Role of crude-oil components in surfactant interaction. [Effect of acids, bases and heavy ends hydrocarbons (alkanes) on the solubilization, optimal salinity and interfacial tension of surfactant systems]
Three crude oils from Bell Creek, Bradford, and Delaware-Childers fields were separated into distillates, acids, bases and heavy ends hydrocarbon. The effect of these components on the solubilization, optimal salinity, and bases shifted the optimal salinity significantly; their effects on the solubilization and interfacial tension are smaller. The bases appear to interact with the sulfonates, causing desorption from the interface, phase separation, and higher interfacial tension. The hydrocarbons, as expected have the strongest influence on the properties studied, due to their high concentration. The importance of the chemical nature and molecular weights of these components was also apparent. Even though the product sigma*/sup 2/..gamma.. is not constant, it was found that there is a definite relation between the solubilization (sigma*) and the interfacial tension (..gamma..). This is true even for such complex compounds as acids and bases. 41 references, 6 figures, 14 tables.
- Research Organization:
- USDOE Bartlesville Energy Technology Center, OK
- OSTI ID:
- 5801999
- Report Number(s):
- DOE/BETC/RI-83/8; ON: DE84001255
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
ALKANES
SALINITY
SOLUBILITY
MICROEMULSION FLOODING
BENCH-SCALE EXPERIMENTS
PHASE STUDIES
PETROLEUM
FRACTIONATION
PETROLEUM DISTILLATES
SURFACE TENSION
SURFACTANTS
BASES
EXPERIMENTAL DATA
INTERFACES
LIQUID COLUMN CHROMATOGRAPHY
MOLECULAR WEIGHT
ORGANIC ACIDS
CHROMATOGRAPHY
DATA
DISTILLATES
ENERGY SOURCES
FLUID INJECTION
FOSSIL FUELS
FUELS
HYDROCARBONS
INFORMATION
MISCIBLE-PHASE DISPLACEMENT
NUMERICAL DATA
ORGANIC COMPOUNDS
PETROLEUM FRACTIONS
SEPARATION PROCESSES
SURFACE PROPERTIES
020300* - Petroleum- Drilling & Production
400301 - Organic Chemistry- Chemical & Physicochemical Properties- (-1987)