西南石油大学学报(自然科学版) ›› 2006, Vol. 28 ›› Issue (1): 68-70.DOI: 10.3863/j.issn.1000-2634.2006.01.019

• 油气化学工程与化工 • 上一篇    下一篇

NNMB/NAPS二元体系与原油界面张力研究

杨燕1 蒲万芬2 刘永兵2 周明1 胡星琪3   

  1. (西南石油大学:1.材料科学与工程学院,2.石油工程学院,3.化学工程学院,四川成都610500)
  • 收稿日期:2005-01-04 修回日期:1900-01-01 出版日期:2006-02-20 发布日期:2006-02-20
  • 通讯作者: 杨燕

STUDY OF INTERFACIAL TENSION BETWEEN NNMB/NAPS BINARY SYSTEM AND CRUDE OIL

YANG Yan 1 PU Wan-fen2 LIU Yong-bing2 et al.


  

  1. (Southwest Petroleum Institute, Chengdu Si-chuan 610500, China)
  • Received:2005-01-04 Revised:1900-01-01 Online:2006-02-20 Published:2006-02-20
  • Contact: YANG Yan

摘要: 室内在模拟中原油田油藏温度条件下研究了双子表面活性剂NNMB与疏水缔合聚合物NAPS二元复合体系与原油的界面张力。考察了NNMB、NAPS、NaCI对二元体系/原油界面张力的影响。结采表明:NAPS对NNMB溶液界面张力值没有明显的影响;NNMB/NAPS二元体系中加入一定量的氛化钠,可以增加表面活性剂降低界面张力的效率;该体系与原油间的最低瞬态界面张力均低至 10-3mN/m。这种新型二元体系对于高矿化度油藏提高原油采收率
具有很大的应用前景。

.

关键词: 双子表面活性剂, 疏水缔合聚合物, 界面张力, 二元复合驱, 提高采收率

Abstract: Based on the choice of NNMB/NAPS as a new binary sys-tem, the interfacial tension between NNMB/NAPS binary system and crude oil has been studied under imitating conditions of Zhongyuan oilfield, including effects of thickness of NNMB,NAPS and NaCI on the interfacial tension. Results show that NAPS has no obvious effect on the interfacial tension NNMB so-lution,adding NaCI toNNMB/NAPS binary system helps surfactent reduce interfacial tension,the interfacial tension betweenNNMB/NAPS binary system andcrude oil is as low as10-3 mN/m. The new kind of binary system has wide application prospect
in enhancing oil recovery of high-salty reservoir.

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