石油学报 ›› 2020, Vol. 41 ›› Issue (11): 1434-1444.DOI: 10.7623/syxb202011013

• 综述 • 上一篇    下一篇

高含水油井采出液预分水技术发展现状与展望

陈家庆1, 王强强1, 肖建洪2, 安申法2, 郝金克2, 张明3, 王秀军4, 栾智勇2, 姬宜朋1   

  1. 1. 北京石油化工学院机械工程学院 北京 102617;
    2. 中国石油化工股份有限公司胜利油田分公司石油工程技术研究院 山东东营 257067;
    3. 中海油研究总院有限责任公司工程研究设计院 北京 100027;
    4. 中海油研究总院有限责任公司海洋石油高效开发国家重点实验室 北京 100028
  • 收稿日期:2019-10-11 修回日期:2020-07-04 出版日期:2020-11-25 发布日期:2020-12-11
  • 通讯作者: 陈家庆,男,1970年6月生,1991年获石油大学(华东)学士学位,1997年获石油大学(北京)博士学位,现为北京石油化工学院教授、博士生导师,主要从事油气水多相分离技术、环保设备原理与设计等方面的研究工作。Email:jiaqing@bipt.edu.cn
  • 作者简介:陈家庆,男,1970年6月生,1991年获石油大学(华东)学士学位,1997年获石油大学(北京)博士学位,现为北京石油化工学院教授、博士生导师,主要从事油气水多相分离技术、环保设备原理与设计等方面的研究工作。Email:jiaqing@bipt.edu.cn
  • 基金资助:

    中国石油化工股份有限公司重点科研项目(317013)、北京市高水平创新团队建设计划项目(IDHT20170507)和北京市自然科学基金-北京市教育委员会联合资助项目(CCL202010017026)资助。

Development status and prospect of water pre-separation technology for produced liquid in high water-cut oil well

Chen Jiaqing1, Wang Qiangqiang1, Xiao Jianhong2, An Shenfa2, Hao Jinke2, Zhang Ming3, Wang Xiujun4, Luan Zhiyong2, Ji Yipeng1   

  1. 1. School of Mechanical Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China;
    2. Research Institute of Petroleum Engineering Technology, Sinopec Shengli Oilfield Company, Shandong Dongying 257067, China;
    3. Engineering Research&Design Department, CNOOC Research Institute Company Limited, Beijing 100027, China;
    4. State Key Laboratory of Offshore Oil Exploitation, CNOOC Research Institute Company Limited, Beijing 100028, China
  • Received:2019-10-11 Revised:2020-07-04 Online:2020-11-25 Published:2020-12-11

摘要:

目前国内外不少油田已经进入高含水甚至特高含水开发期,增加油井液量逐渐成为各大油田稳定原油产量的主要措施。对于传统的油气集输处理工艺流程而言,采出水量急剧增加且处理难度加大,导致了原有油气水处理设备利用效率低下、运行能耗大幅提升,因此采出液预分水技术日益受到关注。通过对比分析和系统总结国内外近年来采出液预分水技术的研发应用现状可以看出,目前仍以常规重力沉降分离为主,集成应用离心力场和电场的预分水技术相对较少,且对高含水采出液电场破乳作用机理的认识存在差异。采用基于多场协同作用的高效重力沉降分离和精准电场破乳,实现处理设备的紧凑化是今后预分水技术的发展方向。

关键词: 采出液, 预分水, 重力沉降, 离心分离, 电场破乳

Abstract:

Currently, lots of domestic and overseas oilfields have entered a high water-cut or even super high water-cut development period. Increasing liquid volume of oil wells has gradually become the main measure to stabilize oil production in most oilfields. For the traditional oil and gas gathering process, the amount of produced water increases sharply and thus the difficulty in treatment is also increased, resulting in the low utilization efficiency of the original treatment equipment of oil, gas and water and the significant increase in operation energy consumption. Therefore, the produced water pre-separation technology increasingly receives attention. This paper comparatively analyzes and systematically summarizes the domestic and foreign development and application situation of the produced water pre-separation technology in recent years. It can be seen that the conventional gravity sedimentation separation method is mainly used, and the water pre-separation technology integrating the centrifugal force field and electric field is less used onsite. Additionally, there exist differences in the understanding of the mechanism of emulsion breaking by the electric field of high water-cut produced fluid. Realizing the compactness of treatment equipment by the high-efficiency gravity sedimentation separation and precise demulsification by electric field based on multiple-field synergy is the development direction of water pre-separation technology in future.

Key words: produced fluid, water pre-separation, gravity sedimentation, centrifugal separation, electric demulsification

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