论述了将绳索取心、螺杆钻、不提钻换钻头三项技术结合在一起的新型取心钻进系统。介绍了系统的结构、工作原理及其技术性能参数和操作要点。 Discussed a new type of coring drilling system which combined the three technologies of rope coring, screw rod drilling and drilling without changing bit. Introduced the system structure, working principle and its technical performance parameters and operating points.