The effect of relative permeability hysteresis on reservoir performance can be significant for processes with variable directions of saturation change. For example, during coning of water toward an oil-producing well, the water saturation is increasing; however, if the production rate is decreased or set to … See more In 1954, Corey combined predictions of a tube-bundle model with his empirical expression for capillary pressure to obtain expressions for gas … See more Chiericiproposed exponential expressions for fitting gas/oil relative permeabilities: ....................(11) and ....................(12) with gas saturation normalized as follows: . His expressions for … See more In 1956, Corey and Rathjens extended Corey’s earlier work to explain the effect of laminations on gas/oil relative permeability relations. … See more Other researchers have offered correlations for laboratory measurements of relative permeabilities. Honarpour et al.suggest correlations for two sets of rock samples with … See more WebSep 3, 2024 · Relative permeability curves showed strong hysteresis, both for hydrogen and water. Primary drainage relative permeability measurements were repeated with nitrogen, and relative permeabilities …
A New Model of Trapping and Relative Permeability Hysteresis for …
WebFeb 25, 2024 · In the present paper, the significance of the trapped gas saturation on the hysteresis-relative permeability of brine has been emphasized. An improved relative … WebPermeability, u, is the ratio of the flux density, B, to the magnetizing force, H. D =—, [permeability] [2-1] H The relationship between B and H is not linear, as shown in the hysteresis loop in Figure 2-1. Then, it is evident that the ratio, B/H, (permeability), also varies. david tamil movie songs download mp3
Hysteretic trapping and relative permeability of CO2 in …
WebJul 31, 2013 · The hysteresis models overestimated both the wetting- and nonwetting-phase relative permeability values during the entire IDIDI experiment. Fig. 2—Experimental and … WebSep 2, 2024 · Permeability evolution from chemical reactions, for instance, can become complex as flow channels may open during rock dissolution. In this contribution, we show … WebSep 29, 2024 · Studies on the seepage characteristics of water-sand cracks are of great significance to reveal the mechanisms of water and sand inrush. Using a self-made water-sand fracture seepage test instrument, a water-sand seepage test was carried out, and the permeability of water and sand in the fracture was determined. The hysteresis … david tallichet restaurants discovery