A directional drilling apparatus for mounting a drill bit on a rotatable dri ll support comprises a member for transmitting rotation from the drill support to a drill bit, and a body mounted to the member. The body is configurable to offset a portion of the member relative to an aids of the body such that directional drilling may be achieved.
申请公布号
CA2541666(A1)
申请公布日期
2006.10.05
申请号
CA20062541666
申请日期
2006.04.03
申请人
TECHNOLOGY VENTURES INTERNATIONAL LIMITED
发明人
FRASER, SIMON;HEWSON, JAMES ADAM;MACKAY, ALEXANDER CRAIG
