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Letteratura scientifica selezionata sul tema "Imbibition"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 31 agosto 2024

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Articoli di riviste sul tema "Imbibition"

Yadav, Saroj R., e Manoj N. Mehta. "Analytical Approximate Expression for Cocurrent Imbibition during Immiscible Two-Phase Flow through Porous Media". Mathematical Problems in Engineering 2014 (2014): 1–6. http://dx.doi.org/10.1155/2014/638409.

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Cocurrent and countercurrent imbibitions are the crucial mechanism in many multiphase flow processes. In cocurrent imbibition wetting phase displaces nonwetting phase such that the nonwetting phase moves in the same direction to the wetting phase, whereas in countercurrent imbibitions wetting and non-wetting phase flow in opposite directions. However for cocurrent imbibitions, mathematical models need total flux condition as both phases flow in the same direction. Thus cocurrent imbibitions have been considered neglecting pressure gradient of nonwetting phase and only pressure gradient of displacing phase is considered which gives additional velocity to the displacing phase. An approximate analytical solution is derived by the method of small parameter; an approximate expression for the wetting phase saturation has been obtained. From analytical expression graphical presentation of saturation of wetting phase shows that cocurrent imbibition is faster than countercurrent imbibition. Also, the small parameter is chosen from initial wetting phase saturation and wetting phase saturation at imbibition phase, thus giving comparative behavior of imbibition at initial and later stage. It is shown that cocurrent imbibition proceeds faster with more amount of wetting phase present in porous matrix.

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Bochicchio, A., M. A. Coradeschi, P. Zienna, M. Bertolini e C. Vazzana. "Imbibitional injury in maize seed independent of chilling temperature". Seed Science Research 1, n. 2 (giugno 1991): 85–90. http://dx.doi.org/10.1017/s0960258500000702.

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AbstractLow and high moisture kernels and embryos were imbibed by soaking in distilled water at 5°C and 25°C. Leaching of seeds and embryos was measured by ion conductivity of imbibition water after fixed time intervals. Imbibed kernels were placed on moist filter paper after 1 h imbibition and embryos on a solid culture medium after 15 min imbibition and germinated at 25°C. Primary root length was measured 3 days after germination.The leakage from seeds or embryos was correlated with the velocity of water uptake but did not show its highest values when low moisture seeds or embryos were imbibed at chilling temperature. Furthermore germination was apparently not affected by imbibitional chilling of either low moisture content seeds or embryos. In one of the three genotypes tested (B73) seedlings from low moisture content seeds imbibed at 5°C showed a reduction of the primary root growth. However, this reduction was also seen in seedlings from low moisture B73 seeds imbided at 25°C and resulting in higher level of leaching. Thus, injury by imbibition of low moisture seeds appears independent of chilling temperature and not due to loss of semipermeability of membrane lipids. Our results suggest that, in the case of embryos, water inrush into the cells reaches levels injurious for membrane integrity independently of the two moisture contents and temperature considered.

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Spaeth, Stephen C. "Imbibitional Stress and Transverse Cracking of Bean, Pea, and Chickpea Cotyledons". HortScience 21, n. 1 (febbraio 1986): 110–11. http://dx.doi.org/10.21273/hortsci.21.1.110.

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Abstract Transverse cracking was examined in cotyledon tissue of snap bean (Phaseolus vulgaris L. ‘Apollo’), pea (Pisum sativum L. ‘Garfield 81’), and chickpea (Cicer arietinum L. ‘Surutato 77’). The hypothesis that imbibitional cracks develop along lines of least resistance or along preexisting cracks was evaluated. Columns of tissue were cut from cotyledons. Time from the start of imbibition to detection of the first crack was compared between whole bean cotyledons and columns. Bean columns cracked transversely with respect to the long axes of the columns. They did not crack longitudinally, even if the long axis of a column was originally perpendicular to the long axis of the cotyledon. These results do not support the hypothesis that imbibitional cracks form along preexisting cracks or along lines of weakness. Imbibitional stresses induced new cracks to form. The mean time to first crack and SE associated with its measurement were both significantly reduced in columns relative to the corresponding values for whole cotyledons (40 ± 2.6 and 100 ± 8.0 min, respectively) at an imbibition temperature of 19.3°C. Pea and chickpea cotyledon tissues also cracked transversely when they were cut into long, narrow columns.

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Fang, Sidong, Jing Sun, DeHua Liu, Zhiyuan Yao e Bin Nie. "Experimental Study on Spontaneous Imbibition Characteristics of Fracturing Fluid at Cores from Different Layers in Fuling Shale Gas Reservoir". Geofluids 2021 (14 settembre 2021): 1–12. http://dx.doi.org/10.1155/2021/1157626.

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With low porosity and low permeability, shale reservoirs cannot be mined economically without large-scale hydraulic fracturing operation. However, abundant fracturing fluid will enter the reservoirs during the process of fracture. Nevertheless, there have not been specific research findings on the imbibition law of Fuling shale gas reservoir in China. In this study, an imbibition experiment was carried out on the shale core of Jiaoshiba block of Fuling shale gas reservoir to learn spontaneous imbibition characteristic of Fuling shale gas reservoir. Based on the experimental results, the imbibition process of Fuling shale gas reservoir fracturing fluid is divided into two stages. During the first stage, i.e., the former 30 hours, imbibition velocity is high, with the cumulative imbibition occupying more than 70% of the total imbibition; during the second stage, i.e., the latter 30 hours, the imbibition velocity substantially drops towards balance. There is a typical power function relationship between the average imbibition velocity and imbibition time, and this function relationship runs throughout the whole imbibition process. Nonetheless, the imbibition process of shale core cannot be described directly by the Handy equation. The imbibition velocity is closely related to clay mineral content and pore structure characteristics of shale core. The higher the clay mineral content, the higher the imbibition velocity. According to the relationship between the average imbibition velocity and imbibition time, we derived the estimation equation of fracture area formed by fractured shale gas well to estimate the fracture scale formed by shale gas well fracturing.

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LI, CAOXIONG, YINGHAO Shen, HONGKUI GE, SHUAI SU e ZHIHUI YANG. "ANALYSIS OF SPONTANEOUS IMBIBITION IN FRACTAL TREE-LIKE NETWORK SYSTEM". Fractals 24, n. 03 (30 agosto 2016): 1650035. http://dx.doi.org/10.1142/s0218348x16500353.

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Spontaneous imbibition in porous media is common in nature, imbibition potential is very important for understanding the imbibition ability, or the ability to keep high imbibition rate for a long time. Structure parameters have influence on imbibition potential. This work investigates the process of spontaneous imbibition of liquid into a fractal tree-like network, taking fractal structure parameters into consideration. The analytical expression for dimensionless imbibition rate with this fractal tree-like network is derived. The influence of structure parameters on imbibition potential is discussed. It is found that optimal diameter ratio [Formula: see text] is important for networks to have imbibition potential. Moreover, with liquid imbibed in more sub-branches, some structures of parameter combinations will show the characteristic of imbibition potential gradually. Finally, a parameter plane is made to visualize the percentage of good parameter in all possible combinations and to evaluate the imbibition potential of a specific network system more directly. It is also helpful to design and to optimize a fractal network with good imbibition potential.

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Zhou, Changlin, Li Li, Rong Zeng, Weihua Chen e Yuxuan Liu. "Spontaneous imbibition in igneous rocks: effect of KCl concentration, confining pressure, and imbibition direction". Journal of Petroleum Exploration and Production Technology 10, n. 8 (4 settembre 2020): 3227–34. http://dx.doi.org/10.1007/s13202-020-00997-z.

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Abstract Understanding spontaneous imbibition helps to determine the fracturing fluid volume and optimize the flowback design. At present, many studies have mainly focused on shale, but few on igneous rocks. As such, in this study, imbibition experiments were conducted on igneous rocks. The effects of KCl concentration, confining pressure, and imbibition direction on the spontaneous imbibition were systematically investigated. This study then introduces a new imbibition capacity index. The results show that KCl concentration has certain inhibitory effects on igneous rock imbibition, which reduce the absorption of clay minerals to liquid. Different imbibition directions result in distinct imbibition volumes. The co-current imbibition process is similar to fluid leak-off, but this rule is not satisfied in countercurrent imbibition, the n of which is fitted as 0.1.0.3. Increasing the confining pressure will slightly decrease the imbibition capacity of igneous rock. Rock imbibition causes a decrease in the surface hardness and physical properties of igneous rock, and increasing the KCl concentration in the fluid will effectively hinder clay swelling.

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Liu, Xiong, Xin Fan, Jian Yin e Yang Zhang. "Imbibition Characteristic of Fractured Tight Sandstone Reservoir". Processes 10, n. 11 (25 ottobre 2022): 2189. http://dx.doi.org/10.3390/pr10112189.

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“Fracture network stimulation + imbibition replacement” is a new attempt to effectively develop tight sandstone reservoirs, and the fractures provide conditions for fluid imbibition replacement. On the basis of nuclear magnetic resonance and pseudo-color processing technology, combined with the imbibition experiments, this paper studies the imbibition process of fractured tight sandstone reservoirs, clarifies the effect of each level of pore-throat on imbibition, and realizes the visualization of the imbibition process. The results show that, in fractured tight sandstone reservoirs, the fluid displacement occurs in fractures first, followed by pore-throat. Most of the imbibition recovery is contributed by the macropore, the contribution of the mesopore to imbibition recovery is very weak, and the contributions of the micropore and the pinhole are even less. In the process of imbibition, capillary force and gravitational force are key parameters controlling fluid flow in pores and fractures. The replacement of fluid normally takes place in the early stage of imbibition, especially on the first day of imbibition, then the imbibition rate gradually decreases and finally tends to be stable.

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Aristoff, Jeffrey M., Camille Duprat e Howard A. Stone. "Elastocapillary imbibition". International Journal of Non-Linear Mechanics 46, n. 4 (maggio 2011): 648–56. http://dx.doi.org/10.1016/j.ijnonlinmec.2010.09.001.

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Ren, Xiaoxia, Aifen Li, Piyang Liu e Bingqing He. "Experiments and Modeling on the Influence of Interfacial Tension on Imbibition Height of Low-Permeability Reservoir". Geofluids 2020 (25 agosto 2020): 1–10. http://dx.doi.org/10.1155/2020/8837897.

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Low-permeability reservoirs have tiny pores with winding and complicated pore throats. The oil recovery efficiency of low-permeability reservoirs can be enhanced through the displacement of reservoir oil through imbibition. In the present study, experiments were conducted to investigate variations in the imbibition height of hydrophilic and weakly-hydrophilic rock samples under different interfacial tensions. An imbibition model considering imbibition resistance and bending of pore throats was established based on fractal theory. According to the experimental results, variations in the imbibition height of low-permeability rock samples with time can be divided into three stages. In the first stage, the capillary force plays a dominant role, while the viscous force and gravity have very slight effects. The imbibition height first increases rapidly and then levels off to a constant rate. With the increase in interfacial tension, the imbibition rate in the first stage increases, the ultimate imbibition height increases initially and then decreases, and the contribution of the imbibition height in the first stage to the ultimate imbibition height becomes greater. There is an optimal interfacial tension that causes the ultimate imbibition height to reach its maximum. The calculated results obtained from the proposed imbibition model are consistent with the experimental results, indicating that the model can accurately reflect the change in the imbibition height in low-permeability reservoirs in the first stage.

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Zhang, Zhenjie, Tianyi Zhao e Qingbang Meng. "A Novel Model of Counter-Current Imbibition in Interacting Capillaries with Different Size Distribution". Energies 15, n. 17 (29 agosto 2022): 6309. http://dx.doi.org/10.3390/en15176309.

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The imbibition phenomenon widely exists in nature and industrial applications. It is of great significance to study the mechanism of imbibition and the influence laws of related factors. In this paper, based on the assumption of interacting capillaries, a capillary bundle model of counter-current imbibition is established. In addition, the characteristics of imbibition and the influences of capillary size and fluid viscosity are analyzed. The results show that water is imbibed into the smaller capillaries and expelled from the larger capillaries. The rate of the meniscus in water-imbibition capillaries is proportional to the square root of time. In the interacting capillaries, oil production by counter-current imbibition decreases and then increases gradually with the increase of the capillary diameter difference. When the total cross-sectional area of the capillary remains unchanged, the cross-sectional area of the total water-imbibition capillaries is affected by the size distribution of the capillaries. The larger the viscosity of the non-wetting phase, the more uneven the imbibition front, the lower the imbibition efficiency. The higher the viscosity of the wetting phase, the more uniform the imbibition front, and the higher the imbibition efficiency.

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Tesi sul tema "Imbibition"

Pashayev, Orkhan H. "Imbibition assisted oil recovery". Texas A&M University, 2004. http://hdl.handle.net/1969.1/1107.

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Imbibition describes the rate of mass transfer between the rock and the fractures. Therefore, understanding the imbibition process and the key parameters that control the imbibition process is crucial. Capillary imbibition experiments usually take a long time, especially when we need to vary some parameters to investigate their effects. Therefore, this research presented the numerical studies with the matrix block surrounded by the wetting phase for better understanding the characteristic of spontaneous imbibition, and also evaluated dimensionless time for validating the scheme of upscaling laboratory imbibition experiments to field dimensions. Numerous parametric studies have been performed within the scope of this research. The results were analyzed in detail to investigate oil recovery during spontaneous imbibition with different types of boundary conditions. The results of these studies have been upscaled to the field dimensions. The validity of the new definition of characteristic length used in the modified scaling group has been evaluated. The new scaling group used to correlate simulation results has been compared to the early upscaling technique. The research revealed the individual effects of various parameters on imbibition oil recovery. Also, the study showed that the characteristic length and the new scaling technique significantly improved upscaling correlations.

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Odier, Céleste. "Imbibition forcée en milieu poreux". Thesis, Lyon, 2017. http://www.theses.fr/2017LYSEN056/document.

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La compréhension des écoulements biphasiques dans des milieux hétérogènes est déterminante pour un certain nombre de processus industriels. Le plus marquant étant la récupération assistée du pétrole piégé dans des roches poreuses,qui est un moteur pour la recherche dans ce domaine depuis plusieurs décennies.Pourtant, si l’imbibition spontanée de liquides dans un milieu poreux est relativement bien comprises, l’imbibition forcée d’un liquide dans un milieu poreux rempli d’un liquide plus visqueux n’a pas encore été décrite quantitativement. En combinant des expériences de microfluidique et d’imagerie confocale, nous avons étudié la morphologie et la dynamique d’imbibition forcée dans des milieux poreux réguliers. Nous avons mis en évidence la présence de quatre régimes d’imbibition,provenant de dynamiques d’invasion différentes à l’échelle du pore et ayant une signature claire sur les observables macroscopiques. L’étude de la dynamique locale associée à la microscopie confocale, qui donne accès à des informations tridimensionnelles,nous a permis de montrer que les transitions entre ces régimes étaient la conséquence de deux transitions de mouillage et d’une instabilité d’interface.De plus, contrairement à la majorité des études menées jusqu’à présent, nous nous sommes intéressés à l’évolution de ces motifs d’imbibition soumis à une injection continue sur des temps longs devant le temps de percolation. Cela a permis de mettre en évidence le vieillissement de ces motifs qui est le résultat d’un mûrissement d’origine capillaire
Understanding two-phase flow in heterogeneous media is of great importance for a number of industrial processes. One of the most prominent examples is enhanced oil recovery which has driven fundamental and applied research in this fieldfor decades. However our understanding has remained extremely unbalanced. The case of spontaneous imbibition of a fluid in a porous medium is fairly well understood,whereas quantitative descriptions of forced imbibition in the presence of anunfavorable viscosity ratio is still lacking. Combining large-scale observations and confocal imaging of microfluidic experiments, we studied the morphology and dynamicsof forced imbibition in homogeneous porous media. We identify four classesof three-dimensional patterns resulting from different dynamics at the pore-scale, and having a clear signature on the macroscopic observables. By means of confocalmicroscopy allowing us to visualize three dimensional features of the local dynamics,we show that the transitions between the four imbibition scenarios result from two dynamical wetting transitions and one interfacial instability. In addition,unlike previous studies, we investigate the evolution of those patterns undercontinuous injection over long time scales. We evidence their aging according to acapillary-coarsening process

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Debacker, Alban. "Imbibition et dispersion d'un agrégat sous écoulement". Thesis, Strasbourg, 2015. http://www.theses.fr/2015STRAE036/document.

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Le BUT de ma thèse est d’étudier les mécanismes fondamentaux du mélange d’une poudre avec un liquide : Au début du mélange, la poudre et le liquide sont versés dans le mélangeur, des agrégats de poudre communément appelés grumeaux se forment. Ensuite chaque agrégat va évoluer par l’action de plusieurs phénomènes : l’imbibition, phénomène spontané qui désigne l’infiltration d’un liquide dans un milieu poreux par capillarité ; et le phénomène forcé de rupture sous contraintes d’écoulement. A l’état final la poudre est dispersée finement et de façon homogène dans le liquide. Ma thèse est alors structurée en deux parties : l’étude de la cinétique d’imbibition d’un agrégat sphérique immergé ; et l’étude de la rupture d’un agrégat sous contrainte extérieure. La REUSSITE de l’étude provient des expériences approfondies: de la création d’un nouveau procédé de fabrication d’un agrégat grâce à l’impression 3D, jusqu’à la détermination de lois empiriques de nouveaux phénomènes mis en évidence
The GOAL of my PhD is to study the fundamental mechanisms of mixing a powder with a liquid. The mix of focus proceeds as follows:At start, as the powder and the liquid are filled in the mixer, powder aggregates form.Then each powder aggregate evolves under the influence of several phenomena: imbibition, spontaneous phenomenon corresponding to the infiltration of a liquid inside a porous medium by capillarity; and the forced phenomenon of rupture under flow. At last the powder is finely and homogeneously dispersed in the liquid. My PhD is thus organized in two parts: the study of the imbibitions kinetics of a spherical aggregate, and the study of the rupture of an aggregate under flow.The SUCCESS of the study relies on the thorough experiments: from creating a new aggregate manufacturing process using 3D printing, to determining empirical laws corresponding to new phenomena

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Liberman, Tom. "Capillarity and liquid imbibition in granular solids". Thesis, McGill University, 1989. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59594.

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The imbibition of hexane, ethanol, and aqueous solutions of ethanol into packed beds of granular solids was studied at 25$ sp circ$C by measuring the time variation of the weight of the beds. The increase in weight was converted to meniscus height using the measured bed void fraction and the density of the liquid. The packed beds consisted of either glass beads or sand which were treated with trimethylchlorosilane (Si(CH$ sb3$)$ sb3$Cl) to provide a consistent surface. The contact angles of the liquids were measured directly on flat glass plates which had received the same chemical treatment as the granular solids.
Twenty-four sets of imbibition data were obtained. The meniscus height-time data were correlated by a modified form of the Washburn equation, called the GW model. It provided excellent correlation of all experimental imbibition data with a minimum R$ sp2$ of 0.981. The best value of the adjustable parameter in the GW model, $ beta$, was 0.93, with a standard deviation of 0.36. Although some literature sources suggest values of $ beta$ of 3 to 6 on theoretical grounds, the value of 0.93 fits literature imbibition data.

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Behbahani, Hassan Shokrollah-Zadeh. "Analysis, scaling and simulation of counter-current imbibition". Thesis, Imperial College London, 2004. http://hdl.handle.net/10044/1/11474.

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Roychaudhuri, Basabdatta. "Spontaneous Countercurrent and Forced Imbibition in Gas Shales". Thesis, University of Southern California, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10635652.

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In this study, imbibition experiments are used to explain the significant fluid loss, often more than 70%, of injected water during well stimulation and flowback in the context of natural gas production from shale formations. Samples from a 180 ft. long section of a vertical well were studied via spontaneous and forced imbibition experiments, at lab-scale, on small samples with characteristic dimensions of a few cm; in order to quantify the water imbibed by the complex multi-porosity shale system. The imbibition process is, typically, characterized by a distinct transition from an initial linear rate (vs. square root of time) to a much slower imbibition rate at later times. These observations along with contact angle measurements provide an insight into the wettability characteristics of the shale surface. Using these observations, together with an assumed geometry of the fracture system, has made it possible to estimate the distance travelled by the injected water into the formation at field scale.

Shale characterization experiments including permeability measurements, total organic carbon (TOC) analysis, pore size distribution (PSD) and contact angle measurements were also performed and were combined with XRD measurements in order to better understand the mass transfer properties of shale. The experimental permeabilities measured in the direction along the bedding plane (10^–1–10^–2 mD) and in the vertical direction (~10^–4 mD) are orders of magnitude higher than the matrix permeabilities of these shale sample (10^–5 to 10^–8 mD). This implies that the fastest flow in a formation is likely to occur in the horizontal direction, and indicates that the flow of fluids through the formation occurs predominantly through the fracture and micro-fracture network, and hence that these are the main conduits for gas recovery. The permeability differences among samples from various depths can be attributed to different organic matter content and mineralogical characteristics, likely attributed to varying depositional environments. The study of these properties can help ascertain the ideal depth for well placement and perforation.

Forced imbibition experiments have been carried out to better understand the phenomena that take place during well stimulation under realistic reservoir conditions. Imbibition experiments have been performed with real and simulated frac fluids, including deionized (DI) water, to establish a baseline, in order to study the impact on imbibition rates resulting from the presence of ions/additives in the imbibing fluid. Ion interactions with shales are studied using ion chromatography (IC) to ascertain their effect on imbibition induced porosity and permeability change of the samples. It has been found that divalent cations such as calcium and anions such as sulfates (for concentrations in excess of 600 ppm) can significantly reduce the permeability of the samples. It is concluded, therefore, that their presence in stimulating fluids can affect the capillarity and fluid flow after stimulation. We have also studied the impact of using fluoro-surfactant additives during spontaneous and forced imbibition experiments. A number of these additives have been shown to increase the measured contact angles of the shale samples and the fluid recovery from them, thus making them an ideal candidate for additives to use. Their interactions with the shale are further characterized using the Dynamic Light Scattering (DLS) technique in order to measure their hydrodynamic radius to compare it with the pore size of the shale sample.

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Oko, Asaf. "Spontaneous imbibition and colloidal aspects of inkjet printing". Doctoral thesis, KTH, Yt- och korrosionsvetenskap, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-152904.

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Water-based inkjet is one of the most abundant and versatile digital printing technologies. The subject of this thesis work is processes that take place once an inkjet drop lands on the surface of a porous printing media, with focus on liquid penetration due to capillary action (spontaneous imbibition) and aggregation of ink components. Knowing the details of these two sub-processes would allow optimization of printing processes as well as prediction of the final print result, based on material properties. The dynamics of drops as they land on different surfaces is captured at adequate time and length-scales by an optical imaging system coupled to an inkjet dispensing unit. The evaporation rate of drops is quantified and distinguished from imbibition, and their spreading behavior on porous substrates is characterized. A set of paper grades is used as examples to conclude that the events are captured accurately. Scaling laws for imbibition are derived from Darcy’s law for liquid flow through dimensional analysis and it is shown that the imbibition rate of drops is related to dimensionless volume and time groups, defined by the volume of the drop, porosity and permeability of the substrate, viscosity of the liquid and the Laplace capillary pressure that drives the imbibition. The approach is applied for two types of systems, one that includes simple liquids imbibing homogeneous and isotropic porous glass and the other that includes complex liquids imbibing heterogeneous and anisotropic paper. The addition of simple divalent salts to the paper surface is widely used to increase the print quality of water-based pigmented inkjet inks. Salt ions quickly diffuse into the inkjet droplets as they land on the paper and cause the ink to aggregate. This effect leads to the accumulation of colorant-pigments close to, or even on, the surface of the paper. Two salts, CaCl2 and MgCl2, are used to aggregate inkjet inks and their components. The interactions between the aggregated compounds are investigated by a set of experimental measurements that include sedimentation, confocal Raman microscopy, turbidity, rheology and electrophoretic mobility. It is concluded that the salt induced aggregation is led by a non-color polymeric ink component used as a pigment dispersant, and that CaCl2 induces stronger interactions between polymeric carboxylate groups compared to MgCl2. This ion specific effect cannot be explained by the Derjaguin-Landau-Verwey-Overbeek (DLVO) theory for electrostatic interaction in colloidal systems.

QC 20141002

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Huapaya, Lopez Christian A. "The imbibition process of waterflooding in naturally fractured reservoirs". Texas A&M University, 2003. http://hdl.handle.net/1969.1/1632.

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This thesis presents procedures to properly simulate naturally fractured reservoirs using dual-porosity models. The main objectives of this work are to: (1) determine if the spontaneous imbibition can be simulated using a two phase CMG simulator and validate it with laboratory experiments in the literature; (2) study the effect of countercurrent imbibition in field scale applications; and (3) develop procedures for using the dual-porosity to simulate fluid displacement in a naturally fractured reservoir. Reservoir simulation techniques, analytical solutions and numerical simulation for a two phase single and dual-porosity are used to achieve our objectives. Analysis of a single matrix block with an injector and a producer well connected by a single fracture is analyzed and compared with both two phase single and dual-porosity models. Procedures for obtaining reliable results when modeling a naturally fractured reservoir with a two phase dual-porosity model are presented and analyzed.

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Nguyen, Viet Hoai Petroleum Engineering Faculty of Engineering UNSW. "A dynamic network model for imbibition and film flow". Awarded by:University of New South Wales. Petroleum Engineering, 2006. http://handle.unsw.edu.au/1959.4/25495.

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This thesis describes a new dynamic network model for imbibition which is based on a physically realistic description of the complex dynamics of corner film flow, swelling and snap-off. The model shows that film flow is a capillary driven non-linear diffusive process and that the competition between snapoff and frontal displacements is rate dependent and results in rate dependent relative permeabilities and residual saturations. In contrast to previously published models in which length scales for snap-off are either specified a priori or calculated assuming steady-state film flow and constant film conductivities, in the present model, snap-off arises as a natural consequence of the fully transient nature of film flow and swelling. The network model is used to analyse the complex interaction between displacement rate, contact angle, aspect ratio and pore and throat shape on relative permeability and residual saturation. Computed relative permeabilities and residual saturations are compared with laboratory measurements reported in the literature. It is concluded that the magnitude of the rate effect on imbibition relative permeabilities and residual saturations for a particular rock microstructure and wettability condition depends largely on the pore-throat aspect ratio. Higher aspect ratios result in stronger rate effects than do smaller aspect ratios.

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Tong, Zhengxin. "Oil recovery by spontaneous imbibition from mixed-wet rocks". Laramie, Wyo. : University of Wyoming, 2005. http://proquest.umi.com/pqdweb?did=888851021&sid=2&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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Libri sul tema "Imbibition"

Genosko, Gary. Drinking Animals: Sobriety, Intoxication and Interspecies Assemblages. Edinburgh University Press, 2018. http://dx.doi.org/10.3366/edinburgh/9781474422734.003.0016.

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While Deleuze explored the temporalities of alcoholism in American literature in The Logic of Sense, and Jean Clet Martin, among others, has extended this inquiry by further extracting the alcoholic’s lines of flight from the same literature, this chapter breaks the mould by understanding alcohol, distilled and in its pure form of ethanol, as well as its imbibition, as a question of a component that passes through anthropocentric, and across multiple non-anthropocentric assemblages. The exploitation of ethanol fermentation, for example, exists across species. Indeed, as we entertain more overtly human cultural examples, such as ‘wine’ for cats, a recent Japanese pet trend, the metabolic communion of interspecies companionship requires that the material expressivity of the substance is overcoded because the ‘wine’ is not only non-alcoholic but liquid catnip in a ‘wine’ bottle. Indeed, theorization of the pursuit of shared pleasures – using Guattari’s ethological terms, we might say deterritorializing from deterministic biological factors yet also modifying these in some measure as well (Machinic Unconscious) – and engaging multiple species is this chapter’s goal, achievable by plotting the passages of alcohol and its related components across assemblages and their material and socio-cultural expressive trajectories beyond strictly anthropocentric and Western prerogatives.

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Esenam, Etekamba Udo. Properties of electrodeposition paints related to some resin parameters: Changes caused by altering acid valuesand molecular weights of resins in electrophoresis and endosmosis during deposition, and ionic permeability and imbibition in service, of anti-corrosive formulations. Bradford, 1985.

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Capitoli di libri sul tema "Imbibition"

Gooch, Jan W. "Imbibition". In Encyclopedic Dictionary of Polymers, 382. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_6212.

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Chesworth, Ward, Augusto Perez‐Alberti, Emmanuelle Arnaud e H. J. Morel‐Seytoux. "Imbibition". In Encyclopedia of Soil Science, 339–50. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-3995-9_286.

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Gooch, Jan W. "Water Imbibition". In Encyclopedic Dictionary of Polymers, 805. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_12706.

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Rodríguez, Humberto Gonzaález, Ratikanta Maiti e Ch Aruna Kumari. "Imbibition of Seeds". In Experimental Ecophysiology and Biochemistry of Trees and Shrubs, 69–74. Includes bibliographical references and index.: Apple Academic Press, 2020. http://dx.doi.org/10.1201/9780429322266-11.

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Bewley, J. Derek, e Michael Black. "Storage, Imbibition, and Germination". In Seeds, 89–134. Boston, MA: Springer US, 1985. http://dx.doi.org/10.1007/978-1-4615-1747-4_3.

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Zhao, Benzhong, Chris MacMinn e Ruben Juanes. "Strong Imbibition in Patterned Microfluidics". In Album of Porous Media, 54. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-23800-0_40.

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Gutterman, Yitzchak. "Environmental Factors During Seed Imbibition Affecting Germination". In Seed Germination in Desert Plants, 169–206. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-75698-6_5.

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Peters, Ralph R., Elmer A. Klavetter, James T. George e John H. Gauthier. "Measuring and Modeling Water Imbibition into Tuff". In Flow and Transport through Unsaturated Fractured Rock, 75–85. Washington, D. C.: American Geophysical Union, 2013. http://dx.doi.org/10.1029/gm042p0075.

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Guo, De-long, Hai Lin, You-yu Wan, Zhi-sheng Wang, Li Zhang, Feng-yu Lei, En-dong Zhao, Qian Xiao e Xing-yu Qiao. "Study on Imbibition Mode of Reservoir Fracturing". In Springer Series in Geomechanics and Geoengineering, 2135–45. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1964-2_182.

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Liu, Qian, Baoshan Guan, Yuting Liu e Li Liang. "Preparation and Performance Evaluation of Imbibition-Displacement Microemulsion". In Springer Series in Geomechanics and Geoengineering, 522–32. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0761-5_51.

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Atti di convegni sul tema "Imbibition"

Dubé, M. "Interface dynamics in imbibition". In Third tohwa university international conference on statistical physics. AIP, 2000. http://dx.doi.org/10.1063/1.1291616.

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Tao, Liang, Yuhang Zhao, Xiaozhuo Zhang, Yanxing Wang, Hongbo Feng, Yujie Cao e Zhihong Zhao. "Experimental Study on Water Imbibition Law of Longmaxi Formation Shale in the Sichuan Basin". In International Petroleum Technology Conference. IPTC, 2021. http://dx.doi.org/10.2523/iptc-21819-ms.

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Abstract Water imbibition is a key factor affecting the flowback system of shale gas wells after volume fracturing. This paper took shale samples from the Longmaxi formation (LF) in the Sichuan Basin as subjects, the experiments of shale water imbibition under different influencing factors were carried out. The water imbibition law was analyzed, and the shale water imbibition capacity was quantitatively characterized, the question if shut-down is necessary after volume fracturing of wells in shale gas reservoir has been answered objectively. The experimental results show that: according to imbibition saturation, the shale water imbibition can be divided into 3 periods, imbibition diffusion, imbibition transition and imbibition balance periods. Among them, the imbibition diffusion period is the main period for imbibition capacity rise. The shale sample with horizontal bedding had much larger imbibition capacity than the sample with vertical bedding. The initial micro-fractures provide percolation pathways for shale imbibition, making flow resistance drop and imbibition capacity increase rapidly. Imbibition capacities of the shale samples to different types of fluids in descending order were: deionized water, slick water, 2% KCl solution and kerosene. The micro-fracfures induced by shale hydration were mainly lamellation, with obvious directionality. Shale hydration can improve the fracturing effect of reservoir, resulting in the increase of porosity of 0.08-1.04 times and increase of permeability of 2.3-173.6 times. The study results can provide scientific basis for the optimization of flowback system of shale gas wells.

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Tian, Weibing Tian, Keliu Wu, Zhangxin Chen, Yanling Gao, Yin Gao e Jing Li. "Inertial Effect on Spontaneous Oil-Water Imbibition by Molecular Kinetic Theory". In SPE Europec featured at 82nd EAGE Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/205171-ms.

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Abstract Imbibition is one of the most common physical phenomena in nature, and it plays an important role in enhanced oil recovery, hydrology, and environmental engineering. For the tight reservoirs, the imbibition method has an obvious advantage in fracturing, shut-in, and huff-puff development. Although the current imbibition studies focus on oil recovery, and the inertial effect in imbibition is neglected and its mechanism is also unclear. In this paper, the inertial effect on spontaneous oil-water imbibition at micron-scale is studied by molecular kinetic theory (MKT). The frictional coefficient in the model is a fitted parameter to match the experimental data during the total imbibition process. Then, the simulation of the initial imbibition stage is conducted and the inertial effect on imbibition is identified by the difference between the model considering the inertial effect (CI) and the model neglecting the inertial effect (NI), or by the proportion of inertial force to the total resistance. Results show that (i) with an increase in the water phase viscosity, the inertial effect time shortens, maximum imbibition height and rate decrease, and thus the inertial effect on imbibition weakens; (ii) with an increase in the oil phase viscosity, the inertial effect time changes little, the maximum imbibition height and rate decrease slightly, namely, the inertial effect depends slightly on the oil phase. (iii) with an increase in the capillary wettability (hydrophilicity), the inertial effect time shortens, the maximum imbibition rate first increases and then decreases, and the inertial effect on imbibition weakens. This work sheds light on the inertial effect on oil-water imbibition by MKT, considering the effects of dynamic contact angle, water phase viscosity, oil phase viscosity, and wettabilities, which is helpful to understand the role of inertia in the oil-water or oil-fracturing fluid imbibition process.

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Schembre, J. M., S. Akin, L. M. Castanier e A. R. Kovscek. "Spontaneous Water Imbibition into Diatomite". In SPE Western Regional Meeting. Society of Petroleum Engineers, 1998. http://dx.doi.org/10.2118/46211-ms.

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Hayashi, J. A., e C. Perez-Rosales. "Visual Investigation of Imbibition Processes". In SPE Latin America Petroleum Engineering Conference. Society of Petroleum Engineers, 1992. http://dx.doi.org/10.2118/23745-ms.

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Cruz-Hernandez, J., e C. Perez-Rosales. "Imbibition as a Dispersion Process". In SPE Latin America Petroleum Engineering Conference. Society of Petroleum Engineers, 1992. http://dx.doi.org/10.2118/23748-ms.

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Adams, Stephen. "Modeling Imbibition Capillary Pressure Curves". In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 2003. http://dx.doi.org/10.2118/84298-ms.

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Olafuyi, Olalekan Adisa, Yildiray Cinar, Mark Alexander Knackstedt e Wolf Val Pinczewski. "Spontaneous Imbibition in Small Cores". In Asia Pacific Oil and Gas Conference and Exhibition. Society of Petroleum Engineers, 2007. http://dx.doi.org/10.2118/109724-ms.

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Føyen, T. L., M. A. Fernø e B. Brattekås. "The Onset of Spontaneous Imbibition: How Irregular Fronts Influence Imbibition Rate and Scaling Groups". In SPE Improved Oil Recovery Conference. Society of Petroleum Engineers, 2018. http://dx.doi.org/10.2118/190311-ms.

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Zhou, Chao, Yashu Chen, Zuqing He, Zhifa Wang, Wei Zhang e Yuzhu Xu. "Experimental Research of Imbibition Law in the Continental Shale in Sichuan Basin in China". In International Petroleum Technology Conference. IPTC, 2024. http://dx.doi.org/10.2523/iptc-23286-ms.

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Abstract Marine shale has been developed successfully in China, however, the exploration and development of the continental shale is still limited. Study about imbibition and influence factors of the continental shale is insufficient. The objective of the proposed paper is to design and conduct an imbibition experiment to research imbibition rate, imbibed volume, induced crack and influence factors in the Jurassic continental shale in Sichuan basin in China. The imbibition experiment is developed based on the low field Nuclear Magnetic Resonance(NMR) and accurate weighting. The permeability, porosity and mineral composition of shale samples of LU Formation and DD Formation are measured and the differences are analyzed. The change of permeability and porosity before and after the imbibition process is set as the evaluation index and the influence factors of imbibition in the continental shale are analyzed. The influence factors include lithology, imbibition fluid, imbibition pressure and clay content. Besides, the wettability of the continental shale is estimated in the experiment. The experimental results show that the imbibition capacity of the limestone sample is weaker than that of shale samples, and the shell limestone interlayer in the continental shale reservoir may inhibit the imbibition and crack propagation in the shale. Oil phase may enhance the crack propagation after the shale samples induced crack in aqueous phase, and the complicated phase imbibition in the continental shale reservoir may be beneficial to the permeability improvement. The forced imbibition has weaker capacity of crack induction and permeability improvement compared to the spontaneous imbibition, and the influence of the reservoir confining pressure on the imbibition should be considered during the well shut-in process after hydraulic fracturing. The higher clay content shale sample has stronger capacity of crack induction and permeability improvement compared to the lower clay content shale sample. The wettability of the continental shale sample is water-wet. The imbibition experiment reveals the imbibition law and the induced crack character of the continental shale samples, whose results fill the gap in existing studies and have a theoretical guidance for the shut-in and flowback design in the continental shale reservoir.

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Rapporti di organizzazioni sul tema "Imbibition"

Kuhlman, Kristopher, Forest Good, Tara LaForce e Jason Heath. FY22 Progress on Imbibition Testing in Containment Science. Office of Scientific and Technical Information (OSTI), settembre 2022. http://dx.doi.org/10.2172/1889335.

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Kovscek, Anthony R., e Josephina Schembre. Spontaneous Imbibition in Low Permeability Medium, SUPRI TR-114. Office of Scientific and Technical Information (OSTI), agosto 1999. http://dx.doi.org/10.2172/9325.

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Kuhlman, Kristopher, Melissa Mills, Jason Heath, Matthew Paul, Jennifer Wilson e John Bower. Spontaneous Imbibition Tests and Parameter Estimation in Volcanic Tuff. Office of Scientific and Technical Information (OSTI), agosto 2021. http://dx.doi.org/10.2172/1815348.

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Hadghighi, M., e Y. C. Yortsos. Visualization and simulation of immiscible displacement in fractured systems using micromodels: Imbibition. Office of Scientific and Technical Information (OSTI), luglio 1995. http://dx.doi.org/10.2172/85906.

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Daily, W., e A. Ramirez. An experiment to determine drilling water imbibition by in situ densely welded tuff. Office of Scientific and Technical Information (OSTI), aprile 1987. http://dx.doi.org/10.2172/60501.

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Kvoscek, A. R., D. Zhou, L. Jia e J. Kamath. Scaling of Counter-Current Imbibition Process in Low-Permeability Porous Media, TR-121. Office of Scientific and Technical Information (OSTI), gennaio 2001. http://dx.doi.org/10.2172/773294.

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Chekuri, V. S., S. W. Tyler e J. W. Fordham. The role of fracture coatings on water imbibition into unsaturated tuff from Yucca Mountain. Office of Scientific and Technical Information (OSTI), novembre 1995. http://dx.doi.org/10.2172/399668.

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Norman R. Morrow e Jill Buckley. Wettability and Oil Recovery by Imbibition and Viscous Displacement from Fractured and Heterogeneous Carbonates. Office of Scientific and Technical Information (OSTI), aprile 2006. http://dx.doi.org/10.2172/888663.

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Rangel-German, E. R., e A. R. Kovscek. Experimental and Analytical Study of Multidimensional Imbibition in Fractured Porous Media, SUPRI TR-129. Office of Scientific and Technical Information (OSTI), aprile 2002. http://dx.doi.org/10.2172/793652.

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Weiss. PR-318-08700-R01 Smart Gas-Using Chemicals to Improve Gas Deliverability-Phase II. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), marzo 2009. http://dx.doi.org/10.55274/r0010944.

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In water-wet gas storage reservoirs, the imbibition force promotes the retention of water in the pore space, which curtails the deliverability of gas to the wellbore during periods of high demand. Similarly, the injection of gas during the fill cycle is restricted. In addition, the pore space occupied by irreducible water is not available to hold gas. The objective of this Phase II project was to demonstrate in the field the new technology developed in the laboratory during Phase I. Wettability alteration was evaluated as a technique to improve gas deliverability from gas storage wells during Phase I. During the first year, two cost-effective surfactants were selected from 11 candidates through various laboratory screening and reservoir core tests. Reservoir cores from three gas storage facilities including sandstone and dolomite reservoirs were used to evaluate the two surfactants. The imbibition and core flood tests showed that gas deliverability and storage capacity were improved in surfactant-treated sandstone cores. However, these surfactants had a very limited effect on dolomite cores. An engineering analysis was conducted to develop an analytical method for evaluating future field tests of the new technology. It was concluded that the aquifer storage facilities are candidates for field testing. Results from Phase I provided the foundation for this Phase II project.

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