Download or read book Permeability Evolution as a Result of Fluid rock Interaction written by Dmitriy Konstantinovich Astakhov and published by . This book was released on 2000 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Reactive transport modeling of fluid rock interactions associated with carbonate diagenesis and implications for reservoir quality prediction written by Ying Xiong and published by Cuvillier Verlag. This book was released on 2022-07-26 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diagenesis research is the foundation of hydrocarbon reservoir characterization and exploration. Reactive transport modeling (RTM) is an emerging approach for diagenesis research, with unique capability of quantification and forward modeling of the coupled thermo-hydro-chemical processes of diagenesis. Using TOUGHREACT simulator, this thesis investigates the two most important fluid-rock interactions in carbonate rocks, i.e., dolomitization and karstification, based on generic model analyses and a case study in the Ordos Basin, China. In particular, this study attempts to quantitatively characterize the diagenetic processes and to reconstruct the diagenesis-porosity evolution of carbonate reservoirs. Some controversies in carbonate diagenesis research, which cannot be well explained by classical geological methods, have also been discussed. The results are helpful to better understand the spatial-temporal distribution and co-evolution of diagenesis-mineral-porosity during the complicated diagenetic processes with their potential controlling factors, and to reduce the uncertainty of reservoir quality prediction.

Download or read book Geofluids written by Vratislav Hurai and published by Elsevier. This book was released on 2015-05-14 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geofluids: Developments in Microthermometry, Spectroscopy, Thermodynamics, and Stable Isotopes is the definitive source on paleofluids and the migration of hydrocarbons in sedimentary basins—ideal for researchers in oil and gas exploration. There's been a rapid development of new non-destructive analytical methods and interdisciplinary research that makes it difficult to find a single source of content on the subject of geofluids. Geoscience researchers commonly use multiple tools to interpret geologic problems, particularly if the problems involve fluid-rock interaction. This book perfectly combines the techniques of fluid inclusion microthermometry, stable isotope analyses, and various types of spectroscopy, including Raman analysis, to contribute to a thorough approach to research. Through a practical and intuitive step-by-step approach, the authors explain sample preparation, measurements, and the interpretation and analysis of data related to thermodynamics and mineral-fluid equilibria. - Features working examples in each chapter with step-by-step explanations and calculations - Broad range of case studies aid the analytical and experimental data - Includes appendices with equations of state, stable isotope fractionation equations, and Raman identification tables that aid in identification of fluid inclusion minerals - Authored by a team of expert scientists who have more than 60 years of related experience in the field and classroom combined

Download or read book Laboratory Investigation of Multiphase Permeability Evolution Due to Fracturing Fluid Filtrate in Tight Gas Sandstones written by Kelvin Abaa and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Injection of large volumes of fluids during fracture treatment may result in leak-off, capillary imbibition and trapping of the fracturing fluid filtrate in the pores of the reservoir. The trapped fluid affects the mobility of hydrocarbons during clean-up and production. Additionally, the fracturing fluid filtrate near wellbore and fracture region is one of variable composition and can induce alterations in rock-fluid and fluid-fluid interactions. The concomitant changes in multiphase permeability during fluid invasion and clean-up is one that is not fully understood. The aim of this study is to investigate the role fracturing fluid filtrate composition has on the evolution of multiphase permeability during imbibition and drainage of the aqueous phase. In this work, multiphase flow of fracturing fluid filtrate in low permeability sandstones was investigated by means of laboratory experiments for three commonly employed fracturing fluids. The multiphase flow experiments were conducted using brine, helium and filtrate from various fracturing fluids in sandstones cores of different permeabilities. The alteration of rock-fluid properties and changes in interfacial tension in the presence of gas was determined by evaluation of the obtained relative permeability curves to both gas and liquid/filtrate phase. Experimental results indicate that there was a reduction in end-point and liquid phase relative permeability following imbibition of slickwater into the core sample. The liquid phase relative permeability decreases with increasing concentration of friction reducer (Polyacrylamide solution) present in the fluid system. Adsorption flow experiments with slickwater confirm the adsorption of polyacrylamide molecules to the pore walls of the rock sample and results in increased wettability of the rock sample. This process was found to increase liquid trapping potential of the rock surface. For linear and crosslinked gels, filtrate composition does not have a significant effect on liquid relative permeability during fluid invasion due to limited polymer invasion into the core. This study also investigated the effect of alcohol and surfactant used as remediation additives on multiphase permeability evolution with different fracturing fluid systems. Multiphase permeability flow tests were conducted to determine, understand and quantify the mechanisms that govern multiphase permeability evolution using alcohols and surfactants to remediate aqueous phase trapping. Methanol and two surfactant chemicals, Novec FC-4430 and Triton X-100 were used as remediation additives in this study. Results from multiphase permeability flow tests conducted with methanol indicated that the volume of liquid removed by displacement increases with methanol concentrations for all fracturing fluids. This is attributed to increased liquid mobility from addition of methanol during the displacement process. Interfacial tension does not contribute to multiphase permeability during the displacement phase. Additionally, friction reducer alters the flow properties of the trapped liquid as indicated by increased surface tension, lower volumes of liquid removed and lower gas endpoint permeability at the same methanol concentration for cores saturated with slickwater. Majority of the improvement in gas permeability from methanol addition is by evaporation of the trapped liquid phase and is caused by increased volatility of the fracturing fluid. Results from multiphase permeability flow tests conducted with surfactant indicated that multiphase permeability evolution is driven by wettability alteration of the rock surface. Pretreatment of core sample with Novec FC-4430 before flooding with fracturing fluid results in best gas permeability improvement and liquid recovery. Triton X-100 did not improve gas permeability or liquid recovery during cleanup. Findings from this study can be used to optimize fracturing fluid and additive selection for field applications. Multiphase permeability data obtained is also useful for model assisted analysis of post fractured production performance in low permeability reservoirs.

Download or read book Dating and Duration of Fluid Flow and Fluid rock Interaction written by John Parnell and published by Geological Society of London. This book was released on 1998 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fluid flow is fundamental to many geological processes, including the development of natural resources of hydrocarbons, ore deposits and water. Modelling of these processes requires information on the timing of fluid flow events and the interaction of fluids with surrounding rocks. In addition to isotopic methods, a diversity of approaches has been developed to assess the timing of events, including palaeomagnetism, fission track analysis and fluid inclusion studies. Many techniques also provide information on the duration of fluid flow events. The papers in this volume represent the range of approaches available to determine the dating and duration of fluid flow events and fluid-rock interaction: first overview of methods of dating fluid flow; examples of commercial application of dating methods; explanations of methodology suitable for advanced teaching; extensive bibliographies.

Download or read book Water Rock Interaction written by I. Stober and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: The chemical interaction of water and rock is one of the most fascinating an d multifaceted process in geology. The composition of surface water and groundwater is largely controlled by the reaction of water with rocks and minerals. At elevated temperature, hydrothermal features, hydrothermal 0 re deposits and geothermal fields are associated with chemical effects of water-rock interaction. Surface outcrops of rocks from deeper levels in the crust, including exposures of lower crustal and mantle rocks, often display structures that formed by interaction of the rocks with a supercritical aqueous fluid at very high pT conditions. Understanding water-rock interaction is also of great importance to applied geology and geochemistry, particularly in areas such as geothermal energy, nuclear waste repositories and applied hydrogeology. The extremely wide-ranging research efforts on the universal water-rock interaction process is reflected in the wide diversity of themes presented at the regular International Symposia on Water-Rock Interaction (WRI). Because of the large and widespread interest in water-rock interaction, the European Union of Geosciences organized a special symposium on "water-rock interaction" at EUGI0, the biannual meeting in Strasbourg 1999 convened by the editors of this volume. In contrast to the regular WRI symposia addressed to the specialists, the EUG 10 "water-rock interaction" symposium brought the subject to a general platform This very successful symposium showed the way to the future of water-rock reaction research.

Download or read book Fluid Solid Interactions in Upstream Oil and Gas Applications written by Ibnelwaleed A. Hussein and published by Elsevier. This book was released on 2023-01-14 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fluid-Solid Interactions in Upstream Oil and Gas Applications, Volume 78 delivers comprehensive understanding of fluid-rock interactions in oil and gas reservoirs and their impact on drilling, production, and reservoir hydrocarbon management. The book is arranged based on intervals of the oil and gas production process and introduces the basics of reservoir fluids and their properties, along with the rheological behavior of solid-fluid systems across all stages of the reservoir, including drilling processes, acidizing, and fracking. The reference then addresses different application-specific issues, such as solid-fluid interactions in tight reservoirs, the applications of nanoparticles, interactions during the EOR processes, and environmental concerns. - Introduces the basics of reservoir fluids and their properties as well as the rheological behavior of solid-fluid systems - Discusses the latest advances in molecular simulations and their reliability - Highlights the environmental concerns regarding the application of fluid-solid systems

Download or read book Transient Permeability in Porous and Fractured Sandstones Mediated by Fluid rock Interactions written by Chaojie Cheng and published by . This book was released on 2021* with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding the fluid transport properties of subsurface rocks is essential for a large number of geotechnical applications, such as hydrocarbon (oil/gas) exploitation, geological storage (CO2/fluids), and geothermal reservoir utilization. To date, the hydromechanically-dependent fluid flow patterns in porous media and single macroscopic rock fractures have received numerous investigations and are relatively well understood. In contrast, fluid-rock interactions, which may permanently affect rock permeability by reshaping the structure and changing connectivity of pore throats or fracture apertures, need to be further elaborated. This is of significant importance for improving the knowledge of the long-term evolution of rock transport properties and evaluating a reservoir' sustainability. The thesis focuses on geothermal energy utilization, e.g., seasonal heat storage in aquifers and enhanced geothermal systems, where single fluid flow in porous rocks and rock fracture networks under various pressure and temperature conditions ...

Download or read book Chemical Weathering Rates of Silicate Minerals written by Arthur F. White and published by Walter de Gruyter GmbH & Co KG. This book was released on 2018-12-17 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 31 of Reviews in Mineralogy reviews current thinking on the fundamental processes that control chemical weathering of silicates, including the physical chemistry of reactions at mineral surfaces, the role of experimental design in isolating and quantifying these reactions, and the complex roles that water chemistry, hydrology, biology, and climate play in weathering of natural systems. The chapters in this volume are arranged to parallel this order of development from theoretical considerations to experimental studies to characterization of natural systems. Secondly, the book is meant to serve as a reference from which researchers can readily retrieve quantitative weathering rate data for specific minerals under detailed experimental controls or for natural weathering conditions. Toward this objective, the authors were encouraged to tabulate available weathering rate data for their specific topics. Finally this volume serves as a forum in which suggestions and speculations concerning the direction of future weathering research are discussed.

Download or read book Crustal Permeability written by Tom Gleeson and published by John Wiley & Sons. This book was released on 2016-11-30 with total page 557 pages. Available in PDF, EPUB and Kindle. Book excerpt: Permeability is the primary control on fluid flow in the Earth’s crust and is key to a surprisingly wide range of geological processes, because it controls the advection of heat and solutes and the generation of anomalous pore pressures. The practical importance of permeability – and the potential for large, dynamic changes in permeability – is highlighted by ongoing issues associated with hydraulic fracturing for hydrocarbon production (“fracking”), enhanced geothermal systems, and geologic carbon sequestration. Although there are thousands of research papers on crustal permeability, this is the first book-length treatment. This book bridges the historical dichotomy between the hydrogeologic perspective of permeability as a static material property and the perspective of other Earth scientists who have long recognized permeability as a dynamic parameter that changes in response to tectonism, fluid production, and geochemical reactions.

Download or read book Mechanics of Jointed and Faulted Rock written by H.P. Rossmanith and published by Routledge. This book was released on 2018-04-27 with total page 940 pages. Available in PDF, EPUB and Kindle. Book excerpt: Topics covered in this text include: geology and structural geology; mechanics; dynamics of jointed and faulted rock; physical modelling and testing; constitutive modelling; seismicity and tectonics; instrumentation; hydraulics; and applications.

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.

Download or read book Evolution of Fluid rock Interactions written by Andrew Peter George Fowler and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study is to describe the lithology, and to present spatially resolved geochemical analyses of samples, from the hydrothermally altered Iceland Deep Drilling Project (IDDP) core RN-17B and the hydrothermally altered Long Valley Caldera core BC12-31. The 9.3 m long RN 17B core was collected from the seawater-dominated Reykjanes geothermal system, located on the Reykjanes Peninsula, Iceland. The core was recovered from a vertical depth of ~ 2,560 m and an in-situ temperature of ~ 340°C. The primary lithologies observed in the RN-17B core are basaltic in composition and include: hyaloclastite breccia, fine-grained volcanic sand, lithic breccia, and crystalline basalt. The lithologies have undergone pervasive amphibolite-grade hydrothermal metamorphism, however alteration intensity is variable and is controlled by protolith composition and permeability. Original textures, including hyaloclastite glass shards, lithic clasts, chilled margins, and assumedly marine shell-fragment molds are superbly preserved despite the high metamorphic grade. The recovery of drill core as opposed to drill cuttings has provided the opportunity to investigate the evolution of the Reykjanes geothermal system by utilizing in-situ geochemical techniques in the context of observed paragenetic and spatial relationships of alteration minerals. The following in-situ geochemical techniques were performed on samples from the RN-17B core: 1) electron microprobe analyses of vein epidote, hydrothermal hornblende, and altered relict igneous plagioclase; 2) homogenization temperature and freezing point depression measurements of fluid inclusions hosted in epidote veins; and 3) strontium isotope ratio (87Sr/86Sr) measurements of vein epidote using laser ablation multi collector ICP-MS (LA-ICP-MS). In-situ geochemical analyses of alteration minerals from the RN-17B core reveal that temperature, permeability, and fluid composition have evolved over time in the active Reykjanes geothermal system. At the depth of the RN-17B core, the Reykjanes geothermal system bares many similarities to shallow seafloor hydrothermal systems, although there are subtle differences. The Long Valley geothermal system is located in eastern California and occurs within the ca. 0.76 My old Long Valley Caldera. This volcanic complex has been periodically active since about 4 Mya, and provides the heat that sustains the geothermal system. However, the nature of the flow regime of geothermal waters and the relationship to the magmatic heat source remain unclear. The main geothermal reservoir is a relatively shallow hydrological system that is believed to upwell in the western portion of the caldera and flow eastward. Additional hot upflow zones focused by faults along the flow path may sustain shallow temperatures (Sorey et al, 1991), or a Megabreccia unit may provide physical isolation of a more widespread shallow, hot flow regime from cooler waters below (Suemnicht et al., 2007). The purpose of the research reported here was to utilize geochemical proxies for temperature, fluid composition, and fluid-rock interaction to evaluate the effectiveness of the Megabreccia unit as a flow barrier. Results from microthermometric measurements of fluid inclusions hosted in carbonate veins, stable oxygen and carbon isotope analyses of carbonate veins, and major element chemistry of chlorite and illite determined by electron microprobe show that the Megabreccia unit has experienced a complex recrystallization and alteration history. This history resulted in substantial loss of permeability and supports the hypothesis that the Megabreccia unit is likely a hydrological barrier.

Download or read book Fracture Permeability Evolution in Desert Peak Quartz Monzonite written by J. J. Roberts and published by . This book was released on 2005 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fracture flow experiments are being conducted on quartz monzonite core from the Desert Peak East EGS site, Churchill County, Nevada. The flow experiments are conducted at temperatures of 167-169 C and 5.5 MPa confining pressure through artificial fractures. Two injection fluids, a saline solution and a silica-bearing solution, have been used to date. Flow rates are typically 0.02 mL/min, but other rates have been used. The fracture surfaces are characterized with a contact profilometer. The profilometry data demonstrate that it is possible to fabricate statistically similar fracture surfaces and enable us to map aperture variations, which we use in numerical simulations. Effluent samples are collected for chemical analysis. The fluid pressure gradient is measured across the specimen and effective hydraulic apertures are calculated. The experiments show a reduction in permeability over time for both injection fluids, but a more rapid loss of permeability was observed for the silica-bearing solution. The calculated hydraulic aperture is observed to decrease by 17% for the saline solution and 75% for the silica-bearing fluid, respectively. Electrical resistivity measurements, which are sensitive to the ionic content of the pore fluid, provide additional evidence of fluid-rock interactions.

Download or read book Fundamental Controls on Fluid Flow in Carbonates written by S.M. Agar and published by Geological Society of London. This book was released on 2015-02-02 with total page 473 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume highlights key challenges for fluid-flow prediction in carbonate reservoirs, the approaches currently employed to address these challenges and developments in fundamental science and technology. The papers span methods and case studies that highlight workflows and emerging technologies in the fields of geology, geophysics, petrophysics, reservoir modelling and computer science. Topics include: detailed pore-scale studies that explore fundamental processes and applications of imaging and flow modelling at the pore scale; case studies of diagenetic processes with complementary perspectives from reactive transport modelling; novel methods for rock typing; petrophysical studies that investigate the impact of diagenesis and fault-rock properties on acoustic signatures; mechanical modelling and seismic imaging of faults in carbonate rocks; modelling geological influences on seismic anisotropy; novel approaches to geological modelling; methods to represent key geological details in reservoir simulations and advances in computer visualization, analytics and interactions for geoscience and engineering.

Download or read book Previews of Heat and Mass Transfer written by and published by . This book was released on 2001 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Fluid Flow and Transport in Rocks written by B. Jamtveit and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book represents the proceedings of the 9th written by a very active group of physicists at Kongsberg seminar, held at the Norwegian Mining the University of Oslo - physicists interested in Museum located in the city of Kongsberg about complex systems in general and geo-like systems 70 km Southwest of Oslo. The Kongsberg district in particular. is known for numerous Permian vein deposits of The content of the book is organized into three native silver, and mining activity in the area lasted major parts following the introductory chapter. for more than 300 years, finally ceasing in 1957. Chapters 2 to 7 primarily treat the role of fluids The previous eight Kongsberg seminars were in specific geological environments, ranging from focused on ore-forming processes and all of these sedimentary basins (Chapters 2-3) to contact were organized by Professor Arne Bj0rlykke, now metamorphic/hydrothermal scenarios (Chapters director of the Norwegian Geological Survey. 4-5) and regional metamorphic settings (Chapters Since process-orientated research tends to break 6-7). The following four chapters (8-11) focus down the traditional barriers between the different on various properties of fluid-rock systems that geological disciplines, this seminar has always are critical in controlling flow and transport been a meeting point for people with a variety through rocks. These include: mineral solubility of geological backgrounds.