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由长春地质学院和无锡钻探工具厂共同研制的SC—150型射流式液动冲击器,是一种用射流元件控制以实现回转钻进的新型钻具。这种冲击器以钻井冲洗液作工作介质,通过一个双稳射流元件,使钻具的冲塞冲锤产生冲击,传至岩心管和钻头,将纯回转钻进转变为冲击回转钻进,钻进效率比普通硬质合金钻头钻进提高100～200％,比普通回转钻进提高30％。降低钻井成本40～50％。
The SC-150 jet fluid impactor, jointly developed by Changchun Geological Institute and Wuxi Drilling Tools Factory, is a new type of drilling tool that is controlled by jet elements for rotary drilling. The impactor uses the drilling fluid as a working medium, passes through a bistable jet flow element, impinges the impact plunging hammer of the drilling tool, transfers it to the core tube and the drill bit, converts the pure rotary drilling into an impact rotary drilling, a drill Into efficiency than ordinary carbide bit drilling increased by 100 ~ 200%, 30% higher than ordinary rotary drilling. Reduce drilling costs 40 ~ 50%.