公开(公告)号：US20170002648A1

公开(公告)日：2017-01-05

申请号：US15113446

申请日：2015-01-23

申请人： Kyushu University, National University Corporation ,  YBM Co., Ltd.

发明人： Hideki MIZUNAGA ,  Toshiaki TANAKA

IPC分类号： E21B47/09 ,  G01P15/18 ,  G01V3/26 ,  E21B7/04 ,  E21B47/024

CPC分类号： E21B47/0905 ,  E21B7/046 ,  E21B47/024 ,  G01C21/12 ,  G01P15/18 ,  G01V3/26

摘要： The rotation angle around x axis, inclination angle and directional angle of a boring bit are obtained from the value measured with an accelerometer (22) and a three axis magnetic sensor integrally provided within the boring bit attached to the top of a rod array for boring. From these obtained values and the length corresponding to a rod, the amount of varied position according to boring by a length corresponding to a rod is obtained for each directional component. Further, the position of boring corresponding to boring in plural times with successive addition of rods is obtained through accumulating the amount of varied position for each directional component in respect of boring in plural times.

摘要翻译： 通过加速度计（22）测得的x轴旋转角度，倾斜角度和钻孔方位角可以得到，该加速度计（22）和三轴磁性传感器一体设置在连接到杆阵列顶部的钻头中，用于钻孔 。 从这些获得的值和对应于杆的长度，针对每个方向分量获得根据镗孔变化的位置量与杆对应的长度。 此外，通过多次累积相对于镗孔的每个方向分量的变化位置的量，获得了连续添加棒多次对应于镗孔的钻孔位置。