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The application of Membrane filtration technology in Polymer profile control and flooding

Authors： LIU Qingyu, DAI Yong, YANG Zhidong, LIANG Aiguo, LUO Yue

Units：

KeyWords： Nanofiltration Ultrafiltration Hongshanzui oil field SRB high metal ion viscosity

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2012,32(3):70-74

Abstract：

Water quality has a great impact on the polymer deep profile control and flooding, in the water system of Polymer profile control and flooding in Hongshanzui oil field red 18 well, Ca2+/Mg2+: 670mg/L, Fe2+：5.8-67.2mg/L, suspended solids：14.6-125.3mg/L, SRB：6.0x102 ~2.5×105 in 1ml.They were greatly exceeded.Polymer can not be transferred into gel on the scene, which seriously affect the effect of profile control and flooding.Studies have shown that application of membrane filter device processing the water of 0034 well which is on the scene to prepare polymer, it could remove 94.6% of suspended solids、98.7% of SRB after the finefilter; remove all remaining suspended solids and bacteria after ultrafiltration; remove 32.4% of NaCl and 90.54% of Ca2+、Mg2+ and other divalent ions after nanofiltration.Use the water which through ultrafiltration, nanofiltration purified to prepare polymer，then its viscosity、stability, etc. are greatly improved and fully meet the requirements of the polymer profile control and flooding.The effcet of Nanofiltration is best, the application of nanofiltration water to prepare polymer on the scene and then to polymer profile control and flooding,polymer and crosslinking agent were reduced by 13.3% and 10%,it protects the effect of polymer profile control and flooding also has some economic benefits.

Funds：

新疆油田重点科研 “红山嘴油田红18井区改善注水效果技术研究”项目产出论文

AuthorIntro：

刘清云（1964-），男，湖北荆州，副教授，自1986年以来一直在原江汉石油学院、现长江大学工作，主要从事教学及油田应用化学研究。通讯联系E-mail：liu98845@163.com

Reference：

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