| 水溶性暂堵剂SZD-01性能及应用 |
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| 引用本文： | 夏光,刘春祥,孙林,黄波,刘义刚.水溶性暂堵剂SZD-01性能及应用[J].石油地质与工程,2010,24(1):118-119,121. |
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| 作者姓名： | 夏光 刘春祥 孙林 黄波 刘义刚 |
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| 作者单位： | 1. 中海石油能源发展股份有限公司采油工程研究院,天津塘沽,300452
2. 中海石油(中国)有限公司天津分公司 |
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| 摘 要： | 目前渤海油田多数注水井注水层位存在严重的非均质性,采用常规工艺笼统酸化,酸液进入的只是吸水较好的层,改善的只是个别小层,不吸水或者吸水差的小层改善力度很小,甚至得不到改善。针对这类注水井,采用了暂堵分流酸化技术,研制的水溶性暂堵剂SZD-01,暂堵率大于97%,水溶率大于95%,岩心渗透率恢复率大于95%。通过在渤海油田注水井的应用,证明了该暂堵剂能有效控制不同酸化层位的吸酸强度,调整地层吸水比例以达到均匀吸水。
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| 关 键 词： | 注水井 酸化 暂堵剂 水溶率 渤海油田 |
Water - soluble temporary blocking agent SZD-01 properties and application |
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| Xia Guang et aKProduction Engineering Research Institute,Energy Development Co. Ltd.,CNOOC,Tanggu,Tianjin.Water - soluble temporary blocking agent SZD-01 properties and application[J].Petroleum Geology and Engineering,2010,24(1):118-119,121. |
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| Authors: | Xia Guang et aKProduction Engineering Research Institute Energy Development Co Ltd CNOOC Tanggu Tianjin |
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| Affiliation: | Xia Guang et aKProduction Engineering Research Institute,Energy Development Co. Ltd.,CNOOC,Tanggu,Tianjin 300452) |
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| Abstract: | Up to now,serious heterogeneity has existed in the ma-jority of the Bohai oilfield water injection wells injecting layers. Using conventional technology general acidification,acid only enters to the better absorbent layer,which improved only a few small layers,non-absorbent layers orlow absorbent layers have small or even no improvement. Temporary shunt plugging acidification technology has been applied for such injection wells. Water-soluble temporaryblocking agent SZD-01,temporarily blocking the rate of m... |
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| Keywords: | injection wells acidification temporary blocking agent water-soluble rate Bohai oilfield |
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