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Keywords: viscosity ratio
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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201429-MS
..., Worawutthichanyakul and Mohanty (2017) and Zhao and Mohanty (2019) studied viscous fingering in drainage processes (a non-wetting fluid displacing a viscous wetting fluid). They observed that at similar viscosity ratio and velocity, recovery is less during drainage than in imbibition, meaning viscous fingering...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181640-MS
... recovery surfactant breakthrough recovery polymer injection displacement recovery profile viscosity ratio Oil Recovery The oils sands in Alberta and Saskatchewan, Canada, contain viscous high density heavy oil in unconsolidated sand deposits. Porosity in these sands is high (often greater...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181508-MS
... dependent on fracture geometry and treatment design parameters such as injection rate, fluid pulsing time, and fluid viscosity ratio. The objective of this study is to extend the numerical investigation and normalize it to develop a treatment design methodology for constructing proppant pillars throughout...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 27–29, 2014
Paper Number: SPE-170717-MS
... coreflood experiments in which the displacement front could be unstable, for instance due to adverse viscosity ratio. The method proposed here modifies the JBN technique, and hence is referred to as modified JBN (MJBN), by including a viscous fingering term (η) in the oil fractional flow. In order...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 30–November 2, 2011
Paper Number: SPE-146612-MS
... viscosity oil injection rate spe 146612 oil viscosity viscosity ratio reservoir optimum conversion time injection injectivity index Steam injection process includes the injection of steam that can be generated at the surface or downhole. The main advantage of downhole generation is to reduce...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 30–November 2, 2011
Paper Number: SPE-146841-MS
... using water, polymer, and alkali-surfactant slugs have been conducted in two-dimensional silicon micromodels to visualize the pore-scale displacement. The viscosity ratio controls the finger structure. As the viscosity ratio increases, the number of growing fingers (or branches) before breakthrough...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 30–November 2, 2011
Paper Number: SPE-143946-MS
... profiles using the self-similarity characteristics inherent in the displacement patterns. For the specific range of flow rates (N c ~10 −7 ) and oil to water viscosity ratios (M~8-400) considered in our experiments, both capillary and viscous forces are important and the displacement shows features similar...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 30–November 2, 2011
Paper Number: SPE-145751-MS
... experiment enhanced recovery spe 145751 pore-throat statistics upstream oil & gas relative permeability throat area network model viscosity ratio non-wetting phase ferer statistics pore network model real rock pore-throat statistics regular pore network model society of petroleum engineers...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–24, 2008
Paper Number: SPE-115763-MS
... & Gas heat transfer limitation Wellhead hydrate plug fraction elevation viscosity ratio tieback olga simulation hydrate formation SPE 115763 Predicting Hydrate Plug Formation in a Subsea Tieback Simon R. Davies SPE, John A. Boxall, Carolyn A, Koh and E. Dendy Sloan SPE, Colorado School...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, November 11–14, 2007
Paper Number: SPE-110202-MS
... of which is associated with an adverse mobility ratio. The adverse mobility ratio across this shock is not very large, about 1.5 to 3.75 in the cases considered. As the viscosity ratio increases, the width of the oil bank decreases and one of the shocks disappears at high viscosity ratio (>10...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, November 11–14, 2007
Paper Number: SPE-110628-MS
... Fluid Dynamics co 2 experimental study injection Upstream Oil & Gas drainage process Bond number rev enhanced recovery invasion percolation relative permeability viscosity ratio flow in porous media displacement capillary number society of petroleum engineers permeability...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–27, 2006
Paper Number: SPE-102138-MS
... viscosity ratio interfacial tension 1 Copyright 2006, Society of Petroleum Engineers This paper was prepared for presentation at the 2006 SPE Annual Technical Conference and Exhibition held in San Antonio, Texas, U.S.A., 24 27 September 2006. This paper was selected for presentation by an SPE Program...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–27, 2006
Paper Number: SPE-102641-MS
... viscosities ranged from 1 to 495 cP. Oil/aqueous phase viscosity ratios were varied by over four orders of magnitude (0.01 to 173.1). Near-linear relationships, with slopes close to one half, between the frontal position and imbibition time on a log-log scale were obtained for both linear and radial counter...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–27, 2006
Paper Number: SPE-102794-MS
... dimensional flow in every time-step to track the development of the flow. In this study, two different kinds of auto-catalytic reactions are considered and the effects of stoichiometry on finger patterns are examined. Finger patterns are analyzed for different values of the viscosity ratio, reaction rate...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–12, 2005
Paper Number: SPE-95902-MS
... capillary pressure imbibition capillary number network modeling non-wetting phase saturation capillary pressure curve drainage viscosity ratio calculation relative permeability flow in porous media upstream oil & gas saturation node fluid dynamics fracture imbibition process...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–12, 2005
Paper Number: SPE-96812-MS
... ratios of unity (a special case of the Mattax and Kyte scaling condition that viscosity ratios be matched). Combinations of mineral oils and aqueous solutions of glycerol were used to obtain matched viscosities ranging from 4 to 172 cp. In all, 25 imbibition data sets are reported for boundary conditions...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 1–4, 2000
Paper Number: SPE-63001-MS
... were performed. The effect of two dimensionless scaling groups, namely gravity number and viscosity ratio, on the displacement behavior was investigated. Based on image analysis, the irregular fingering patterns of the flow visualization experiments were analyzed for fractal characteristics. Results...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–6, 1999
Paper Number: SPE-56676-MS
... This paper was prepared for presentation at the 1999 SPE Annual Technical Conference and Exhibition held in Houston, Texas, 3–6 October 1999. enhanced recovery Fluid Dynamics immiscible displacement Upstream Oil & Gas Saturation profile Injection Rate viscosity ratio flow...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 27–30, 1998
Paper Number: SPE-48959-MS
... viscosity ratio watercut curve simulation filtrate contamination cleanup time filtrate SPE 48959 wety of Petroleum Engineers I A Model to Predict Wireline Formation Tester Sample Contamination A,H, Akram, A.J. Fitzpatrick, F.R. Halford, Schlumberger qht 19S8, Society of Petroleum Engineers, Inc...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 27–30, 1998
Paper Number: SPE-49006-MS
... simtdtaneously in a single fracture. This viscous coupling model leads to simple analytical relationships ktween the relative permeabllities (Kr) and either saturation or fluid velocities. This model also explains the dependence of the non-wetting fluid Kr on the viscosity ratio. Results obtained with this model...

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