Research on the viscoelastic scCO 2 foam systems synergistically stabilized by nonionic/zwitterionic mixed surfactants
文献类型：期刊论文
| 作者 | Zheng, Nanxin1,4; Zhu, Jingyi4; Yang, Zhaozhong4; Li, Xiaogang4; Li, Qi1 ; Wen, Yiping1; Chen, Gang2; Su, Hao3
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| 刊名 | COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
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| 出版日期 | 2024-09-20 |
| 卷号 | 697页码:14 |
| 关键词 | ScCO2 foam fluid Synergistic effect Wormlike micelles Foam stabilization mechanism Microstructure |
| ISSN号 | 0927-7757 |
| DOI | 10.1016/j.colsurfa.2024.134462 |
| 英文摘要 | It is generally believed that ionic/zwitterionic surfactants have strong interactions with each other. However, our experiments found that nonionic/ zwitterionic surfactants exhibit strong synergistic effects, which differs from the previous understanding. In this study, a scCO2 foam system stabilized by the synergistic action of alkyl glucoside (APG-10, nonionic surfactant) and erucamide propyl betaine (EAB, zwitterionic surfactant) was constructed. Through the measurement of drainage and coarsening characteristics, surface properties, bulk rheological properties, dynamic light scattering (DLS) and Cryo-scanning electron microscopy (SEM), the stabilizing mechanism of the synergistic action of APG-10 and EAB was revealed for the first time at the macro and micro levels. The results indicate that APG10 and EAB exhibit mixed adsorption at the interface, resulting in a denser molecular arrangement at the interface and enhancing the foaming ability. At 80 degrees C and 8 MPa, compared to the EAB foam system, the drainage half-life of the EAB+APG-10 system increased by 276.9 %, and the Ostwald ripening rate decreased by 62.4 %. Rheological studies have shown that the zero shear viscosity of the EAB+APG-10 system is 6837.8 mPa & sdot;s, with an increase of 44.4 % compared to the EAB system at 80 degrees C. This is believed to be mainly due to the binding of APG-10 to the micellar structure to enhance the entanglement strength of the micelles, aiding in suppressing the expulsion and deformation of foam bubbles. Additionally, the mixed system exhibits larger G' and E', effectively suppressing the expansion and contraction of the liquid film. Finally, the sizes and distributions of micellar aggregates were measured by DLS and Cryo-SEM, confirming the presence of wormlike micelles and their distribution within the liquid film. The results of this work provide theoretical support for the development and application of the novel VES-scCO2 foam fracturing fluid system, which contributes to the efficient extraction of unconventional oil and gas. |
| 资助项目 | National Natural Science Foundation of China General Project[42272176] ; Scientific Research Starting Project of SWPU[2021QHZ035] ; China Postdoctoral Science Foundation[2023M733711] ; Innovative Post- doctoral Research Funding of Hubei Province[2022000171] |
| WOS研究方向 | Chemistry |
| 语种 | 英语 |
| WOS记录号 | WOS:001257503200001 |
| 出版者 | ELSEVIER |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/41802]  |
| 专题 | 中科院武汉岩土力学所 |
| 通讯作者 | Zhu, Jingyi; Yang, Zhaozhong |
| 作者单位 | 1.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Peoples R China 2.Shaanxi Yanchang Petr, Wuqi Oil Prod Plant, Yanan 716000, Shanxi, Peoples R China 3.CNPC Chuanqing Drilling Engn CompanyLtd, Shale Gas Explorat & Dev Dept, Chengdu 610051, Peoples R China 4.Southwest Petr Univ, Natl Key Lab Oil & Gas Reservoir Geol & Exploitat, Chengdu 610500, Sichuan, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zheng, Nanxin,Zhu, Jingyi,Yang, Zhaozhong,et al. Research on the viscoelastic scCO 2 foam systems synergistically stabilized by nonionic/zwitterionic mixed surfactants[J]. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,2024,697:14. |
| APA | Zheng, Nanxin.,Zhu, Jingyi.,Yang, Zhaozhong.,Li, Xiaogang.,Li, Qi.,...&Su, Hao.(2024).Research on the viscoelastic scCO 2 foam systems synergistically stabilized by nonionic/zwitterionic mixed surfactants.COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,697,14. |
| MLA | Zheng, Nanxin,et al."Research on the viscoelastic scCO 2 foam systems synergistically stabilized by nonionic/zwitterionic mixed surfactants".COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 697(2024):14. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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