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  • 1
    Online Resource
    Online Resource
    Geomechanics of Oil and Gas Wells (2020)
    Cham :Springer International Publishing :
    Details
    Keywords: Geology. ; Geophysics. ; Environment. ; Geology. ; Geophysics. ; Environmental Sciences.
    Description / Table of Contents: Stress-Strain State of Rocks -- Deformation and Fracture of Rocks In The Presence of Filtration -- Mechanical and Mathematical, and Experimental Modeling of Oil and Gas Well Stability -- Equipment For Studying Deformation and Strength Properties of Rocks In Triaxial Loading -- Loading Programs For Rock Specimens On Triaxial Independent Loading Test System (Tilts) -- Dependence of Permeability On Stress State -- Influence of Filtration On Stress-Strain State and Rock Fracture In The Well Vicinity -- Results of Tests of Rock Specimens By Using Tilts -- Mathematical Modeling of Mechanical and Filtration Processes In Near-Wellbore Zone -- Directional Unloading Method - A New Approach To Enhancing of Oil and Gas Well Productivity.
    Abstract: The book presents an integrated approach to studying the geomechanical processes occurring in oil and gas-bearing formations during their development. It discusses the choice of a model that takes into account the basic properties of rocks; experiments to find model parameters; numerical modeling; and direct physical modeling of deformation and filtration processes in reservoir and host rocks. Taking into account features of rock behavior, such as anisotropy of the mechanical properties of rocks during elastoplastic deformation; dependence of permeability on the total stress tensor; the contribution of the filtration flow to the formation stress state; and the influence of tangential as well as normal stresses on the transition to inelastic deformation, it demonstrates how the presented approach allows the practical problems of increasing the productivity of wells, oil recovery, and ensuring the stability of wellbores to be solved. The book is intended for specialists, including geoengineers working in the oil and gas sector, teachers, graduate students and students, as well as all those interested in scientific and technological developments to meet the enormous demand for raw materials and energy. .
    Type of Medium: Online Resource
    Pages: XVI, 166 p. 140 illus., 107 illus. in color. , online resource.
    Edition: 1st ed. 2020.
    ISBN: 9783030266080
    Series Statement: Advances in Oil and Gas Exploration & Production,
    URL: https://doi.org/10.1007/978-3-030-26608-0
    DOI: 10.1007/978-3-030-26608-0
    DDC: 551
    Language: English
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  • 2
    Online Resource
    Online Resource
    Geomechanical Aspects of Operation of Underground Gas Storage (2023)
    Cham :Springer Nature Switzerland :
    Details
    Keywords: Geotechnical engineering. ; Geology. ; Sedimentology. ; Geophysics. ; Geotechnical Engineering and Applied Earth Sciences. ; Geology. ; Sedimentology. ; Geophysics.
    Description / Table of Contents: Chapter 1: Analysis of existing approaches to solving the problem of sand production during the operation of UGS wells -- Chapter 2: Experimental facilities for studying the deformation and strength properties of rocks and geomechanical modelling -- Chapter 3: Methodology for performing TILTS experiments to study the deformation, strength and filtration properties of rocks -- Chapter 4: Results of TILTS testing of the deformation, strength and filtration characteristics of reservoir rocks at uderground gas storage facilities based on triaxial tests -- Chapter 5: Geomechanical modelling of the stress-strain state in UGS reservoirs during cyclic changes in reservoir pressure and downhole pressure -- Chapter 6: Physical modelling programs of rock deformation and fracture in the near-wellbore zone of USG during gas injection and extraction -- Chapter 7: Results of physical modelling of deformation and filtration processes in the bottomhole zone of ugs wells during gas extraction and injection -- Chapter 8: Rationale for the possibility of using the directed unload reservoir method (DUR method) to increase rock permeability in the bottomhole zone of UGS wells -- Chapter 9: Justification of predictive recommendations for maximum and minimum allowable drawdowns, well flow rates and prevention of sand production.
    Abstract: This book is devoted to the most important and urgent problems arising during the operation of underground gas storage facilities (UGS) and associated with the destruction of the reservoir and sand production into the wells. UGS facilities play a special role in ensuring high reliability of stable and guaranteed gas supplies to consumers. However, despite many years of experience in UGS well operation, there is still no sufficiently substantiated geomechanical model of reservoir failure and a mathematical description of the processes occurring in the reservoir-well system, taking into account the peculiarities of the mechanical behavior of reservoir rocks during cyclic injection and extraction of gas. As a result, there are no reliable criteria for establishing a rational regime for the operation of an UGS wells in conditions of a possible destruction of reservoir rocks. Further development of underground gas storage direction requires the introduction of innovative technologies that can be used both in the design of new UGS facilities and to extend the safe and efficient operation of existing underground gas storage facilities. To solve these problems, the most promising technologies, taking into account their efficiency, relatively low cost and environmental safety, are those based on the geomechanical approach. The book is addressed to specialists in the development and operation of underground gas storage facilities, as well as specialists in geomechanics of oil and gas fields. It can be useful for students and graduate students studying in the speciality "Development of oil and gas fields".
    Type of Medium: Online Resource
    Pages: XIV, 147 p. 56 illus., 47 illus. in color. , online resource.
    Edition: 1st ed. 2023.
    ISBN: 9783031347658
    Series Statement: Springer Geology,
    URL: https://doi.org/10.1007/978-3-031-34765-8
    DOI: 10.1007/978-3-031-34765-8
    DDC: 624.151
    Language: English
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  • 3
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    Fungal Planet description sheets: 320–370 (2015)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi (0031-05850) vol.34 (2015) nr.1 p.167
    Details
    Publication Date: 2015-07-02
    Description: Novel species of fungi described in the present study include the following from Malaysia: Castanediella eucalypti from Eucalyptus pellita, Codinaea acacia from Acacia mangium, Emarcea eucalyptigena from Eucalyptus brassiana, Myrtapenidiella eucalyptorum from Eucalyptus pellita, Pilidiella eucalyptigena from Eucalyptus brassiana and Strelitziana malaysiana from Acacia mangium. Furthermore, Stachybotrys sansevieriicola is described from Sansevieria ehrenbergii (Tanzania), Phacidium grevilleae from Grevillea robusta (Uganda), Graphium jumulu from Adansonia gregorii and Ophiostoma eucalyptigena from Eucalyptus marginata (Australia), Pleurophoma ossicola from bone and Plectosphaerella populi from Populus nigra (Germany), Colletotrichum neosansevieriae from Sansevieria trifasciata, Elsinoë othonnae from Othonna quinquedentata and Zeloasperisporium cliviae (Zeloasperisporiaceae fam. nov.) from Clivia sp. (South Africa), Neodevriesia pakbiae, Phaeophleospora hymenocallidis and Phaeophleo­spora hymenocallidicola on leaves of a fern (Thailand), Melanconium elaeidicola from Elaeis guineensis (Indonesia), Hormonema viticola from Vitis vinifera (Canary Islands), Chlorophyllum pseudoglobossum from a grassland (India), Triadelphia disseminata from an immunocompromised patient (Saudi Arabia), Colletotrichum abscissum from Citrus (Brazil), Polyschema sclerotigenum and Phialemonium limoniforme from human patients (USA), Cadophora vitícola from Vitis vinifera (Spain), Entoloma flavovelutinum and Bolbitius aurantiorugosus from soil (Vietnam), Rhizopogon granuloflavus from soil (Cape Verde Islands), Tulasnella eremophila from Euphorbia officinarum subsp. echinus (Morocco), Verrucostoma martinicensis from Danaea elliptica (French West Indies), Metschnikowia colchici from Colchicum autumnale (Bulgaria), Thelebolus microcarpus from soil (Argentina) and Ceratocystis adelpha from Theobroma cacao (Ecuador). Myrmecridium iridis (Myrmecridiales ord. nov., Myrmecridiaceae fam. nov.) is also described from Iris sp. (The Netherlands). Novel genera include (Ascomycetes): Budhanggurabania from Cynodon dactylon (Australia), Soloacrosporiella, Xenocamarosporium, Neostrelitziana and Castanediella from Acacia mangium and Sabahriopsis from Eucalyptus brassiana (Malaysia), Readerielliopsis from basidiomata of Fuscoporia wahlbergii (French Guyana), Neoplatysporoides from Aloe ferox (Tanzania), Wojnowiciella, Chrysofolia and Neoeriomycopsis from Eucalyptus (Colombia), Neophaeomoniella from Eucalyptus globulus (USA), Pseudophaeomoniella from Olea europaea (Italy), Paraphaeomoniella from Encephalartos altensteinii, Aequabiliella, Celerioriella and Minutiella from Prunus (South Africa). Tephrocybella (Basidiomycetes) represents a novel genus from wood (Italy). Morphological and culture characteristics along with ITS DNA barcodes are provided for all taxa.
    Keywords: ITS DNA barcodes ; LSU ; novel fungal species ; systematics
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
    Format: application/pdf
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  • 4
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    Fungal Planet description sheets: 320\xe2\x80\x93370 (2015)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi vol. 34 no. 1, pp. 167-266
    Details
    Publication Date: 2024-02-01
    Description: Novel species of fungi described in the present study include the following from Malaysia: Castanediella eucalypti from Eucalyptus pellita, Codinaea acacia from Acacia mangium, Emarcea eucalyptigena from Eucalyptus brassiana, Myrtapenidiella eucalyptorum from Eucalyptus pellita, Pilidiella eucalyptigena from Eucalyptus brassiana and Strelitziana malaysiana from Acacia mangium. Furthermore, Stachybotrys sansevieriicola is described from Sansevieria ehrenbergii (Tanzania), Phacidium grevilleae from Grevillea robusta (Uganda), Graphium jumulu from Adansonia gregorii and Ophiostoma eucalyptigena from Eucalyptus marginata (Australia), Pleurophoma ossicola from bone and Plectosphaerella populi from Populus nigra (Germany), Colletotrichum neosansevieriae from Sansevieria trifasciata, Elsino\xc3\xab othonnae from Othonna quinquedentata and Zeloasperisporium cliviae (Zeloasperisporiaceae fam. nov.) from Clivia sp. (South Africa), Neodevriesia pakbiae, Phaeophleospora hymenocallidis and Phaeophleospora hymenocallidicola on leaves of a fern (Thailand), Melanconium elaeidicola from Elaeis guineensis (Indonesia), Hormonema viticola from Vitis vinifera (Canary Islands), Chlorophyllum pseudoglobossum from a grassland (India), Triadelphia disseminata from an immunocompromised patient (Saudi Arabia), Colletotrichum abscissum from Citrus (Brazil), Polyschema sclerotigenum and Phialemonium limoniforme from human patients (USA), Cadophora vit\xc3\xadcola from Vitis vinifera (Spain), Entoloma flavovelutinum and Bolbitius aurantiorugosus from soil (Vietnam), Rhizopogon granuloflavus from soil (Cape Verde Islands), Tulasnella eremophila from Euphorbia officinarum subsp. echinus (Morocco), Verrucostoma martinicensis from Danaea elliptica (French West Indies), Metschnikowia colchici from Colchicum autumnale (Bulgaria), Thelebolus microcarpus from soil (Argentina) and Ceratocystis adelpha from Theobroma cacao (Ecuador). Myrmecridium iridis (Myrmecridiales ord. nov., Myrmecridiaceae fam. nov.) is also described from Iris sp. (The Netherlands). Novel genera include (Ascomycetes): Budhanggurabania from Cynodon dactylon (Australia), Soloacrosporiella, Xenocamarosporium, Neostrelitziana and Castanediella from Acacia mangium and Sabahriopsis from Eucalyptus brassiana (Malaysia), Readerielliopsis from basidiomata of Fuscoporia wahlbergii (French Guyana), Neoplatysporoides from Aloe ferox (Tanzania), Wojnowiciella, Chrysofolia and Neoeriomycopsis from Eucalyptus (Colombia), Neophaeomoniella from Eucalyptus globulus (USA), Pseudophaeomoniella from Olea europaea (Italy), Paraphaeomoniella from Encephalartos altensteinii, Aequabiliella, Celerioriella and Minutiella from Prunus (South Africa). Tephrocybella (Basidiomycetes) represents a novel genus from wood (Italy). Morphological and culture characteristics along with ITS DNA barcodes are provided for all taxa.
    Keywords: ITS DNA barcodes ; LSU ; novel fungal species ; systematics
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
    Format: application/pdf
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  • 5
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    New bounds on lepton flavor violating decays of vector mesons and the Z^{0} boson (2011)
    American Physical Society (APS)
    Details
    Publication Date: 2011-06-17
    Description: Author(s): Thomas Gutsche, Juan C. Helo, Sergey Kovalenko, and Valery E. Lyubovitskij We give an estimate for the upper bounds on rates of lepton flavor violating (LFV) decays M → μ ± e ∓ of vector mesons M = ρ 0 , ω , ϕ , J / ψ , Υ and the Z 0 boson in a model-independent way, analyzing the corresponding lowest dimension effective operators. These operators also contribute to nuclear μ - e -conversio... [Phys. Rev. D 83, 115015] Published Thu Jun 16, 2011
    Keywords: Beyond the standard model
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
    Published by American Physical Society (APS)
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  • 6
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    Neutrinoless double beta decay and QCD running at low energy scales (2018)
    American Physical Society (APS)
    Details
    Publication Date: 2018-06-06
    Description: Author(s): M. González, M. Hirsch, and S. G. Kovalenko There is a common belief that the main uncertainties in the theoretical analysis of neutrinoless double beta ( 0 ν β β ) decay originate from the nuclear matrix elements. Here, we uncover another previously overlooked source of potentially large uncertainties stemming from nonperturbative QCD effects. Re... [Phys. Rev. D 97, 115005] Published Tue Jun 05, 2018
    Keywords: Beyond the standard model
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
    Published by American Physical Society (APS)
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  • 7
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    Interpolating formula for the $0νββ$-decay half-life in the case of light and heavy neutrino mass mechanisms (2018)
    American Physical Society (APS)
    Details
    Publication Date: 2018-07-04
    Description: Author(s): A. Babič, S. Kovalenko, M. I. Krivoruchenko, and F. Šimkovic We revisit the “interpolating formula” proposed in our previous publication. It allows one to calculate the 0 ν β β -decay half-life for arbitrary neutrino mass without the involvement of the complicated results for nuclear matrix elements (NMEs) obtained within specific nuclear structure models. The fo... [Phys. Rev. D 98, 015003] Published Tue Jul 03, 2018
    Keywords: Beyond the standard model
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
    Published by American Physical Society (APS)
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  • 8
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    QCD-improved limits from neutrinoless double beta decay (2017)
    American Physical Society (APS)
    Details
    Publication Date: 2017-07-12
    Description: Author(s): C. Arbeláez, M. González, S. G. Kovalenko, and M. Hirsch We analyze the impact of QCD corrections on limits derived from neutrinoless double beta decay ( 0 ν β β ). As demonstrated previously, the effect of the color mismatch arising from loops with gluons linking the quarks from different color-singlet currents participating in the effective operators has a d... [Phys. Rev. D 96, 015010] Published Tue Jul 11, 2017
    Keywords: Beyond the standard model
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
    Published by American Physical Society (APS)
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  • 9
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    Deep inelastic $e−τ$ and $μ−τ$ conversion in the NA64 experiment at the CERN SPS (2018)
    American Physical Society (APS)
    Details
    Publication Date: 2018-07-06
    Description: Author(s): Sergei Gninenko, Sergey Kovalenko, Serguei Kuleshov, Valery E. Lyubovitskij, and Alexey S. Zhevlakov We study the lepton flavor violating (LFV) e ( μ ) − τ conversion in deep inelastic scattering (DIS) of electrons (muons) on fixed-target nuclei. Our model-independent analysis is based on the set of low-energy effective four-fermion LFV operators composed of leptons and quarks with the corresponding mas... [Phys. Rev. D 98, 015007] Published Thu Jul 05, 2018
    Keywords: Beyond the standard model
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
    Published by American Physical Society (APS)
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