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关于康杰克的碳素甲基化修饰及其对钻井液和破裂液的影响的研究

Yongfei Li^1,2, Pengli Guo¹, Kun Qu¹

¹Shanxi Province Key Laboratory of Environmental Pollution Control and Reservoir Protection Technology of Oilfields, Xi'an Shiyou University, Xi'an 710065, China.

Gels (Basel, Switzerland)

|October 28, 2025

概括

碳氧甲基化康杰克葡萄甘 (CMKG) 通过改善钻井流体质和破裂流体粘度来增强油田运营. 这种可生物降解的添加剂提供了卓越的稳定性和受控的降解,使其成为一个环保的替代品.

科学领域:

石油工程是石油工程中的一个.
聚合物化学聚合物化学
材料科学材料科学材料科学

背景情况:

开发新型,环保的油田添加剂至关重要.
像康杰克葡萄甘 (KGM) 这样的天然聚合物具有生物降解性和低成本,但水溶性和热稳定性较差.
由于KGM的局限性,其在钻井和破裂流体中的应用受到限制.

研究的目的:

为了化学修改Konjak葡萄甘 (KGM),以改善其用于油田应用的特性.
为了评估改性聚合物的性能,Carboxymethylated Konjac glucomannan (CMKG),作为钻井液添加剂和破裂液加厚剂.

主要方法:

对KGM进行碳甲基修改,以引入碳甲基组.
评价CMKG作为钻井液添加剂,评估质性质和粘土抑制.
评估CMKG作为裂变流体加厚剂,测试粘度,热稳定性,剪切阻力和凝破解性能.

主要成果:

在钻井流体中,CMKG形成了一个稳定的3D凝网络,增强了形学和抑制了粘土膨胀.
与KGM相比,CMKG在裂变流体中表现出更高的粘度,在高温和剪切下保持完整性.
该CMKG系统在300分钟内显示可控降解,满足运行要求.

结论:

碳甲基修饰显著提高了KGM的水溶性,稳定性和性能.
CMKG是一种可行的,环保的添加剂,可提高钻井流体的性能和破裂流体的性能.
修改后的聚合物为油田应用提供了更好的风湿控制,稳定性和可降解性.

关键词:

这是一种康杰克口香糖.这是一种水凝.修改的意思是改变的意思.粘度粘度粘度粘度粘度

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