| 木质素磺酸盐/有机硅氟共聚物复合降黏剂研究 |
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| 引用本文： | 龙柱,陈蕴智,崔春仙,徐立新,张洪赞.木质素磺酸盐/有机硅氟共聚物复合降黏剂研究[J].石油钻采工艺,2005,27(4):26-27,32. |
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| 作者姓名： | 龙柱 陈蕴智 崔春仙 徐立新 张洪赞 |
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| 作者单位： | 1.天津科技大学, 天津 300222 |
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| 基金项目： | 天津市高等学校科技发展基金资助项目（021010）. |
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| 摘 要： | 为了适应环保和复杂地质钻探要求,采用木质素磺酸盐、2-丙烯酰胺基-2-甲基丙磺酸(AMPS)、丙烯酸(AA)和二甲基二烯丙基氯化铵(DMDAAC)接枝共聚,合成AMPS/AA/DMDAAC-木质素磺酸盐接枝共聚物,再将该接枝共聚物与有机硅氟共聚物复配成无毒、无污染、高效的钻井液复合降黏剂,对其在钻井液中的降黏性能进行了室内评价。结果表明,复合降黏剂可使淡水钻井液的表观黏度和动切力明显降低,可获得较好的降黏效果;复合降黏剂在盐水钻井液、聚合物钻井液和含钙钻井液中也具有较好的降黏作用;复合降黏剂在不同钻井液中老化后钻井液的表观黏度、动切力均未有明显的增加。研究结果表明,该复合降黏剂是一种热稳定性好、降黏和抗温抗盐能力强的降黏剂。
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| 关 键 词： | 木质素磺酸盐 接枝共聚物 有机硅氟共聚物 复合降黏剂 钻井液 |
| 文章编号： | 1000-7393（2005）04-0026-02 |
| 收稿时间： | 2005-06-20 |
| 修稿时间： | 2005-06-20 |
STUDY ON COMPOSITE VISCOSITY REDUCER OF LIGNOSULFONATE GRAFT COPOLYMER/ORGANIC SILICON - FLUORINE POLYMER |
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| LONG Zhu,Chen Yunzhi,Cui Chunxian,Xu Lixin,Zhang Hongzan.STUDY ON COMPOSITE VISCOSITY REDUCER OF LIGNOSULFONATE GRAFT COPOLYMER/ORGANIC SILICON - FLUORINE POLYMER[J].Oil Drilling & Production Technology,2005,27(4):26-27,32. |
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| Authors: | LONG Zhu Chen Yunzhi Cui Chunxian Xu Lixin Zhang Hongzan |
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| Affiliation: | 1.Tianjin University of Science &2.Technology, Tianjin 300222 |
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| Abstract: | The AMPS/AA/DMDAAC-lignosulfonates graft copol ym er as viscosity reducer for drilling fluids was synthesized by calcium lignosulf onates, acry acid, 2-acrylamide-2-methylpropanesulfonic acid and diallyl dimethy l ammonium chloride, then the composite viscosity reducer was prepared by above graft copolymer with organic silicon-fluorine polymer. The mud properties of the AMPS/AA/DMDAAC-lignosulfonates graft copolymer was evaluated in laboratory. The experimental results showed that the composite viscosity reducer has well heat resistance, salt tolerance and inhibiting action when it is used as viscosity re ducer for drilling fluids. |
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| Keywords: | lignosulfonate graft copolymer organic silico n-fluorine polymer composite viscosity reducer |
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