USD 70.1345

-0.73

EUR 81.7418

-0.76

BRENT 85.15

+0.08

AI-92 46.73

+0.01

AI-95 50.93

+0.04

AI-98 58.75

+0.01

Diesel 51.01

+0.01

drilling rigs and their units

D R

A large load-bearing structure, usually of bolted construction.

A drill string on a drilling rig is a column, or string, of drill pipe that transmits drilling fluid (via the mud pumps) and torque (via the kelly drive or top drive) to the drill bit.