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Добірка наукової літератури з теми "Clayey rocks"

Автор: Grafiati

Опубліковано: 31 травня 2022

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Статті в журналах з теми "Clayey rocks"

Pineda, Jubert A., and Daichao Sheng. "Environmental degradation of clayey rocks." Japanese Geotechnical Society Special Publication 7, no. 2 (April 30, 2019): 8–20. http://dx.doi.org/10.3208/jgssp.v07.002.

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Maslov, A. V., V. N. Podkovyrov, and L. N. Kotova. "Synrift clayey rocks: bulk chemical composition and position on discriminant paleogeodynamic diagrams." Геохимия 64, no. 6 (June 26, 2019): 618–33. http://dx.doi.org/10.31857/s0016-7525646618-633.

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The paper analyzes the bulk chemical composition and distribution of the fields of syn-rift clayey rocks on a number of discriminant paleogeodynamic diagrams. It is shown that, in general, there are significant variations in the bulk chemical composition for syn-rift clayey rocks. Thus, for example, the average SiO2 content varies from 44.74 to 66.42 wt. %, the average content of Al2O3 varies from 16.62 to 29.92 wt. %, and the K2Oaver are in the range 0.24 ... 5.77 wt. %. Based on the distribution of the figurative points of the syn-rift clayey rocks of various objects/riftogenous structures in the F1–F2 diagram, it can be assumed that the sources of fine aluminosilicoclastic were magmatic and sedimentary rocks of a wide range of compositions. The substantial overlap of the fields of various objects in the classification diagrams [(Na2O + K2O)/Al2O3]–[(Fe2O3tot + MgO)/SiO2] and K/Al–Mg/Al indicates, in general, the similarity of the compositions of the syn-rift fine-grained clastic rocks of various types of riftogenic structures. The localization of the composition fields of the clayey rocks of different riftogenous structures on such discriminant paleogeodynamic diagrams as K2O/Na2O–SiO2/Al2O3 and SiO2–K2O/Na2O suggests that they do not allow correctly distinguishing between syn-rift clayey rocks and fine-grained rosks of other geodynamic environments. The position of the syn-rift clayey rocks fields presented in our database on the diagram DF1–DF2 has its own characteristics. In most cases, they occupy a particular position in the areas characterizing collision and rifting environments, and a number of fields are located in all three classification areas of this diagram. A significant part of the midpoints of the syn-rift clayey rocks is localized in the DF1–DF2 diagram in the collision field. It seems that all of the above indicates that the DF1–DF2 diagram also does not allow us to obtain a correct information about the geodynamic nature of terrigenous associations.

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Maslov, A. V., V. N. Podkovyrov, E. Z. Gareev, and A. D. Nozhkin. "Synrift sandstones and clayey rocks: bulk chemical composition and location on a number of discriminant paleogeodynamic diagrams." Литология и полезные ископаемые, no. 5 (October 20, 2019): 439–65. http://dx.doi.org/10.31857/s0024-497x20195439-465.

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The bulk chemical composition of synrift sandstones and associated clayey rocks has been analized, and the distribution of the fields they form has been studied on discriminant paleogeodynamic SiO2K2O/Na2O [Roser, Korsch, 1986] and DF1DF2 [Verma, Armstrong-Altrin, 2013] diagrams. The studied sandstones in terms of bulk chemical composition mainly correspond to greywacke, lititic, arkose and subarkose psammites; Sublitites and quartz arenites are also found. A significant part in the analyzed data massif consists of psammites, in which log(Na2O/K2O)-1.0; missing on the Pettijohn classification chart. This confirms our conclusion, based on the results of mineralogical and petrographic studies, that the sedimentary infill of rift structures unites immature sandstones, the detrital framework of which was formed due to erosion of local sources, represented by various magmatic and sedimentary formations. Synrift clayey rocks, compared with sandstones, are composed of more mature fine-grained siliciclastics. As follows from the distribution of figurative data points of clayey rocks on the F1F2 diagram [Roser, Korsch, 1988], its sources were mainly sedimentary deposits. The content of most of the main rock-forming oxides in the synrift sandstones is almost the same as in silt-sandstone rocks present in the Upper Precambrian-Phanerozoic sedimentary mega-complex of the East European Plate, but at the same time differs significantly from the Proterozoic and Phanerozoic cratonic sediments, as well as from the average composition upper continental crust. It is shown that the distribution of the fields of syntift sandstones and clayey rocks on the SiO2K2O/Na2O diagram does not have any distinct features, and their figurative data points are localized in the areas of terrigenous rocks of passive and active continental margins. On the DF1DF2 diagram, the fields of the studied psammites and clayey rocks are located in areas of riftogenous and collisional environments. We have proposed a different position of the border between these areas in the diagram, which will require further verification.

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Kurovets, S. S., and І. V. Artym. "Evaluation of the geological factors impact on capacity and filtration properties of terrigenuous reservoirs of the Pre-Carpathian foredeep." Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas, no. 1(44) (May 5, 2018): 25–37. http://dx.doi.org/10.31471/1993-9965-2018-1(44)-25-37.

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The following main geological factors that determine the reservoir properties of the terrigenous rocks of the Pre-Carpathian foredeep were identified, namely: mineral composition, structural and texture features, and thermobaric factors. The mineral composition of the rock-forming minerals, the shape, the size of the fragmented grains and pores, their mutual placement, the type of fluid and the thermodynamic state determine the reservoir properties of terrigenous rocks. The best reservoirs are sandstones, compiled with larger and sorted grains. The increase of clay and carbonate material sharply worsens the reservoir properties of rocks. Sealing and secondary processes (sieving, calcifying, pyrolysis) negatively affect the reservoir properties of rocks, reduce their porosity and permeability. Some dependencies were identified. These dependencies make it possible to predict the maximum porosity of sandstones, depending on their immersion in depth. The given porosity data of sandy-clayey rocks shows, that sorted quartz sandstones with insignificant contents of clayey and carbonate materials have greater intergranular porosity and permeability at great depths.

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Epov, M. I., P. P. Bobrov, V. L. Mironov, and A. V. Repin. "Dielectric relaxation in oil-bearing clayey rocks." Russian Geology and Geophysics 52, no. 9 (September 2011): 1028–34. http://dx.doi.org/10.1016/j.rgg.2011.08.008.

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Khramchenkov, M. G. "Rheological double-porosity model for clayey rocks." International Journal of Rock Mechanics and Mining Sciences 42, no. 7-8 (October 2005): 1006–14. http://dx.doi.org/10.1016/j.ijrmms.2005.05.013.

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Barnichon, Jean-Dominique, Alexandre Dauzères, and Laurent De Windt. "Understanding oxidizing transient conditions in clayey rocks." Applied Geochemistry 98 (November 2018): 435–47. http://dx.doi.org/10.1016/j.apgeochem.2018.09.018.

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Maslov, А. V. "Bashkirian meganticlinorium: Late Riphean-Vendian hiatuses and possible transformations of basin provenances." LITHOSPHERE (Russia) 20, no. 4 (August 31, 2020): 455–70. http://dx.doi.org/10.24930/1681-9004-2020-20-4-455-470.

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The object of research. At the top of the Upper Riphean-Vendian sedimentary sequence of the Bashkirian meganticlinorium (western and central parts of the named structure, corresponding to the stratotypical locality of Riphean) there is a series of fairly well-established hiatuses – the pre-Uk and pre-Bakeevo. One can also assume the existence of the pre-Uruk and pre-Basa hiatuses. During each of them, the thin-grained aluminosiliciclastic’s distribution systems could be subjected to one or another transformations. However, whether this is actually the case is still not entirely clear. To solve this problem, the lithogeochemical features of clayey rocks of the Inzer, Minyar, Uk, Bakeevo and Basa formations are analyzed. If we assume that the hiatuses are accompanied by restructuring of the provenances, then this can/should lead to the appearance of more fresh, previously not subject to weathering, rock complexes at the paleo-watersheds. This circumstance should cause a change in the lithochemical characteristics of the thin-grained aluminosiliciclastics entering to the sedimentation area. Methods. The analysis of the lithogeochemical features of clayey rocks is based on data on the content of the main rock-forming oxides (about 40 analyzes) and rare and trace elements (total of 70 analyzes). These data make it impossible to investigate the change in different lithogeochemical parameters of clayey rocks (for example, CIA, GM, K2O/Al2O3, or others) from the bottom upwards through the section of each of the formations listed above, therefore we operate with the averages for the formation values of such parameters taking into account the values their standard deviations. Results and conclusions. On the majority of the discriminant diagrams used by us, the figurative data points of the Basa Fm. mudstones occupy a position that to some extent differs from the position of the clayey rocks of other formations. The only lithostratigraphic subdivision in the part of the Upper Precambrian sedimentary sequence of the Bashkirian meganticlinorium under consideration, whose clayey rocks demonstrate a chemically noticeably less mature, compared to the underlying formations, is the Uk Fm. It may be thought that this is the result of the appearance of more fresh (less transformed by weathering) rock complexes at the provenances. The scales of the pre-Bakeevo and pre-Basa breaks, if they existed, were, most likely, noticeably less significant.

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Malov, A. I. "Water–Rock Interaction in Vendian Sandy–Clayey Rocks of the Mezen Syneclise." Lithology and Mineral Resources 39, no. 4 (July 2004): 345–56. http://dx.doi.org/10.1023/b:limi.0000033821.50195.ef.

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Abukova, Leyla A., and Olga P. Abramova. "Prediction of hydrogeochemical effects in clayey cap rocks during underground storage of hydrogen with methane." Georesursy 23, no. 1 (March 30, 2021): 118–26. http://dx.doi.org/10.18599/grs.2021.1.13.

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Theoretical issues of joint underground storage of hydrogen with methane are poorly studied, and practical examples are rare. Therefore, it is extremely important to analyze the mutual influence of hydrogen-methane mixtures and the host geological environment. This article presents material that makes it possible to substantiate the most significant hydrochemical processes that affect the transformation of cap rocks. For this purpose, the results of our own experiments, as well as published data on the study of the influence of hydrochemical conditions on the diffusion loss of hydrogen, its interaction with rock-forming minerals, organic matter, and pore waters were used. A quantitative assessment of the decrease in the moisture saturation of clay-rocks samples and, as a consequence, the loss of the mass content of mineral and organic substances is given. It was found that the cyclic change of thermobaric effects leads to a change in the redox conditions in the system “rock ↔ pore water” and is accompanied by an increase in the reactivity of calcium, magnesium, sulfur, iron. The saturation indices of pore water with carbonate and sulfate calcium salts were calculated under the conditions of their precipitation, dissolution, and removal from solution. The interpretation of the experimental data made it possible to substantiate the most probable transformations in clayey cap rocks, which affect their screening capabilities. It is recommended to take into account, when designing and operating storage facilities for hydrogen-methane mixtures, the variety of accompanying hydrochemical and microbiological processes that affect the change in the filtration properties of cap rocks.

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Дисертації з теми "Clayey rocks"

Zhu, Liping. "Utilisation de la simulation moléculaire pour mieux évaluer la déformation et la rupture des roches riches en argile." Thesis, Université de Lille (2018-2021), 2021. https://pepite-depot.univ-lille.fr/ToutIDP/EDENGSYS/2021/2021LILUN038.pdf.

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La compréhension des caractéristiques mécaniques des matériaux à base d'argile est essentielle en sciences de la terre et dans diverses applications industrielles. L'argile, en tant que composant principal de ces matériaux hétérogènes, joue un rôle important dans le comportement mécanique de ces matériaux. A travers la simulation de la Dynamique Moléculaire (DM), la présente thèse est consacrée à l'étude des comportements mécaniques des minéraux argileux gonflants à l'échelle atomique en mettant l'accent sur les influences de la teneur en eau, du chemin de chargement, de l'anisotropie et de la contrainte moyenne. La thèse est composée de trois parties principales. La première partie se concentre essentiellement sur les propriétés mécaniques de la Na-montmorillonite sèche (MMT) qui est soumise à un chargement triaxial de compression et d'extension avec différentes contraintes moyennes constantes. Une série de simulations de dynamique moléculaire a été réalisée respectivement dans les directions parallèle et perpendiculaire aux couches cristallines. Les effets de la trajectoire de chargement, de la contrainte moyenne et de l'anisotropie sur les propriétés mécaniques de la MMT sèche à l'échelle atomique sont étudiés et analysées en détail.La deuxième partie étudie les influences de la teneur en eau sur les propriétés physiques et mécaniques sous compression triaxiale avec une contrainte moyenne constante. Dans un premier temps, la propriété de gonflement est caractérisée par la relation entre la distance inter-couches et le degré d'hydratation. Puis, la relation contrainte-déformation est obtenue. De plus, la microstructure et la connexion inter couche des systèmes MMT hydratés à une, deux ou trois couches entre l'état initial et l'état de défaillance ont été entièrement analysées. Enfin, les mécanismes essentiels déclenchant leur rupture à l'échelle atomique sont caractérisés et analysés. La troisième partie est consacrée à la description des déformations de fluage de la MMT. Grâce à la simulation MD, les trois phases caractéristiques de fluage ont été clairement identifiées. Les effets du niveau de contrainte appliqué, Tension de dérive, de la température et des orientations du chargement sur les réponses dépendantes du temps de la MMT ont été étudiés
Understanding the mechanical characteristics of clay-based materials is critical in earth sciences and a variety of industrial applications. Clay, as the main component in these heterogeneous materials, plays a significant role in the mechanical behavior of such materials. Through the Molecular Dynamics (MD) simulation, the present thesis is devoted to investigating the mechanical behaviors of swelling clay minerals at atomic scale by putting the emphasis on the influences of water content, loading path, crystal structure anisotropy and mean stress. The thesis is composed of three parts. The first part mainly focuses on the mechanical properties of dry Na-montmorillonite (MMT) which is subjected to triaxial compression and extension loading with different constant mean stresses. A series of Molecular Dynamics (MD) simulations have been carried out respectively in the parallel and perpendicular directions to crystal layers. The effects of loading path, mean stress and anisotropy on mechanical properties of dry MMT at atomic scale are fully studied and discussed. The second part investigates the influences of water content on the physical and mechanical properties under triaxial compression with a constant mean stress. At first, the swelling property is characterized by the relationship between inter-layer distance and the extent of hydration. Secondly, the stress-strain relationships are obtained for different water contents. In addition, the micro-structure and inter-layer connection of the dry, one-, two-, three-layer hydrated MMT systems between initial and failure states have been analyzed in-depth. At last, the key mechanisms triggering their failure at the atomic scale are identified and analyzed. The third part is devoted to describing the creep deformation of MMT. Through the MD simulation, three representative creep stages have been clearly characterized. The effects of applied stress level, deviatoric stress, the temperature and microstructure orientation on the time dependent responses of MMT have been investigated

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Geddes, Jill. "Quantification of swelling clays in mineral mixtures and rocks using infrared spectroscopy." Thesis, Sheffield Hallam University, 2006. http://shura.shu.ac.uk/19682/.

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The use of a chemometric method, partial least squares (PLS) regression and the infrared technique, diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) was developed for the quantification of minerals in synthetic mixtures and sandstone rocks. Particular emphasis was directed towards quantifying swelling clays since the proportion of swelling minerals present in a reservoir rock influence the composition of fluids injected into the rock to enhance oil recovery. In the first study, the capability of PLS with DRIFTS was demonstrated when low quantities of swelling mineral, smectite, were determined in synthetic mixtures with the non-swelling mineral, kaolinite, and an additional mineral, calcite. A substantial improvement in the detection limit of smectite was found using this method since lower quantities could be determined (with a maximum error of 3.8 wt%) than had been determined by previous workers using a peak fitting technique. An initial investigation of seven different types of sandstone rocks was carried out by visual inspection of XRD traces of powder and rock samples. In this work mineralogical heterogeneity was found along the length of the different sandstone cores investigated. Ideally a representative sample would be one collected from a of ball milled sample of a large portion of a core. The main programme of research was the development of a PLS model consisting of eleven mineral components, to resemble the composition of a real sandstone. This PLS model was used for the quantification of components in synthetic mineral mixtures using their DRIFTS spectra. The maximum error for predicting all the components was +/-2.8 wt%. This was in the same order as errors reported by other workers for quantification of minerals using XRD.The same PLS model was used to quantify components in seven different types of sandstone and the results have been compared with studies by independent investigators using different techniques. The PLS model predicted components in the sandstones which contained relatively high concentrations of feldspars and clays, accurately, with all components predicted within +/-2.8 wt%. PLS model was optimized in order to obtain more accurate quantification of components in the sandstones, in particular for the "cleaner" sandstones, i.e. those which contained low concentrations of feldspars and clays. Some improvement in accuracy was found. The PLS model developed in this thesis, however, was most accurate for prediction of components in sandstones which contained higher concentrations of feldspars and clays.

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Andrea, Martijn. "The anisotropic elastic properties of clay-rich rocks." Thesis, Imperial College London, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243413.

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Kemaloglu, Sarp. "Numerical Analysis Of Settlement, And Stress Concentration Ratio In Clayey Soils Reinforced By Floating Single Aggregate Piers." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/12605190/index.pdf.

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This study discusses the results of numerical modeling aspect of aggregate pier foundations (aggregate piers) in soft, compressible soils. FLAC 2D (Fast Lagrangian Analysis of Continua), a finite difference code is utilized in the analyses. Use of axisymmetry enabled to visualize a three dimensional model throughout this research. The primary objective of this research is to make comparisons for stress concentration ratio &lsquo
n&rsquo
, and settlement reduction ratio b for given variables consisting of length, diameter, elastic modulus of the aggregate piers, and foundation pressures. Analyses have been carried out with 1, 1.5, 2, and 3 m long piers with diameters of 60 cm, and 80 cm, placed under a circular footing in 1.30 m diameter. Two values for elastic modulus of the piers have been used to reflect the effect of pier stiffness on settlement behavior. Analysis and design methodology have been carried out in three stages. The first stage consists of modeling the matrix soil with an elastic constitutive model and exerting foundation pressures to first check the accuracy of the mesh by comparing the effective vertical stress and settlement values by analytical methods. Once satisfactory results are achieved, modeling of a rigid foundation is carried out. Consequently, aggregate piers are modeled and loaded. For foundation pressures, a range of values consisting of 25, 50, 75, and 100 kPa have been chosen to see the behavior of piers under variable foundation pressures. There are solid outcomes of this study. It concludes by stating that the settlement behavior of piers having L/d ratios greater than 3.75, are alike. Thus, there is almost no additional settlement improvement achieved with piers longer than 3 m with 60 cm pier diameter.

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Acaba, Joseph Michael. "Primary Sediment Production from Granitic Rocks in Southeastern Arizona." Thesis, The University of Arizona, 1992. http://hdl.handle.net/10150/231212.

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Isolated granitic rock bodies (granites, granodiorites, quartz monzonites) in the vicinity of Benson in southeastern Arizona were studied to trace the behavior of rock weathering. Thin sections of fresh granites were examined to characterize the original mineralogy which consisted mainly of quartz, feldspars, and micas. The weathering products show up on the granites as grus and soil profiles as well as down slope in the basin deposits. X -ray diffraction studies of the < 2 micrometers fraction of the weathering products proved illite, smectite, illite-smectite mixed layer, and kaolinite to be the dominant clays; quartz and feldspar also persisted into this size fraction. Silt sized material produced similar results. The quartz monzonite of Texas Canyon afforded a special study of the initial weathering stages of feldspars and micas. In the < 2 micrometers fraction obtained from granitic material placed in an ultra sonic bath, the feldspars weathered to a Na-montmorillinite while biotite weathered to vermiculite.

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Sharma, Alok. "Molecular Dynamics simulation of rock and clay minerals to estimate their mechanical properties." Thesis, Virginia Tech, 2006. http://hdl.handle.net/10919/40928.

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Macroscopic analyses of rocks have produced acceptable results for many problems. These problems are simple, involving normal conditions. But a need is arising to study these rocks under extreme conditions, like high temperatures, projectile penetration and extreme pressures. Behavior of rocks under these conditions cannot be predicted using common macroscopic analyses at normal conditions. Nanostructure of the rock governs the behavior of rock under such situations. Hence, there is a need to study these materials using micro molecular mechanics. There is also a theory that failure in a rock mass is governed by the formation and propagation of microscopic cracks. The development of these can be observed and studied using the nanoscale analyses. A new science is emerging which deals with manipulating the nanostructure of materials. It may be possible in near future to improve the properties of materials into more desirable ones, by changing their nanofabric. These prospects make the nanoscopic analyses of rocks very intriguing. This research aims at developing methods to analyze rocks, clays and other geotechnical materials to study their nanolevel properties. Molecular Dynamics simulation is the most commonly used method in molecular mechanics. A software program TINKER was used for developing the simulation. Using this, MD simulation was performed on a (14,1) carbon nanotube for validation purposes. Later on simulations were performed on rock minerals such as quartz, albite and calcite and clays such as kaolinite and palygorskite. The simulated results are compared with published data on mechanical properties of rock and clay minerals.
Master of Science

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Bagheri, Meghdad. "Experimental investigation of the time- and rate-dependent behaviour of unsaturated clays." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/55534/.

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With the aim to achieve a better understanding of the time- and rate-dependent behaviour of unsaturated clays, particularly stiff natural clays, a critical review of the literature and a program of laboratory testing were carried out as part of this research. With emphasis on examining the effect of suction on viscous response, mainly primary and secondary consolidation (creep), stress-relaxation, and rate-dependency, a series of conventional multi-stage loading (MSL) oedometer tests, long-term single-stage loading (SSL) oedometer tests, and advanced constant-rate-of-strain (CRS) oedometer tests were carried out on natural and corresponding reconstituted specimens of a stiff clay namely, London Clay, retrieved from a site in the Isle of Sheppey, UK. The results obtained provide a significant contribution to the existing database and address important knowledge gaps highlighted from the literature review. The experimental studies performed included; a) An investigation of the effect of water reservoir surface roughness on the cavitation mechanism and performance of a newly designed high-capacity tensiometer (HCT), with regard maximum sustainable suction (smax) and maximum duration of measurements (tmax). b) An examination of the influence of soil suction on the primary and secondary consolidation of natural and reconstituted London Clay from a set of MSL and SSL oedometer tests. c) Characterisation of the stress-relaxation behaviour of the reconstituted London Clay subjected to suction and strain-rate variations from a set of CRS oedometer tests in an in-house designed suction-monitored cell. d) An examination of the coupled effects of suction and strain-rate on one-dimensional (1D) stress-strain response of reconstituted London Clay. Based on the experimental findings, the validity of the empirical relationships proposed in the literature for correlating time- and rate-dependency coefficients was examined and necessary modifications were proposed. The main experimental findings can be outlined as: - The mechanism of cavitation in tensiometers is indeed influenced by the surface roughness of the water reservoir. The new approach for expanding the range and duration of suction measurements for a newly designed HCT, based on hydrophilic coating of the reservoir walls, sounds promising. - The compression index (Cc) and creep index (Cαe) and the ratio α = Cαe/Cc for Sheppey London Clay are stress- and suction-dependent. The hypothesis of constant α for natural clays, as suggested by Mesri et al. (1994), is therefore rejected. - The volumetric creep deformations of unsaturated stiff clays appear to be relatively simply modelled by a creep law based on a power function. - A coupled effect of suction and strain-rate on 1D compression response was identified. At a constant suction, the higher the strain-rate, the higher the apparent preconsolidation pressure (σ'p). Similarly, at a constant strain-rate, the higher the suction, the higher the σ'p. - The values of relaxation coefficient (Rα) differ in saturated and unsaturated states. However, a clear relationship between Rα and suction was not found. The Rα = Cαe/Cc relationship, suggested by Yin et al. (2014) for saturated soft clays, appears, with an approximation, to be valid for the unsaturated stiff London Clay in the range of applied vertical stresses and soil suctions in this study. - The process of stress-relaxation in unsaturated clays is highly influenced by factors such as soil suction, pre-relaxation strain, stress, and strain-rate.

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Hart, Megan Leanore. "Membrane properties of intact rock cores of Burlington Limestone, Jefferson Dolomite, Darrington Phyllite, and low permeability concrete." Diss., Rolla, Mo. : Missouri University of Science and Technology, 2009. http://scholarsmine.mst.edu/thesis/pdf/Hart_09007dcc80699aec.pdf.

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Thesis (Ph. D.)--Missouri University of Science and Technology, 2009.
Vita. The entire thesis text is included in file. Title from title screen of thesis/dissertation PDF file (viewed August 21, 2009) Includes bibliographical references.

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Jones, Marilyn Gail 1963. "Clay mineralogy and petrology of the Lower Cretaceous fine-grained clastic rocks, southeastern Arizona." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/558100.

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Kishimoto, Angelica Mariko Naka. "Hydraulic Performance and Chemical Compatibility of Mineral Barriers to Mitigate Natural Contamination from Excavated Rocks." 京都大学 (Kyoto University), 2014. http://hdl.handle.net/2433/188879.

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Книги з теми "Clayey rocks"

Franus, Wojciech. Studium geologiczno-mineralogiczne skał ilastych formacji pstrych łupków jednostki skolskiej. Kraków: Wydawn. Oddziału Polskiej Akademii Nauk, 2002.

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Kotelʹnikov, D. D. Glinistye mineraly osadochnykh porod. Moskva: "Nedra", 1986.

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A, Sherstov V., ред. Ėksperimentalʹnye issledovanii︠a︡ vlii︠a︡nii︠a︡ t︠s︡iklov zamorazhivanii︠a︡-ottaivanii︠a︡ na fiziko-mekhanicheskie svoĭstva gornykh porod. I︠A︡kutsk: I︠A︡F GU "Izd-vo SO RAN", 2004.

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Sweet, Palmer C. Clay-material samples collected 1981-1984. Charlottesville, Va: Commonwealth of Virginia, Dept. of Mines, Minerals, and Energy, Division of Mineral Resources, 1986.

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Deconinck, Jean-François. Argiles, sédimentologie, diagenèse, environnement: Réunion spécialisée, Association des sédimentologistes français, Société géologique de France : à Lille, le 20 et 21 novembre 1998. Paris: ASF, 1998.

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F, Khramt͡s︡ov V., Shekhovt͡s︡ov V. S, and Chernov Oleg Ignatʹevich, eds. Predotvrashchenie proryvov glinistykh porod pri razrabotke rudnykh mestorozhdeniĭ. Novosibirsk: Akademii͡a︡ nauk SSSR, Sibirskoe otd-nie, In-t gornogo dela, 1989.

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Jaroslav, Malina. Kámen a hlína jako ekofakt a artefakt ve vývoji životního prostředí. Brno: Masarykova Univerzita v Brně, Přirodovědecká fakulta, 1991.

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Velde, B. The origin of clay minerals in soils and weathered rocks. Berlin: Springer, 2008.

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Velde, B. The origin of clay minerals in soils and weathered rocks. Berlin: Springer, 2008.

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Alain, Meunier, ed. The origin of clay minerals in soils and weathered rocks. Berlin: Springer, 2008.

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Частини книг з теми "Clayey rocks"

Sivapullaiah, P. V., and A. Sridharan. "Effect of polluted water on the physico-chemical properties of clayey soils." In Environmental Geotechnics and Problematic Soils and Rocks, 179–90. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003211051-18.

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PINYOL, N. P., J. VAUNAT, and E. E. ALONSO. "A constitutive model for soft clayey rocks that includes weathering effects." In Stiff Sedimentary Clays, 193–207. London: Thomas Telford Ltd, 2011. http://dx.doi.org/10.1680/ssc.41080.0018.

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Pardoen, Benoît, Jean Talandier, Robert Charlier, Frédéric Collin, and Jean-Pol Radu. "Hydro and Hydro-Mechanical Modelling of Ventilation Test in Clayey Rocks." In Unsaturated Soils: Research and Applications, 325–32. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-31343-1_41.

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Shen, Wanqing, Jianfu Shao, and Djimédo Kondo. "A Simplified Model for Clayey Rocks Having a Plastic Porous Matrix." In Springer Series in Geomechanics and Geoengineering, 283–87. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-32814-5_37.

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Vieira, Carlos Maurício Fontes, Mariane Costalonga de Aguiar, and Sergio Neves Monteiro. "Recycling of Ornamental Rock Waste into Clayey Ceramics." In EPD Congress 2011, 1069–74. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118495285.ch119.

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Pitsch, H., S. Motellier, P. L’Hénoret, and C. Boursat. "Characterization of deep underground fluids – Part I: pH determination in a clayey formation." In Water-Rock Interaction, 467–70. London: Routledge, 2021. http://dx.doi.org/10.1201/9780203734049-116.

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Velde, Bruce, and Alain Meunier. "Clay Mineral Formation in Weathered Rocks: Water/Rock Interaction." In The Origin of Clay Minerals in Soils and Weathered Rocks, 143–239. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-75634-7_4.

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Mackiewicz, Scott M., Bruce H. Kjartanson, and John M. Pitt. "Gasoline Transport and Air Venting Removal in a Fractured Clayey Till: A Laboratory Study." In Remediation in Rock Masses, 124–36. Reston, VA: American Society of Civil Engineers, 2000. http://dx.doi.org/10.1061/9780784400159.ch10.

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Clauer, Norbert, and Sambhu Chaudhuri. "Isotope Geochemistry of Clays and Clay Minerals from Sedimentary Rocks." In Clays in Crustal Environments, 180–262. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79085-0_4.

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Clauer, Norbert, and Sambhu Chaudhuri. "Isotope Geochemistry of Mica-Type Minerals from Low-Temperature Metamorphic Rocks." In Clays in Crustal Environments, 263–303. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79085-0_5.

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Тези доповідей конференцій з теми "Clayey rocks"

Kuznetsova, A. M., and V. G. Mamyashev. "Features of Specific Resistivity in Sandy – Clayey Rocks." In Tyumen 2019. European Association of Geoscientists & Engineers, 2019. http://dx.doi.org/10.3997/2214-4609.201900616.

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Maslov, B. P. "Stress concentration near bore-hold in clayey viscoelastic rocks." In 15th EAGE International Conference on Geoinformatics - Theoretical and Applied Aspects. Netherlands: EAGE Publications BV, 2016. http://dx.doi.org/10.3997/2214-4609.201600552.

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Pineda, J. A., E. Romero, D. Tarragò, E. Tauler, and E. E. Alonso. "Microstructural Evaluation of the Water Sensitivity of Clayey Rocks." In Fifth Biot Conference on Poromechanics. Reston, VA: American Society of Civil Engineers, 2013. http://dx.doi.org/10.1061/9780784412992.173.

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Mahmoud, Ahmed Abdulhamid, and Hasan S. Al-Hashim. "Clayey Sandstone Rocks Integrity after Flooding with High pH Chelating Agent EOR Solutions." In SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition. Society of Petroleum Engineers, 2017. http://dx.doi.org/10.2118/188134-ms.

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S. Daev, D., and A. D. Talalov. "Experimental and theoretical study of dielectric dispersion in 'clean' and clayey moist rocks." In 58th EAEG Meeting. Netherlands: EAGE Publications BV, 1996. http://dx.doi.org/10.3997/2214-4609.201408839.

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Panthi, Krishna, and Kishore K. Mohanty. "Chemical Flood with a Single Surfactant." In SPE Improved Oil Recovery Conference. SPE, 2022. http://dx.doi.org/10.2118/209385-ms.

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Abstract The goal of this work is to develop alkaline-surfactant-polymer (ASP) formulations for a shallow, clayey sandstone reservoir. Commercially available surfactants were used in the phase behavior study. The gas-oil-ratio (GOR) was low; the phase behavior and coreflood study was conducted with the dead oil. The surfactant formulation systems were tested in tertiary ASP core floods in reservoir rocks. Many surfactant formulations were identified which gave ultralow IFT, but the formulation with only one surfactant (at 0.5 wt% concentration) in presence of one co-solvent was selected for corefloods. The cumulative oil recovery was in the range of 94-96% original oil in place (OOIP) in the corefloods. The surfactant retention was low (0.15 mg/gm of rock) in spite of the high clay content. The study showed that 0.5 PV of ASP slug and 2700 ppm of the polymer were required to make the flood effective. The use of alkali and preflush of the soft brine helped minimize surfactant retention.

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Sokolov, Denis, Mikhail Delengov, Regina Sabirianova, Konstantin Musikhin, and Oleg Bogdanov. "Triassic Hydrocarbon System of the Middle-Caspian Oil and Gas Basin." In SPE Russian Petroleum Technology Conference. SPE, 2021. http://dx.doi.org/10.2118/206597-ms.

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Abstract The objective of this paper is to assess the generation potential of the Triassic hydrocarbon (HC) source rocks for the petroleum potential of the Middle-Caspian Oil and Gas Basin. Tectonically the study area belongs to the Epigercine Scythian-Turanian plate, which includes the following major tectonic elements: the Karpinsk-Mangyshlak ridge and the Prikum-Central Caspian system of troughs and uplifts. Comprehensive research approach to identify the main features of the Triassic hydrocarbon system, such as the interpretation of seismic data, laboratory geochemical analysis and evolution restoration of the hydrocarbon systems elements by 3D basin modeling techniques. The geochemical research includes pyrolytic analysis of potential Triassic source rocks, determination of the vitrinite reflectance values, chromatography-Mass Spectrometry studies of molecular structure. The subsequent basin modeling made it possible to integrate a wide range of geological and geophysical information into a single complex. These basin modeling results provide a better understanding of evolution restoration of the hydrocarbon systems elements and make it possible to foresee hydrocarbon accumulation's localization. The combined set of research helped to identify the boundaries of the Triassic HC source rocks in the Middle-Caspian Basin. It also allowed characterizing in detail their geochemical parameters and evaluating the volume of its generation potential. Triassic deposits are part of the taphrogenic intermediate complex of the Scythian platform and mainly located in graben structures. The increased content of organic matter is associated with the Lower Triassic Neftekum Formation of the Olenek Stage, which is composed of clayey limestones and mudstones. The content of total organic carbon (TOC) in limestones in the Eastern Fore-Caucasus area averages 0.1 % in some layers up to 2.05 %. The average TOC content in mudstones is 0.43 %. This parameter is up to 0.9 % in the direction of the East-Manych trough. Triassic deposits were penetrated by 5 wells, the average content of organic carbon was 1.22% in mudstones. The samples show a migrant presence of bitumen. According to 3D basin modeling results, the Olenek HC source rock has practically exhausted its potential in on most of the except the southern part of the study area, as well as the eastern flank. The Olenek stage's Neftekum HC source rock in the southern part of the model is identified with MK1-3 catagenesis gradations, this grade represents the main zone of oil generation. At the northern part of study area, those strata of source rock are positioned at a great depth. The hydrocarbon source rock in those areas have reached the grades of catagenesis MK5-AK1, which represents the zones of condensate and gas formation. The research results allow to take a new look at the influence of the Triassic hydrocarbon system and its prospects of petroleum potential of the Middle-Caspian Oil and Gas Basin. It also allows evaluating the generation parameters variance of the Olenek stage's Neftekum HC source rock regarding its area and time period.

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M. S. Elgendy, Ahmed, Simone Ricci, Elena I. Cojocariu, and Claudio Geloni. "A Streamlined Workflow From Experimental Analyses to Dynamic Geochemical Modelling." In SPE Europec featured at 82nd EAGE Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/205128-ms.

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Abstract Dynamic-geochemical model is a powerful instrument to evaluate the geochemical effects on CO2storage capacity, injectivity and long-term containment. The study objective is to apply an integrated multi-step workflow to a carbon capture and storage (CCS) candidate field (offshore), namely hereinafter H field. From experimental analyses, a comprehensive real data-tailored reactive transport model (RTM) has been built to capture the dynamics and the geochemical phenomena (e.g., water vaporization, CO2solubility, mineral alteration) occurring during and after the CO2injection in sedimentary formations. The proposed integrated workflow couples lab activities and numerical simulations and it is developed according to the following steps: Mineralogical-chemical characterization (XRD, XRF and SEM-EDX experimental techniques) of field core samples; Data elaboration and integration to define the conceptual geochemical model; Synthetic brine reconstruction by means of 0D geochemical models; Numerical geochemical modelling at different complexity levels. Field rocks chosen for CO2injection have been experimentally characterized, showing a high content of Fe in clayey, micaceous and carbonate mineralogical phases. New-defined, site-specific minerals have been characterized, starting from real XRD, XRF and SEM-EDX data and by calculation of their thermochemical parameters with a proprietary procedure. They are used to reconstruct synthetic formation water chemical composition (at equilibrium with both rock mineralogy and gas phase), subsequently used in RTM. CO2injection is simulated using 2D radial reactive transport model(s) built in a commercial compositional reservoir simulator. The simulations follow a step-increase in the complexity of the model by adding CO2solubility, water vaporization and geochemical reactions. Geochemical processes impact on CO2storage capacity and injectivity is quantitatively analyzed. The results show that neglecting the CO2solubility in formation water may underestimate the max CO2storage capacity in H field by around 1%, maintaining the same pressure build-up profile. Sensitivities on the impact of formation water salinity on the CO2solubility are presented. In a one thousand years’ time-scale, changes in reservoir porosity due to mineral alteration, triggered by CO2-brine-rock interactions, seem to be minimal in the near wellbore and far field. However, it has been seen that water vaporization with the associated halite precipitation inclusion in the simulation models is recommended, especially at high-level of formation brine salinity, for a reliable evaluation of CO2injectivity related risks. The proposed workflow provides a new perspective in geochemical application for CCS studies, which relies on novel labs techniques (analyses automation), data digitalization, unification and integration with a direct connection to the numerical models. The presented procedure can be followed to assess the geochemical short-and long-term risks in carbon storage projects.

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Wysocki, Sławomir, Rafał Wiśniowski, and Magdalena Gaczoł. "New Drilling Muds for Drilling in Clay Rocks." In ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/omae2017-61476.

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The paper describes studies on the development of the new formulas of water-based drilling mud for drilling in clays and shales. The research were undertaken as a part of the OPTIDRILTEC project. First stage of the project included studies related to selection of ionic inhibitors of hydration. The tests of inorganic agents with various concentrations influence on technological parameters of the developed drilling muds was undertaken. The disintegration and linear swelling tests under influence of developed muds with different ionic inhibitors were conducted on the rock samples. Miocene shale was used as the model rocks. Within a framework of the project, it was conducted selection of the polymeric inhibitors of hydration. Subsequently, different polymers were tested for the influence on technological parameters of drilling muds as well as on disintegration and linear swelling of model rocks. Studies also consists of synthesis of short-chained cationic polymers (with primary amine groups in the side chains) and cationic-anionic polymers (with, apart amine groups, sulfonic amine groups). Synthesized polymers are characterized by low molecular masses (about 10.000 – 20.000 atomic mass unit) and small steric hindrance of side chains. The studies allowed development of new water-based mud formulas for drilling in clay rocks. Developed drilling muds are characterized by good technological parameters, resistance to temperature and to salts along with effective preservation against disintegration and swelling of clay rocks. Moreover, based on the research results it can be observed that synthesized cationic polymers are efficient inhibitors of clay rocks hydration. Newly developed drilling muds could be successfully applied in the oil and gas industry causing improved drilling conditions and decreased drilling costs.

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Tariq, Zeeshan, Mobeen Murtaza, Muhammad Shahzad Kamal, Syed Muhammad Shakil Hussain, Mohamed Mahmoud, and Murtada Al-Jawad. "Clay Swelling Mitigation During Fracturing Operations Using Novel Magnetic Surfactants." In International Petroleum Technology Conference. IPTC, 2022. http://dx.doi.org/10.2523/iptc-22199-ms.

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Abstract In unconventional tight sandstone formations, due to the presence of clays, the fracturing operations may not be effective because of the clay swelling. The fracturing stimulation is the most used treatment method to produce from such kinds of reservoirs. The swelling of clays caused additional pressure to drop. Prior knowledge about the clay swelling behavior of the rocks with the fracturing fluid can reduce the risk associated with productivity issues. If swelling occurs at the rock's surface, it adversely affects the conductivity of the fractures. This study proposed novel synthesized magnetic surfactants as a solution for the swelling of clay in hydraulic fracturing treatment. Several coreflooding tests were run using sandstone cores containing a significant proportion of the swelling clays. The permeability was assessed earlier and afterward the coreflooding tests. A scanning electron microscope (SEM) was run before and after the coreflooding experiments. The performances of magnetic surfactants were matched with the well-known clay stabilizing agents including NaCl and KCl. Permeability measurement after coreflooding experiments revealed 90% permeability lost for the samples mixed with conventional clay stabilizer when post-treated with Deionized Water. On the other hand, the fracturing fluid containing magnetic surfactant solutions as clay swelling stabilizers reserved the initial permeability even post-flooded with DW. It was observed that the conventional clay stabilizers do not provide long-term stabilization of the swelling, while magnetic surfactants retain the permeability for long hours even being interacting with fresh water. Magnetic surfactants have not been used as swelling inhibitors in fracturing fluids. This is the first study that reports the use of magnetic surfactant in clay swelling inhibition.

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Звіти організацій з теми "Clayey rocks"

Jove-Colon, Carlos F., Clay Payne, Andrew William Knight, Tuan Anh Ho, Jonny Rutqvist, Kunwi kim, Hao Xu, et al. Evaluation of Used Fuel Disposition in Clay-Bearing Rock. Office of Scientific and Technical Information (OSTI), October 2018. http://dx.doi.org/10.2172/1481545.

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Jove-Colon, Carlos F., Glenn Edward Hammond, Kristopher L. Kuhlman, Liange Zheng, Kunhwi Kim, Hao Xu, Jonny Rutqvist, et al. Evaluation of used fuel disposition in clay-bearing rock. Office of Scientific and Technical Information (OSTI), September 2016. http://dx.doi.org/10.2172/1431190.

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Jove-Colon, Carlos F., Glenn Edward Hammond, Kristopher L. Kuhlman, Liange Zheng, Kunhwi Kim, Hao Xu, Jonny Rutqvist, et al. Evaluation of used fuel disposition in clay-bearing rock. Office of Scientific and Technical Information (OSTI), September 2016. http://dx.doi.org/10.2172/1341730.

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Jove-Colon, Carlos F., Philippe F. Weck, Glenn Edward Hammond, Kristopher L. Kuhlman, Liange Zheng, Jonny Rutqvist, Kunhwi Kim, et al. Evaluation of Used Fuel Disposition in Clay-Bearing Rock. Office of Scientific and Technical Information (OSTI), September 2015. http://dx.doi.org/10.2172/1346988.

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Jové Colón, Carlos F., Philippe F. Weck, David H. Sassani, Liange Zheng, Jonny Rutqvist, Carl I. Steefel, Kunhwi Kim, et al. Evaluation of Used Fuel Disposition in Clay-Bearing Rock. Office of Scientific and Technical Information (OSTI), August 2014. http://dx.doi.org/10.2172/1164611.

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Jove-Colon, Carlos, Yifeng Wang, Teklu Hadgu, Liange Zheng, Jonny Rutqvist, Hao Xu, Kunhwi Kim, et al. Evaluation of Used Fuel Disposition in Clay-Bearing Rock. Office of Scientific and Technical Information (OSTI), September 2017. http://dx.doi.org/10.2172/1761958.

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Rutqvist, Jonny, Jahan Noorishad, and Chin-Fu Tsang. Coupled thermohydromechanical analysis of a heater test in unsaturated clay and fractured rock at Kamaishi Mine. Office of Scientific and Technical Information (OSTI), August 1999. http://dx.doi.org/10.2172/760335.

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Jove-Colon, Carlos, Tuan Ho, Eric Coker, Philippe Weck, Teklu Hadgu, Elena Kalinina, Carlos Lopez, et al. Evaluation of Nuclear Spent Fuel Disposal in Clay-Bearing Rock - Process Model Development and Experimental Studies. Office of Scientific and Technical Information (OSTI), December 2020. http://dx.doi.org/10.2172/1745088.

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Liu, H. H., L. Li, L. Zheng, J. E. Houseworth, and J. Rutqvist. Investigations of Near-Field Thermal-Hydrologic-Mechanical-Chemical Models for Radioactive Waste Disposal in Clay/Shale Rock. Office of Scientific and Technical Information (OSTI), June 2011. http://dx.doi.org/10.2172/1050698.

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Jove-Colon, Carlos, Tuan HO, Eric Coker, Carlos Lopez, Kristopher Kuhlman, Amanda Sanchez, Melissa Mills, et al. Evaluation of Nuclear Spent Fuel Disposal in Clay-Bearing Rock - Process Model Development and Experimental Studies (M2SF-21SN010301072). Office of Scientific and Technical Information (OSTI), October 2021. http://dx.doi.org/10.2172/1829780.

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