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…
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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
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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