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1-20 of 79
Keywords: water saturation
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Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (06): 917–926.
Paper Number: SPE-12112-PA
Published: 01 December 1985
... ) . S w ( x,t ) is unknown, and it is the required result of the displacement calculations. According to Eq. 3 , the water-saturation profiles depend on absolute permeability in the presence of capillary forces; they are steeper at lower permeabilities. 5 10 1983 15 11 1984 28 12...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (06): 945–953.
Paper Number: SPE-12116-PA
Published: 01 December 1985
... relationships. We concluded that previous results may have been affected by viscous instabilities, capillary end effects, and/or difficulties in maintaining material balances. irreducible water saturation room temperature experiment water saturation poston end effect temperature effect enhanced...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (04): 521–523.
Paper Number: SPE-12231-PA
Published: 01 August 1985
... 1985 Copyright 1985, Society of Petroleum Engineers spe reservoir engineering tangent welge discontinuity enhanced recovery tangent method fluid dynamics water saturation analytical solution mohsen modification trans reservoir simulation saturation initial saturation...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (01): 89–100.
Paper Number: SPE-11014-PA
Published: 01 February 1985
... microscopically disordered medium to predict large-scale behavior from a knowledge of small-scale dynamics. iteration interface saturation upstream saturation geometry pore space procedure pore fluid dynamics water saturation capillary pressure term saturation timestep equation artificial...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (01): 101–112.
Paper Number: SPE-12125-PA
Published: 01 February 1985
... is trapped in deadend pores or a dendritic nonwetting-phase structure, and cannot be flushed out by a miscible solvent. Stalkup, 8 from several experiments, found that only part of the oil is flowable in the presence of a high water saturation. The remainder resides in locations that are blocked...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 24 (04): 382–390.
Paper Number: SPE-10502-PA
Published: 01 August 1984
... studies of the pressure equation. vector pressure equation fluid dynamics flow vector finite element saturation approximation mesh finite-element approximation linear system global pressure saturation equation water saturation equation saturation map upstream oil & gas...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 24 (02): 224–232.
Paper Number: SPE-11277-PA
Published: 01 April 1984
..., the second method is then better than the first method, although it tends to underpredict relative permeability. Dietrich and Bondor 6 later showed that Stone's second method did not adequately approximate the two-phase data unless the oil relative permeability at connate water saturation, k rocw...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 24 (02): 209–214.
Paper Number: SPE-11589-PA
Published: 01 April 1984
... curve, the confidence intervals are indistinguishable from the true curve for water saturations greater than 0.6. Fig. 1 illustrates that the relative permeabilities can be determined fairly accurately by use of B-splines in the JBN method. It also illustrates that the relative permeabilities...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 24 (01): 65–74.
Paper Number: SPE-11080-PA
Published: 01 February 1984
..., and to a lesser extent, to timestep size. 27 8 1982 8 8 1983 15 1 1983 1 2 1984 1 2 1984 Copyright 1984, Society of Petroleum Engineers water saturation sagd reservoir simulation mole fraction gas phase breakthrough upstream oil & gas primary variable steam...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 23 (06): 928–936.
Paper Number: SPE-10075-PA
Published: 01 December 1983
... permeabilities on samples containing nearly irreducible water saturations and the water permeabilities presented are closer to the Klinkenberg permeability values in low-permeability samples than most previously reported. 18 7 1981 7 6 1983 22 10 1982 1 12 1983 1 12 1983 Copyright...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 23 (03): 447–455.
Paper Number: SPE-10687-PA
Published: 01 June 1983
...D. L. Tiffin; W. F. Yellig Miscible gas flooding using an alternate gas/water injection process (AGWIP) is presently being applied for enhanced oil recovery (EOR) in several waterflooded reservoirs. 1 – 4 A mobile-water saturation in the vicinity of the miscible displacement front can occur...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 23 (01): 42–54.
Paper Number: SPE-9305-PA
Published: 01 February 1983
..., and viscous forces. Both the fracture flow equations and matrix/fracture flow are solved implicitly for pressure, water saturation, gas saturation, and saturation pressure. We present example problems to demonstrate the utility of the model. These include a comparison of our results with previous results...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 22 (05): 647–657.
Paper Number: SPE-9233-PA
Published: 01 October 1982
... of the three parameters have been evaluated as functions of the displacement velocity and of the water saturation within four carbonate cores composed of various amounts of matrix, vug, and fracture porosity. Numerical simulation of a composite core made by stacking three of the individual cores has been...
Journal Articles
The Effect of Interfacial Tensions on Relative Oil/Water Permeabilities of Consolidated Porous Media
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 22 (03): 371–381.
Paper Number: SPE-9783-PA
Published: 01 June 1982
... correlations were developed that relate the imbibition relative permeabilities, apparent viscosity, residual oil, and water saturations to the interfacial tension through the capillary number ( N c = vμ / σ ). They require two empirical, experimentally generated coefficients. The experimental results show...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 22 (02): 193–201.
Paper Number: SPE-9376-PA
Published: 01 April 1982
... engineering, and geological purposes. This paper describes an improved technique that provides a more precise determination of "pore water" to the exclusion of clay water, water of hydration, etc. This, in turn, can improve the accuracy of porosities and associated oil and water saturation values when...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 22 (02): 245–258.
Paper Number: SPE-8997-PA
Published: 01 April 1982
... waterflooding crude oil oil recovery surfactant saturation alkaline flood displacement mobility ratio residual oil saturation chemical flooding methods upstream oil & gas alkaline flooding water saturation mol dm 3 acid enhanced recovery concentration oil production flow in porous media...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 22 (01): 108–116.
Paper Number: SPE-9729-PA
Published: 01 February 1982
... 2 1982 1 2 1982 Copyright 1982, Society of Petroleum Engineers cumulative gas injection saturation relative penneability relative permeability correction water saturation equation permeability gas saturation viscosity intercept fluid dynamics vaporization upstream oil...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 22 (01): 79–86.
Paper Number: SPE-9408-PA
Published: 01 February 1982
... the entire water saturation range. In many of the tests, the presence of flowing polymer or its residual effect during subsequent brine flow had no effect on oil relative permeability. In several tests, polymer contact actually improved oil mobility through increases in oil relative permeability at all...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 20 (06): 508–520.
Paper Number: SPE-7577-PA
Published: 01 December 1980
... o = ½, μ 0 = 12 cp (12 mPa·s). Fluid Dynamics flow rate discontinuity Upstream Oil & Gas Oil saturation profile water hump saturation initial condition flow in porous media Saturation profile water saturation oil water bank propagation hump enhanced recovery...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 18 (05): 355–368.
Paper Number: SPE-6890-PA
Published: 01 October 1978
... to obtain an implicit equation for the oil-phase pressure, an explicit equation for the over-all composition of each hydrocarbon component, an explicit water saturation equation, and explicit oil-gas saturation equations that satisfy thermo-dynamic equilibrium. Equations for oil pressure, water saturation...
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