韩子轩;蒋官澄;李青洋;姚如钢;

• 1:中国石油大学(北京)石油工程教育部重点实验室

• 2:中国石油大学(北京)油气资源与探测国家重点实验室

摘要(Abstract)：

为解决合成基钻井液高温高压滤失量大的问题,以有机硅、腐植酸和二椰油基仲胺等为主要原料,运用活化酯法对腐植酸进行改性,通过合成条件优化,研制一种亲有机质的有机硅腐植酸酰胺降滤失剂FRA-1;利用红外光谱(FT-IR)和热重—差热(TG-DSC)进行化学结构和热稳定性分析,评价在不同油水比合成基钻井液中的性能.结果表明:FRA-1在合成基钻井液体系中有良好的分散性和耐温性,优于常用的油基钻井液降滤失剂,并且对钻井液流变性影响较小,可以替代沥青类和褐煤类产品作为合成基钻井液降滤失剂.

关键词(KeyWords)：降滤失剂;合成基钻井液;耐高温;有机硅;腐植酸酰胺

Abstract:

Keywords:

基金项目(Foundation):国家863项目(2012AA091502);国家863项目(ZX20120293);; 国家自然科学基金创新研究群体项目(51221003)

作者(Author):韩子轩;蒋官澄;李青洋;姚如钢;

Email:

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