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Drainage and imbibition

WebAug 19, 2024 · The objectives of this study are: (1) to present a set of well-controlled imbibition—drainage experimental data for thin porous media, which may also be used by other researchers, and (2) to investigate the applicability of an alternative approach to simulating unsaturated flow in thin porous media, especially for fast spontaneous … Web1 day ago · The hysteresis effect is a key factor to accurately predict the fluid distribution and production performance of fracturing-shut in-flowback-productio…

Drainage Definition, Agriculture, Importance, Construction, Types ...

WebApr 8, 2024 · The isobaric imbibition experimental setup (Fig. 1 (a)) included two isobaric water addition and isobaric desorption functions.The isobaric water addition function is the premise for realizing the spontaneous imbibition experiment, and the isobaric desorption function in the experimental system was used to test the competitive adsorption effect in … WebApr 26, 2024 · Imbibition is often analogous to the waterflooding process. The primary drainage and imbibition relationships generally differ significantly, as shown in Fig. 15.4 … dungloe parish newsletter https://novecla.com

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Web2 days ago · Porous media inhomogeneity increased interface length for drainage and imbibition. Abstract. A multi-relaxation time lattice-Boltzmann model is employed to investigate the dynamic evolution of two immiscible phases through an artificial, randomly generated, porous structure. The flow is driven by a constant pressure gradient, in the … An example of capillary pressure relationships during drainage and imbibition for an unconsolidated dolomite powder is shown in Fig. 6. The wetting phase is water, and the nonwetting phase is decane. The imbibition curve remains above zero capillary pressure, similar to the typical form of Fig. 4. 1. Fig. 6 – Primary … See more As shown in Figs. 4 and 5, the wettability of the porous material is an important factor in the shape of capillary pressure relationships. … See more Most naturally occurring porous media are heterogeneous, having laminations, fractures, vugs, and so forth. Such heterogeneities give … See more As reported by Bethel and Calhoun, wettability affects the position of capillary pressure curves, as shown in Fig. 9 for displacement of oil (starting at So = 100%) by water from a glass … See more WebApr 26, 2024 · If during the displacement process the process is reversed and the wetting-phase saturation increases, it is known as imbibition (the imbibing of the wetting phase). Fig. 11.6 shows the drainage and imbibition P c /S w characteristics of a strongly water-wet rock. The minimum wetting or water saturation from the drainage process is termed … dungloe surgery hours

Spontaneous Imbibition and Drainage of Water in a Thin

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Drainage and imbibition

Drainage-imbibition cycle infographic: (a) initial brine saturation ...

WebDownload scientific diagram The shape of drainage and imbibition curves are determined in part by the fluid connectivity. The irreducible wetting phase and residual non-wetting phase saturations ... WebImbibition and drainage of wetting and nonwetting phases from the matrix blocks of fractured reservoirs are driven by some combination of capillary, gravity and viscous forces. ...

Drainage and imbibition

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WebImbibition occurs when a wetting fluid displaces a non-wetting fluid, the opposite of drainage in which a non-wetting phase displaces the wetting fluid. The two processes … WebApr 26, 2024 · Imbibition is often analogous to the waterflooding process. The primary drainage and imbibition relationships generally differ significantly, as shown in Fig. 15.4 for a gas/water system. This difference is called capillary pressure hysteresis—the magnitude of capillary pressure depends on the saturation and the direction of saturation change.

WebLittle oil is recovered from fractured oil-wet carbonate rocks by waterflooding. Surfactant treatments are being developed to enhance oil recovery from such formations. This paper investigates the ef WebDec 4, 2024 · We perform an imbibition–drainage cycle by forcing oil in and out of a dry (air-filled) Hele–Shaw cell with a single mesa defect: a rectangular elevation of the bottom plate, locally reducing ...

WebApr 13, 2024 · However, spontaneous imbibition in water-wet rock and gravity drainage are important production mechanisms in naturally fractured reservoirs [5,12,31,53,59]. The matrix system is mostly bounded by a fracture system with high conductivity. WebSep 19, 2010 · Abstract. Proper modeling of the multiphase flow of supercritical CO2 in deep saline aquifers for CO2 sequestration (both cycles of drainage during injection and imbibition during CO2 migration) is critical in being able to understand and predict both the short and long term fate of the injected CO2 over extended time periods (hundreds to …

WebDec 27, 2007 · Table 1 also lists the number of images taken for imbibition and drainage measurements for each sample. 3. Data Analysis [10] The digital images of the fluid distributions in the micromodels are analyzed with custom IDL programs to determine saturation and interfacial area per volume at each pressure. From the images, interfacial …

WebJun 12, 2006 · Results for both drainage and imbibition relative permeability experiments are presented for each fluid and rock type, as well as measurements of the interfacial tension (IFT) between brines and CO 2 and H 2 S at in situ conditions, and correlations of these results with the IFT, measured rock capillary pressure, pore size distribution and ... dungloe republic of ireland hotelsWebOct 20, 1996 · The Mayer and Stowe-Princen (MS-P) theory of drainage, together with a detailed model of meniscus behavior in a corner during imbibition, enables the relationships between capillary pressure and saturation to be investigated as a function of contact angle and pore geometry. dungloe tool hireWebApr 29, 2014 · The high-porosity bin shows a significant difference between drainage and imbibition, whereas the drainage-imbibition curves for the other two porosity bins are similar (Fig. 18). The bimodal distribution of high- and medium-porosity bins also illustrates the preferential displacement controlled by sub-core-scale heterogeneity during imbibition. dungloe to burtonportWebThree Phase Relative Permeability: Drainage and Imbibition Relative Permeabilities. Many people believe that in strongly wetted systems, the relative permeability of the wetting … dungloe veterinary practiceWebSimulating drainage and imbibition experiments in a high-porosity micromodel using an unstructured pore network model V. Joekar Niasar,1 S. M. Hassanizadeh,1 L. J. Pyrak-Nolte,2 and C. Berentsen1,3 Received 8 November 2007; revised 27 November 2008; accepted 16 December 2008; published 25 February 2009. dungl shopWebSep 5, 2024 · To analyze the characteristic of residual oil in the experiment, we calculated both porosity- and saturation-based REVs for each sample using two drainage and two imbibition data sets. We generated several cubical subvolumes with various side lengths ranging from 0.105 to 2.73 mm and then calculated porosity and oil saturation for each one. dungloe to belfastWebSep 3, 2024 · The hydrogen-water relative permeability was measured for primary drainage, imbibition, and secondary drainage injection processes (Figure 1 ). The endpoints were Krg = 0.04 at Sw = 0.59 and Krg = 0.08 at Sw = 0.37 … dungo english test