Down-the-hole drill for sand layer

Consider using an auger drill for sandy soils as it can efficiently remove loose material without causing instability. If deeper drilling is required, a rotary drill with stabilizers may be more appropriate for maintaining hole integrity. 2. Opt for Lightweight Equipment [pdf]

Workover rig drawworks connect drill line

The drawworks reels in and reels out the drilling line. The drilling line is connected to the traveling block and hook which connect to the drill string. The drill string runs over the crown block and setup like a block and tackle pulley system. [pdf]

Drilling rig drill line

In a drilling rig, the drill line is a multi-thread, twisted wire rope that is threaded or reeved through in typically 6 to 12 parts between the traveling block and crown block to facilitate the lowering and lifting of the drill string into and out of the wellbore. [pdf]