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现代化工  2023, Vol. 43 Issue (1): 226-233    DOI: 10.16606/j.cnki.issn0253-4320.2023.01.040
  科研与开发 本期目录 | 过刊浏览 | 高级检索 |
新型抗温耐盐聚合物降失水剂的制备及性能研究
刘欢1, 曾雪玲1, 李文研2, 王福国2, 张海宁2
1. 嘉华特种水泥股份有限公司特种水泥研究院, 四川 乐山 614000;
2. 中石油青海油田勘探开发研究院, 青海 海西 816499
Preparation and properties of a novel temperature- and salt-resistant polymer fluid loss reducer
LIU Huan1, ZENG Xue-ling1, LI Wen-yan2, WANG Fu-guo2, ZHANG Hai-ning2
1. Special Cement Research Institute, Jiahua Special Cement Co., Ltd., Leshan 614000, China;
2. Institute of Exploration and Development, PetroChina Qinghai Oilfield Company, Haixi 816499, China
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摘要 针对目前降失水剂耐温抗盐能力不足、综合性能差等问题,以改性nano-SiO2、AMPS、AM、MA和SSS为原料,通过自由基水溶液共聚法制备了一种新型水溶性聚合物基纳米SiO2复合物P(AAMS)/nano-SiO2来提高固井水泥浆高温高盐环境下的控失水能力,从而提高固井质量,保障油气资源的高效安全开采。利用红外、核磁等手段表征了P(AAMS)/nano-SiO2的结构,并对P(AAMS)/nano-SiO2水泥浆体系的控失水、耐温、抗盐及其他基本施工性能进行评价。结果表明,P(AAMS)/nano-SiO2可明显提高水泥浆在高温高盐环境下的控失水能力,当P(AAMS)/nano-SiO2掺量为0.9%时,其水泥浆在120℃下的失水量为44 mL;在含10%~30%NaCl盐水的水泥浆中,P(AAMS)/nano-SiO2掺量为1.2%时,水泥浆的失水量仍小于50 mL,能满足固井施工要求,对水泥石的力学性能、稠化性能等其他基本工程性能无不利影响。
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刘欢
曾雪玲
李文研
王福国
张海宁
关键词:  降失水剂  抗高温  抗盐  控失水    
Abstract: Current fluid loss reducer has the problems such as insufficient temperature resistance,insufficient salt resistance and poor comprehensive performance.A novel water-soluble polymer-based nano-SiO2 composite,P(AAMS)/nano-SiO2,is prepared through free radical aqueous solution copolymerization method with modified nano-SiO2,AMPS,AM,MA and SSS as raw materials,aiming to improve the water loss control ability of cementing slurry under high temperature and high salt environment,therefore improving the cementing quality and ensuring the efficient and safe exploitation of oil and gas resources.Firstly,the structure of P(AAMS)/nano-SiO2 is characterized by means of IR and NMR.Secondly,the water loss control,temperature resistance,salt resistance and other basic construction performance of P(AAMS)/nano-SiO2 cement slurry system are evaluated.The results show that P(AAMS)/nano-SiO2 can significantly improve the water loss control ability of cement slurry in high temperature and high salt environment.The water loss of cement slurry is 44 mL at 120℃ when the content of P(AAMS)/nano-SiO2 is 0.9%.The water loss of cement slurry that contains 10%-30% NaCl is still less than 50 mL when the content of nano-SiO2 is 1.2 wt%,which can meet the requirements of cementing operation.It is indicated that 1.2% P(AAMS)/nano-SiO2 cement slurry has no adverse effect on mechanical properties,thickening properties and other basic engineering properties of cement paste.
Key words:  fluid loss reducer    high-temperature resistance    salt resistance    water loss control
收稿日期:  2022-01-14      修回日期:  2022-11-07           出版日期:  2023-01-20
ZTFLH:  TQ314.2  
通讯作者:  曾雪玲(1979-),女,硕士,高级工程师,研究方向为油田固井材料,通讯联系人,2546158007@qq.com。    E-mail:  2546158007@qq.com
作者简介:  刘欢(1994-),男,硕士,工程师,研究方向为油田固井材料,1442162749@qq.com。
引用本文:    
刘欢, 曾雪玲, 李文研, 王福国, 张海宁. 新型抗温耐盐聚合物降失水剂的制备及性能研究[J]. 现代化工, 2023, 43(1): 226-233.
LIU Huan, ZENG Xue-ling, LI Wen-yan, WANG Fu-guo, ZHANG Hai-ning. Preparation and properties of a novel temperature- and salt-resistant polymer fluid loss reducer. Modern Chemical Industry, 2023, 43(1): 226-233.
链接本文:  
https://www.xdhg.com.cn/CN/10.16606/j.cnki.issn0253-4320.2023.01.040  或          https://www.xdhg.com.cn/CN/Y2023/V43/I1/226
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