| 聚乙烯醇作为油井水泥降失水剂的研究 |
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| 引用本文： | 陆屹,郭小阳,黄志宇,胡星琪,刘勇.聚乙烯醇作为油井水泥降失水剂的研究[J].天然气工业,2005,25(10):61-63. |
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| 作者姓名： | 陆屹 郭小阳 黄志宇 胡星琪 刘勇 |
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| 作者单位： | “油气藏地质及开发工程”国家重点实验室·西南石油学院 |
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| 基金项目： | 本文系CNPC“九五”重点科技攻关课题：井壁稳定研究,部编号970406. |
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| 摘 要： | 聚乙烯醇（PVA）是一种水溶性聚合物，分子中有大量的羟基存在。因此，可以把它作为油井水泥降失水剂的原料。文章研究了在不同的聚合度和醇解度的PVA作为油井水泥降失水剂的滤失性能，研究发现PVA17-88是以PVA作为油井水泥降失水剂的最好原料。并对PVA17-88作为油井水泥降失水剂与分散剂和消泡剂的配伍性、耐温、抗盐以及水泥浆的综合性能进行了系统的研究。
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| 关 键 词： | 钻井 固井 聚乙烯醇 降失水剂 聚合度 醇解度 耐温 抗盐 |
| 收稿时间： | 2005-03-13 |
| 修稿时间： | 2005年3月13日 |
Research of Polyvinyl Alcohol as Fluid Loss Additive of Oil Well Cement |
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| Lu Yi,Guo Xiaoyang,Huang Zhiyu,Hu Xingqi,Liu Yong.Research of Polyvinyl Alcohol as Fluid Loss Additive of Oil Well Cement[J].Natural Gas Industry,2005,25(10):61-63. |
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| Authors: | Lu Yi Guo Xiaoyang Huang Zhiyu Hu Xingqi Liu Yong |
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| Affiliation: | State Key Lab. of Oil&Gas Reservoir Geology and Exploitation, Southwest Petroleum Institute |
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| Abstract: | Polyvinyl alcohol (PVA) is a water soluble polymer. There are lots of hydroxide radicals in its molecules. So it can be the raw material of fluid loss additive for oil well cement. Taking PVA as fluid loss additive of oil well cement, the filtration property is investigated under different degree of polymerization and alcoholysis. It is found PVA17-88 is the best raw material of fluid loss additive for oil well cement. Also, the systematic investigation is conducted for the performance of the compatibility of PVA17-88 as fluid loss additive for oil well cement with dispersant and antifoamer, the temperature tolerance and the salt resistance, and for the comprehensive performance of the cement slurry. (Financed by CNPC “Ninth 5 Years Plan” Key Technical Projects, Industrial No. 970406) |
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| Keywords: | Well drilling Well cementing Polyvinyl alcohol Fluid loss additive Degree of polymerization Degree of alcoholysis Temperature tolerance Salt resistance |
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