2018
|
Invention
|
Underreamer. The present disclosure relates to an underreamer. In one aspect, the underreamer com... |
2009
|
Invention
|
Drilling equipment and attachment means for the same. This invention relates to a ground drilling... |
2006
|
Invention
|
Roller reamer. b) at either end for attachment to a drill string, at least one roller reamer (16)... |
|
Invention
|
Roller reamer. This invention describes a reaming tool (10) for attachment to a drill string havi... |
2004
|
Invention
|
Attachment means for drilling equipment. The invention is an attachment means for a ground drilli... |
2003
|
Invention
|
Combined reamer and drill bit stabiliser. The invention is a combined reamer and stabiliser for a... |
2001
|
Invention
|
A drilling tool used in horizontal drilling applications. A drilling tool for enlarging previousl... |