| 改性木质素磺酸钠堵水剂的试验研究 |
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| 引用本文： | 马宝岐,赵春声.改性木质素磺酸钠堵水剂的试验研究[J].西安石油大学学报(自然科学版),1990(3). |
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| 作者姓名： | 马宝岐 赵春声 |
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| 作者单位： | 西安石油学院应用化学系，西安石油学院应用化学系 |
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| 摘 要： | 本研究表明,木质素磺酸钠与苯酚、甲醛反应后。可在适当条件下与聚丙烯酰胺(PAM)交联,形成一种新型的用于碱性地层的凝胶堵水剂。该堵水剂的适宜配方为:改性木质素磺酸钠浓度为4.0%～4.5%,PAM浓度为0.4%～0.5%,pH值为9～12.在70～90℃条件下.胶凝时间为9～60小时。岩心实验表明,该堵剂具有强度高,抗盐性和热稳定性好,易解堵等显著特点。
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| 关 键 词： | 木质素磺酸钠 凝胶 胶凝时间 堵水剂 |
An Experimental Study on Modified Sodium Lignosulfonate Used for Subterranean Plugging Agent |
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| Mao Baoqi,Zhao Chunsheng.An Experimental Study on Modified Sodium Lignosulfonate Used for Subterranean Plugging Agent[J].Journal of Xian Shiyou University,1990(3). |
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| Authors: | Mao Baoqi Zhao Chunsheng |
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| Affiliation: | Department of Applied Chemistry |
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| Abstract: | Having reacted with phenol and formaldehyde, Sodium Lignosulfonate can crosslink with polyacrylamide(PAM) under proper condition, and form a gel which is suitable for subterranean plugging. The proper gel-forming composition is: modified sodium lignosulfonate 4～4.5 per cent (wt), PAM 0.4～0.5 per cent (wt). pH 9～12. The gelatinization time ranges between 9 to 60 hours at temperature 70～90℃. Rock core experiments indicate that the plugging agent has some outstanding characteristics, such as, high intensity, good salt resistance and heat steadiness and easiness of being plugging solved. |
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| Keywords: | sodium lignosulfonate gel gelatinization time water plugging agent |
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