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Keywords: diagram
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Journal Articles
SPE J. 25 (06): 927–934.
Paper Number: SPE-12893-PA
Published: 01 December 1985
... the effect of viscous fingering is reduced to a minimum. gas injection method miscibility pressure correlation mmp diagram chemical flooding methods equation hydrocarbon gas methane miscibility injection gas correlation enhanced recovery reservoir fluid composition displacement miscible...
Journal Articles
SPE J. 25 (02): 235–254.
Paper Number: SPE-10268-PA
Published: 01 April 1985
... of systems involving oil, a complicated multicomponent fluid, is shown on (pseudo-) ternary diagrams that include phase splits, the direction of the tie-lines between the equilibrium phases on the diagram, and the location of critical points. To determine the ternary phase diagram our strategy here...
Journal Articles
SPE J. 24 (05): 485–497.
Paper Number: SPE-11125-PA
Published: 01 October 1984
...F. M. Orr, Jr.; C. M. Jensen Results of single-contact phase behavior studies for CO 2 /crude-oil mixtures often are presented as pressurecomposition (P-X) phase diagrams. In such diagrams, regions of pressure and CO 2 mole fraction for which more than one phase forms can be identified easily...
Journal Articles
SPE J. 24 (01): 53–55.
Paper Number: SPE-11758-PA
Published: 01 February 1984
... Engineers displacement experiment experiment computer-assisted tomography injection point information saturation distribution diagram cat scan image seyda ayral oil displacement flow in porous media oil recovery process upstream oil & gas tomography cross section fluid dynamics wang...
Journal Articles
SPE J. 23 (04): 669–682.
Paper Number: SPE-10678-PA
Published: 01 August 1983
... 8 1983 Copyright 1983, Society of Petroleum Engineers live crude solubilization parameter optimal salinity phase behavior three-parameter representation pure oil alcohol representation eacn surfactant concentration crude oil diagram surfactant concentration crude alkane...
Journal Articles
SPE J. 23 (03): 486–500.
Paper Number: SPE-8825-PA
Published: 01 June 1983
... viscosity surfactant bank microemulsion phase diagram The phase behavior of surfactant/oil/brine systems for different salinities is shown in Fig. 1 . 1 Figure 1 Types of phase behavior at different salinities. The truncation error of the finite-difference approximation...
Journal Articles
SPE J. 23 (02): 339–348.
Paper Number: SPE-10273-PA
Published: 01 April 1983
... point nitrogen injection recombine cell viscosity chemical flooding methods upstream oil & gas enhanced recovery oil recovery composition displacing phase pvt measurement injection pressure saturation high-pressure nitrogen injection diagram miscibility high pressure nitrogen...
Journal Articles
SPE J. 22 (06): 945–961.
Paper Number: SPE-10062-PA
Published: 01 December 1982
...William R. Rossen; Roger G. Brown; H. Ted Davis; Stephen Prager; L. E. Scriven Phase behavior is the fulcrum at which the chemistry and physics of surfactant and solvent systems govern the engineering and economics of chemical flooding. Salient behavior is represented by pseudoternary diagrams...
Journal Articles
SPE J. 22 (06): 816–830.
Paper Number: SPE-8826-PA
Published: 01 December 1982
... surfactant at temperatures between 24 and 75°C. 21 2 1980 16 8 1982 17 9 1981 1 12 1982 1 12 1982 polymer type upstream oil & gas microemulsion salinity salt concentration xanflood cec enhanced recovery chemical flooding methods viscosity nacl diagram alcohol...
Journal Articles
SPE J. 22 (05): 731–742.
Paper Number: SPE-9806-PA
Published: 01 October 1982
... 5 1982 1 10 1982 1 10 1982 Copyright 1982, Society of Petroleum Engineers co 2 gibb energy curve equilibrium solution gibb energy analysis tangent stationary state composition chemical potential tangent plane diagram composition diagram gibb energy surface...
Journal Articles
SPE J. 22 (02): 259–270.
Paper Number: SPE-8824-PA
Published: 01 April 1982
... concentration—usually decreasing as surfactant concentration decreases, particularly if the brine contains multivalent cations. A salinity-requirement diagram, constructed from phase equilibrium data, expresses quantitatively the dependency of midpoint salinity and the Type III range on surfactant concentration...
Journal Articles
SPE J. 22 (01): 151–156.
Paper Number: SPE-10853-PA
Published: 01 February 1982
... specimens. Fig. 3 shows the "averaged" axial fatigue life of smooth and notched AISI 4130 bar quenched and tempered to HB 217-237. A cyclic stress-strain diagram 6 was constructed for the same material and is shown in Fig. 4 . A strain-life diagram ( Fig. 5 ) was constructed by cycling Type...
Journal Articles
SPE J. 22 (01): 28–36.
Paper Number: SPE-9352-PA
Published: 01 February 1982
...M. Bourrel; C. Chambu; R. S. Schechter; W. H. Wade Surfactant/oil/water phase diagrams have become the most important screening tool used to select microemulsion systems for enhanced oil recovery. The number of phases coexisting at a given salinity, the extent of the single-phase region...
Journal Articles
SPE J. 21 (06): 747–762.
Paper Number: SPE-9351-PA
Published: 01 December 1981
... of the surfactant-rich third phase are extended to satisfy these requirements. An examination of model-generated progressions of ternary phase diagrams enhances understanding of the experimental data and reveals correlations of relative phase volumes (volume uptakes) with location of the mixing point (overall...
Journal Articles
SPE J. 21 (06): 763–770.
Paper Number: SPE-8986-PA
Published: 01 December 1981
... microemulsion region. Studies were conducted on pseudoternary phase diagrams where the pseudocomponents were isopropanol, brine, and a constant ratio of surfactant to hydrocarbon (S/H). Phase boundaries were determined by the titration method developed by Bowcott and Schulman, 1 which was extended to systems...
Journal Articles
SPE J. 21 (05): 581–592.
Paper Number: SPE-8260-PA
Published: 01 October 1981
...Creed E. Blevins; G. Paul Willhite; Michael J. Michnick The three-phase region of the Witco TRS 10–80 sulfonate/nonane/isopropanol (IPA)/2.7% brine system was investigated in detail. A method is described to locate phase boundaries on pseudoternary diagrams, which are slices of the tetrahedron used...
Journal Articles
SPE J. 21 (04): 480–492.
Paper Number: SPE-8813-PA
Published: 01 August 1981
... are interpreted using pseudoternary phase diagrams based on a review of phase behavior data for binary and ternary mixtures of CO 2 with alkanes. Implications for the displacement process of L/L/V phase behavior are examined using a one-dimensional finite difference simulator. Results of the analysis suggest...
Journal Articles
SPE J. 21 (01): 51–62.
Paper Number: SPE-8372-PA
Published: 01 February 1981
... of composition routes and distance/time diagrams. The application of the theory to a surfactant flood is illustrated in a companion paper. 1 If an adsorbed phase is present, its "saturation" S m is the volume occupied by adsorbed components per unit total pore volume. With this definition, in a uniform...
Journal Articles
SPE J. 20 (06): 459–472.
Paper Number: SPE-7580-PA
Published: 01 December 1980
...G. P. Willhite; D. W. Green; D. M. Okoye; M. D. Looney Microemulsions located in a narrow single-phase region on the phase diagram for the quaternary system consisting of nonane, isopropyl alcohol, Witco TRS 10-80 petroleum sulfonate, and brine were used to investigate the effect of phase behavior...
Journal Articles
SPE J. 20 (05): 402–406.
Paper Number: SPE-6675-PA
Published: 01 October 1980
... 1980 1 10 1980 Copyright 1980, Society of Petroleum Engineers concentration phase-volume diagram demulsifier PVT measurement coalescence time salinity Upstream Oil & Gas enhanced recovery emulsion Phase Behavior Coalescence equilibrium state agent oilfield chemistry...

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