Results 211 to 220 of about 1,402 (263)

Molecular timekeepers: the curious alliance of redox, repair, and protective proteins in preserving seed longevity. [PDF]

Crop Health
Das A, Majee M.
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Spontaneous Imbibition of Liquids into Nanopores

MRS Proceedings, 2005
AbstractWe present measurements on the spontaneous imbibition of water, a linear hydrocarbon (n-C16H34) and a liquid crystal (8OCB) into the pore space of monolithic, nanoporous Vycor glass (mean pore radius 5nm). Measurements of the mass uptake as a function of time, m(t), are in good agreement with the Lucas-Washburn - prediction typical of ...
Huber, Patrick, Knorr, Klaus, Kityk, Andriy V.   +2 more
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Nonequilibrium Effects During Spontaneous Imbibition

Transport in Porous Media, 2006
Accurate models of multiphase flow in porous media and predictions of oil recovery require a thorough understanding of the physics of fluid flow. Current simulators assume, generally, that local capillary equilibrium is reached instantaneously during any flow mode.
S. S. Le Guen, A. R. Kovscek
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Spontaneous Water Imbibition into Diatomite

Proceedings of SPE Western Regional Meeting, 1998
Abstract A systematic experimental investigation of capillary pressure characteristics and fluid flow in diatomite has begun. Using an X-ray CT scanner and a specially constructed imbibition cell, we study spontaneous water imbibition processes in diatomite and for reference Berea sandstone and chalk.
J. M. Schembre, S. Akin, L. M. Castanier, A. R. Kovscek   +3 more
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New normalization index for spontaneous imbibition

Journal of Petroleum Science and Engineering, 2012
Abstract Spontaneous imbibition is of special importance in oil recovery from fractured reservoirs. Laboratory measurements of volume of liquid imbibed versus time are often used in the prediction of oil recovery. Laboratory results of oil recovery through spontaneous imbibition are commonly scaled-up to forecast oil recovery at the reservoir scale ...
M. Pordel Shahri, M. Jamialahmadi, S.R. Shadizadeh   +2 more
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Recovery of oil by spontaneous imbibition

Current Opinion in Colloid & Interface Science, 2001
Spontaneous imbibition is of particular importance to oil recovery from fractured reservoirs. There has been a surge in the growth of technical literature over the past 5 years. This review is centered on developments in the scaling of laboratory imbibition data.
Norman R Morrow, Geoffrey Mason
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Wettability Evaluation by Spontaneous Imbibition Measurement

Jornual of AL-Farabi for Engineering Sciences, 2022
The propensity of one fluid in a fluid pair to coat the surface voluntarily is known as wettability. Fluid distribution and flow behavior in porous rocks mainly controlled by wettability. Oil recovery by water flooding depend mainly on the wettability of the reservoir rock. Many methods used for wettability measurement.
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Spontaneous Imbibition in Niger Delta Cores

SPE Nigeria Annual International Conference and Exhibition, 2016
Abstract Spontaneous imbibition is a process where the non-wetting fluid is displaced by the wetting fluid in a porous medium by means of capillary forces. Spontaneous imbibition plays a key role in oil recovery. This paper presents experimental data for countercurrent spontaneous imbibition into cores with different ...
A. Kerunwa, M. O. Onyekonwu, C. I. Anyadiegwu, A. O. Olafuyi   +3 more
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Spontaneous Imbibition with Matched Liquid Viscosities

Proceedings of SPE Annual Technical Conference and Exhibition, 2005
Abstract Laboratory results of oil recovery through spontaneous imbibition are commonly scaled-up to forecast oil recovery from fractured reservoirs. This study addresses oil recovery from cylindrical sandstone cores by spontaneous imbibition at very strongly water-wet conditions for viscosity ratios of unity (a special case of the ...
H. Fischer, N. R. Morrow
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