温度和性溶液对激活二甲基碳酸盐的影响,以改善改性基甲基纤维素修饰的风湿性质
Ghulam Abbas1, Abdul Haque Tunio1, Khalil Rehman Memon1
1Institute of Petroleum & Natural Gas Engineering, Mehran University of Engineering & Technology, Jamshoro 76062, Sindh, Pakistan.
ACS omega
|February 5, 2024
概括
这项研究增强了用于使用二甲基碳酸盐 (DEC) 和的石油应用的基甲基纤维素 (HEMC) 质学. 修改后的HEMC显示出更好的热稳定性和粘弹性特性,适用于具有挑战性的钻井条件.
科学领域:
- 聚合物化学 聚合物化学
- 材料科学 材料科学 材料科学
- 石油工程是石油工程中的一个.
背景情况:
- 纤维素乙烯在石油应用中在不同度和温度下维护质性质的局限性.
- 提高这些聚合物的稳定性和性能对于在苛刻的环境中优化流体行为至关重要.
研究的目的:
- 开发一种新的方法来增强基甲基纤维素 (HEMC) 的类风学特性.
- 研究二甲基碳酸盐 (DEC) 作为转剂和溶液对HEMC稳定性和性能的影响.
- 评估用于石油工业应用的修改HEMC解决方案的热稳定性和粘弹性行为.
主要方法:
- 基甲基纤维素 (HEMC) 用二甲基碳酸盐 (DEC) 和溶液 (NaOH) 进行了修改.
- 福里埃变换红外光谱学 (FTIR) 证实了成功的移植.
- 测量泽塔电位测量评估了溶液的稳定性.
- 在不同度 (0.25-1重量%) 和温度 (环境到110°C) 中分析了风湿性质 (剪切粘度,频率扫描).
主要成果:
- FTIR证实了DEC在HEMC上的成功接种.
- 加入NaOH增强了聚合物溶液的稳定性.
- 修改后的HEMC解决方案表现出剪切稀释行为,这是Cross模型很好地描述的.
- 在110°C时,NaOH修饰的HEMC由于DEC激活而表现出比DEC-HEMC更高的粘度.
- 在度≥0.50重量%时观察到粘弹性行为,在更高的温度下增加弹性.
结论:
- 修改后的HEMC解决方案显示可控的粘度,增强的可溶性和更好的热稳定性.
- 开发的复合材料提供了优化的粘弹性特性,在具有挑战性的井口条件下提供有效的流体性能.
- 这种方法为推进石油行业的纤维素应用提供了一个有前途的战略.
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