scholarly journals Screening of mixed surfactant systems: Phase behavior studies and CT imaging of surfactant-enhanced oil recovery experiments

1993 ◽  
Author(s):  
F.M. Llave ◽  
B.L. Gall ◽  
P.B. Lorenz ◽  
I.M. Cook ◽  
L.J. Scott
Keyword(s):  
Phase Behavior ◽  
Enhanced Oil Recovery ◽  
Oil Recovery ◽  
Ct Imaging ◽  
Mixed Surfactant ◽  
Mixed Surfactant Systems ◽  
Surfactant Systems

scholarly journals THE EFFECT OF HARDNESS AND TEMPERATURE ON INTERFACIAL TENSION OF INDIVIDUAL AND MIXED SURFACTANT SYSTEM

2020 ◽  
Vol 2 (1) ◽  
pp. 62-65
Author(s):  
NUR ASYRAF MD AKHIR ◽  
AFIF IZWAN ABD HAMID ◽  
ISMAIL MOHD SAAID ◽  
ANITA RAMLI
Keyword(s):  
Interfacial Tension ◽  
Enhanced Oil Recovery ◽  
Oil Recovery ◽  
Alkyl Ether ◽  
Mixed Surfactant ◽  
Mixed Surfactant System ◽  
Mixed Surfactant Systems ◽  
Surfactant System ◽  
Surfactant Systems ◽  
The Individual

Surfactant flooding is one of the chemical enhanced oil recovery (CEOR) techniques that can be used to improve oil recovery. The surfactant injection reduces the oil-water interfacial tension and mobilizes residual oil towards the producing well. In this paper, the performance of alkyl ether carboxylate (AEC) and calcium lignosulfonate (CLS) in individual and mixed surfactant systems were investigated based on their ability to reduce the interfacial tension through a spinning drop method.   The interfacial tensions of individual and mixed surfactant systems in different brine systems were measured against decane at 25°C and 98°C. The results show that the individual and mixed surfactant systems in 3.5 wt.% NaCl brine has a significant reduction in interfacial tension at 98°C. In contrast, the presence of hardness in 2.5 wt.% NaCl and 1.0 wt.% MgCl2 brine reduces the interfacial tension of the individual AEC surfactant system and mixed surfactant system significantly at 98°C except for the individual CLS system. Meanwhile, the interfacial tension of mixed surfactant system decreases with increasing surfactant concentration in two brine systems and at 98°C. The findings show the significant application of the AEC and CLS surfactant mixture considering the harsh reservoir conditions for the chemical enhanced oil recovery application.

scholarly journals Mixed surfactant systems for enhanced oil recovery

1990 ◽  
Author(s):  
F.M. Llave ◽  
B.L. Gall ◽  
L.A. Noll
Keyword(s):  
Enhanced Oil Recovery ◽  
Oil Recovery ◽  
Mixed Surfactant ◽  
Mixed Surfactant Systems ◽  
Surfactant Systems

Relation of phase behavior to interfacial tensions of mixed surfactant systems

1982 ◽  
Vol 89 (2) ◽  
pp. 441-457 ◽  
Author(s):  
Jorge E Puig ◽  
Elias I Franses ◽  
Wilmer G Miller
Keyword(s):  
Phase Behavior ◽  
Mixed Surfactant ◽  
Interfacial Tensions ◽  
Mixed Surfactant Systems ◽  
Surfactant Systems

Importance of lignosulfonates in petroleum recovery operations

1981 ◽  
Vol 59 (13) ◽  
pp. 1938-1943 ◽  
Author(s):  
Graham Neale ◽  
Vladimir Hornof ◽  
Christopher Chiwetelu
Keyword(s):  
Crude Oil ◽  
Oil Recovery ◽  
Phase Behaviour ◽  
Oil Fields ◽  
Potential Importance ◽  
Mixed Surfactant ◽  
Interfacial Tensions ◽  
Mixed Surfactant Systems ◽  
Petroleum Sulfonate ◽  
Surfactant Systems

This paper reviews the potential importance of aqueous lignosulfonate solutions in the recovery of petroleum from existing partially depleted oil fields. The surfactant qualities of lignosulfonates are described and their ability to interact synergistically with petroleum sulfonate surfactants (which are currently popular in the industry) to produce ultra-low interfacial tensions with crude oil is discussed. The phase behaviour characteristics and oil recovery efficacies of these mixed surfactant systems are also examined.

Phase Behavior and Microstructure of Liquid Crystals in Mixed Surfactant Systems

ChemInform ◽  
2006 ◽  
Vol 37 (12) ◽  
Author(s):  
Carlos Rodriguez ◽  
Hironobu Kunieda
Keyword(s):  
Liquid Crystals ◽  
Phase Behavior ◽  
Mixed Surfactant ◽  
Mixed Surfactant Systems ◽  
Surfactant Systems

A New Method for Studying Phase Behavior of Enhanced Oil Recovery Surfactant Systems

1989 ◽  
Author(s):  
D.H. Smith ◽  
G.L. Covatch
Keyword(s):  
Phase Behavior ◽  
Enhanced Oil Recovery ◽  
Oil Recovery ◽  
New Method ◽  
Surfactant Systems

Temperature-induced vesicle to micelle transition in cationic/cationic mixed surfactant systems

Soft Matter ◽  
2015 ◽  
Vol 11 (45) ◽  
pp. 8848-8855 ◽  
Author(s):  
Yanjuan Yang ◽  
Lifei Liu ◽  
Xin Huang ◽  
Xiuniang Tan ◽  
Tian Luo ◽  
...  
Keyword(s):  
Mixed Surfactant ◽  
Mixed Surfactant Systems ◽  
Surfactant Systems

Realization of the vesicle to micelle transitions in cationic/cationic mixed surfactant systems by temperature stimuli.

Adsorption and coalescence in mixed surfactant systems: Water−hydrocarbon interface

2010 ◽  
Vol 65 (14) ◽  
pp. 4141-4153 ◽  
Author(s):  
S.M. Reddy ◽  
Pallab Ghosh
Keyword(s):  
Mixed Surfactant ◽  
Mixed Surfactant Systems ◽  
Surfactant Systems
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