公开(公告)号：WO1997035092A1

公开(公告)日：1997-09-25

申请号：PCT/US1997004066

申请日：1997-03-14

Applicant: INGERSOLL-RAND COMPANY

Inventor： INGERSOLL-RAND COMPANY ,  CONNELL, Stuart, A. ,  PATSELL, James, C. ,  LAUB, James, T.

IPC: E21B17/10

CPC classification number: E21B17/1078

Abstract: A removable guide member for guiding drill string components in a drill hole includes an elongated body having a centerline axis with a bore extending along the axis. The body terminates in a head end having a preselected radial dimension with respect to the centerline axis. The guide member is adapted to be threadably connected to adjoining drill string components. The head end radial dimension is preselected to space an outer surface thereof in close proximity to a drill hole sidewall, so that if the drill string begins to deviate out of alignment, the outer surface of the head end will contact the drill hole sidewall to stabilize alignment. The guide member can be inserted into any position along the drill string.

Abstract translation: 用于在钻孔中引导钻柱部件的可移除引导构件包括具有中心线轴线的细长主体，所述中心线轴线具有沿轴线延伸的孔。 身体终止于相对于中心线轴线具有预选的径向尺寸的头端。 引导构件适于与相邻的钻柱组件螺纹连接。 前端径向尺寸被预先选定以使其外表面紧邻钻孔侧壁，使得如果钻柱开始偏离对准，则头端的外表面将接触钻孔侧壁以稳定 对准。 引导构件可以插入沿着钻柱的任何位置。