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喷射钻井中风琴管空化射流提速规律分析

席宝滨,侯树刚,兰凯,李帮民,高德利

Drilling & Production Technology（2018）

Cited 4|Views19
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Abstract
为准确掌握风琴管空化射流在喷射钻井中的提速规律,通过数值模拟的方法分析了空化射流流场特,探讨了围压对其空化能力及速度脉动能力影响规律,采用真三轴高围压射流破岩规律模拟实验装置开展了空化射流破岩模拟实验,研究了静液注压力对射流破岩效率影响规律,并对比了一定静液注压力下空化射流与常规射流破岩效率.结果表明,在现有机泵条件下,风琴管空化射流可以直接或间接的实现钻井的提速提效.
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