发明申请
- 专利标题： Traction control for downhole tractor
- 专利标题（中）： 井下拖拉机牵引力控制
-
申请号： US10751599申请日： 2004-01-05
-
公开(公告)号： US20050145415A1公开(公告)日： 2005-07-07
- 发明人: Falk Doering , Todor Sheiretov , Robin Ewan , Benoit Foubert
- 申请人： Falk Doering , Todor Sheiretov , Robin Ewan , Benoit Foubert
- 主分类号： E21B4/18
- IPC分类号： E21B4/18 ; E21B23/00 ; E21B23/14 ; E21C25/00
摘要：
Apparatus, system and methods useful for controlling the traction of a downhole tractor in a borehole include the capability of repeatedly adjusting the normal force applied to at least one component that causes movement of the tractor in the borehole.
公开/授权文献
- US07143843B2 Traction control for downhole tractor 公开/授权日：2006-12-05
信息查询
