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Emerging Advances in Petrophysics. Porous Media Characterization and Modeling of Multiphase Flow

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ISBN: 9783038977940 9783038977957 Year: Pages: 258 DOI: 10.3390/books978-3-03897-795-7 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Physics (General) --- Geophysics and Geomagnetism
Added to DOAB on : 2019-04-25 16:37:17
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Due to the influence of pore-throat size distribution, pore connectivity, and microscale fractures, the transport, distribution, and residual saturation of fluids in porous media are difficult to characterize. Petrophysical methods in natural porous media have attracted great attention in a variety of fields, especially in the oil and gas industry. A wide range of research studies have been conducted on the characterization of porous media covers and multiphase flow therein. Reliable approaches for characterizing microstructure and multiphase flow in porous media are crucial in many fields, including the characterization of residual water or oil in hydrocarbon reservoirs and the long-term storage of supercritical CO2 in geological formations. This book gathers together 15 recent works to emphasize fundamental innovations in the field and novel applications of petrophysics in unconventional reservoirs, including experimental studies, numerical modeling (fractal approach), and multiphase flow modeling/simulations. The relevant stakeholders of this book are authorities and service companies working in the petroleum, subsurface water resources, air and water pollution, environmental, and biomaterial sectors.

Keywords

Wilkins equation --- non-laminar flow --- turbulence modelling --- porous media --- oil tanker --- temperature drop --- oscillating motion --- numerical simulation --- soil-water characteristic curve --- initial void ratio --- air-entry value --- fractal dimension --- fractal model --- oil properties --- diffusion coefficient --- supercritical CO2 --- Peng-Robinson equation of state (PR EOS) --- CT --- digital rock --- microfractures --- Lattice Boltzmann method --- pore-scale simulations --- tight sandstone --- pore structure --- multifractal --- classification --- Ordos Basin --- loose media --- coal --- porosity --- true density --- bulk density --- overburden pressure --- particle size --- tight conglomerate --- fracture characterization and prediction --- fractal method --- salt rock --- creep --- damage --- fractional derivative --- acoustic emission --- marine gas hydrate --- submarine landslide --- greenhouse gas emission --- lifecycle management --- hazard prevention --- multilayer reservoir --- interlayer interference --- producing degree --- seepage resistance --- wellbore multiphase flow --- inclined angle --- liquid rate --- gas rate --- pressure drawdown model with new coefficients --- base-level cycle --- pore structure --- mouth bar sand body --- Huanghua Depression --- isotopic composition --- methane --- gas hydrate --- South China Sea --- Bakken Formation --- pore structure --- controlling factors --- low-temperature nitrogen adsorption --- petrophysics --- fractal porous media --- unconventional reservoirs --- multiphase flow

Flow and Transport Properties of Unconventional Reservoirs 2018

Authors: --- --- ---
ISBN: 9783039211166 9783039211173 Year: Pages: 364 DOI: 10.3390/books978-3-03921-117-3 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2019-08-28 11:21:27
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Unconventional reservoirs are usually complex and highly heterogeneous, such as shale, coal, and tight sandstone reservoirs. The strong physical and chemical interactions between fluids and pore surfaces lead to the inapplicability of conventional approaches for characterizing fluid flow in these low-porosity and ultralow-permeability reservoir systems. Therefore, new theories and techniques are urgently needed to characterize petrophysical properties, fluid transport, and their relationships at multiple scales for improving production efficiency from unconventional reservoirs. This book presents fundamental innovations gathered from 21 recent works on novel applications of new techniques and theories in unconventional reservoirs, covering the fields of petrophysical characterization, hydraulic fracturing, fluid transport physics, enhanced oil recovery, and geothermal energy. Clearly, the research covered in this book is helpful to understand and master the latest techniques and theories for unconventional reservoirs, which have important practical significance for the economic and effective development of unconventional oil and gas resources.

Keywords

fracturing fluid --- rheology --- chelating agent --- viscosity --- polymer --- fluid-solid interaction --- velocity profile --- the average flow velocity --- flow resistance --- pore network model --- shale gas --- volume fracturing --- finite volume method --- production simulation --- multi-scale flow --- multi-scale fracture --- shale gas reservoir --- fractured well transient productivity --- succession pseudo-steady state (SPSS) method --- complex fracture network --- multi-scale flow --- analysis of influencing factors --- tight sandstones --- spontaneous imbibition --- remaining oil distributions --- imbibition front --- imbibition recovery --- NMR --- slip length --- large density ratio --- contact angle --- pseudo-potential model --- lattice Boltzmann method --- micro-fracture --- dissolved gas --- experimental evaluation --- reservoir depletion --- recovery factor --- tight oil --- Lucaogou Formation --- tight oil --- pore structure --- prediction by NMR logs --- tight oil reservoir --- SRV-fractured horizontal well --- multiporosity and multiscale --- flow regimes --- productivity contribution degree of multimedium --- equilibrium permeability --- non-equilibrium permeability --- matrix–fracture interaction --- effective stress --- coal deformation --- porous media --- non-linear flow --- conformable derivative --- fractal --- hydraulic fracturing --- tight reservoirs --- fracture diversion --- extended finite element method --- fracture network --- gas adsorption capacity --- shale reservoirs --- influential factors --- integrated methods --- sulfonate gemini surfactant --- thickener --- temperature-resistance --- clean fracturing fluid --- low-salinity water flooding --- clay mineral composition --- enhanced oil recovery --- wetting angle --- pH of formation water --- fractional diffusion --- fractal geometry --- analytical model --- shale gas reservoir --- carbonate reservoir --- petrophysical characterization --- pore types --- pore structure --- permeability --- fractal dimension --- reservoir classifications --- deep circulation groundwater --- groundwater flow --- geothermal water --- faults --- isotopes --- shale permeability --- local effect --- global effect --- matrix-fracture interactions --- nanopore --- pore structure --- shale --- tight sandstone --- mudstone --- nitrogen adsorption --- fractal --- enhanced geothermal system --- well-placement optimization --- fracture continuum method --- 0-1 programming --- unconventional reservoirs --- petrophysical characterization --- fluid transport physics

Sustainability of Fossil Fuels

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ISBN: 9783039212194 9783039212200 Year: Pages: 284 DOI: 10.3390/books978-3-03921-220-0 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2019-08-28 11:21:27
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The energy and fuel industries represent an extensive field for the development and implementation of solutions aimed at improving the technological, environmental, and economic performance of technological cycles. In recent years, the issues of ecology and energy security have become especially important. Energy is firmly connected with all spheres of human economic life but, unfortunately, it also has an extremely negative (often fatal) effect on the environment and public health. Depletion of energy resources, the complexity of their extraction, and transportation are also problems of a global scale. Therefore, it is especially important nowadays to try to take care of nature and think about the resources that are necessary for future generations. For scientific teams in different countries, the development of sustainable and safe technologies for the use of fuels in the energy sector will be a challenge in the coming decades

Keywords

coal --- slurry fuel --- combustion --- forest fuels --- biomass --- anthropogenic emission concentration --- municipal solid waste --- coal processing waste --- oil refining waste --- waste management --- composite fuel --- energy production --- fuel activation --- waste-derived fuel --- coal-water slurry --- laser pulse --- syngas --- aerosol --- two-component droplet --- heating --- evaporation --- explosive breakup --- disintegration --- droplet holder material --- hydraulic fracturing --- water retention in shale --- anionic surfactant --- shale gas --- supercritical CO2 --- tectonic coal --- pore structure --- methane desorption --- embedded discrete fracture model --- fractured reservoir simulation --- matrix-fracture transmissibility --- combustion --- methane hydrate --- hydrate dissociation --- PTV method --- transport of tracers --- linear drift effect --- convection–diffusion equation --- enhanced oil recovery --- closed-form analytical solution --- methane --- combustion mechanism --- mechanism reduction --- skeletal mechanism --- Bunsen burner --- covert fault zone --- genetic mechanism --- Qikou Sag --- structure evolution --- oil-controlling mode --- Riedel shear --- Mohr–Coulomb theory --- slurry fuel --- ignition --- combustion --- combustion chamber --- soaring of fuel droplets --- trajectories of fuel droplets --- decorated polyacrylamide --- physical properties --- displacement mechanism --- flow behavior --- enhanced recovery --- injection mode --- coal consumption forecasting --- support vector machine --- improved gravitational search algorithm --- grey relational analysis --- dual string completion --- gas lift --- gas lift rate --- split factor --- gas robbing --- gas lift optimization

Fluid Flow in Fractured Porous Media

Authors: ---
ISBN: 9783039214235 9783039214242 Year: Volume: 1 Pages: 578 DOI: 10.3390/books978-3-03921-424-2 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2019-12-09 11:49:15
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The fluid flow in fracture porous media plays a significant role in the assessment of deep underground reservoirs, such as through CO2 sequestration, enhanced oil recovery, and geothermal energy development. Many methods have been employed—from laboratory experimentation to theoretical analysis and numerical simulations—and allowed for many useful conclusions. This Special Issue aims to report on the current advances related to this topic. This collection of 58 papers represents a wide variety of topics, including on granite permeability investigation, grouting, coal mining, roadway, and concrete, to name but a few. We sincerely hope that the papers published in this Special Issue will be an invaluable resource for our readers.

Keywords

scanning electron microscope (SEM) images --- permeability --- high temperature --- Darcy’s law --- confining pressures --- chemical grouts --- grain size of sand --- initial water contained in sand --- grouted sand --- macroscopic mechanical behaviors --- microstructure characteristics --- ductile failure --- gas concentration --- gob-side entry retaining (GER) --- limestone roof --- roof-cutting resistance --- roadside backfill body (RBB) --- solid backfill coal mining --- goaf --- water soaked height --- loose gangue backfill material --- deformation --- crushing ratio --- fracture grouting --- cement–silicate grout --- geophysical prospecting --- seepage --- Yellow River Embankment --- contiguous seams --- water-dripping roadway --- roadway deformation --- bolt support --- pervious concrete --- permeability coefficient --- porosity --- pore distribution characteristics --- strength --- soil–structure interface --- internal erosion --- critical hydraulic gradient --- orthogonal tests --- Pseudo Steady-State (PPS) constant --- finite-conductivity fracture --- conductivity-influence function --- normalized conductivity-influence function --- circular closed reservoir --- glutenite --- gravel --- hydraulic fracture --- numerical simulation --- propagation --- glauberite cavern for storing oil &amp --- gas --- thermal-hydrological-chemical interactions --- temperature --- brine concentration --- microstructure --- micro-CT --- damage --- cyclic heating and cooling --- physical and mechanical parameters --- failure mode --- acoustic emission --- anisotropy --- bedding plane orientation --- coal --- gas --- adsorption–desorption --- laboratory experiment --- pore pressure --- hydro-mechanical coupling --- fracture closure --- constitutive model --- effective stress --- debris flow --- dynamic characteristics --- numerical analysis --- debris-resisting barriers --- coal measures sandstone --- creep characteristics --- seepage pressure --- seepage-creep --- microscopic morphology --- Darcy flow --- heterogeneity --- numerical manifold method --- high-order --- refraction law --- hydraulic fracture network --- cohesive element method --- coal seams --- fracture propagation --- discontinuous natural fracture --- secondary fracture --- fault water inrush --- coupled THM model --- nonlinear flow in fractured porous media --- numerical model --- warning levels of fault water inrush --- bentonite-sand mixtures --- differential settlement --- deformation --- hydraulic conductivity --- crack --- geogrid --- enhanced permeability --- deviatoric stress --- mechanical behavior transition --- CH4 seepage --- volumetric strain --- strain-based percolation model --- rock-soil mechanics --- soft filling medium --- segmented grouting --- split grouting --- model experiment --- reinforcement mechanism --- longwall mining --- gob behaviors --- stress relief --- permeability --- gas drainage --- hard and thick magmatic rocks --- orthogonal ratio test --- similar simulation --- fracture --- bed separation --- disaster-causing mechanism --- artificial joint rock --- shear-flow coupled test --- hydraulic aperture --- roughness --- seepage pressure --- mixing --- conservative solute --- fractal --- roughness --- fracture --- transversely isotropic rocks --- failure mechanism --- particle flow modeling --- interface --- n/a --- fractured porous rock mass --- grouting experiment --- visualization system --- flow law --- layered progressive grouting --- sandstone and mudstone particles --- rheological deformation --- segmented rheological model --- rheological limit strain --- rheological test --- water-rock interaction --- dry-wet cycles --- slope stability --- laboratory experiment --- mechanical properties --- Xinjiang --- land reclamation --- management period --- soil particle size --- fluid flow in reclaimed soil --- effluents --- soil properties --- cohesive soils --- contamination --- time variation --- stabilization --- mixer --- viscoelastic fluid --- pore structure --- orthogonal test --- fluid–solid coupling theory --- similar-material --- regression equation --- optimum proportioning --- hydraulic fracturing --- gas fracturing --- oriented perforation --- fracture propagation --- damage mechanics --- fluid viscosity --- CO2 flooding --- supercritical CO2 --- CO2 geological storage --- tight sandstone gas reservoirs --- enhanced gas recovery --- flotation --- coal particle --- collision angle --- initial settlement position --- particle velocity --- adhesion efficiency --- green mining --- paste-like slurry --- XRD --- intelligent torque rheometer --- on-site monitoring --- cyclic wetting-drying --- deterioration --- sandstone --- mudstone --- elastic modulus --- uniaxial compressive strength --- permeability characteristics --- grading broken gangue --- compressive stress --- compression deformation --- mine shaft --- alternate strata --- surrounding rock --- shaft lining --- relief excavation --- consolidation process --- unsaturated soil --- semi-analytical solution --- impeded drainage boundary --- excess pore-pressures --- coalbed methane (CBM) --- soft coal masses --- pore structure --- fractal pore characteristics --- hydraulic fractures --- PPCZ --- multitude parameters --- propagation pattern --- stress interference --- naturally fracture --- filtration effects --- grout penetration --- unified pipe-network method --- two-phase flow --- fractured porous medium --- new cementitious material --- cement-based paste discharge --- XRD --- TG/DTG --- SEM --- MIP --- mechanical behaviors --- rock fracture --- shear-flow coupled test --- constant normal stiffness conditions --- transmissivity --- hydraulic aperture --- water inrush prevention --- backfill mining --- strata movement --- ground pressure --- floor failure depth --- water–rock interaction --- degradation mechanism --- mixed mode fracture resistance --- fracture criteria --- T-stress --- hydro-power --- high-steep slope --- fractured rock --- permeability --- seepage control --- gas-bearing coal --- electrical potential --- charge separation --- gas adsorption --- damage evolution --- Unsaturation --- chloride --- concrete --- coupling model --- numerical calculation --- debris flow --- forecasting --- rainfall-unstable soil coupling mechanism(R-USCM) --- scoops3D --- Jiaohe --- non-aqueous phase liquid --- finite element method --- two-phase flow --- mixed-form formulation --- FLAC --- pore structure --- movable fluid --- tight sandstones --- Ordos Basin --- tectonically deformed coal --- coal and gas outburst --- coal-like material --- mechanical properties --- deformation feature --- adsorption/desorption properties --- minerals --- mechanical properties --- uniaxial compressive strength --- crack distribution characteristics --- discrete element method --- lignite --- nitric acid modification --- pore structure --- surface characteristics --- adsorption performance --- n/a

Fluid Flow in Fractured Porous Media

Authors: ---
ISBN: 9783039214730 9783039214747 Year: Volume: 2 Pages: 492 DOI: 10.3390/books978-3-03921-474-7 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2019-12-09 11:49:15
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Abstract

The fluid flow in fracture porous media plays a significant role in the assessment of deep underground reservoirs, such as through CO2 sequestration, enhanced oil recovery, and geothermal energy development. Many methods have been employed—from laboratory experimentation to theoretical analysis and numerical simulations—and allowed for many useful conclusions. This Special Issue aims to report on the current advances related to this topic. This collection of 58 papers represents a wide variety of topics, including on granite permeability investigation, grouting, coal mining, roadway, and concrete, to name but a few. We sincerely hope that the papers published in this Special Issue will be an invaluable resource for our readers.

Keywords

scanning electron microscope (SEM) images --- permeability --- high temperature --- Darcy’s law --- confining pressures --- chemical grouts --- grain size of sand --- initial water contained in sand --- grouted sand --- macroscopic mechanical behaviors --- microstructure characteristics --- ductile failure --- gas concentration --- gob-side entry retaining (GER) --- limestone roof --- roof-cutting resistance --- roadside backfill body (RBB) --- solid backfill coal mining --- goaf --- water soaked height --- loose gangue backfill material --- deformation --- crushing ratio --- fracture grouting --- cement–silicate grout --- geophysical prospecting --- seepage --- Yellow River Embankment --- contiguous seams --- water-dripping roadway --- roadway deformation --- bolt support --- pervious concrete --- permeability coefficient --- porosity --- pore distribution characteristics --- strength --- soil–structure interface --- internal erosion --- critical hydraulic gradient --- orthogonal tests --- Pseudo Steady-State (PPS) constant --- finite-conductivity fracture --- conductivity-influence function --- normalized conductivity-influence function --- circular closed reservoir --- glutenite --- gravel --- hydraulic fracture --- numerical simulation --- propagation --- glauberite cavern for storing oil &amp --- gas --- thermal-hydrological-chemical interactions --- temperature --- brine concentration --- microstructure --- micro-CT --- damage --- cyclic heating and cooling --- physical and mechanical parameters --- failure mode --- acoustic emission --- anisotropy --- bedding plane orientation --- coal --- gas --- adsorption–desorption --- laboratory experiment --- pore pressure --- hydro-mechanical coupling --- fracture closure --- constitutive model --- effective stress --- debris flow --- dynamic characteristics --- numerical analysis --- debris-resisting barriers --- coal measures sandstone --- creep characteristics --- seepage pressure --- seepage-creep --- microscopic morphology --- Darcy flow --- heterogeneity --- numerical manifold method --- high-order --- refraction law --- hydraulic fracture network --- cohesive element method --- coal seams --- fracture propagation --- discontinuous natural fracture --- secondary fracture --- fault water inrush --- coupled THM model --- nonlinear flow in fractured porous media --- numerical model --- warning levels of fault water inrush --- bentonite-sand mixtures --- differential settlement --- deformation --- hydraulic conductivity --- crack --- geogrid --- enhanced permeability --- deviatoric stress --- mechanical behavior transition --- CH4 seepage --- volumetric strain --- strain-based percolation model --- rock-soil mechanics --- soft filling medium --- segmented grouting --- split grouting --- model experiment --- reinforcement mechanism --- longwall mining --- gob behaviors --- stress relief --- permeability --- gas drainage --- hard and thick magmatic rocks --- orthogonal ratio test --- similar simulation --- fracture --- bed separation --- disaster-causing mechanism --- artificial joint rock --- shear-flow coupled test --- hydraulic aperture --- roughness --- seepage pressure --- mixing --- conservative solute --- fractal --- roughness --- fracture --- transversely isotropic rocks --- failure mechanism --- particle flow modeling --- interface --- n/a --- fractured porous rock mass --- grouting experiment --- visualization system --- flow law --- layered progressive grouting --- sandstone and mudstone particles --- rheological deformation --- segmented rheological model --- rheological limit strain --- rheological test --- water-rock interaction --- dry-wet cycles --- slope stability --- laboratory experiment --- mechanical properties --- Xinjiang --- land reclamation --- management period --- soil particle size --- fluid flow in reclaimed soil --- effluents --- soil properties --- cohesive soils --- contamination --- time variation --- stabilization --- mixer --- viscoelastic fluid --- pore structure --- orthogonal test --- fluid–solid coupling theory --- similar-material --- regression equation --- optimum proportioning --- hydraulic fracturing --- gas fracturing --- oriented perforation --- fracture propagation --- damage mechanics --- fluid viscosity --- CO2 flooding --- supercritical CO2 --- CO2 geological storage --- tight sandstone gas reservoirs --- enhanced gas recovery --- flotation --- coal particle --- collision angle --- initial settlement position --- particle velocity --- adhesion efficiency --- green mining --- paste-like slurry --- XRD --- intelligent torque rheometer --- on-site monitoring --- cyclic wetting-drying --- deterioration --- sandstone --- mudstone --- elastic modulus --- uniaxial compressive strength --- permeability characteristics --- grading broken gangue --- compressive stress --- compression deformation --- mine shaft --- alternate strata --- surrounding rock --- shaft lining --- relief excavation --- consolidation process --- unsaturated soil --- semi-analytical solution --- impeded drainage boundary --- excess pore-pressures --- coalbed methane (CBM) --- soft coal masses --- pore structure --- fractal pore characteristics --- hydraulic fractures --- PPCZ --- multitude parameters --- propagation pattern --- stress interference --- naturally fracture --- filtration effects --- grout penetration --- unified pipe-network method --- two-phase flow --- fractured porous medium --- new cementitious material --- cement-based paste discharge --- XRD --- TG/DTG --- SEM --- MIP --- mechanical behaviors --- rock fracture --- shear-flow coupled test --- constant normal stiffness conditions --- transmissivity --- hydraulic aperture --- water inrush prevention --- backfill mining --- strata movement --- ground pressure --- floor failure depth --- water–rock interaction --- degradation mechanism --- mixed mode fracture resistance --- fracture criteria --- T-stress --- hydro-power --- high-steep slope --- fractured rock --- permeability --- seepage control --- gas-bearing coal --- electrical potential --- charge separation --- gas adsorption --- damage evolution --- Unsaturation --- chloride --- concrete --- coupling model --- numerical calculation --- debris flow --- forecasting --- rainfall-unstable soil coupling mechanism(R-USCM) --- scoops3D --- Jiaohe --- non-aqueous phase liquid --- finite element method --- two-phase flow --- mixed-form formulation --- FLAC --- pore structure --- movable fluid --- tight sandstones --- Ordos Basin --- tectonically deformed coal --- coal and gas outburst --- coal-like material --- mechanical properties --- deformation feature --- adsorption/desorption properties --- minerals --- mechanical properties --- uniaxial compressive strength --- crack distribution characteristics --- discrete element method --- lignite --- nitric acid modification --- pore structure --- surface characteristics --- adsorption performance --- n/a

Mathematical Modeling of Fluid Flow and Heat Transfer in Petroleum Industries and Geothermal Applications

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ISBN: 9783039287208 / 9783039287215 Year: Pages: 470 DOI: 10.3390/books978-3-03928-721-5 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2020-06-09 16:38:57
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Geothermal energy is the thermal energy generated and stored in the Earth's core, mantle, and crust. Geothermal technologies are used to generate electricity and to heat and cool buildings. To develop accurate models for heat and mass transfer applications involving fluid flow in geothermal applications or reservoir engineering and petroleum industries, a basic knowledge of the rheological and transport properties of the materials involved (drilling fluid, rock properties, etc.)—especially in high-temperature and high-pressure environments—are needed. This Special Issue considers all aspects of fluid flow and heat transfer in geothermal applications, including the ground heat exchanger, conduction and convection in porous media. The emphasis here is on mathematical and computational aspects of fluid flow in conventional and unconventional reservoirs, geothermal engineering, fluid flow, and heat transfer in drilling engineering and enhanced oil recovery (hydraulic fracturing, CO2 injection, etc.) applications.

Keywords

dynamic hydraulic-fracturing experiments --- dynamic crack tip --- fluid front kinetics --- energy conservation analysis --- cost-effective --- frequency conversion technology (FCT) --- ventilation --- methane removal --- computational fluid dynamic (CFD) --- spatiotemporal characteristics --- capacitance-resistance model --- aquifer support --- inter-well connectivity --- production optimization --- karst carbonate reservoir --- tight reservoir --- huff-‘n-puff --- fracture simulation --- enhanced oil recovery --- CO2 diffusion --- percolation model --- fractal theory --- microstructure --- critical porosity --- conductivity --- permeability --- tight oil reservoirs --- fracture compressibility --- numerical simulation --- flowback --- fracture uncertainty --- enhanced geothermal systems --- multiple parallel fractures --- semi-analytical solution --- main gas pipeline --- pressure fluctuations --- unsteady process --- multifractal theory --- fractal theory --- pore structure --- mercury intrusion porosimetry --- pore size distribution --- natural gas --- pipeline network --- continuity/momentum and energy equations coupled --- efficient simulation --- enhanced gas recovery --- longitudinal dispersion coefficient --- injection orientation --- supercritical CO2 --- CO2 permeability --- Coal excavation --- coal and rock fracture --- multiple structural units (MSU) --- energy dissipation --- AE energy --- cement --- non-Newtonian fluids --- rheology --- variable viscosity --- diffusion --- underground coal gasification (UCG) --- economics --- cost of electricity (COE) --- techno-economic model --- methanol --- ammonia --- carbon capture and storage (CCS) --- carbon capture and utilization (CCU) --- electricity generation --- process simulation --- fractal --- slippage effect --- Knudsen diffusion --- surface diffusion --- apparent permeability --- wellbore temperature --- bottom-hole pressure --- multi-pressure system --- comprehensive heat transfer model --- leakage and overflow --- GSHP (ground source heat pump) --- heat transfer --- coupled heat conduction and advection --- nest of tubes --- three-dimensional numerical simulation --- sloshing --- real-scale --- highly viscous fluids --- Navier-Stokes equations --- impact pressure --- flowback --- complex fracture network --- shale oil --- porous media --- fractal theory --- particles model --- permeability --- tube bundle model --- cement slurries --- non-Newtonian fluids --- rheology --- constitutive relations --- viscosity --- yield stress --- thixotropy --- mathematical modeling --- computational fluid dynamics (CFD) --- drilling --- porous media --- multiphase flow --- hydraulic fracturing --- geothermal --- enhanced oil recovery

Development of Unconventional Reservoirs

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ISBN: 9783039285808 / 9783039285815 Year: Pages: 522 DOI: 10.3390/books978-3-03928-581-5 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Physics (General)
Added to DOAB on : 2020-06-09 16:38:57
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The need for energy is increasing and but the production from conventional reservoirs is declining quickly. This requires an economically and technically feasible source of energy for the coming years. Among some alternative future energy solutions, the most reasonable source is from unconventional reservoirs. As the name “unconventional” implies, different and challenging approaches are required to characterize and develop these resources. This Special Issue covers some of the technical challenges for developing unconventional energy sources from shale gas/oil, tight gas sand, and coalbed methane.

Keywords

CO2 huff-n-puff --- condensate recovery --- shale gas condensate reservoir --- fractured tight reservoir --- stress-dependent permeability --- fracture penetration extent --- theoretical model --- shale gas --- multi-stage fracturing horizontal wells --- well interference --- transient pressure --- numerical analysis --- shale gas --- methane adsorption capacity --- Langmuir volume --- Langmuir pressure --- total organic carbon --- clay content --- coal rank --- petrophysical properties --- coalbed methane --- adsorption capacity --- Niutitang formation --- TOC recovery --- organic pores --- porosity --- pore structure --- unconventional reservoirs --- gravel pack --- sand control --- gradation optimization --- visual experiment --- coal measure gases (coalbed gas --- shale gas --- and tight sand gas) --- co-exploitation --- wellbore stability --- wettability --- zeta potential --- drilling fluid --- adsorption and desorption isotherms --- sorption hysteresis --- medium volatile bituminous coal --- equation of state --- NIST-Refprop --- gas compressibility factors --- original gas in-place --- gas shale --- NMR --- helium porosimetry --- clay bound water --- porosity --- pore size distribution --- low-pressure gas adsorption --- MICP --- tight gas reservoirs --- Klinkenberg slippage theory --- high pressure and low flowrate --- gas permeability measurement --- adsorption --- unconventional reservoirs --- pulse decay test --- unsteady state non-equilibrium sorption --- pseudo-steady-state non-equilibrium sorption --- equilibrium sorption --- capillary number --- initial water saturation --- capillary trapping --- residual gas distribution --- nuclear magnetic resonance --- ultra-deep well --- shock loads --- perforated string --- safety analysis --- optimization measures --- convolutional neural network --- well testing --- tight reservoirs --- pressure derivative --- automatic classification --- air flooding --- catalyst-activated low temperature oxidation --- oxidation reaction pathway --- catalytic oxidation characteristics --- Changqing tight oil --- organic-rich shale --- gas adsorption and desorption --- sorption hysteresis --- Langmuir model --- compositional 3D --- dual-porosity system --- total organic carbon (TOC) --- Computer Modelling Group (CMG) --- GEM® --- coalbed methane --- gas content --- diffusion coefficient --- reservoir simulation --- deepwater well --- perforation safety --- peak pressure --- numerical model --- orthogonal test --- limestone and calcareous mudstone interbedding --- gas content --- source-mixed gas --- fractures --- northern Guizhou --- water imbibition --- oil migration --- tight oil reservoirs --- nuclear magnetic resonance --- semi-analytical model --- reorientation fractures --- horizontal well --- tight reservoir --- flow behavior --- tight gas sand --- unconventional --- porosity–permeability --- hydraulic flow units --- electrical resistivity --- NMR --- micro-CT image --- petrophysics --- petrography --- carbon dioxide sequestration --- caprock integrity --- shale alteration --- rock-water-CO2 interaction --- lab tests under reservoir condition --- fractured-vuggy reservoirs --- physical model --- water flooding effect --- injection and production pattern --- gravity differentiation --- flow channel

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