling (DEM) compaction simulations showed that on increasing large grain concentrations, strong force chains are formed across large-large and small-large grain contacts which decreases coordination numbers and shields larger pores. An image analysis workflow consisting of multiple filtering and user-guided segmentation steps was used to identify pores, silt grains, and clay from scanning electron microscope (SEM) images of sediments from the Kumano Basin offshore Japan. Statistical analysis showed that larger pores are better preserved when surrounded by detrital, silt size grains, and the presence of a higher fraction of silt-size grains led to a higher concentration of larger pores. The distributions of pore characteristics at different depths showed that larger pores are observed in samples with higher silt fractions despite being deeper. Since the images only offer a 2D view of the 3D rock structure, a digital rocks workflow was applied to reconstruct the mudrock pore space. Lattice Boltzmann simulations were run on the reconstructed grain packs to simulate capillary drainage using high-performance computing. The results showed that at all depths, the capillary threshold pressure for the grain packs with a higher silt fraction was lower than those with a lower silt fraction and that capillary threshold pressure also increased with depth. Thus, using a combination of pore-network modeling, DEM simulations, image analysis, and lattice Boltzmann simulations, I found that there is a significant dependence of the grain concentration and texture on the petrophysical properties. Improving our understanding about the influence of grain concentrations, spatial positions, and sizes on the fluid flow behavior is an important step towards a better characterization of mudrock seals and can help improve risk management efforts in anthropogenic waste storage and estimates of the reserve capacity of petroleum reservoirs

Exhumation of the North Atlantic Margin

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Publisher : Geological Society of London
ISBN 13 : 9781862391123
Total Pages : 504 pages
Book Rating : 4.3/5 (911 download)

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Book Synopsis Exhumation of the North Atlantic Margin by : Anthony G. Doré

Download or read book Exhumation of the North Atlantic Margin written by Anthony G. Doré and published by Geological Society of London. This book was released on 2002 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Geological Carbon Storage

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Publisher : John Wiley & Sons
ISBN 13 : 1119118670
Total Pages : 372 pages
Book Rating : 4.1/5 (191 download)

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Book Synopsis Geological Carbon Storage by : Stéphanie Vialle

Download or read book Geological Carbon Storage written by Stéphanie Vialle and published by John Wiley & Sons. This book was released on 2018-11-15 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geological Carbon Storage Subsurface Seals and Caprock Integrity Seals and caprocks are an essential component of subsurface hydrogeological systems, guiding the movement and entrapment of hydrocarbon and other fluids. Geological Carbon Storage: Subsurface Seals and Caprock Integrity offers a survey of the wealth of recent scientific work on caprock integrity with a focus on the geological controls of permanent and safe carbon dioxide storage, and the commercial deployment of geological carbon storage. Volume highlights include: Low-permeability rock characterization from the pore scale to the core scale Flow and transport properties of low-permeability rocks Fundamentals of fracture generation, self-healing, and permeability Coupled geochemical, transport and geomechanical processes in caprock Analysis of caprock behavior from natural analogues Geochemical and geophysical monitoring techniques of caprock failure and integrity Potential environmental impacts of carbon dioxide migration on groundwater resources Carbon dioxide leakage mitigation and remediation techniques Geological Carbon Storage: Subsurface Seals and Caprock Integrity is an invaluable resource for geoscientists from academic and research institutions with interests in energy and environment-related problems, as well as professionals in the field.

Abstracts Volume

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Publisher :
ISBN 13 :
Total Pages : 172 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Abstracts Volume by :

Download or read book Abstracts Volume written by and published by . This book was released on 2005 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Concise Guide to Geopressure

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Publisher : Cambridge University Press
ISBN 13 : 1107042348
Total Pages : 287 pages
Book Rating : 4.1/5 (7 download)

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Book Synopsis A Concise Guide to Geopressure by : Peter B. Flemings

Download or read book A Concise Guide to Geopressure written by Peter B. Flemings and published by Cambridge University Press. This book was released on 2021-03-25 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: A concise guide to the origins and prediction of subsurface fluid pressures, emphasizing the interactions with geological processes.

The Gulf of Mexico Sedimentary Basin

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Publisher : Cambridge University Press
ISBN 13 : 110841902X
Total Pages : 343 pages
Book Rating : 4.1/5 (84 download)

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Book Synopsis The Gulf of Mexico Sedimentary Basin by : John W. Snedden

Download or read book The Gulf of Mexico Sedimentary Basin written by John W. Snedden and published by Cambridge University Press. This book was released on 2019-11-21 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive and richly illustrated overview of the Gulf of Mexico Basin, including its reservoirs, source rocks, tectonics and evolution.

Muds and Mudstones

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Publisher : Geological Society of London
ISBN 13 : 9781862390447
Total Pages : 200 pages
Book Rating : 4.3/5 (94 download)

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Book Synopsis Muds and Mudstones by : Andrew C. Aplin

Download or read book Muds and Mudstones written by Andrew C. Aplin and published by Geological Society of London. This book was released on 1999 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Integrated Fault Seal Analysis

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Publisher : Geological Society of London
ISBN 13 : 1786204592
Total Pages : 290 pages
Book Rating : 4.7/5 (862 download)

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Book Synopsis Integrated Fault Seal Analysis by : S. Ogilvie

Download or read book Integrated Fault Seal Analysis written by S. Ogilvie and published by Geological Society of London. This book was released on 2020-08-03 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: Faults commonly trap fluids such as hydrocarbons and water and therefore are of economic significance. During hydrocarbon field development, smaller faults can provide baffles and/or conduits to flow. There are relatively simple, well established workflows to carry out a fault seal analysis for siliciclastic rocks based primarily on clay content. There are, however, outstanding challenges related to other rock types, to calibrating fault seal models (with static and dynamic data) and to handling uncertainty. The variety of studies presented here demonstrate the types of data required and workflows followed in today’s environment in order to understand the uncertainties, risks and upsides associated with fault-related fluid flow. These studies span all parts of the hydrocarbon value chain from exploration to production but are also of relevance for other industries such as radioactive waste and CO2 containment.

Sand Injectites

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Publisher : AAPG
ISBN 13 : 0891813683
Total Pages : 697 pages
Book Rating : 4.8/5 (918 download)

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Book Synopsis Sand Injectites by : A. Hurst

Download or read book Sand Injectites written by A. Hurst and published by AAPG. This book was released on 2007 with total page 697 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accompanying CD-ROM contains color illustrations.--cf. page 4 of cover.

Introduction to the Physics of Rocks

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Publisher : Princeton University Press
ISBN 13 : 9780691034522
Total Pages : 310 pages
Book Rating : 4.0/5 (345 download)

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Book Synopsis Introduction to the Physics of Rocks by : Yves Guéguen

Download or read book Introduction to the Physics of Rocks written by Yves Guéguen and published by Princeton University Press. This book was released on 1994 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: Finding viable solutions to many of the problems threatening our environment hinges on understanding the rocks below the earth's surface. For those evaluating the relative hazards of radioactive waste sites, investigating energy resources such as oil, gas, and hydrothermal energy, studying the behavior of natural hazards like earthquakes and volcanoes, or charting the flow of groundwater through the earth, this book will be indispensable. Until now, there has been no book that treats the subject of the nature and behavior of rocks in a comprehensive yet accessible manner. Yves Gu guen and Victor Palciauskas first discuss the physical properties of rocks, proceeding by chapter through mechanical, fluid flow, acoustical, electrical, dielectric, thermal, and magnetic properties. Then they provide the theoretical framework for achieving reliable data and making reasonable inferences about the aggregate system within the earth. Introduction to the Physics of Rocks covers the important and most current theoretical approaches to the physics of inhomogeneous media, including theoretical bounds on properties, various effective medium theories, percolation, and fractals. This book will be of use to students and researchers in civil, petroleum, and environmental engineering and to geologists, geophysicists, hydrologists, and other earth scientists interested in the physics of the earth. Its clear presentation, with problems at the end of each chapter and selective references, will make it ideal for advanced undergraduate-or graduate-level courses.

Geomechanical and Petrophysical Properties of Mudrocks

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Publisher : Geological Society of London
ISBN 13 : 1786203162
Total Pages : 369 pages
Book Rating : 4.7/5 (862 download)

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Book Synopsis Geomechanical and Petrophysical Properties of Mudrocks by : E.H. Rutter

Download or read book Geomechanical and Petrophysical Properties of Mudrocks written by E.H. Rutter and published by Geological Society of London. This book was released on 2017-10-09 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: A surge of interest in the geomechanical and petrophysical properties of mudrocks (shales) has taken place in recent years following the development of a shale gas industry in the United States and elsewhere, and with the prospect of similar developments in the UK. Also, these rocks are of particular importance in excavation and construction geotechnics and other rock engineering applications, such as underground natural gas storage, carbon dioxide disposal and radioactive waste storage. They may greatly influence the stability of natural and engineered slopes. Mudrocks, which make up almost three-quarters of all the sedimentary rocks on Earth, therefore impact on many areas of applied geoscience. This volume focuses on the mechanical behaviour and various physical properties of mudrocks. The 15 chapters are grouped into three themes: (i) physical properties such as porosity, permeability, fluid flow through cracks, strength and geotechnical behaviour; (ii) mineralogy and microstructure, which control geomechanical behaviour; and (iii) fracture, both in laboratory studies and in the field.

Exploring for Oil and Gas Traps

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Publisher :
ISBN 13 :
Total Pages : 1170 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Exploring for Oil and Gas Traps by : Edward A. Beaumont

Download or read book Exploring for Oil and Gas Traps written by Edward A. Beaumont and published by . This book was released on 1999 with total page 1170 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents basic concepts of petroleum geology and proven petroleum exploration techniques for locating oil and gas accumulations with viable prospects, for professionals with two or more years' experience who have a basic knowledge of most aspects of exploration methods. For the most part, chapters f

Chemical and Geological Essays

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Publisher : BoD – Books on Demand
ISBN 13 : 3385215226
Total Pages : 518 pages
Book Rating : 4.3/5 (852 download)

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Book Synopsis Chemical and Geological Essays by : Thomas Sterry Hunt

Download or read book Chemical and Geological Essays written by Thomas Sterry Hunt and published by BoD – Books on Demand. This book was released on 2023-10-20 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reprint of the original, first published in 1875.

The Control of Nature

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Publisher : Farrar, Straus and Giroux
ISBN 13 : 0374708495
Total Pages : 272 pages
Book Rating : 4.3/5 (747 download)

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Book Synopsis The Control of Nature by : John McPhee

Download or read book The Control of Nature written by John McPhee and published by Farrar, Straus and Giroux. This book was released on 2011-04-01 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: While John McPhee was working on his previous book, Rising from the Plains, he happened to walk by the engineering building at the University of Wyoming, where words etched in limestone said: "Strive on--the control of Nature is won, not given." In the morning sunlight, that central phrase--"the control of nature"--seemed to sparkle with unintended ambiguity. Bilateral, symmetrical, it could with equal speed travel in opposite directions. For some years, he had been planning a book about places in the world where people have been engaged in all-out battles with nature, about (in the words of the book itself) "any struggle against natural forces--heroic or venal, rash or well advised--when human beings conscript themselves to fight against the earth, to take what is not given, to rout the destroying enemy, to surround the base of Mt. Olympus demanding and expecting the surrender of the gods." His interest had first been sparked when he went into the Atchafalaya--the largest river swamp in North America--and had learned that virtually all of its waters were metered and rationed by a U.S. Army Corps of Engineers' project called Old River Control. In the natural cycles of the Mississippi's deltaic plain, the time had come for the Mississippi to change course, to shift its mouth more than a hundred miles and go down the Atchafalaya, one of its distributary branches. The United States could not afford that--for New Orleans, Baton Rouge, and all the industries that lie between would be cut off from river commerce with the rest of the nation. At a place called Old River, the Corps therefore had built a great fortress--part dam, part valve--to restrain the flow of the Atchafalaya and compel the Mississippi to stay where it is. In Iceland, in 1973, an island split open without warning and huge volumes of lava began moving in the direction of a harbor scarcely half a mile away. It was not only Iceland's premier fishing port (accounting for a large percentage of Iceland's export economy) but it was also the only harbor along the nation's southern coast. As the lava threatened to fill the harbor and wipe it out, a physicist named Thorbjorn Sigurgeirsson suggested a way to fight against the flowing red rock--initiating an all-out endeavor unique in human history. On the big island of Hawaii, one of the world's two must eruptive hot spots, people are not unmindful of the Icelandic example. McPhee went to Hawaii to talk with them and to walk beside the edges of a molten lake and incandescent rivers. Some of the more expensive real estate in Los Angeles is up against mountains that are rising and disintegrating as rapidly as any in the world. After a complex coincidence of natural events, boulders will flow out of these mountains like fish eggs, mixed with mud, sand, and smaller rocks in a cascading mass known as debris flow. Plucking up trees and cars, bursting through doors and windows, filling up houses to their eaves, debris flows threaten the lives of people living in and near Los Angeles' famous canyons. At extraordinary expense the city has built a hundred and fifty stadium-like basins in a daring effort to catch the debris. Taking us deep into these contested territories, McPhee details the strategies and tactics through which people attempt to control nature. Most striking in his vivid depiction of the main contestants: nature in complex and awesome guises, and those who would attempt to wrest control from her--stubborn, often ingenious, and always arresting characters.

Geotechnical Engineering of Dams

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Publisher : CRC Press
ISBN 13 : 0203387317
Total Pages : 1374 pages
Book Rating : 4.2/5 (33 download)

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Book Synopsis Geotechnical Engineering of Dams by : Robin Fell

Download or read book Geotechnical Engineering of Dams written by Robin Fell and published by CRC Press. This book was released on 2014-11-21 with total page 1374 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive text on the geotechnical and geological aspects of the investigations for and the design and construction of new dams and the review and assessment of existing dams. The book provides dam engineers and geologists with a practical approach, and gives university students an insight into the subject of dam engineering. All phases of investigation, design and construction are covered, through to the preliminary and detailed design phases and ultimately the construction phase. This revised and expanded 2nd edition includes a lengthy new chapter on the assessment of the likelihood of failure of dams by internal erosion and piping.

Petroleum Geoscience

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Publisher : Springer
ISBN 13 : 3642341322
Total Pages : 666 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis Petroleum Geoscience by : Knut Bjørlykke

Download or read book Petroleum Geoscience written by Knut Bjørlykke and published by Springer. This book was released on 2015-05-19 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive textbook presents an overview of petroleum geoscience for geologists active in the petroleum industry, while also offering a useful guide for students interested in environmental geology, engineering geology and other aspects of sedimentary geology. In this second edition, new chapters have been added and others expanded, covering geophysical methods in general and electromagnetic exploration methods in particular, as well as reservoir modeling and production, unconventional resources and practical petroleum exploration.

Quantitative Analysis of Geopressure for Geoscientists and Engineers

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Publisher : Cambridge University Press
ISBN 13 : 1009031228
Total Pages : 582 pages
Book Rating : 4.0/5 (9 download)

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Book Synopsis Quantitative Analysis of Geopressure for Geoscientists and Engineers by : Nader C. Dutta

Download or read book Quantitative Analysis of Geopressure for Geoscientists and Engineers written by Nader C. Dutta and published by Cambridge University Press. This book was released on 2021-03-11 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geopressure, or pore pressure in subsurface rock formations impacts hydrocarbon resource estimation, drilling, and drilling safety in operations. This book provides a comprehensive overview of geopressure analysis bringing together rock physics, seismic technology, quantitative basin modeling and geomechanics. It provides a fundamental physical and geological basis for understanding geopressure by explaining the coupled mechanical and thermal processes. It also brings together state-of-the-art tools and technologies for analysis and detection of geopressure, along with the associated uncertainty. Prediction and detection of shallow geohazards and gas hydrates is also discussed and field examples are used to illustrate how models can be practically applied. With supplementary MATLAB® codes and exercises available online, this is an ideal resource for students, researchers and industry professionals in geoscience and petroleum engineering looking to understand and analyse subsurface formation pressure.