| 高分子表面活性剂驱采出液破乳剂的研制和现场试验 |
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| 引用本文： | 檀国荣,张健,王金本,周继柱.高分子表面活性剂驱采出液破乳剂的研制和现场试验[J].石油与天然气化工,2009,38(5):418-421. |
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| 作者姓名： | 檀国荣 张健 王金本 周继柱 |
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| 作者单位： | 1. 中海石油研究中心
2. 中国科学院化学研究所 |
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| 基金项目： | 国家"973"项目"复杂产出液形成机理及高效分离方法研究"的部分研究成果 |
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| 摘 要： | 针对大庆油田高分子表面活性剂驱试验井的采出液，合成了系列原油破乳剂。在大庆油田采油现场对6种破乳剂进行了试验评价，研究了油基破乳剂和水基破乳剂的配伍性，探讨了加药方式对破乳效果的影响。试验结果表明：单独使用油基破乳剂或水基破乳剂皆不能达到现场生产要求；油基破乳剂YJ01与水基破乳剂具有良好的配伍性，油基破乳剂YJ02与水基破乳剂不配伍；采用先加入油基破乳剂YJ01，5min后再加入水基破乳剂SJ02的加药方式能取得良好的破乳效果，破乳后油相含水率与水相含油率皆达到现场生产指标要求。
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| 关 键 词： | 高分子表面活性剂 水包油型 破乳剂 合成 |
Preparation and Performance Test of Demulsifiers for Daqing Oilfield O/W Crude Oil Emulsion by Poly-Surfactant Flooding |
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| Abstract: | A series of demulsifiers were prepared for Daqing oilfield O/W crude oil emulsion by poly-surfactant flooding, and the performance was tested in field site. Compatibility between oil-based demulsifier and water-based demulsifier, and the influence of dosing way were studied. The results show that: (1) it was not to reach the required standards just by using oil-based demulsifier or water-based demulsifier only; (2) the compatibility between oil-based demulsifier YJ01 and water-based demulsifiers is fine, oil-based demulsifier YJ02 and water-based demulsifiers is poor; (3) it could reach excellent performance when add oil-based demulsifier YJ01 five minutes before adding water-based demulsifier SJ02. |
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| Keywords: | poly-surfactant oil-in-water emulsion demulsifier synthesis |
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