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Offsetting Water Requirements And Stress With Enhanced Water Recovery From Co2 Storage
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Book Synopsis Offsetting Water Requirements and Stress with Enhanced Water Recovery from CO2 Storage by :
Download or read book Offsetting Water Requirements and Stress with Enhanced Water Recovery from CO2 Storage written by and published by . This book was released on 2016 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: These are the slides from a presentation at the Mickey Leland Energy Fellowship Forum. The following topics are discussed: motivation, Saline Aquifer Storage, Subsurface Flow, Baseline No Brine Production, Ongoing Work, and the accompanying data visualizations.
Book Synopsis CO2-enhanced Water Recovery Through Integrated CO2 Injection and Brine Extraction in the Rock Springs Uplift Formation in Southwest, WY by : Kelsey A. Hunter
Download or read book CO2-enhanced Water Recovery Through Integrated CO2 Injection and Brine Extraction in the Rock Springs Uplift Formation in Southwest, WY written by Kelsey A. Hunter and published by . This book was released on 2017 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: CO2-EWR is modeled by integrating the Finite Element Heat and Mass Transfer code (fehm.lanl.gov) to simulate the flow of CO2 and brine within the reservoir and a well model to connect the properties of CO2 and brine at the surface to the properties in the reservoir. The integrated consideration of the two models determines optimal combinations of CO2 injection and brine extraction rates and identifies relationships dictated by the injection and storage of CO2 and brine extraction. I modeled CO2-EWR in the Rock Springs Uplift (RSU) formation in southwest Wyoming and controlled the rates of CO2 injection and brine extraction in order to understand the physical tradeoffs that affect the pressure evolution, CO2 storage capabilities, and CO2 Area of Review (AoR) in the aquifer.
Book Synopsis Water-Use Efficiency: Advances and Challenges in a Changing Climate by : Manoj Menon
Download or read book Water-Use Efficiency: Advances and Challenges in a Changing Climate written by Manoj Menon and published by Frontiers Media SA. This book was released on 2019-10-15 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Integrated Optimization of Carbon Dioxide Enhanced Oil Recovery and Storage Under Uncertainty by : Shengnan Chen
Download or read book Integrated Optimization of Carbon Dioxide Enhanced Oil Recovery and Storage Under Uncertainty written by Shengnan Chen and published by . This book was released on 2012 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: The newly developed optimization technique based on CO2 FOR scenario is then modified and employed to maximize CO2 storage capacity in a given reservoir. Both CO2 storage capacity with and without water production are investigated and compared. It is shown that, although the storage capacity can only be increased by 2.2% with the process of CO2 storage without water production is optimized, pressure distribution of the optimized storage process is much smoother than that of the reference case. An even pressure distribution will diminish the movement of CO2 underground, thus enhance the security of CO2 storage projects. As for the optimized process of CO2 storage with water production, not only does a much smoother pressure distribution exist compared to that of the reference case, but also the storage capacity is increased by 21.1%.
Author :National Academies of Sciences, Engineering, and Medicine Publisher :National Academies Press ISBN 13 :0309484529 Total Pages :511 pages Book Rating :4.3/5 (94 download)
Book Synopsis Negative Emissions Technologies and Reliable Sequestration by : National Academies of Sciences, Engineering, and Medicine
Download or read book Negative Emissions Technologies and Reliable Sequestration written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2019-04-08 with total page 511 pages. Available in PDF, EPUB and Kindle. Book excerpt: To achieve goals for climate and economic growth, "negative emissions technologies" (NETs) that remove and sequester carbon dioxide from the air will need to play a significant role in mitigating climate change. Unlike carbon capture and storage technologies that remove carbon dioxide emissions directly from large point sources such as coal power plants, NETs remove carbon dioxide directly from the atmosphere or enhance natural carbon sinks. Storing the carbon dioxide from NETs has the same impact on the atmosphere and climate as simultaneously preventing an equal amount of carbon dioxide from being emitted. Recent analyses found that deploying NETs may be less expensive and less disruptive than reducing some emissions, such as a substantial portion of agricultural and land-use emissions and some transportation emissions. In 2015, the National Academies published Climate Intervention: Carbon Dioxide Removal and Reliable Sequestration, which described and initially assessed NETs and sequestration technologies. This report acknowledged the relative paucity of research on NETs and recommended development of a research agenda that covers all aspects of NETs from fundamental science to full-scale deployment. To address this need, Negative Emissions Technologies and Reliable Sequestration: A Research Agenda assesses the benefits, risks, and "sustainable scale potential" for NETs and sequestration. This report also defines the essential components of a research and development program, including its estimated costs and potential impact.
Book Synopsis Carbon Sequestration Atlas of the United States and Canada by :
Download or read book Carbon Sequestration Atlas of the United States and Canada written by and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Water Footprint Assessment Manual by : Maite M. Aldaya
Download or read book The Water Footprint Assessment Manual written by Maite M. Aldaya and published by Routledge. This book was released on 2012-08-21 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: People use lots of water for drinking, cooking and washing, but significantly more for producing things such as food, paper and cotton clothes. The water footprint is an indicator of water use that looks at both direct and indirect water use of a consumer or producer. Indirect use refers to the 'virtual water' embedded in tradable goods and commodities, such as cereals, sugar or cotton. The water footprint of an individual, community or business is defined as the total volume of freshwater that is used to produce the goods and services consumed by the individual or community or produced by the business. This book offers a complete and up-to-date overview of the global standard on water footprint assessment as developed by the Water Footprint Network. More specifically it: o Provides a comprehensive set of methods for water footprint assessment o Shows how water footprints can be calculated for individual processes and products, as well as for consumers, nations and businesses o Contains detailed worked examples of how to calculate green, blue and grey water footprints o Describes how to assess the sustainability of the aggregated water footprint within a river basin or the water footprint of a specific product o Includes an extensive library of possible measures that can contribute to water footprint reduction
Download or read book CO2 Sequestration written by and published by . This book was released on 2009 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis System Design and Optimization of CO2 Storage in Deep Saline Aquifers by : Hossein Shamshiri
Download or read book System Design and Optimization of CO2 Storage in Deep Saline Aquifers written by Hossein Shamshiri and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Optimization of waterflooding sweep efficiency has been widely applied in reservoir engineering to improve hydrocarbon recovery while delaying water breakthrough and minimizing the bypassed oil in reservoirs. We develop a new framework to optimize flooding sweep efficiency in geologic formations with heterogeneous properties and demonstrate its application to waterflooding and geological CO2 sequestration problems. The new method focuses on equalizing and delaying (under constant total injected volume) the breakthrough time of the injected fluid at production wells. For application to CO2 sequestration where producers may not be present, we introduce the concept of pseudo production wells that have insignificant production rates (with negligible effect on the overall flow regime) for quantification of hypothetical breakthrough curves that can be used for optimization purpose. We apply the new method to waterflooding and CO2 sequestration optimization using two heterogeneous reservoir models. We show that in water flooding experiments, the proposed method improves the sweep efficiency by delaying the field breakthrough and equalizing breakthrough times in all production wells. In this case, the optimization results in increased oil recovery and decreased water production. We apply a modified version of the proposed algorithm to geologic CO2 sequestration problems to maximize the storage capacity of aquifers by enhancing the residual and dissolution trapping. The results from applying the proposed approach to optimization of geologic CO2 storage problems illustrate the effectiveness of the algorithm in improving residual and solubility trapping by increasing the contact between available fresh brine and the injected CO2 plume through a more uniform distribution of CO2 in the aquifer.
Book Synopsis Integrated Reservoir Studies for CO2-Enhanced Oil Recovery and Sequestration by : Shib Sankar Ganguli
Download or read book Integrated Reservoir Studies for CO2-Enhanced Oil Recovery and Sequestration written by Shib Sankar Ganguli and published by Springer. This book was released on 2017-03-30 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses the feasibility of CO2-EOR and sequestration in a mature Indian oil field, pursuing for the first time a cross-disciplinary approach that combines the results from reservoir modeling and flow simulation, rock physics modeling, geomechanics, and time-lapse (4D) seismic monitoring study. The key findings presented indicate that the field under study holds great potential for enhanced oil recovery (EOR) and subsequent CO2 storage. Experts around the globe argue that storing CO2 by means of enhanced oil recovery (EOR) could support climate change mitigation by reducing the amount of CO2 emissions in the atmosphere by ca. 20%. CO2-EOR and sequestration is a cutting-edge and emerging field of research in India, and there is an urgent need to assess Indian hydrocarbon reservoirs for the feasibility of CO2-EOR and storage. Combining the fundamentals of the technique with concrete examples, the book is essential reading for all researchers, students and oil & gas professionals who want to fully understand CO2-EOR and its geologic sequestration process in mature oil fields.
Book Synopsis Managing the Water Intensity of CO2 Storage by :
Download or read book Managing the Water Intensity of CO2 Storage written by and published by . This book was released on 2014 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Management of Displaced Waters from Geological Carbon Dioxide (CO2) Sequestration Within the Wyoming Rock Springs Uplift by : Xuan He
Download or read book Management of Displaced Waters from Geological Carbon Dioxide (CO2) Sequestration Within the Wyoming Rock Springs Uplift written by Xuan He and published by . This book was released on 2011 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: The geological CO2 sequestration project at the Wyoming Rock Springs Uplift site is anticipated to result in the injection of 127.5 million tonnes (1.7 million tonnes per year) of CO2 per well into the Tensleep/Weber Sandstone and Madison Limestone formations over a 75 year period (Surdam et al., 2009). Large amounts of water must be extracted from the formations in order to maintain reservoir forces under fracture pressure limits. Sequestration of CO2 within the two aquifers would require approximately 75 million tonnes (1 million tonnes per year) of saline water to be removed from the reservoirs. An obvious challenge for this project is to determine how to manage the displaced water in order to prevent adverse environmental impacts. Therefore, the potential impacts of the displaced water on surface waters, soils, and vegetation ecosystems, where large amounts of displaced waters are utilized, were assessed in this study. Water treatment technologies were investigated to determine possible processes that might be implemented to reduce the salt content of the displaced water that would allow for other uses. Reverse osmosis (RO) and multi-stage flash (MSF) processes were considered the most promising desalination technologies, with RO more cost-efficient compared to MSF based on historical data. Consequently, it is imperative that possible scenarios be developed whereby the treated waters can be utilized for beneficial uses, which include: industrial--power plants or water treatment plants, oil and gas industry, and soda ash production; agricultural--irrigation and livestock; ecological--enhanced in-stream flow or fisheries, wetlands or artificial wetlands, injection for aquifer storage or recovery and recreation areas; domestic--drinking water, dust abasement, fire-fighting and vehicles wash; and others--mineral extraction.
Book Synopsis Simulation of CO2 Exsolution for Enhanced Oil Recovery and CO2 Storage by : Scott R. McLaughlin
Download or read book Simulation of CO2 Exsolution for Enhanced Oil Recovery and CO2 Storage written by Scott R. McLaughlin and published by . This book was released on 2016 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis How to Store CO2 Underground: Insights from early-mover CCS Projects by : Philip Ringrose
Download or read book How to Store CO2 Underground: Insights from early-mover CCS Projects written by Philip Ringrose and published by Springer Nature. This book was released on 2020-01-01 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the scientific basis and engineering practice for CO2 storage, covering topics such as storage capacity, trapping mechanisms, CO2 phase behaviour and flow dynamics, engineering and geomechanics of geological storage, injection well design, and geophysical and geochemical monitoring. It also provides numerous examples from the early mover CCS projects, notably Sleipner and Snøhvit offshore Norway, as well as other pioneering CO2 storage projects.
Book Synopsis CO2 Exsolution -- Challenges and Opportunities in Subsurface Flow Management by : Lin Zuo
Download or read book CO2 Exsolution -- Challenges and Opportunities in Subsurface Flow Management written by Lin Zuo and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon dioxide is known to be highly soluble in water/brine, up to 5% mass fraction under reservoir conditions. In geological carbon sequestration, a large amount of injected CO2 will dissolve in brine over time. Exsolution occurs when pore pressures decline and CO2 solubility in brine decreases, resulting in the formation of a separate CO2 phase. This scenario occurs in carbon sequestration reservoirs by upward migration of CO2 saturated brine, through faults, leaking boreholes or even seals. In this way, dissolved CO2 could migrate out of storage reservoir and form a gas phase at shallower depths. Questions such as how exsolved CO2 distributes and transports, and how multiphase flows and trapping are altered in a reservoir undergoing exsolution need to be answered to achieve better subsurface flow management and risk evaluation. This study summarizes the results regarding the implications of exsolution on storage security, including pore-scale and core-scale experiments, pore-scale modeling, and numerical simulations. Applications of CO2 exsolution in Enhanced Oil Recovery are also explored. Microscopic observation of CO2 exsolution in porous media under reservoir conditions have shown that, different from an injected CO2 phase, where the gas remains interconnected and distributes at capillary equilibrium, exsolved CO2 nucleates in various locations of a porous medium, forms disconnected bubbles and propagates by repeated expansion-snap off process under capillary instability. A good correlation between bubble size distribution and pore size distribution is observed, indicating that geometry of the pore space plays an important role in controlling the mobility of brine and exsolved CO2. Core-scale multiphase flow experiments demonstrate that in the process where growing gas bubbles displace water (drainage), the water relative permeability drops significantly and is disproportionately reduced compared to gas injection, and the CO2 relative permeability remains very low, 10^-5 to 10^-3, even when the exsolved CO2 saturation increases to over 40%. Furthermore, during imbibition, exsolved CO2 remains trapped even under relatively high capillary numbers (~ 10^-6), and the water relative permeability at the imbibition endpoint is one third to one half of that with water displacing injected CO2. A model is developed to simulate the growth of exsolved gas phase in porous media under capillarity. Results are compared with experimental observations using three dimensional micro X-ray tomography. Convective transfer in the aqueous phase has been demonstrated to play an important role in controlling bubble growth and accumulation. With a Stokes flow simulator, water relative permeability curves are estimated for various sedimentary rocks under different conditions. We are capable of matching modeled gas distribution and relative permeabilities with experimental data, and extrapolating expected phase mobility reductions under reservoir conditions. CO2 exsolution does not appear to create significant risks for storage security. Due to the low mobility of exsolved CO2 and its large impact on reducing water flow, if carbonated brine migrates upwards and exsolution occurs, brine migration would be greatly reduced and limited by the presence of exsolved CO2 and the consequent low relatively permeability to brine. Similarly, if an exsolved CO2 phase were to evolve in the seal, for example, after CO2 injection stops, the effect would be to reduce the permeability to brine and the CO2 would have very low mobility. It is also possible that CO2 exsolution could have an effect on CO2-EOR recovery. This flow blocking effect is studied in experiments with water/oil/CO2 for the purpose of water conformance and oil recovery enhancement. Experiments show that exsolved CO2 performs as a secondary residual phase in porous media that effectively blocks established water flow paths and deviates water to residual oil zones, thereby increasing recovery. Overall, our studies suggest that CO2 exsolution provides an opportunity for mobility control in subsurface processes. For example, CO2 exsolution generated intentionally increases water sweep efficiency in oil reservoirs and forms gas barriers to seal high permeability zones. However, while the experimental evidence for dramatic mobility reduction is clear, the lack of simulation capability that accounts for differences between the CO2 phase morphology resulting from gas injection and gas exsolution creates challenges for modeling and hence, designing studies to exploit the mobility reduction capabilities of CO2 exsolution. Not only is history dependent behavior (hysteresis) important, but also process dependent behavior is needed. Using traditional drainage multiphase flow parameterization in simulations involving exsolution will lead to overestimates of flows and large errors in transport rates. Development of process dependent parameterizations of multiphase flow properties will be a key next step and will help to unlock the benefits from gas exsolution.
Book Synopsis Climate Intervention by : National Research Council
Download or read book Climate Intervention written by National Research Council and published by National Academies Press. This book was released on 2015-06-17 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: The signals are everywhere that our planet is experiencing significant climate change. It is clear that we need to reduce the emissions of carbon dioxide and other greenhouse gases from our atmosphere if we want to avoid greatly increased risk of damage from climate change. Aggressively pursuing a program of emissions abatement or mitigation will show results over a timescale of many decades. How do we actively remove carbon dioxide from the atmosphere to make a bigger difference more quickly? As one of a two-book report, this volume of Climate Intervention discusses CDR, the carbon dioxide removal of greenhouse gas emissions from the atmosphere and sequestration of it in perpetuity. Climate Intervention: Carbon Dioxide Removal and Reliable Sequestration introduces possible CDR approaches and then discusses them in depth. Land management practices, such as low-till agriculture, reforestation and afforestation, ocean iron fertilization, and land-and-ocean-based accelerated weathering, could amplify the rates of processes that are already occurring as part of the natural carbon cycle. Other CDR approaches, such as bioenergy with carbon capture and sequestration, direct air capture and sequestration, and traditional carbon capture and sequestration, seek to capture CO2 from the atmosphere and dispose of it by pumping it underground at high pressure. This book looks at the pros and cons of these options and estimates possible rates of removal and total amounts that might be removed via these methods. With whatever portfolio of technologies the transition is achieved, eliminating the carbon dioxide emissions from the global energy and transportation systems will pose an enormous technical, economic, and social challenge that will likely take decades of concerted effort to achieve. Climate Intervention: Carbon Dioxide Removal and Reliable Sequestration will help to better understand the potential cost and performance of CDR strategies to inform debate and decision making as we work to stabilize and reduce atmospheric concentrations of carbon dioxide.
Book Synopsis Water and Carbon Dynamics, Ecosystem Stability of Forest and Grassland in Response to Climate Change by : Xiaoming Kang
Download or read book Water and Carbon Dynamics, Ecosystem Stability of Forest and Grassland in Response to Climate Change written by Xiaoming Kang and published by Frontiers Media SA. This book was released on 2024-04-15 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Forest and grassland ecosystems are the most important carbon sinks in terrestrial ecosystems. They can maintain or enhance carbon stocks and sinks in biomass, and play vital roles in mitigating climate change. China is taking action to achieve its carbon peak and carbon-neutral targets. Climate change, particularly the increase in the frequency, severity, and extent of drought, will affect the stability of the forest and grassland. How forests and grassland mitigate and adapt to climate change is still a challenge. Exploring the response of the forest and grassland to extreme climate events contributes to improving vegetation quality and enhancing the ability to respond to climate change.
