Liquid crystals and microemulsions in oil recovery
Conference
·
· AIChE Symp. Ser.; (United States)
OSTI ID:6682213
Studies of aqueous solutions of petroleum sulfonate and pure anionic surfactants were made using polarizing microscopy, polarized light screening, and viscometry. Liquid crystalline material as found in the composition range of interest for oil recovery. A general pattern of structure variation with salinity was found and related to variations in viscosity. Microemulsions formed when oil is added to these solutions were studied with several techniques. Measurements of phase continuity and drop size with the ultracentrifuge in several systems showed that the surfactant or middle microemulsion phase is oil continuous in some portions of its range of existence and water continuous in others with some other structure as yet unknown in the inversion region. These results are consistent with mechanisms of surfactant phase formation and of the origin of ultralow interfacial tensions which are described. 19 figures.
- Research Organization:
- Carnegie-Mellon Univ., Pittsburgh, PA
- OSTI ID:
- 6682213
- Report Number(s):
- CONF-810417-
- Conference Information:
- Journal Name: AIChE Symp. Ser.; (United States) Journal Volume: 78:212
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
ADDITIVES
ALCOHOLS
ALKALI METAL COMPOUNDS
ALKANES
ANIONS
AQUEOUS SOLUTIONS
AROMATICS
CHARGED PARTICLES
CHLORIDES
CHLORINE COMPOUNDS
COLLOIDS
CRYSTALS
DATA
DECANE
DISPERSIONS
EMULSIONS
ENERGY SOURCES
ENGINEERING
ENHANCED RECOVERY
ESTERS
EXPERIMENTAL DATA
FLUID FLOW
FLUID INJECTION
FLUIDS
FOSSIL FUELS
FUELS
HALIDES
HALOGEN COMPOUNDS
HEXANOLS
HYDROCARBONS
HYDROXY COMPOUNDS
INFORMATION
IONS
LIQUID CRYSTALS
LIQUIDS
MICROEMULSION FLOODING
MICROEMULSIONS
MICROSCOPY
MISCIBLE-PHASE DISPLACEMENT
MIXTURES
MULTIPHASE FLOW
NUMERICAL DATA
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
ORGANOMETALLIC COMPOUNDS
OXYGEN COMPOUNDS
PETROLEUM
PETROLEUM SULFONATES
PHASE STUDIES
PRODUCTION
PROPANOLS
QUANTITY RATIO
RECOVERY
RESERVOIR ENGINEERING
SODIUM CHLORIDES
SODIUM COMPOUNDS
SOLUTIONS
STRUCTURAL CHEMICAL ANALYSIS
SULFATES
SULFONATES
SULFONIC ACID ESTERS
SULFUR COMPOUNDS
SURFACE PROPERTIES
SURFACE TENSION
SURFACTANTS
VISCOSITY
WELLS
020300* -- Petroleum-- Drilling & Production
ADDITIVES
ALCOHOLS
ALKALI METAL COMPOUNDS
ALKANES
ANIONS
AQUEOUS SOLUTIONS
AROMATICS
CHARGED PARTICLES
CHLORIDES
CHLORINE COMPOUNDS
COLLOIDS
CRYSTALS
DATA
DECANE
DISPERSIONS
EMULSIONS
ENERGY SOURCES
ENGINEERING
ENHANCED RECOVERY
ESTERS
EXPERIMENTAL DATA
FLUID FLOW
FLUID INJECTION
FLUIDS
FOSSIL FUELS
FUELS
HALIDES
HALOGEN COMPOUNDS
HEXANOLS
HYDROCARBONS
HYDROXY COMPOUNDS
INFORMATION
IONS
LIQUID CRYSTALS
LIQUIDS
MICROEMULSION FLOODING
MICROEMULSIONS
MICROSCOPY
MISCIBLE-PHASE DISPLACEMENT
MIXTURES
MULTIPHASE FLOW
NUMERICAL DATA
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
ORGANOMETALLIC COMPOUNDS
OXYGEN COMPOUNDS
PETROLEUM
PETROLEUM SULFONATES
PHASE STUDIES
PRODUCTION
PROPANOLS
QUANTITY RATIO
RECOVERY
RESERVOIR ENGINEERING
SODIUM CHLORIDES
SODIUM COMPOUNDS
SOLUTIONS
STRUCTURAL CHEMICAL ANALYSIS
SULFATES
SULFONATES
SULFONIC ACID ESTERS
SULFUR COMPOUNDS
SURFACE PROPERTIES
SURFACE TENSION
SURFACTANTS
VISCOSITY
WELLS