西南石油大学学报(自然科学版) ›› 2005, Vol. 27 ›› Issue (4): 44-46.DOI: 10.3863/j.issn.1000-2634.2005.04.13

• 油气化学工程与化工 • 上一篇    下一篇

驱油用聚合物PF1的合成与性能评价

刘平德1.2,牛亚斌2,张梅3,   

  1. 1.石油大学(北京),北京 昌平 102249; 2.中国石油勘探开发研究院;3.大庆试油试采公司
  • 收稿日期:2005-03-05 修回日期:1900-01-01 出版日期:2005-08-20 发布日期:2005-08-20

SYNTHESIS AND PERFORMANCE EVALUATION OF COPOLYMERS FLOODING AGENT PFl

L1U Ping-de,NIU Ya-bin,ZHANG Mei   

  1. University of Petroleum,Beijing 102249,China.
  • Received:2005-03-05 Revised:1900-01-01 Online:2005-08-20 Published:2005-08-20

摘要:

鉴于部分水解聚丙烯酞胺在高温、高矿化度油藏中聚合物溶液的增粘作用明显丧失,且柔性链易于剪切降解的缺陷,采用加入增强聚合物链刚性与耐温性的长链疏水单体以及强极性单体的方法,改善聚合物的水溶性与耐温抗盐性,合成了三次采油用聚合物PFI,研究了引发温度对聚合物分子量的影响,以及极性单体、疏水单体的浓度对聚合物在复合盐水溶液中表观粘度的影响,进一步评价了聚合物的抗剪切性当疏水单体与极性单体的含量分别在0.5%、6%及引发温度在11℃时,该聚合物驱油剂PF1具有很好的增粘性与抗剪切性,其性能可满足不同矿化度油藏聚合物驱油要求。

关键词: 聚合物驱, 耐温, 抗盐, 聚合物合成, 单体

Abstract: Owing to poor temperature-tolerance, salt-resistance and anti-shearing of partially hydroyzed polyacrylamide(PHPA) in the reservoir with high temperature and high salinity, the copolymer of acryiamide-N-tetradecyl acrylamide2-acrylamino-2-methyl propane sulfuric acid(PFI) have been synthesized by micellar polymerization method,and the solubility and property of temperature-tolerance and salt-resistance have greatly Been improved. The effect of the polymerization temperature on molecular,the effect of the concentration of hydrophobic monomer and polar monomer on the apparent viscosity of the copolymer in different complex brine have been investigated. The property of anti-shearing of the copolymer has been evaluated. Result show that PFI has good viscosifying actron and property of anti-shearing in different complex brine when the content of the hydrophobic monomer and polar monomer are 0.5% and 6%,respectively,
initiation temperature is 11℃,which could meet the needs of polymer flooding in the reservoir with different temperature and salinity formation.

Key words: polymer flooding, temperature-tolerance, salt-resistance, synthesis, monomer

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