Enhancing Oil Recovery by Low Concentration of Alkylaryl Sulfonate Surfactant without Ultralow Interfacial Tension

2021 ◽  
Author(s):  
Fuxing Zhan ◽  
Lingyan Gong ◽  
Huoxin Luan ◽  
Quansheng Chen ◽  
Guangzhi Liao ◽  
...  
Keyword(s):  
Interfacial Tension ◽  
Oil Recovery ◽  
Alkylaryl Sulfonate ◽  
Low Concentration ◽  
Ultralow Interfacial Tension

Ultralow Interfacial Tension for Enhanced Oil Recovery at Very Low Surfactant Concentrations

Langmuir ◽  
2005 ◽  
Vol 21 (9) ◽  
pp. 3749-3756 ◽  
Author(s):  
Milton J. Rosen ◽  
Hongzhuang Wang ◽  
Pingping Shen ◽  
Youyi Zhu
Keyword(s):  
Interfacial Tension ◽  
Enhanced Oil Recovery ◽  
Oil Recovery ◽  
Ultralow Interfacial Tension

The study of ultralow interfacial tension SiO2-surfactant foam for enhanced oil recovery

2021 ◽  
pp. 109898
Author(s):  
Pattamas Rattanaudom ◽  
Bor-Jier-Ben Shiau ◽  
Jeffrey Harwell ◽  
Uthaiporn Suriyapraphadilok ◽  
Ampira Charoensaeng
Keyword(s):  
Interfacial Tension ◽  
Enhanced Oil Recovery ◽  
Oil Recovery ◽  
Ultralow Interfacial Tension

Effect of Magnetic Iron Core–Carbon Shell Nanoparticles in Chemical Enhanced Oil Recovery for Ultralow Interfacial Tension Region

2019 ◽  
Vol 33 (5) ◽  
pp. 4158-4168 ◽  
Author(s):  
Stefanía Betancur ◽  
Francisco Carrasco-Marín ◽  
Agustín F. Pérez-Cadenas ◽  
Camilo A. Franco ◽  
Jaime Jiménez ◽  
...  
Keyword(s):  
Interfacial Tension ◽  
Enhanced Oil Recovery ◽  
Oil Recovery ◽  
Carbon Shell ◽  
Iron Core ◽  
Shell Nanoparticles ◽  
Ultralow Interfacial Tension

scholarly journals Alkali/Surfactant/Polymer Flooding in the Daqing Oilfield Class II Reservoirs Using Associating Polymer

2013 ◽  
Vol 2013 ◽  
pp. 1-6 ◽  
Author(s):  
Ru-Sen Feng ◽  
Yong-Jun Guo ◽  
Xin-Min Zhang ◽  
Jun Hu ◽  
Hua-Bing Li
Keyword(s):  
Interfacial Tension ◽  
Oil Recovery ◽  
Class Ii ◽  
Polymer Flooding ◽  
Water Flooding ◽  
Hydrophobically Modified ◽  
Wide Range ◽  
Alkylbenzene Sulfonate ◽  
Ultralow Interfacial Tension ◽  
Associating Polymer

Hydrophobically modified associating polyacrylamide (HAPAM) has good compatibility with the Daqing heavy alkylbenzene sulfonate surfactant. The HAPAM alkali/surfactant/polymer (ASP) system can generate ultralow interfacial tension in a wide range of alkali/surfactant concentrations and maintain stable viscosity and interfacial tension for 120 days. The HAPAM ASP system has good injectivity for the Daqing class II reservoirs (100–300 × 10−3 μm2) and can improve oil recovery by more than 25% on top of water flooding. In the presence of both the alkali and the surfactant, the surfactant interacts with the associating groups of the polymer to form more micelles, which can significantly enhance the viscosity of the ASP system. Compared with using HPAM (Mw = 2.5 MDa), using HAPAM can reduce the polymer use by more than 40%.

scholarly journals Studies on a Foam System of Ultralow Interfacial Tension Applied in Daqing Oilfield after Polymer Flooding

2013 ◽  
Vol 2013 ◽  
pp. 1-6 ◽  
Author(s):  
Hong-sheng Liu ◽  
Jing-qin Wang ◽  
Li Yang ◽  
Dong-yang Jiang ◽  
Chang-sen Lv ◽  
...  
Keyword(s):  
Interfacial Tension ◽  
Oil Recovery ◽  
Surfactant Concentration ◽  
Polymer Concentration ◽  
Polymer Flooding ◽  
Reservoir Conditions ◽  
Foam Properties ◽  
Injection Methods ◽  
Ultralow Interfacial Tension ◽  
Flow Experiments

In order to study the effects of oil displacement by a foam system of ultralow interfacial tension, the interfacial activities and foam properties of a nonionic gemini surfactant (DWS) were investigated under Daqing Oilfield reservoir conditions. Injection methods and alternate cycle of the foam system were discussed here on the basis of results from core flow experiments. It was obtained that the surface tension of DWS was approximately 25 mN/m, and ultralow interfacial tension was reached between oil and DWS with a surfactant concentration between 0.05wt% and 0.4wt%. The binary system showed splendid foam performances, and the preferential surfactant concentration was 0.3wt% with a polymer concentration of 0.2wt%. When gas and liquid were injected simultaneously, flow control capability of the foam reached its peak at the gas-liquid ratio of 3 : 1. Enhanced oil recovery factor of the binary foam system exceeded 10% in a parallel natural cores displacement after polymer flooding.

scholarly journals Development of Ultralow Interfacial Tension Lignosulfonate from Kraft Black Liquor for Enhanced Oil Recovery

2021 ◽  
Vol 53 (2) ◽  
pp. 210210
Author(s):  
Muhammad Mufti Azis ◽  
Fergie Febrina ◽  
Ignesti Anindia ◽  
Galuh Almas Darmawati ◽  
Desi Amalia Fenyka ◽  
...  
Keyword(s):  
Interfacial Tension ◽  
Enhanced Oil Recovery ◽  
Oil Recovery ◽  
Large Scale ◽  
Low Cost ◽  
Black Liquor ◽  
Sodium Lignosulfonate ◽  
Kraft Black Liquor ◽  
Chemical Eor ◽  
Ultralow Interfacial Tension

Indonesia aims to implement large-scale enhanced oil recovery (EOR) to increase the national oil production. Chemical EOR is a promising technology to boost the production of old reservoirs with the aid of surfactants and polymers. Thus, the production of low-cost EOR surfactants from local resources with acceptable performance is highly attractive. The objective of the present work was to demonstrate the development of low-cost lignosulfonate surfactant production from kraft black liquor (BL). First, lignin was isolated from black liquor using a novel CO2 bubbling technique, followed by addition of coagulants. Next, sodium lignosulfonate (SLS) was synthesized from the resulting lignin, followed by formulation of SLS with octanol and palm fatty acid distillate (PFAD) soap to obtain an ultralow interfacial tension (IFT) surfactant. The initial IFT value of the SLS solution was already high at 0.7 mN/m. After formulation, the composition SLS:PFAD soap:octanol = 70:22:8 (wt%) improved the IFT value to 3.1 10-3 mN/m. An ultralow IFT in the range of 10-3 mN/m as achieved here fulfills the required IFT value for EOR surfactant.

scholarly journals EFFECT OF OPTIMUM SALINITY?ON MICROEMULSION FORMATION TO ATTAIN ULTRALOW INTERFACIAL TENSION FOR CHEMICAL FLOODING APPLICATION

2018 ◽  
Vol 39 (2) ◽  
pp. 63-69
Author(s):  
Yani Faozani Alli ◽  
Edward ML Tobing
Keyword(s):  
Interfacial Tension ◽  
Oil Recovery ◽  
Surfactant Solution ◽  
Oil Field ◽  
Phase Behaviour ◽  
Major Influence ◽  
Chemical Flooding ◽  
Improved Oil Recovery ◽  
Ultralow Interfacial Tension ◽  
Optimum Salinity

Microemulsion formation in surfactant solution has a major influence on the success of chemical injection techniques, and is one of the enhanced oil recovery methods. Its transparent and translucent homogenous mixtures of oil and water in the presence of surfactant have an ability to displace the remaining oil in the reservoir by reducing interfacial tension between oil and water. In this study, the effect of surfactant solution salinity on the formation of microemulsion and its mechanism to reduce the interfacial tension between water and oil from X oil field in Central Sumatera were carried out through compatibility observation, phase behaviour test and interfacial tension measurements in a laboratory. The results showed that microemulsion formation depends on the salinity of aqueous phase associated with different surfactant solubility by altering the polar area of surfactant. The optimum salinity was obtained with the addition of 0.65% Na2CO3 in which microemulsion was formed and the solubilization ratio of oil and water were equally high. At this condition the ultralow interfacial tension was around 10-3 dyne/cm and enabled improved oil recovery in mature oil fields after waterflooding

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