Directional Drilling Machines
© 2009 Er. Jagvir Goyal Note: This highly informative and elaborate paper was written by the Author many years back and holds valuable information. Readers should update themselves with the latest developments that might have occurred after the presentation of this paper. A few years back, when the directional drilling machines were being promoted by their manufacturers, doubts were expressed by many over their capability and success. These doubts however were soon dispelled. With time, DDMs have gained more and more ground and popularity. A major reason behind that is the increasing awareness for environment friendly and cleaner technologies. As [...]