| 含金属离子的聚硅酸用作MMH－膨润土泥浆稀释剂的室内研究 |
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| 引用本文： | 岳钦艳,高宝玉,李学忠. 含金属离子的聚硅酸用作MMH－膨润土泥浆稀释剂的室内研究[J]. 油田化学, 1995, 0(2) |
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| 作者姓名： | 岳钦艳 高宝玉 李学忠 |
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| 作者单位： | 山东大学胶体与界面化学研究所，山东大学环境科学中心，山东大学应化系 |
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| 摘 要： | 通过测定泥浆体系的电性能、流变性、抑制性和粒度分布，研究了含金属离子的聚硅酸（ＰＳＡＭ）对混合金属氢氧化物（ＭＭＩＩ）－膨润土泥浆的稀释作用。结果表明，ＰＳＡＭ对ＭＭＩＩ－膨润土泥浆的稀释能力强，能提高该泥浆体系的抑制性。ＰＳＡＭ的稀释机理为：ＰＳＡＭ产生的带正电二氧化硅颗粒通过静电作用吸附到ＭＭＩＩ－粘土网状结构的粘土颗粒表面，破坏网状结构，释放出大量自由水。
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| 关 键 词： | 含金属离子的聚硅酸，钻井液稀释剂，混合金属氢氧化物－膨润土钻井液，稀释机理 |
LABORATORY INVESTIGATION OF POLYSILICIC ACID CONTAINING METAL ION AS THINNER FOR MMH-BENTONITE MUD |
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| Yue Qin-Yan,. LABORATORY INVESTIGATION OF POLYSILICIC ACID CONTAINING METAL ION AS THINNER FOR MMH-BENTONITE MUD[J]. Oilfield Chemistry, 1995, 0(2) |
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| Authors: | Yue Qin-Yan |
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| Abstract: | The thinning effect of a polysilicic acid containing mental ion (PSAM) on MMH-bentonite mud is investigated experimentally. PSAM is effctive for thinning MMH-bentonite mud only at low use levels. With increasing PSAM concentration in the mud up to 1000 mg/l,the zate potential of bentonite particles increases,the apparent viscosity and yield stress dramatically decrease, the filtration loss increases and the dilathion of Ca-bentonite samples in the mud decreases.With further increasing PSAM all these parameters level out.The thinning mechnizms by PSAM are discussed |
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| Keywords: | polysilicic Acid Containing Metal Ion Thinner for Drilling Fluid MMH-Bentonite Drilling Fluid Thinning Mechanizms |
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