含聚污水压力式深度过滤工艺模式构建及优化

doi:10.3969/j.issn.1006-396X.2019.04.014

石油化工高等学校学报 ›› 2019, Vol. 32 ›› Issue (4): 85-92.DOI: 10.3969/j.issn.1006-396X.2019.04.014

含聚污水压力式深度过滤工艺模式构建及优化

张宏奇¹，娄玉华²，王志华^3,4，于雪莹³

（1. 大庆油田有限责任公司第三采油厂，黑龙江大庆 163113； 2. 大庆油田工程有限公司，黑龙江大庆 163072； 3. 东北石油大学石油工程学院/黑龙江省石油石化多相介质处理及污染防治重点实验室，黑龙江大庆 163318； 4. 大庆油田有限责任公司博士后科研工作站，黑龙江大庆 163458）

收稿日期:2018-05-25 修回日期:2018-06-28 出版日期:2019-08-20 发布日期:2019-08-28
通讯作者: 王志华（1981⁃），男，博士，教授，博士生导师，从事油气集输工艺理论与技术研究；E⁃mail：zhihua_wang@126.com
作者简介:张宏奇（1973-），男，博士，高级工程师，从事油田地面工程建设规划研究；E-mail：zhanghongqi@petrochina.com.cn
基金资助:
中国博士后科学基金（2017M611349）；黑龙江省博士后科学基金（LBH?Z16037）；中国石油和化学工业联合会科技指导计划（2016?01?04）

Establishment and Optimization of Advanced⁃Filtration Process Pattern for Polymer⁃Flooding Produced Water

Zhang Hongqi¹，Lou Yuhua²，Wang Zhihua^3,4，Yu Xueying³

(1. Oil Recovery Plant No.3 , Daqing Oilfield Company Limited，Daqing Heilongjiang 163113，China ；2.Daqing Oilfield Engineering Company Limited,Daqing Heilongjiang 163072,China ;3. College of Petroleum Engineering / Heilongjiang Key Laboratory of Petroleum and Petrochemical Multiphase Treatment and Pollution Prevention，Northeast Petroleum University，Daqing Heilongjiang 163318，China ；4. Post?Doctoral Research Center，Daqing Oilfield Company Limited， Daqing Heilongjiang 163458，China）

Received:2018-05-25 Revised:2018-06-28 Published:2019-08-20 Online:2019-08-28

摘要/Abstract

摘要： 以对含聚污水进行深度处理、满足回注为思路，数值模拟研究含聚污水经普通处理后进一步开展深度过滤处理的可行性及潜力。通过分析比较过滤流场的油珠及悬浮物粒子聚集分布、过滤出水水质含油与悬浮物质量浓度变化，以及除油率和悬浮物去除率的定量，构建并优化了适合于含聚污水压力式深度过滤的工艺模式。结果表明，“双层级配滤料+三层级配滤料”两级深度过滤工艺模式可依靠水力、界面效应实现进一步截污，再现出稳定的过滤性能，综合除油率和悬浮物去除率分别达到87.78%和87.11%，滤后水质的含油、悬浮物指标均可控制在深度处理水源要求的5 mg/L以内，是含聚污水深度处理的一种潜在过滤工艺模式，为有效应对油田化学驱三次采油开发中的水质问题提供了依据。

关键词: 工艺模式, 深度处理, 级配滤料填设, 流场特征, 含聚污水

Abstract: It was proposed that the advanced⁃treatment of polymer⁃flooding produced water and realized the re⁃injection requirements. The feasibility and potential of further deep filtration treatment of wastewater containing polymer after ordinary treatment were studied by numerical simulation. The available advanced⁃filtration process pattern was established and optimized based on the distribution of oil droplets and suspended solid particles, the concentrations oil and suspended solid in filtered water, and the removal rates of oil and suspended solid. The results indicated that the advanced⁃filtration process pattern with "double graded⁃media + three graded⁃media" could further improve filtration performance depended on hydraulic and interfacial effects. The removal rates of oil and suspended solid reached 87.78% and 87.11%, respectively. The oil content and suspended solids of filtered water were controlled within 5 mg/L required for deep water treatment. This is a potential filtration process model for advanced treatment of polymer⁃containing wastewater, and also provides a basis for effectively dealing with water quality problems in tertiary oil recovery by chemical flooding in oilfields.

Key words: Process pattern, Advanced?treatment, Graded?media filtration, Flow field characteristics, Polymer?flooding produced water

张宏奇，娄玉华，王志华，于雪莹. 含聚污水压力式深度过滤工艺模式构建及优化[J]. 石油化工高等学校学报, 2019, 32(4): 85-92.

Zhang Hongqi，Lou Yuhua，Wang Zhihua，Yu Xueying. Establishment and Optimization of Advanced⁃Filtration Process Pattern for Polymer⁃Flooding Produced Water[J]. Journal of Petrochemical Universities, 2019, 32(4): 85-92.

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含聚污水压力式深度过滤工艺模式构建及优化

Establishment and Optimization of Advanced⁃Filtration Process Pattern for Polymer⁃Flooding Produced Water

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