| 钻井液降黏剂MAA的合成与性能评价 |
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| 引用本文： | 高峰.钻井液降黏剂MAA的合成与性能评价[J].中国石油大学学报(自然科学版),2011(6):169-173. |
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| 作者姓名： | 高峰 |
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| 作者单位： | 中国石油大学石油工程学院 |
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| 基金项目： | 国家“863”课题(2007AO6Z201) |
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| 摘 要： | 以马来酸酐(MA)和丙烯酸(AA)为原料,采用活泼单体滴加方式,通过水溶液自由基共聚合反应制备二元共聚物(MAA),评价MAA对钻井液黏度的影响.结果表明:MAA的最佳合成条件是引发剂用量0.6、丙烯酸与马来酸酐单体摩尔比1.5∶1、滴加时间90 min、聚合温度80℃,聚合时间120 min; MAA可以显著降低钻井...
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| 关 键 词： | 钻井液 降黏剂 马来酸酐-丙烯酸 性能评价 |
Synthesis and properties evaluation of MAA copolymer as drilling fluids viscosity-reducer |
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| GAO Feng.Synthesis and properties evaluation of MAA copolymer as drilling fluids viscosity-reducer[J].Journal of China University of Petroleum,2011(6):169-173. |
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| Authors: | GAO Feng |
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| Affiliation: | GAO Feng (College of Petroleum Engineering in China University of Petroleum,Beijing 102249,China) |
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| Abstract: | Maleic anhydride-acrylic acid copolymer(MAA) was synthesized with maleic anhydride(MA) and acrylic acid(AA) by the free radical water solution polymerization in which AA was supplemented in batches.The effect of MAA on the viscosity of drilling fluid was evaluated.The following are the best synthesized conditions of the viscosity reducer:the initiator amount is 0.6,the acrylic acid and maleic anhydride monomer molar ratio is 1.5∶1,dropping time is 90 min,the polymerization temperature is 80 ℃,and polymerization time is 120 min.MAA could reduce viscosity and shearing force of drilling fluids.When the addition of viscosity-reducer is 0.6%,the thinning rate at high temperature will be up to 94.8% for fresh water clay mud.It has very good resistant performance to temperature,salt and calcium.It can resist temperature of 180 ℃,be used in saturation salt solution and is stable in 2% calcareous base mud. |
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| Keywords: | drilling fluids viscosity-reducer maleic anhydride-acrylic acid copolymer performance evaluation |
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