Sentences with drill string
drill string
D d - The drill string is formed from thirty-foot lengths of steel tubing screwed together to form a pipe that connects the drill bit to the drilling rig.As the drill string is rotated in the well bore, the drill bit cuts into the rock.A drill string is a pipe made from a series of steel tubes, that is attached to the drilling tool and which turns during drilling to make a hole.
- Bottomhole assemblykellysaver sub