Hydrolytic stability of alkylethoxy sulfates
Journal Article
·
· SPE (Society of Petroleum Engineers) Reserv. Eng.; (United States)
Sulfate surfactants are being proposed by industry for use in moderate-temperature surfactant floods. Sulfates are also being considered by some groups for use in CO/sub 2/ mobility control and surfactant/alkaline floods. Data from this study show that the maximum applicable temperatures for sulfates under these pH conditions are much lower than for neutral pH conditions. Rate equations are derived from Arrhenius data on the basis of observed decomposition mechanisms. The equations are used to calculate surfactant lifetimes and maximum temperature limits at various reservoir conditions. The maximum temperatures and lifetimes are functions of pH and brine composition.
- Research Organization:
- Exxon Production Research and Engineering Co. (US)
- OSTI ID:
- 5409551
- Journal Information:
- SPE (Society of Petroleum Engineers) Reserv. Eng.; (United States), Journal Name: SPE (Society of Petroleum Engineers) Reserv. Eng.; (United States) Vol. 3:1; ISSN SREEE
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
ARRHENIUS EQUATION
BRINES
CARBON DIOXIDE INJECTION
CAUSTIC FLOODING
CHEMICAL COMPOSITION
CHEMICAL REACTION KINETICS
DISPLACEMENT FLUIDS
ENERGY SOURCES
ENHANCED RECOVERY
EQUATIONS
FLUID INJECTION
FLUIDS
FOSSIL FUELS
FUELS
KINETICS
MISCIBLE-PHASE DISPLACEMENT
OIL WELLS
OXYGEN COMPOUNDS
PETROLEUM
PH VALUE
REACTION KINETICS
RECOVERY
RESERVOIR FLUIDS
STIMULATION
SULFATES
SULFUR COMPOUNDS
SURFACTANTS
WATERFLOODING
WELL STIMULATION
WELLS
020300* -- Petroleum-- Drilling & Production
ARRHENIUS EQUATION
BRINES
CARBON DIOXIDE INJECTION
CAUSTIC FLOODING
CHEMICAL COMPOSITION
CHEMICAL REACTION KINETICS
DISPLACEMENT FLUIDS
ENERGY SOURCES
ENHANCED RECOVERY
EQUATIONS
FLUID INJECTION
FLUIDS
FOSSIL FUELS
FUELS
KINETICS
MISCIBLE-PHASE DISPLACEMENT
OIL WELLS
OXYGEN COMPOUNDS
PETROLEUM
PH VALUE
REACTION KINETICS
RECOVERY
RESERVOIR FLUIDS
STIMULATION
SULFATES
SULFUR COMPOUNDS
SURFACTANTS
WATERFLOODING
WELL STIMULATION
WELLS