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Recent Advances In Natural Methane Seep And Gas Hydrate Systems
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Book Synopsis Recent Advances in Natural Methane Seep and Gas Hydrate Systems by : Tamara Baumberger
Download or read book Recent Advances in Natural Methane Seep and Gas Hydrate Systems written by Tamara Baumberger and published by Frontiers Media SA. This book was released on 2023-02-13 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Charting the Future of Methane Hydrate Research in the United States by : National Research Council
Download or read book Charting the Future of Methane Hydrate Research in the United States written by National Research Council and published by National Academies Press. This book was released on 2004-11-14 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: Methane hydrate is a natural form of clathrate - a chemical substance in which one molecule forms a lattice around a "guest" molecule with chemical bonding. In this clathrate, the guest molecule is methane and the lattice is formed by water to form an ice-like solid. Methane hydrate has become the focus of international attention because of the vast potential for human use worldwide. If methane can be produced from hydrate, a reasonable assumption given that there are no obvious technical or engineering roadblocks to commercial production, the nation's natural gas energy supply could be extended for many years to come. This report reviews the Department of Energy's (DOE) Methane Hydrate Research and Development Program, the project selection process, and projects funded to date. It makes recommendations on how the DOE program could be improved. Key recommendations include focusing DOE program emphasis and research in 7 priority areas; incorporating greater scientific oversight in the selection, initiation, monitoring, and assessment of major projects funded by the DOE; strengthening DOE's contribution to education and training through funding of fellowships, and providing project applicants with a set of instructions and guidelines outlining requirements for timely and full disclosure of project results and consequences of noncompliance.
Book Synopsis Realizing the Energy Potential of Methane Hydrate for the United States by : National Research Council
Download or read book Realizing the Energy Potential of Methane Hydrate for the United States written by National Research Council and published by National Academies Press. This book was released on 2009-06-30 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: Natural gas, composed mostly of methane, is the cleanest of all the fossil fuels, emitting 25-50% less carbon dioxide than either oil or coal for each unit of energy produced. In recent years, natural gas supplied approximately 20-25% of all energy consumed in the United States. Methane hydrate is a potentially enormous and as yet untapped source of methane. The Department of Energy's Methane Hydrate Research and Development Program has been tasked since 2000 to implement and coordinate a national methane hydrate research effort to stimulate the development of knowledge and technology necessary for commercial production of methane from methane hydrate in a safe and environmentally responsible way. Realizing the Energy Potential of Methane Hydrate for the United States evaluates the program's research projects and management processes since its congressional re-authorization in 2005, and presents recommendations for its future research and development initiatives.
Book Synopsis Recent Advances in Promoters for Gas Hydrate Formation by : Fei Wang
Download or read book Recent Advances in Promoters for Gas Hydrate Formation written by Fei Wang and published by Frontiers Media SA. This book was released on 2021-08-02 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Oceanic Methane Hydrates by : Lin Chen
Download or read book Oceanic Methane Hydrates written by Lin Chen and published by Gulf Professional Publishing. This book was released on 2021-01-10 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt: Methane hydrates are still a complicated target for today’s oil and gas offshore engineers, particularly the lack of reliable real field test data or obtaining the most recent technology available on the feasibility and challenges surrounding the extraction of methane hydrates. Oceanic Methane Hydrates delivers the solid foundation as well as today’s advances and challenges that remain. Starting with the fundamental knowledge on gas hydrates, the authors define the origin, estimations, and known exploration and production methods. Historical and current oil and gas fields and roadmaps containing methane hydrates around the world are also covered to help lay the foundation for the early career engineer. Lab experiments and advancements in numerical reservoir simulations transition the engineer from research to practice with real field-core sampling techniques covered, points on how to choose producible methane hydrate reservoirs, and the importance of emerging technologies. Actual comparable onshore tests from around the world are included to help the engineer gain clarity on field expectations.Rounding out the reference are emerging technologies in all facets of the business including well completion and monitoring, economics aspects to consider, and environmental challenges, particularly methods to reduce the costs of methane hydrate exploration and production techniques. Rounding out a look at future trends, Oceanic Methane Hydrates covers both the basics and advances needed for today’s engineers to gain the required knowledge needed to tackle this challenging and exciting future energy source. Understand real data and practice examples covering the newest developments of methane hydrate, from chemical, reservoir modelling and production testing Gain worldwide coverage and analysis of the most recent extraction production tests Cover the full range of emerging technologies and environmental sustainability including current regulations and policy outlook
Book Synopsis Sediment-hosted Gas Hydrates by : D. Long
Download or read book Sediment-hosted Gas Hydrates written by D. Long and published by Geological Society of London. This book was released on 2009 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is much interest in gas hydrates in relation to their potential role as an important driver for climate change and as a major new energy source; however, many questions remain, not least the size of the global hydrate budget. Much of the current uncertainty centres on how hydrates are physically stored in sediments at a range of scales. This volume details advances in our understanding of sediment-hosted hydrates, and contains papers covering a range of studies of real and artificial sediments containing both methane hydrates and CO2 hydrates. The papers include an examination of the techniques used to locate, sample and characterize hydrates from natural, methane-rich systems, so as to understand them better. Other contributions consider the nature and stability of synthetic hydrates formed in the laboratory, which in turn improve our ability to make accurate predictive models.
Book Synopsis Economic Geology of Natural Gas Hydrate by : Michael D. Max
Download or read book Economic Geology of Natural Gas Hydrate written by Michael D. Max and published by Springer Science & Business Media. This book was released on 2005-12-21 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a companion to “Natural Gas Hydrate in Oceanic and Permafrost Environments” (Max, 2000, 2003), which is the first book on gas hydrate in this series. Although other gases can naturally form clathrate hydrates (referred to after as ‘hydrate’), we are concerned here only with hydrocarbon gases that form hydrates. The most important of these natural gases is methane. Whereas the first book is a general introduction to the subject of natural gas hydrate, this book focuses on the geology and geochemical controls of gas hydrate development and on gas extraction from naturally occurring hydrocarbon hydrates. This is the first broad treatment of gas hydrate as a natural resource within an economic geological framework. This book is written mainly to stand alone for brevity and to minimize duplication. Information in Max (2000; 2003) should also be consulted for completeness. Hydrate is a type of clathrate (Sloan, 1998) that is formed from a cage structure of water molecules in which gas molecules occupying void sites within the cages stabilize the structure through van der Waals or hydrogen bonding.
Download or read book Natural Gas Hydrate written by M.D. Max and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 665 pages. Available in PDF, EPUB and Kindle. Book excerpt: 1. THE BEGINNINGS OF HYDRATE RESEARCH Until very recently, our understanding of hydrate in the natural environment and its impact on seafloor stability, its importance as a sequester of methane, and its potential as an important mechanism in the Earth's climate change system, was masked by our lack of appreciation of the vastness of the hydrate resource. Only a few publications on naturally occurring hydrate existed prior to 1975. The first published reference to oceanic gas hydrate (Bryan and Markl, 1966) and the first publication in the scientific literature (Stoll, et a1., 1971) show how recently it has been since the topic of naturally occurring hydrate has been raised. Recently, however, the number of hydrate publications has increased substantially, reflecting increased research into hydrate topics and the initiation of funding to support the researchers. Awareness of the existence of naturally occurring gas hydrate now has spread beyond the few scientific enthusiasts who pursued knowledge about the elusive hydrate because of simple interest and lurking suspicions that hydrate would prove to be an important topic. The first national conference on gas hydrate in the U.S. was held as recently as April, 1991 at the U.S. National Center of the U.s. Geological Survey in Reston Virginia (Max et al., 1991). The meeting was co-hosted by the U.s. Geological Survey, the Naval Research Laboratory, and the U.S.
Book Synopsis Complete Guide to Methane Hydrate Energy by : U. S. Department of Energy (DOE)
Download or read book Complete Guide to Methane Hydrate Energy written by U. S. Department of Energy (DOE) and published by . This book was released on 2017-09-02 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: In March 2013, Japanese researchers announced a breakthrough in the extraction of natural gas from methane hydrates. This marked the latest important development in the quest for energy from methane hydrate, known as the ice that burns. This book presents a comprehensive collection of up-to-date publications about this vital new resource, covering all aspects of the field, including the possible effects of hydrate gas production on climate change. Contents include: Energy Resource Potential of Methane Hydrate; Methane Hydrate Program Report to Congress - October 2012; Interagency Coordination on Methane Hydrates R&D: Demonstrating the Power of Working Together; Report of the Methane Hydrate Advisory Committee on Methane Hydrate Issues and Opportunities including Assessment of Uncertainty of the Impact of Methane Hydrate on Global Climate Change; Report to Congress - An Assessment of the Methane Hydrate Research Program and An Assessment of the 5-Year Research Plan of the Department of Energy Prepared by the Federal Methane Hydrate Advisory Committee - June 2007; An Interagency Roadmap for Methane Hydrate Research and Development; Methane Hydrates R&D Program. Methane hydrate is a cage-like lattice of ice inside of which are trapped molecules of methane, the chief constituent of natural gas. If methane hydrate is either warmed or depressurized, it will revert back to water and natural gas. When brought to the earth's surface, one cubic meter of gas hydrate releases 164 cubic meters of natural gas. Hydrate deposits may be several hundred meters thick and generally occur in two types of settings: under Arctic permafrost, and beneath the ocean floor. Methane that forms hydrate can be both biogenic, created by biological activity in sediments, and thermogenic, created by geological processes deeper within the earth. While global estimates vary considerably, the energy content of methane occurring in hydrate form is immense, possibly exceeding the combined energy content of all other known fossil fuels. The U.S. Department of Energy methane hydrate program aims to develop the tools and technologies to allow environmentally safe methane production from arctic and domestic offshore hydrates. The program includes R&D in: Production Feasibility: Methane hydrates occur in large quantities beneath the permafrost and offshore, on and below the seafloor. DOE R&D is focused on determining the potential and environmental implications of production of natural gas from hydrates. Research and Modeling: DOE is studying innovative ways to predict the location and concentration of subsurface methane hydrate before drilling. DOE is also conducting studies to understand the physical properties of gas hydrate-bearing strata and to model this understanding at reservoir scale to predict future behavior and production. Climate Change: DOE is studying the role of methane hydrate formation and dissociation in the global carbon cycle. Another aspect of this research is incorporating GH science into climate models to understand the relationship between global warming and methane hydrates.
Book Synopsis Natural Gas Hydrates by : Yuguang Ye
Download or read book Natural Gas Hydrates written by Yuguang Ye and published by Springer Science & Business Media. This book was released on 2012-09-11 with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt: “Natural Gas Hydrates: Experimental Techniques and Their Applications” attempts to broadly integrate the most recent knowledge in the fields of hydrate experimental techniques in the laboratory. The book examines various experimental techniques in order to provide useful parameters for gas hydrate exploration and exploitation. It provides experimental techniques for gas hydrates, including the detection techniques, the thermo-physical properties, permeability and mechanical properties, geochemical abnormalities, stability and dissociation kinetics, exploitation conditions, as well as modern measurement technologies etc. This book will be of interest to experimental scientists who engage in gas hydrate experiments in the laboratory, and is also intended as a reference work for students concerned with gas hydrate research. Yuguang Ye is a distinguished professor of Experimental Geology at Qingdao Institute of Marine Geology, China Geological Survey, China. Professor Changling Liu works at the Qingdao Institute of Marine Geology, China Geological Survey, China.
Book Synopsis Methane Gas Hydrate by : Ayhan Demirbas
Download or read book Methane Gas Hydrate written by Ayhan Demirbas and published by Springer Science & Business Media. This book was released on 2010-02-28 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gas hydrates represent one of the world’s largest untapped reservoirs of energy and, according to some estimates, have the potential to meet global energy needs for the next thousand years. "Methane Gas Hydrate" examines this potential by focusing on methane gas hydrate, which is increasingly considered a significant source of energy. "Methane Gas Hydrate" gives a general overview of natural gas, before delving into the subject of gas hydrates in more detail and methane gas hydrate in particular. As well as discussing methods of gas production, it also discusses the safety and environmental concerns associated with the presence of natural gas hydrates, ranging from their possible impact on the safety of conventional drilling operations to their influence on Earth’s climate. "Methane Gas Hydrate" is a useful reference on an increasingly popular energy source. It contains valuable information for chemical engineers and researchers, as well as for postgraduate students.
Download or read book Gas Hydrate written by Umberta Tinivella and published by MDPI. This book was released on 2019-11-28 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Special Issue reports research spanning from the analysis of indirect data, modeling, and laboratory and geological data confirming the intrinsic multidisciplinarity of gas hydrate studies. The study areas are (1) Arctic, (2) Brazil, (3) Chile, and (4) the Mediterranean region. The results furnished an important tessera of the knowledge about the relationship of a gas hydrate system with other complex natural phenomena such as climate change, slope stability and earthquakes, and human activities.
Book Synopsis Natural Gas Hydrate Management in Deepwater Gas Well by : Zhiyuan Wang
Download or read book Natural Gas Hydrate Management in Deepwater Gas Well written by Zhiyuan Wang and published by Springer Nature. This book was released on 2020-06-19 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book chiefly describes the theories and technologies for natural gas hydrate management in deepwater gas wells. It systematically explores the mechanisms of hydrate formation, migration, deposition and blockage in multiphase flow in gas-dominated systems; constructs a multiphase flow model of multi-component systems for wells that takes into account hydrate phase transition; reveals the influence of hydrate phase transition on multiphase flows, and puts forward a creative hydrate blockage management method based on hydrate blockage free window (HBFW), which enormously improves the hydrate prevention effect in deepwater wells. The book combines essential theories and industrial technology practice to facilitate a deeper understanding of approaches to and technologies for hydrate management in deepwater wells, and provides guidance on operation design. Accordingly, it represents a valuable reference guide for both researchers and graduate students working in oil and gas engineering, offshore oil and gas engineering, oil and gas storage and transportation engineering, as well as technical staff in the fields of deepwater oil and gas drilling, development, and flow assurance.
Book Synopsis Gas Hydrate Reservoirs and Associated Methane Migration Mechanisms on Continental Margins by : Li Wei (Ph. D. in earth sciences)
Download or read book Gas Hydrate Reservoirs and Associated Methane Migration Mechanisms on Continental Margins written by Li Wei (Ph. D. in earth sciences) and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Natural gas hydrate has been studied for its natural gas storage capacity, its significant role in global carbon cycles and its possible link to continental margin submarine landslides. However, the role of gas hydrate systems in broad global processes is still not well understood due to the large uncertainties in the estimate of global distribution and concentration of gas hydrate. For a given marine geosystems, the location and volume of gas hydrate accumulations heavily rely on the methane migration mechanisms, which are important links between the gas source and gas hydrate reservoir in natural gas hydrate systems. Numerical models are a great tool to explore methane migration mechanisms for natural gas hydrate accumulations by providing a framework that combines the geophysical, geochemical, geobiological, and geological measurements. The goal of this dissertation is to apply methane transport-reaction models to better understand the mechanisms and key factors that control gas hydrate accumulations in different marine settings. In Chapter 2, I focus on gas hydrate formation in thin, isolated, coarse- grained layers and in surrounding fine-grained hydrate-free zones. I use the available geophysical logging data measured in Walker Ridge 313 (WR 313) Hole H and Hole G in the northern Gulf of Mexico, combined with advection- diffusion-reaction model to explore the hydrate formation mechanisms in the 3 m-thick Red Sand and the 4 m-thick Purple Sand. The advection-diffusion- reaction model involves aqueous methane diffusion, methane transport with water advection, and methane generation. I confirm that a short-range methane diffusion mechanism is able to explain the hydrate accumulations in thin layers and the hydrate-free zones in the surrounding muds. I show the key parameters that control the total amount of methane and hydrate formation within coarse- grained layers as well as the thickness of hydrate-free zones in the surrounding fine-grained muds. This work is published in Geochemistry, Geophysics, Geosystems, titled Factors Controlling Short-Range Methane Migration of Gas Hydrate Accumulations in Thin Coarse-Grained Layers. In Chapter 3, I describe in detail the time-dependent calculation of dissolved methane concentration and gas hydrate content in the advection- diffusion-reaction model. The partial differential equations for the mass balance of sedimentary organic carbon, methane, and hydrate are solved in terms of material derivatives. The material derivatives for each component are then solved applying a semi-Lagrangian finite difference method combined with a fractional step method, which is an effective mathematical method for solving advection problems. In addition, I show the key assumptions made in the development of the methane hydrate formation model in this work. In Chapter 4, I focus on high saturations (79-93% in pore volume) of hydrate formation in thick, coarse-grained sediments at Green Canyon 955 (GC 955) in the northern Gulf of Mexico. I use 1D and 2D numerical models and compare the predicted gas hydrate formation in coarse-grained layers with different mechanisms. I show that short-range methane diffusion and upward water advection are not enough to form high saturations of hydrate in the GC 955 reservoir, but the free gas flow is required to form high saturations of hydrate at GC 955. This work has been accepted to the special volume of American Association of Petroleum Geologists (AAPG) Bulletin, titled Methane Migration Mechanisms for The GC 955 Gas Hydrate Reservoir, Northern Gulf of Mexico. In Chapter 5, I focus on the gas hydrate system on the Hikurangi Margin, offshore New Zealand, where the reservoir is cm-thick, coarse-grained silts bounded with fine-grained muds that contain no hydrate. I show the estimation of the base of gas hydrate stability zone (GHSZ) applying temperature measurements from coring and logging and the hydrate phase boundaries calculated from Sloan and Koh (2008) and Tishchenko et al., 2005. The estimated depth to the base of GHSZ are compared to that applied in Pecher et al. (2018), Screaton et al. (2019), and Sultan (2019). In addition, I apply previously developed 1D microbial methanogenesis advection-diffusion- reaction model to test methane migration mechanisms to form hydrate reservoir at Hikurangi Margin. In Chapter 6, I summarize the effects of different methane transport mechanisms that are short-range diffusion, upward water advection, and free gas flow on gas hydrate accumulations in heterogeneous marine sediments. I conclude that hydrate distribution and volume in marine settings depends heavily on the methane migration mechanisms, but it is also controlled by the amount of methane supply and sediment heterogeneity.
Download or read book Gas Hydrates 2 written by Livio Ruffine and published by John Wiley & Sons. This book was released on 2018-04-16 with total page 387 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gas hydrates in their natural environment and for potential industrial applications (Volume 2).
Book Synopsis Detection and Production of Methane Hydrate by :
Download or read book Detection and Production of Methane Hydrate written by and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This project seeks to understand regional differences in gas hydrate systems from the perspective of as an energy resource, geohazard, and long-term climate influence. Specifically, the effort will: (1) collect data and conceptual models that targets causes of gas hydrate variance, (2) construct numerical models that explain and predict regional-scale gas hydrate differences in 2-dimensions with minimal 'free parameters', (3) simulate hydrocarbon production from various gas hydrate systems to establish promising resource characteristics, (4) perturb different gas hydrate systems to assess potential impacts of hot fluids on seafloor stability and well stability, and (5) develop geophysical approaches that enable remote quantification of gas hydrate heterogeneities so that they can be characterized with minimal costly drilling. Our integrated program takes advantage of the fact that we have a close working team comprised of experts in distinct disciplines. The expected outcomes of this project are improved exploration and production technology for production of natural gas from methane hydrates and improved safety through understanding of seafloor and well bore stability in the presence of hydrates. The scope of this project was to more fully characterize, understand, and appreciate fundamental differences in the amount and distribution of gas hydrate and how this would affect the production potential of a hydrate accumulation in the marine environment. The effort combines existing information from locations in the ocean that are dominated by low permeability sediments with small amounts of high permeability sediments, one permafrost location where extensive hydrates exist in reservoir quality rocks and other locations deemed by mutual agreement of DOE and Rice to be appropriate. The initial ocean locations were Blake Ridge, Hydrate Ridge, Peru Margin and GOM. The permafrost location was Mallik. Although the ultimate goal of the project was to understand processes that control production potential of hydrates in marine settings, Mallik was included because of the extensive data collected in a producible hydrate accumulation. To date, such a location had not been studied in the oceanic environment. The project worked closely with ongoing projects (e.g. GOM JIP and offshore India) that are actively investigating potentially economic hydrate accumulations in marine settings. The overall approach was fivefold: (1) collect key data concerning hydrocarbon fluxes which is currently missing at all locations to be included in the study, (2) use this and existing data to build numerical models that can explain gas hydrate variance at all four locations, (3) simulate how natural gas could be produced from each location with different production strategies, (4) collect new sediment property data at these locations that are required for constraining fluxes, production simulations and assessing sediment stability, and (5) develop a method for remotely quantifying heterogeneities in gas hydrate and free gas distributions. While we generally restricted our efforts to the locations where key parameters can be measured or constrained, our ultimate aim was to make our efforts universally applicable to any hydrate accumulation.
Book Synopsis Natural Gas Hydrates by : John L. Cox
Download or read book Natural Gas Hydrates written by John L. Cox and published by Butterworth-Heinemann. This book was released on 1983 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
