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• W4253309028 abstract "A Novel Ultra-low Interfacial Tension Foam Flooding Agent to Enhance Heavy Oil Recovery Wanli Kang; Wanli Kang China University of Petroleum Search for other works by this author on: This Site Google Scholar Shuren Liu; Shuren Liu China University of Petroleum Search for other works by this author on: This Site Google Scholar Lingwei Meng; Lingwei Meng China University of Petroleum Search for other works by this author on: This Site Google Scholar Dongqing Cao; Dongqing Cao China University of Petroleum Search for other works by this author on: This Site Google Scholar Haiming Fan Haiming Fan China University of Petroleum Search for other works by this author on: This Site Google Scholar Paper presented at the SPE Improved Oil Recovery Symposium, Tulsa, Oklahoma, USA, April 2010. Paper Number: SPE-129175-MS https://doi.org/10.2118/129175-MS Published: April 24 2010 Cite View This Citation Add to Citation Manager Share Icon Share Twitter LinkedIn Get Permissions Search Site Citation Kang, Wanli , Liu, Shuren , Meng, Lingwei , Cao, Dongqing , and Haiming Fan. A Novel Ultra-low Interfacial Tension Foam Flooding Agent to Enhance Heavy Oil Recovery. Paper presented at the SPE Improved Oil Recovery Symposium, Tulsa, Oklahoma, USA, April 2010. doi: https://doi.org/10.2118/129175-MS Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentAll ProceedingsSociety of Petroleum Engineers (SPE)SPE Improved Oil Recovery Conference Search Advanced Search Abstract Foam as a mobility control agent in enhanced oil recovery is becoming more and more attractive. Recently, ASP foam flooding method was proposed, which was based on the mechanism of both lowering interfacial tension to an ultra-low value (10−3mN/m grade) and improving sweep efficiency of displacing fluid. However, the alkali (NaOH or Na2CO3) in the ASP system will bring about scaling in the reservoir and pipelines if the formation water contains a large number of divalent cations such as Ca2+ and Mg2+. Therefore, it is necessary to develop a non-alkali foam flooding system to improve oil recovery.A novel ultra-low interfacial tension foam agent is developed by the combination of surfactant and additives to lower oil-water interfacial tension and the addition of polymer to improve foam stability. Firstly, the concentration of surfactant and non-alkali additives used as the foam agent was determined by interfacial tension contour diagram. Then, the molecular weight and concentration of HPAM to enhance foam stability in the reservoir was screened. The foamability of the formula was measured using airflow method. Furthermore, the effects of temperature, salinity and shearing on the interfacial property and foamability were investigated to know the adaptability of this method to different oilfields. The heavy oil displacement experiments showed that the final oil recovery could be improved approximately 23% initial-oil-in place over waterflood recovery for the heterogenous core model of which permeability variation coefficient is 0.65, more than that of alkaline-surfactant-polymer flooding. Keywords: foam stability, agent, experiment, viscosity, polymer, surfactant, efficiency, interfacial tension, ift, recovery Subjects: Improved and Enhanced Recovery, Chemical flooding methods Copyright 2010, Society of Petroleum Engineers You can access this article if you purchase or spend a download." @default.
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• W4253309028 title "A Novel Ultra-low Interfacial Tension Foam Flooding Agent to Enhance Heavy Oil Recovery" @default.
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