Precipitation/redissolution phenomena in sulfonate/AlCl/sub 3/ solutions
Conference
·
· Soc. Pet. Eng. AIME, Pap.; (United States)
OSTI ID:6077709
The interaction of surfactants with multivalent ions such as Ca/sup 2 +/, Mg/sup 2 +/, and Al/sup 3 +/ can lead to their precipitation and, consequently, to surfactant loss in micellar flooding systems. Investigation of the precipitation behavior of CaCl/sub 2/, MgCl/sub 2//Na- dodecylbenzenesulfonate and Na-dodecylsulfonate systems showed that the precipitation of multivalent ions occurred in certain surfactant concentration regions and the precipitate redissolved upon increasing the surfactant concentration. In this study, the precipitation behavior of AlCl/sub 3/-Na-dodecylbenzenesulfona dodecylsulfonate systems and their pH dependence are discussed. AlCl/sub 3/-sulfonate systems similar to CaCl/sub 2/ systems exhibited precipitation/redissolution behavior and the redissolution was found to be caused by micellar solubilization. The sulfonate precipitation behavior was markedly influenced by the system pH. Results indicate that the competition among sulfonate monomers, micelles and hydroxyl ions for Al species control the system behavior. A quantitative model has been developed for the pH dependence of precipitation/redissolution. 11 references.
- OSTI ID:
- 6077709
- Report Number(s):
- CONF-8306242-
- Conference Information:
- Journal Name: Soc. Pet. Eng. AIME, Pap.; (United States) Journal Volume: SPE-11796
- Country of Publication:
- United States
- Language:
- English
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· Soc. Pet. Eng. AIME, Pap.; (United States)
·
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
ALKALINE EARTH METAL COMPOUNDS
ALUMINIUM CHLORIDES
ALUMINIUM COMPOUNDS
CALCIUM CHLORIDES
CALCIUM COMPOUNDS
CALCIUM HALIDES
CHLORIDES
CHLORINE COMPOUNDS
DISSOLUTION
ENERGY SOURCES
ENHANCED RECOVERY
ESTERS
FLUID INJECTION
FOSSIL FUELS
FUELS
HALIDES
HALOGEN COMPOUNDS
MAGNESIUM CHLORIDES
MAGNESIUM COMPOUNDS
MICELLAR SYSTEMS
MICROEMULSION FLOODING
MISCIBLE-PHASE DISPLACEMENT
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PETROLEUM
PETROLEUM SULFONATES
PH VALUE
PRECIPITATION
RECOVERY
SEPARATION PROCESSES
SULFONATES
SULFONIC ACID ESTERS
SURFACTANTS
WELLS
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
ALKALINE EARTH METAL COMPOUNDS
ALUMINIUM CHLORIDES
ALUMINIUM COMPOUNDS
CALCIUM CHLORIDES
CALCIUM COMPOUNDS
CALCIUM HALIDES
CHLORIDES
CHLORINE COMPOUNDS
DISSOLUTION
ENERGY SOURCES
ENHANCED RECOVERY
ESTERS
FLUID INJECTION
FOSSIL FUELS
FUELS
HALIDES
HALOGEN COMPOUNDS
MAGNESIUM CHLORIDES
MAGNESIUM COMPOUNDS
MICELLAR SYSTEMS
MICROEMULSION FLOODING
MISCIBLE-PHASE DISPLACEMENT
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PETROLEUM
PETROLEUM SULFONATES
PH VALUE
PRECIPITATION
RECOVERY
SEPARATION PROCESSES
SULFONATES
SULFONIC ACID ESTERS
SURFACTANTS
WELLS