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1-18 of 18
Keywords: heterogeneity
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Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (06): 909–916.
Paper Number: SPE-12585-PA
Published: 01 December 1985
... where the rock properties first change may be approximately determined. The effect of heterogeneities on the pressure-drop profile is demonstrated with analytical solutions and laboratory experiments. I is a number that depends only on the relative permeabilities, viscosity ratio, and critical...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 24 (03): 294–306.
Paper Number: SPE-11140-PA
Published: 01 June 1984
...Tatiana D. Streltsova; Richard M. McKinley For a heterogeneous reservoir, the shape of a buildup curve is strongly dependent on the length of the preceding flow period. Therefore, in exploration well testing, where the flow period is usually short, modification of the pressure buildup pattern...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 23 (02): 311–326.
Paper Number: SPE-10681-PA
Published: 01 April 1983
...Ioannis Chatzis; Norman R. Morrow; Hau T. Lim Experimental results are presented that demonstrate the effect on residual oil, under water-wet conditions, of particle size, particle-size distribution, macroscopic and microscopic heterogeneities, microscopic dimensions such as ratio of pore-body...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 19 (01): 15–28.
Paper Number: SPE-6720-PA
Published: 01 February 1979
...P.M. Sigmund; F.G. McCaffery With typical heterogeneous carbonate coresamples, large uncertainties of unknown magnitudecan occur in the relative permeabilities derived using different methods. This situation can beimproved by analyzing the recovery and pressureresponse to two-phase laboratory...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 17 (03): 228–246.
Paper Number: SPE-5721-PA
Published: 01 June 1977
... approximation accuracy miscible displacement coefficient grid quadrature variational method dispersion level dispersion coefficient chemical flooding methods displacement heterogeneity variational model matrix dispersion equation Development and Application of Variational Methods...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 12 (04): 352–361.
Paper Number: SPE-4162-PA
Published: 01 August 1972
... with fully developed viscous fingers. Since the authors oil recovery predictions are too optimistic for any given degree of heterogeneity, but decrease with increasing heterogeneity, Simon and Kelsey have attributed too great a degree of heterogeneity to some of the laboratory models involved in previously...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 12 (04): 289–296.
Paper Number: SPE-3040-PA
Published: 01 August 1972
.... Oil is more likely to become trapped in a bulge when a pore neck is small compared with the adjacent bulge. Since necks and bulges are _in sequential arrangement, a (re, r~) is a measure of the sequential type of pore heterogeneity of the sample on a micro scale. So is the pair of functions (3 (r...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 12 (04): 345–351.
Paper Number: SPE-3482-PA
Published: 01 August 1972
...Ralph Simon; F.J. Kelsey Part II of this series extends the network technique to all miscible displacement mobility ratios and introduces a heterogeneity factor called H. As a result, the network model can be used to study the general miscible displacement case, i.e., miscible displacements...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 11 (02): 99–112.
Paper Number: SPE-3068-PA
Published: 01 June 1971
... to model the interconnected network of pores in a reservoir rock. A method is presented for defining the heterogeneity of a presented for defining the heterogeneity of a network of tubes based on tube-size and tube-location distribution functions. A technique is described for constructing a network whose...
Journal Articles
Numerical Investigation of the Effects of Core Heterogeneities on Waterflood Relative Permeabilities
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 10 (04): 381–392.
Paper Number: SPE-2874-PA
Published: 01 December 1970
...John D. Huppler Numerical simulation techniques were used to investigate the effects of common core heterogeneities upon apparent waterflood relative-permeability results. Effects of parallel and series stratification, distributed high and low permeability lenses, and vugs were considered...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 10 (02): 181–191.
Paper Number: SPE-2569-PA
Published: 01 June 1970
... is homogeneous. This paper examines the effects of areally distributed heterogeneities on pulse-test values. An influence area is first developed for a pulse-tested well pair; only those heterogeneities pulse-tested well pair; only those heterogeneities within this area significantly affect pulse-test results...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 8 (04): 347–350.
Paper Number: SPE-2055-PA
Published: 01 December 1968
...R.W. Parsons When a displacement front encounters an isolated permeability heterogeneity, it will be perturbed permeability heterogeneity, it will be perturbed The details of this perturbation will depend on the heterogeneity size and shape, the permeability contrast, and the mobility ratio...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 5 (01): 1–5.
Paper Number: SPE-1010-PA
Published: 01 March 1965
... to radial and multi-directional flow. The experimental work involving multi-directional flow generally has been related to problems other than the extent of the transition zone and the fluid distribution therein, except for some cases where viscous fingering or heterogeneity of the porous media were...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 4 (04): 307–316.
Paper Number: SPE-999-PA
Published: 01 December 1964
...R.A. Greenkorn; R.E. Haring; Hans O. Jahns; L.K. Shallenberger This paper is a study of the effects of heterogeneity on flow in an analog of porous media, the Hele-Shaw model. A set of experiments in heterogeneous Hele-Shaw models showed streamlines through and around heterogeneities of various...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 4 (03): 215–230.
Paper Number: SPE-648-PA
Published: 01 September 1964
...Joseph E. Warren; Francis F. Skiba An idealized miscible displacement process in a three-dimensional, heterogeneous porous medium has been studied via experimental computation based on a "Monte Carlo" model. The macroscopic dispersion which results solely from variations in the permeability...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 4 (02): 124–132.
Paper Number: SPE-788-PA
Published: 01 June 1964
... general case of heterogeneous anisotropic porous media. In this case, the permeability tensor is made up of two components: anisotropy (variation around a point) which correlates with bedding, and heterogeneity (variation from point- to-point) which correlates with grain size. Introduction Previous...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 3 (02): 145–154.
Paper Number: SPE-450-PA
Published: 01 June 1963
... on how fingering looks and how it is affected by viscosity ratio, geometry, and slug size. Peaceman and Rachford suggested a mathematical approach to the prediction of unstable miscible displacements in relatively homogeneous sand packs, but their work cannot be extended conveniently to heterogeneous...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 1 (03): 153–169.
Paper Number: SPE-1579-G
Published: 01 September 1961
...J.E. Warren; H.S. Price Techniques for studying the performance characteristics of heterogeneous reservoirs have been developed. The effect of permeability variation on both the steady-state and the transient flow of a single fluid has been investigated. Limited comparisons with field...