| 渤海油田注水井多效复合酸解堵技术应用研究 |
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| 引用本文： | 孟祥海,夏光,赵鹏,肖丽华,苑玉静,黄利平. 渤海油田注水井多效复合酸解堵技术应用研究[J]. 石油地质与工程, 2020, 34(1): 124-126. DOI: 10.3969/j.issn.1673-8217.2020.01.028 |
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| 作者姓名： | 孟祥海 夏光 赵鹏 肖丽华 苑玉静 黄利平 |
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| 作者单位： | 中海石油(中国)有限公司天津分公司,天津 300452;中海油能源发展股份有限公司工程技术分公司,天津 300452 |
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| 摘 要： | 渤海油田注水井在注水过程中普遍存在储层堵塞,导致注入压力高,注水量达不到配注要求。针对渤海油田注水井存在的问题,经过室内实验,研发出了一种新型BDF–01多效复合酸液体系,该体系在渤海油田3口注水井中采用单步法施工工艺进行了现场应用。应用结果表明,该体系酸化后视吸水指数是酸化前的1.9~3.8倍,取得了良好的解堵效果。
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| 关 键 词： | 渤海油田 注水井 复合酸 解堵 |
Application of multi-effect compound acid plugging removal technology in water injection wells of Bohai oilfield |
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| MENG Xianghai,XIA Guang,ZHAO Peng,XIAO Lihua,YUAN Yujing,HUANG Liping. Application of multi-effect compound acid plugging removal technology in water injection wells of Bohai oilfield[J]. Petroleum Geology and Engineering, 2020, 34(1): 124-126. DOI: 10.3969/j.issn.1673-8217.2020.01.028 |
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| Authors: | MENG Xianghai XIA Guang ZHAO Peng XIAO Lihua YUAN Yujing HUANG Liping |
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| Affiliation: | ,Tianjin Company, CNOOC (China) Co., Ltd.,Engineering Technology Company of CNOOC Energy Development Co., Ltd. |
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| Abstract: | Reservoir blockage is common in the process of water injection in Bohai oilfield, which leads to high injection pressure and insufficient water injection requirements. Aiming at the problems existing in the injection wells of Bohai oilfield, a new BDF-01 multi-effect compound acid system was developed through laboratory experiments. The system was applied on the site of 3 injection wells in Bohai oilfield. After acidification, the apparent water absorption index was 1.9～3.8 times higher than that before acidification, and a good plugging effect was obtained. |
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| Keywords: | Bohai oilfield water injection well compound acid plug removal |
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