| 微胶囊包裹化学生热体系与压裂液的配伍性研究 |
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| 引用本文： | 吴金桥,刘晓娟,吴新民,张宁生. 微胶囊包裹化学生热体系与压裂液的配伍性研究[J]. 西安石油大学学报(自然科学版), 2005, 20(2): 52-54 |
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| 作者姓名： | 吴金桥 刘晓娟 吴新民 张宁生 |
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| 作者单位： | 1. 西安交通大学,能源与动力工程学院,陕西,西安,710049
2. 西安石油大学,石油工程学院,陕西,西安,710065 |
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| 基金项目： | CNPC石油科技中青年创新基金(2001CX-19) |
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| 摘 要： | 讨论了NH4Cl-NaNO2-草酸微胶囊(反应催化剂)生热体系与羟丙基瓜尔胶压裂液的配伍性.研究结果表明,草酸微胶囊、破胶剂、生热剂等与压裂液复配后,压裂液的初始黏度有所降低,在170 s 1下剪切2 h后黏度能保持在300 mPa·s左右,体系的稳定性及抗剪切性能都保持较好,说明微胶囊包裹化学生热体系与该压裂液有很好的配伍性.
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| 关 键 词： | 压裂液 微胶囊 氯化氨 亚硝酸钠 化学生热剂 配伍性 |
| 文章编号： | 1673-064X(2005)01-0052-03 |
| 修稿时间： | 2004-08-26 |
Study on the compatibility of encapsulated heat- generating agent system with hydrofracturing fluid |
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| WU Jin-qiao,LIU Xiao-juan,WU Xin-min,ZHANG Ning-sheng. Study on the compatibility of encapsulated heat- generating agent system with hydrofracturing fluid[J]. Journal of Xian Shiyou University, 2005, 20(2): 52-54 |
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| Authors: | WU Jin-qiao LIU Xiao-juan WU Xin-min ZHANG Ning-sheng |
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| Affiliation: | WU Jin-qiao~1,LIU Xiao-juan~2,WU Xin-min~2,ZHANG Ning-sheng~2 |
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| Abstract: | The compatibility of ammonium chloride-sodium nitrite-oxalic acid microcapsule (catalyst of reaction) heat-generating system with hydroxypropyl guar hydrofracturing fluid is studied. It is shown that when oxalic acid microcapsule, gel-breaker and heat-generating agents compound with the hydrofracturing fluid, the viscosity of hydrofracturing fluid system reduces a little, and its final viscosity keeps about 300 mPa·s after it is sheared 2 h at the rate of 170s~(-1). The result indicates that the encapsulated heat-generating agent-hydrofractuing fluid system is stable, and it has a good shearing resistance; they have a good compatibility. |
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| Keywords: | hydrofracturing fluid microcapsule ammonium chloride sodium nitrite chemical heat-generating agent compatibility |
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