摘要
采用一种特异酶解决聚合物驱油过程中注聚井堵塞的问题。实验研究了此特异酶对聚合物驱分子量为1400×104聚丙烯酰胺的降解情况,主要讨论了酶的加量、作用时间、温度、矿化度等因素对特异酶降解聚丙烯酰胺的影响,并进行了渗透率恢复实验。实验显示,该特异酶的加量为聚丙烯酰胺浓度的3倍、温度为50℃左右时对聚丙烯酰胺的降解效果较好,并且此特异酶具有一定的抗盐性能。
For polymer injection wells, the plugging during polymer flooding can be solved by a specific enzyme. In this paper, the degradation of PAM with molecular weight of 1400×104 by the enzyme is presented; and the effect of both dosage and action time of the enzyme, temperature and salinity on the degradation is also discussed. Moreover, an experiment of permeability restoration has been passed. The result indicates that the dosage is three times of PAM concentration, and better degrading effect may be obtained around 50 ℃ . This specific enzyme has a certain resistance to salt.
出处
《天然气技术》
2010年第5期62-64,共3页
NATURAL GAS TECHNOLOGY
关键词
特异酶
降解
聚合物驱
聚丙烯酰胺
specific enzyme, degradation, polymer flooding, PAM
作者简介
王娟（1982-），女，助理工程师，从事钻井液技术研究工作。E—mail：frog915@sina．com
