大庆石油地质与开发2012，Vol.31Issue(4)：139-143,5.DOI:10.3969/J.ISSN.1000-3754.2012.04.029
超低界面张力泡沫体系抗油砂吸附性能
ABSORPTION-RESISTANT PROPERTY TO OIL SAND FOR THE FOAM SYSTEM WITH ULTRA-LOW INTERFACIAL TENSION
摘要
Abstract
Aiming at the absorption problem of reservoir rocks to ultra-low interfacial tension foaming system, with the help of interfacial tension meter and foam scanner, the interface tension, foam volume and foam stability of the non-ionic Gemini surfactant ( DWS) system adsorbed by Daqing oil sand (not cleaned) and nel sand ( cleaned by solvent extraction) are studied. The experimental results show that DWS's mass fraction is more than 0. 3% , after absorbed for three times by net sand, the ultra-low interfacial tension is still maintained, the foam volume is higher than 150 ml, the foam stability is more than 30 min. And furthermore, after absorbed for one or two times by net sand, the foam stability of DWS increases a bit; after adding polymer ( HPAM) , the interfacial properties and foam stability of DWS are improved, and moreover the denser the concentration of the polymer is, the better the effects are. But the polymer cannt obviously increase the interface and foam properties of DWS after adsorbed by net sand; the interface and foam properties of different foaming agent systems adsorbed by oil sand are poorer than those of the system adsorbed by net sand. Evaluated by the oil sand, the anti-adsorption property of the foaming a-gent is closer to the actual reservoirs, thus the above achievements can possess more practical significance.关键词
非离子Gemini表面活性剂/大庆净砂和油砂/界面张力/起泡体积/泡沫稳定Key words
non-ionic Gemini surfactant/ Daqing net and oil sands/ interfacial tension/ foam volume/ foam stability分类
能源科技引用本文复制引用
刘宏生,于涛,曹瑞波,武力军,高赞,陈昕..超低界面张力泡沫体系抗油砂吸附性能[J].大庆石油地质与开发,2012,31(4):139-143,5.基金项目
中国石油天然气股份有限公司科技重大专项"聚合物驱后提高采收率技术"(2008E-1210). （2008E-1210）
