Results 221 to 230 of about 4,492 (259)

Flow Instability Associated With Wettability Alteration

SPE Annual Technical Conference and Exhibition, 2007
Abstract Wettability of a reservoir rock can be altered by changing brine composition, e.g., lowering salinity, adding surfactants. Wettability alteration can mobilize stranded oil and enhance oil recovery. Analytical solution for 1D tertiary low salinity flood shows two saturation shocks one of which is associated with an adverse ...
Ila Tripathi, Kishore Mohanty
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Wettability Alteration in a Tight Oil Reservoir

Energy & Fuels, 2013
In fractured reservoirs, the efficiency of water flood is governed by spontaneous imbibition of water into oil-containing matrix blocks. When the matrix is oil-wet or mixed-wet, little oil can be recovered by imbibition. The objective of this work is to identify chemicals that can be added to the injection water that can induce imbibition into an ...
P. Kathel, K. K. Mohanty
openaire   +1 more source

Wettability Alteration of Fractured Carbonate Reservoirs

SPE Symposium on Improved Oil Recovery, 2008
Abstract Oil can be recovered from fractured, initially oil-wet carbonate reservoirs by wettability alteration with dilute surfactant and electrolyte solutions. The goal of this work is to study the effect of salinity, surfactant concentration, electrolyte concentration, and temperature on the wettability alteration and identify ...
R. Gupta, K. K. Mohanty
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The Effect of Fluoropolymer on Wettability Alteration of Sandstone at Elevated Temperatures

Journal of Surfactants and Detergents, 2016
AbstractGas condensate reservoirs are generally recovered using a pressure depletion drive. Gas can condensate into the liquid phase near the wellbore region when the reservoir pressure falls below the dew point pressure, which can kill gas deliverability.
Jin, Jiafeng, Wang, Yanling, Ren, Jinheng, Nguyen, Anh V., Nguyen, Tuan A. H.   +4 more
openaire   +4 more sources

Reproduce Wettability Alteration of Low-Permeable Outcrop Chalk

Proceedings of SPE/DOE Improved Oil Recovery Symposium, 1998
Summary A total of 41 chalk core plugs, cut with the same orientation from large blocks of outcrop chalk, have been aged in crude oil at 90 °C for different time periods, in duplicate sets. Different filtration techniques, filtration temperatures and injection temperatures were used for the crude oil.
A. Graue, B.G. Viksund, B.A. Baldwin
openaire   +1 more source

Charge Control and Wettability Alteration at Solid-Liquid Interfaces

SPE Improved Oil Recovery Symposium, 2014
Abstract Most solid surfaces acquire a finite surface charge upon exposure to aqueous environments due to desorption and/or adsorption of ionic species. The resulting electrostatic forces play a crucial role in many fields of science, including colloidal stability, self-assembly, wetting, and biophysics as well as technology.
Mugele, Friedrich Gunther, Sîretanu, Igor, Kumar, Naveen, Bera, B., Wang, Lei, Maestro, Armando, Duits, Michael H.G., van den Ende, Henricus T.M., Collins, I   +8 more
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Impact of Wettability Alteration on Recovery Factor

SPE/DGS Saudi Arabia Section Technical Symposium and Exhibition, 2011
Abstract Recovery Factor is one of the key elements in determining commercial viability of hydrocarbon fields. It has been recognized that the recovery factor, apart from other parameters, depends on wettability of the reservoir rocks which in turn affects calculations of other parameters used in the volumetric equation.
openaire   +1 more source

Wettability alterations due to aging in crude oil; wettability and Cryo-ESEM analyses

Journal of Petroleum Science and Engineering, 2003
Abstract Several studies of fluid distribution and wettability on the pore scale have been reported, but to our knowledge, none of them have attempted to obtain quantitative measurements. In this paper, quantitative wettability results from Cryo Environmental Scanning Electron Microscopy (Cryo-ESEM) are reported and compared to wettability ...
E. Kowalewski, T. Boassen, O. Torsaeter
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Effect of a nanoparticle on wettability alteration and wettability retainment of carbonate reservoirs

Journal of Petroleum Science and Engineering, 2022
Yue Shi, Xuezhen Wang, Kishore Mohanty
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Wettability alteration in chalk

Journal of Petroleum Science and Engineering, 2000
Dag C Standnes, Tor Austad
openaire   +1 more source