| HP（DMDAAC／AM）对MMA－膨润土泥浆体系的稀释作用 |
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| 引用本文： | 岳钦艳,叶传耀,姚克俊,玉果庭. HP（DMDAAC／AM）对MMA－膨润土泥浆体系的稀释作用[J]. 油田化学, 1995, 0(1) |
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| 作者姓名： | 岳钦艳 叶传耀 姚克俊 玉果庭 |
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| 作者单位： | 山东大学胶体与界面化学研究所 |
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| 摘 要： | 研究了二甲基二烯丙基氯化铵－丙烯酰胺共聚物的水解产物ＨＰ（ＤＭＤＡＡＣ／ＡＭ）对混合金属层状氢氧化物ＭＭＨ－膨润土泥浆体系的稀释作用。通过电性、流变性、滤失性、抑制性及粒度分布的研究，发现ＨＰ（ＤＭＤＡＡＣ／ＡＭ）对ＭＭＡ－膨润土泥浆有较强的稀释能力和一定的降失水作用；含ＨＰ（ＤＭＤＡＡＣ／ＡＭ）的ＭＭＡ－膨润土泥浆对粘土膨胀有很好的抑制性。ＨＰ（ＤＭＤＡＡＣ／ＡＭ）分子在粘土颗粒表面产生多点静电强吸附，破坏了ＭＭＨ与粘土颗粒形成的网状结构．释放出自由水，从而达到稀释效果。
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| 关 键 词： | 二甲基二烯丙基氯化铵－丙烯酰胺共聚物水解产物，降粘剂，钻井液添加剂，混合金属，层状氢氧化物－膨润土泥浆，稀释机理 |
THE THINNING EFFECT OF HP(DMDAAC-AM) ON MMH-BENTONITE MUD |
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| Yue Qin-Yan, Ye Chuan Yao,Yao Ke-Jun,Wang Guo-Ting. THE THINNING EFFECT OF HP(DMDAAC-AM) ON MMH-BENTONITE MUD[J]. Oilfield Chemistry, 1995, 0(1) |
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| Authors: | Yue Qin-Yan Ye Chuan Yao Yao Ke-Jun Wang Guo-Ting |
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| Abstract: | The thinning effect of hydrolyzed DMDAAC-AM copolymer.HP(DMDAAC-AM),on MMH-bentonite mud has been experimentally studied through measurements of rheological characteristics and fluid loss of the mud, zeta-potential on bentonite particle, size distribution and bentonite expansion in the filtrate. It is shown that both the thinning and inhibitory capacities of HP(DMDMC-AM) for the mud are good. The strong thinning effect is believed to be related to the synergetic cationic, anionic and nonionic functional groups in HP (DMDAAC-AM) molecules. The thinning mechanizms are discussed. |
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| Keywords: | Hydrolyzed DMDAA/AM Copolymer Viscosity Reducer Additive for Drilling Fluids MMH-Bentonite Mud Thinning Mechanizms |
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