Search Results - "KOVSCEK, A. R"

Geologic storage of carbon dioxide and enhanced oil recovery. II. Cooptimization of storage and recovery by Kovscek, A.R., Cakici, M.D.

“…Geologic sequestration of carbon dioxide (CO 2) in oil and gas reservoirs is one possibility to reduce the amount of CO 2 released to the atmosphere. Carbon…”
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Consistency Measures for Isoconversional Interpretation of In-Situ Combustion Reaction Kinetics by Chen, B, Castanier, L. M, Kovscek, A. R

“…The reaction kinetics of an in situ combustion process were studied via ramped temperature oxidation within a kinetic cell system. A methodology is established…”
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Emerging challenges and potential futures for thermally enhanced oil recovery by Kovscek, A.R.

“…Thermal recovery, and specifically steam injection, is arguably the most successful technique for enhancing oil recovery implemented to date. Heat thins heavy…”
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A micromodel investigation of two-phase matrix-fracture transfer mechanisms by Rangel-German, E.R, Kovscek, A.R

“…Micromodels employing a two-dimensional representation of pore space were used to observe directly (via microscope) water imbibition into a matrix and…”
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Fines migration and compaction in diatomaceous rocks by Lagasca, J.R.P., Kovscek, A.R.

“…Reservoir rocks typically have clay and other fine material attached to pore surfaces. Fines mobilization is advantageous in that the removal of fines from…”
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Trapped gas fraction during steady-state foam flow by TANG, G.-Q, KOVSCEK, A. R

“…Trapped or stationary gas contributes significantly to the extent of gas mobility reduction for aqueous foams. Simultaneous measurements of effluent bubble…”
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Estimation of dynamic relative permeability and capillary pressure from countercurrent imbibition experiments by SCHEMBRE, J. M, KOVSCEK, A. R

“…Direct laboratory measurements of in situ water-phase saturation history are used to estimate relative permeability and capillary pressure functions. The…”
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High Resolution Imaging of Unstable, Forced Imbibition in Berea Sandstone by Tang, G.-Q., Kovscek, A. R.

“…An experimental investigation is presented of immiscible, high-mobility ratio forced imbibition in a representative linear homogeneous sandstone. Water floods…”
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Geologic storage of carbon dioxide and enhanced oil recovery. I. Uncertainty quantification employing a streamline based proxy for reservoir flow simulation by Kovscek, A.R., Wang, Y.

“…Carbon dioxide (CO 2) is already injected into a limited class of reservoirs for oil recovery purposes; however, the engineering design question for…”
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SCREENING CRITERIA FOR CO2 STORAGE IN OIL RESERVOIRS by Kovscek, A. R.

“…Oil fields are likely to the first category of geologic formation where carbon dioxide (CO 2 ) is injected for sequestration on a large scale, if geologic…”
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Foam mobility in heterogeneous porous media: (I: Scaling concepts) by KOVSCEK, A. R, BERTIN, H. J

“…Foamed-gas injection is a promising technique for achieving mobility control and diverting fluid to low permeability strata within heterogeneous porous media…”
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Modification of heavy-oil rheology via alkaline solutions by Zhao, R.B., Tang, G.Q., Kovscek, A.R.

“…Hamaca (Orinoco Belt, Venezuela) is considered here as a typical viscous and heavy oil whose rheology and recovery behavior is potentially modified by diluents…”
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Surfactant concentration and end effects on foam flow in porous media by APAYDIN, O. G, KOVSCEK, A. R

“…Foaming injected gas is a useful and promising technique for achieving mobility control in porous media. Typically, such foams are aqueous. In the presence of…”
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Nonequilibrium effects during spontaneous imbibition by LE GUEN, S. S, KOVSCEK, A. R

“…Accurate models of multiphase flow in porous media and predictions of oil recovery require a thorough understanding of the physics of fluid flow. Current…”
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Spontaneous countercurrent imbibition and forced displacement characteristics of low-permeability, siliceous shale rocks by Takahashi, S., Kovscek, A.R.

“…Enhanced oil production from naturally-fractured low-permeability reservoirs is challenging. Spontaneous countercurrent imbibition in such reservoirs is an…”
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Foam mobility in heterogeneous porous media: (II: Experimental observations) by KOVSCEK, A. R, BERTIN, H. J

“…It is shown experimentally that in situ generation of foam is an effective method for achieving gas mobility control and diverting injected fluid to low…”
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Coupled Transport, Reactivity, and Mechanics in Fractured Shale Caprocks by Murugesu, M. P., Vega, B., Ross, C. M., Kurotori, T., Druhan, J. L., Kovscek, A. R.

“…Shales are low‐permeability caprocks that confine fluid, such as CO2, nuclear waste, and hydrogen, in storage formations. Stress‐induced fractures in shale…”
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Scaling Up FluidFlower Results for Carbon Dioxide Storage in Geological Media by Kovscek, A. R., Nordbotten, J. M., Fernø, M. A.

“…The partial differential equations describing immiscible, but soluble, carbon dioxide (CO 2 ) displacement of brine in saline storage formations are developed…”
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Idealized Shale Sorption Isotherm Measurements To Determine Pore Capacity, Pore Size Distribution, and Surface Area by Holmes, R, Aljamaan, H, Vishal, V, Wilcox, J, Kovscek, A. R

“…One potential method for mitigating the impacts of anthropogenic CO2-related climate change is the sequestration of CO2 in depleted geological gas and oil…”
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Creation of a dual-porosity micromodel for pore-level visualization of multiphase flow by Buchgraber, M., Al-Dossary, M., Ross, C.M., Kovscek, A.R.

“…This paper describes the creation and testing of an etched-silicon micromodel that has the features and characteristics of a dual-porosity pore system…”
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