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Theoretical Investigation of the Transition From Spontaneous to Forced Imbibition [PDF]

SPE Journal, 2018
Summary Spontaneous and forced imbibition are recognized as important recovery mechanisms in naturally fractured reservoirs because the capillary force controls the movement of the fluid between the matrix and the fracture. For unconventional reservoirs, imbibition is also important because the capillary pressure is more dominant in ...
Lichi Deng, Michael J. King
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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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An Experimental Investigation of Spontaneous Imbibition in Gas Shales

SPE Annual Technical Conference and Exhibition, 2011
Abstract Multi-stage horizontal wells play an important role in the development of domestic shale-gas resources. The completion strategy for shale-gas wells commonly includes hydraulic fracturing that utilizes large volumes of fresh (and recycled water) complimented by the addition of assorted chemicals.
B. Roychaudhuri, T.T. Tsotsis, K. Jessen
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Spontaneous imbibition in parallel layers of packed beads

The European Physical Journal E, 2017
The imbibition of a wetting fluid in a homogeneous porous medium follows the diffusion-like behavior described by Washburn. The impregnation of a two-layered porous medium by a wetting fluid due to capillary action has been previously described to have two fronts, one saturating the medium and the other, leading front, which propagates in finer pores ...
S, Ashraf, G, Visavale, S S, Bahga, J, Phirani   +3 more
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Analytical solution to spontaneous imbibition under vertical temperature gradient based on the theory of spontaneous imbibition dynamics

Journal of Petroleum Science and Engineering, 2019
Abstract In this work, we have theoretically studied the imbibition process related to a block in a fractured carbonate reservoir under an assumed constant, vertical temperature gradient, GT. An analytical solution to an ordinary differential equation we developed has been obtained using a computer program, and the original Washburn law normally ...
Mumuni Amadu, Michael J. Pegg
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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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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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On Barenblatt's Model of Spontaneous Countercurrent Imbibition

Transport in Porous Media, 2004
Water imbibition is a critical mechanism of secondary oil recovery from fractured reservoirs. Spontaneous imbibition also plays a significant role in storage of liquid waste by controlling the extent of rock invasion. In the present paper, we extend a model of countercurrent imbibition based on Barenblatt's theory of non-equilibrium two-phase flow by ...
Dmitry Silin, Tad Patzek
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Spontaneous Imbibition and Imbibition Oil Recovery in Tight Rocks

2017
Advances in the development of unconventional resources have led to a surge in North American oil production. For example, tight oil production has pushed the U.S. crude supply to over 9% of world total production. Therefore, petrophysical characterization of such low-permeability rocks, has become increasingly important for petroleum engineers ...
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