Wells – Processes – With indicating – testing – measuring or locating
Patent
1978-04-12
1979-05-15
Novosad, Stephen J.
Wells
Processes
With indicating, testing, measuring or locating
73611R, 166274, E21B 4322
Patent
active
041543009
ABSTRACT:
Extrema in intensive physical properties in a multicomponent fluid system having at least four components, which system exhibits three phases in equilibrium are located by analyzing each of the three phases or an "averaged" representation of the three phases for the concentration of each of the components and thereafter subjecting the resulting analysis to a Gram-Schmidt Orthogonalization to determine the composition of at least one pseudocomponent which is orthogonal to the other components. By this means it is possible to go more quickly in a direction whereby a property in question changes most rapidly. such techniques have wide applicability in optimizing compositions for a desired intensive property such as interfacial tension. This can be useful in designing surfactant systems for oil recovery, for instance.
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patent: 3467190 (1969-09-01), Dunlap et al.
patent: 3885628 (1975-05-01), Reed et al.
patent: 3981361 (1976-09-01), Healy
patent: 4008768 (1977-02-01), Birk
patent: 4066124 (1978-01-01), Carlin et al.
patent: 4079785 (1978-03-01), Hessert et al.
Fleming, III Paul D.
Vinatieri James E.
Novosad Stephen J.
Phillips Petroleum Company
Suchfield Goerge A.
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