A drill may have a cutting tip and a holder located on a rear end portion side of the cutting tip. A cover is movably associated with the proximal end of the cylindrical body and movable between a closed position covering the proximal end and an open position opening the proximal end. An injector unit is provided for deploying the tubing along a tubing deployment axis and into a borehole, the deployment axis being generally orthogonal to and intersecting the drum rotation axis. Other embodiments may be described and claimed.