泵压双管水力反循环钻具中分流器的结构

来源期刊：中南大学学报(自然科学版)1995年第4期

论文作者：曾南中

文章页码：439 - 442

关键词：分流露; 反循环; 双管钻具

Key words：fluid divider; reverse-circulation; dual tube drill pipe

摘    要：根据泵压双管水力反循环连续取心钻进及其输送岩样的要求,论述了设计分流器的必要性,探讨了分流器应具备的水力特性、影响分流器结构的因素,最后确定简单可行的分流罩结构。

Abstract: According to the requirements of the hydraulic reverse circulation“CON-COR”drillingand the conveyance of rock samples in it,the necessity of designing the fluid divider is ex-pounded,the hydraulic features of the fluid divider are discussed,and the elements of influ-encing its construction are analysed.The construction of the fluid divider determined in thispaper is effective and simple.