公开(公告)号：US20150136487A1

公开(公告)日：2015-05-21

申请号：US14254274

申请日：2014-04-16

Applicant: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCE

Inventor： Moo Hee Kang ,  Gee Soo Kong ,  Kyong O. Kim ,  Jin Ho Kim ,  Young Ho Yoon ,  Chang Sik Lee ,  Kyu Jung Kim

IPC: E21B49/00 ,  E21B4/00 ,  E21B7/12

CPC classification number: E21B25/18 ,  E21B25/005

Abstract: The present invention relates to a coring system and a determining method that can determine whether accurate coring was achieved. A coring system according to the present invention includes: a coring part with a core to be filled with an object to be cored; a driving unit controlling upward/downward movement of the coring part; a rope connecting the coring part with the driving unit; and a tensiometer measuring tension in the rope.

Abstract translation: 本发明涉及一种可以确定是否实现精确取芯的取芯系统和确定方法。 根据本发明的取芯系统包括：芯部，其具有要被填充的芯体的芯部; 控制所述取芯部的上下移动的驱动部; 将取芯部与驱动单元连接的绳索; 和张力计测量绳索中的张力。