| 低渗油藏注水井解堵增注技术研究 |
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| 引用本文： | 李积祥,侯洪涛,张丽,田波,毛美丽.低渗油藏注水井解堵增注技术研究[J].特种油气藏,2011,18(3):106-108,141. |
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| 作者姓名： | 李积祥 侯洪涛 张丽 田波 毛美丽 |
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| 作者单位： | 1. 中石化胜利油田分公司,山东东营,257237
2. 东营盛世石油科技有限公司,山东东营,257237 |
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| 基金项目： | 中石化胜利油田分公司桩西采油厂“欠注井深部解堵液体系研究”项目部分内容(K201007) |
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| 摘 要： | 为了解决桩西低渗、特低渗油藏部分注水井注水压力过高(44 MPa)、欠注严重、注水效果差,以及常规酸液体系有效期短、效果差等难题,对砂岩酸-生物活性剂复合降压增注技术进行了室内实验研究。实验结果表明,该项技术具有良好的缓速缓蚀深部解堵功能,其新型活性剂可有效降低表面张力,改变地层润湿性,降压增注。该技术为注水井深部酸化增注提供了可靠的技术保证,对改善低渗、特低渗油田的注水开发效果具有十分重要的意义。
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| 关 键 词： | 低渗油藏 注水开发 砂岩酸 生物活性剂 增注技术 |
Research on block-removal and injection stimulation technology for water injectors in low permeability reservoirs |
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| LI Ji-xiang,HOU Hong-tao,ZHANG Li,TIAN Bo,MAO Mei-li.Research on block-removal and injection stimulation technology for water injectors in low permeability reservoirs[J].Special Oil & Gas Reservoirs,2011,18(3):106-108,141. |
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| Authors: | LI Ji-xiang HOU Hong-tao ZHANG Li TIAN Bo MAO Mei-li |
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| Affiliation: | LI Ji-xiang1,HOU Hong-tao1,ZHANG Li1,TIAN Bo1,MAO Mei-li2(1.Shengli Oilfield Company,SINOPEC,Dongying,Shandong 257237,China,2.Dongying-Shengshi Petroleum Technology Co.,Ltd.,China) |
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| Abstract: | Some water injectors in the Zhuangxi low and extra-low permeability reservoirs are confronted with problems of high injection pressure(44 MPa),under-injection and poor injection response,as well as short life and low efficiency with conventional acid fluid systems.Laboratory experiment has been conducted on compound technology of decompression and augmented injection with sandstone acid-bioactivator.The experiment result indicates that the compound is highly functional as a retarding agent,corrosion inhibit... |
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| Keywords: | low permeability reservoir water flooding sandstone acid bioactivator augmented injection |
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