Drilling Industry Glossary
daily drilling report
density hierarchy
derrick
derrickhand
diamond bit
differential pressure
differential survey
directional drilling
directional drilling software
displacement fluid
doghouse
dogleg
dogleg severity
donkey pump
doughnut
downhole motor
downtime
draw works
drill collars
drill collar sub
drill pipe
drill stem
drill stem test
drill string
drillers
drilling engineering design
drilling fluid
drilling foreman
dry hole
dual completion
dutchman
Draw Works
Installation that contains the reel on which the fast drill line is wound, the transmission which transfers power from the rig power source to the draw works shaft, the dynamic brake assembly, and the cathead, which is a specialized power take out (PTO). This installation is adjacent to the driller’s console.
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