几种滑溜水缔合型降阻剂的制备及性能
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1.重庆科技学院化学化工学院;2.中国石油集团渤海钻探工程有限公司油气合作开发分公司

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TE39

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国家级大学生创新创业训练计划项目“页岩气压裂用耐盐抗剪切缔合型降阻剂的制备及性能研究”(202111551010);国家自然科学基金青年“基于MD制备双功能结构的缔合型聚合物及其在页岩压裂中的减阻与携砂行为研究”(51604052);国家自然科学基金面上项目“基于‘滑轮’效应设计构筑聚合物微球及其在孔隙中的受力形变行为研究”(51774062)


Preparation and Properties of Several Slick-water Associated Drag Reducers
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College of Chemistry and chemical Engineering,Chongqing University of Science technology

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    摘要:

    合成出四种疏水改性单体:N,N-二甲基烯丙基苯基丙烷基溴化铵(Allyldimethylalkyl quaternary ammonium salt 1, AQAS1)、N,N-二甲基烯丙基壬烷基溴化铵(AQAS2)、N-N二甲基烯丙基-9-甲基十九烷基溴化铵(AQAS3)和N,N-二甲基烯丙基二十烷基溴化铵(AQAS4),采用水溶液聚合法分别与丙烯酰胺(AM)共聚制备出P(AM/AQAS1)、P(AM/AQAS2)、P(AM/AQAS3)、P(AM/AQAS4)四种二元共聚物。研究了四种共聚物的溶解性能以及耐盐、耐温耐剪切性能,结果表明,P(AM/AQAS1)溶解性能最佳,且四种共聚物均表现出良好的耐盐、耐温耐剪切性能。同时通过室内管道摩阻仪分别测定了不同浓度P(AM/AQAS1)与部分水解聚丙烯酰胺P(AM/NaAA)在10000mg/L的NaCl溶液中的降阻能力,结果表明P(AM/AQAS1)降阻性能优于P(AM/NaAA),0.15%的P(AM/AQAS1)溶液在45L.min-1流量下降阻率达60%。

    Abstract:

    Four kinds of allyldimethylalkyl quaternary ammonium salt monomers were synthesized, which with hydrophobic structure, marked as AQAS1, AQAS2, AQAS3 and AQAS4. Then, respectively, four kinds of hydrophobic associated polyacrylamide were synthesized by using four kinds of modified monomers with acrylamide (AM), use water as a solvent. The solubility, salt resistance, temperature resistance and shear resistance of four products were studied. For P(AM/AQAS1), the best solubility performance. And all of copolymers show good salt resistance, temperature resistance and shear resistance. Finally compare with P(AM/AQAS1) and P(AM/NaAA) drag reducing ability in 10000mg/L brine water (NaCl), the result shows that P(AM/AQAS1) drag reduction rate can reach 60% at mass percentage of 0.15%.

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  • 收稿日期:2022-01-13
  • 最后修改日期:2022-04-04
  • 录用日期:2022-04-28
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